[INFO] fetching crate ndless 0.8.8...
[INFO] testing ndless-0.8.8 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate ndless 0.8.8 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ndless 0.8.8
[INFO] finished tweaking crates.io crate ndless 0.8.8
[INFO] tweaked toml for crates.io crate ndless 0.8.8 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ndless 0.8.8 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6809df030312f18ba91676189158610e921212275c51ac582fc17e634291f6a3
[INFO] running `Command { std: "docker" "start" "-a" "6809df030312f18ba91676189158610e921212275c51ac582fc17e634291f6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6809df030312f18ba91676189158610e921212275c51ac582fc17e634291f6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6809df030312f18ba91676189158610e921212275c51ac582fc17e634291f6a3", kill_on_drop: false }`
[INFO] [stdout] 6809df030312f18ba91676189158610e921212275c51ac582fc17e634291f6a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 443ba683e83cfb92a33ae65aa24dd0894ec8b85953ca35d4070be83a29ea3978
[INFO] running `Command { std: "docker" "start" "-a" "443ba683e83cfb92a33ae65aa24dd0894ec8b85953ca35d4070be83a29ea3978", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling cty v0.1.5
[INFO] [stderr]    Compiling ndless-static-vars v2.1.0
[INFO] [stderr]    Compiling ndless-sys v0.2.0
[INFO] [stderr]    Compiling ndless-macros v0.4.0
[INFO] [stderr]    Compiling cstr_core v0.1.2
[INFO] [stderr]    Compiling cstr_core v0.2.6
[INFO] [stderr]    Compiling embedded-ffi v0.1.2
[INFO] [stderr]    Compiling ndless v0.8.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileTypeExt`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub use super::fs::{FileTypeExt, MetadataExt, OpenOptionsExt, PermissionsExt};
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsRawFd`, `FromRawFd`, `IntoRawFd`, and `RawFd`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub use super::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
[INFO] [stdout]    |                         ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndless_sys::NU_Open as open`
[INFO] [stdout]  --> src/libc.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use ndless_sys::NU_Open as open;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stat as lstat`
[INFO] [stdout]  --> src/libc.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 |     nuc_closedir as closedir, nuc_opendir as opendir, stat as lstat, NU_Set_Current_Dir as chdir,
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use core::ffi::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^ the name `CStr` in the type namespace is first re-exported here
[INFO] [stdout] 23 |
[INFO] [stdout] 24 |     pub use embedded_ffi::*;
[INFO] [stdout]    |             --------------- but the name `CStr` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub use alloc::{boxed::*, string::*, vec::*};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |             |                            |
[INFO] [stdout]    |             |                            but the name `Drain` in the type namespace is also re-exported here
[INFO] [stdout]    |             the name `Drain` in the type namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/bindings/math.rs:714:2
[INFO] [stdout]     |
[INFO] [stdout] 714 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/bindings/math.rs:898:2
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:683:3
[INFO] [stdout]     |
[INFO] [stdout] 683 |         unsafe { intrinsics::floorf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:687:3
[INFO] [stdout]     |
[INFO] [stdout] 687 |         unsafe { intrinsics::ceilf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:691:3
[INFO] [stdout]     |
[INFO] [stdout] 691 |         unsafe { intrinsics::roundf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:695:3
[INFO] [stdout]     |
[INFO] [stdout] 695 |         unsafe { intrinsics::truncf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:703:3
[INFO] [stdout]     |
[INFO] [stdout] 703 |         unsafe { intrinsics::fabsf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:710:4
[INFO] [stdout]     |
[INFO] [stdout] 710 |             unsafe { intrinsics::copysignf64(1.0, self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:716:3
[INFO] [stdout]     |
[INFO] [stdout] 716 |         unsafe { intrinsics::copysignf64(self, y) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:720:3
[INFO] [stdout]     |
[INFO] [stdout] 720 |         unsafe { intrinsics::fmaf64(self, a, b) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:741:3
[INFO] [stdout]     |
[INFO] [stdout] 741 |         unsafe { intrinsics::powif64(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:745:3
[INFO] [stdout]     |
[INFO] [stdout] 745 |         unsafe { intrinsics::powf64(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:752:4
[INFO] [stdout]     |
[INFO] [stdout] 752 |             unsafe { intrinsics::sqrtf64(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:757:3
[INFO] [stdout]     |
[INFO] [stdout] 757 |         unsafe { intrinsics::expf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:761:3
[INFO] [stdout]     |
[INFO] [stdout] 761 |         unsafe { intrinsics::exp2f64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:765:3
[INFO] [stdout]     |
[INFO] [stdout] 765 |         unsafe { intrinsics::logf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:773:3
[INFO] [stdout]     |
[INFO] [stdout] 773 |         unsafe { intrinsics::log2f64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:777:3
[INFO] [stdout]     |
[INFO] [stdout] 777 |         unsafe { intrinsics::log10f64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:793:3
[INFO] [stdout]     |
[INFO] [stdout] 793 |         unsafe { intrinsics::sinf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:797:3
[INFO] [stdout]     |
[INFO] [stdout] 797 |         unsafe { intrinsics::cosf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:867:3
[INFO] [stdout]     |
[INFO] [stdout] 867 |         unsafe { intrinsics::floorf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:871:3
[INFO] [stdout]     |
[INFO] [stdout] 871 |         unsafe { intrinsics::ceilf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:875:3
[INFO] [stdout]     |
[INFO] [stdout] 875 |         unsafe { intrinsics::roundf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:879:3
[INFO] [stdout]     |
[INFO] [stdout] 879 |         unsafe { intrinsics::truncf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:887:3
[INFO] [stdout]     |
[INFO] [stdout] 887 |         unsafe { intrinsics::fabsf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:894:4
[INFO] [stdout]     |
[INFO] [stdout] 894 |             unsafe { intrinsics::copysignf32(1.0, self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:900:3
[INFO] [stdout]     |
[INFO] [stdout] 900 |         unsafe { intrinsics::copysignf32(self, y) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:904:3
[INFO] [stdout]     |
[INFO] [stdout] 904 |         unsafe { intrinsics::fmaf32(self, a, b) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:925:3
[INFO] [stdout]     |
[INFO] [stdout] 925 |         unsafe { intrinsics::powif32(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:929:3
[INFO] [stdout]     |
[INFO] [stdout] 929 |         unsafe { intrinsics::powf32(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:936:4
[INFO] [stdout]     |
[INFO] [stdout] 936 |             unsafe { intrinsics::sqrtf32(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:941:3
[INFO] [stdout]     |
[INFO] [stdout] 941 |         unsafe { intrinsics::expf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:945:3
[INFO] [stdout]     |
[INFO] [stdout] 945 |         unsafe { intrinsics::exp2f32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:949:3
[INFO] [stdout]     |
[INFO] [stdout] 949 |         unsafe { intrinsics::logf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:957:3
[INFO] [stdout]     |
[INFO] [stdout] 957 |         unsafe { intrinsics::log2f32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:961:3
[INFO] [stdout]     |
[INFO] [stdout] 961 |         unsafe { intrinsics::log10f32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:977:3
[INFO] [stdout]     |
[INFO] [stdout] 977 |         unsafe { intrinsics::sinf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:981:3
[INFO] [stdout]     |
[INFO] [stdout] 981 |         unsafe { intrinsics::cosf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set_mode` and `from_mode` are never used
[INFO] [stdout]   --> src/file_io/sys/ext/fs.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait PermissionsExt {
[INFO] [stdout]    |           -------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_mode(&mut self, mode: u32);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn from_mode(mode: u32) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub trait OpenOptionsExt {
[INFO] [stdout]     |           -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn custom_flags(&mut self, flags: i32) -> &mut Self;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:155:11
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub trait MetadataExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FileTypeExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:458:11
[INFO] [stdout]     |
[INFO] [stdout] 458 | pub trait FileTypeExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DirBuilderExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:552:11
[INFO] [stdout]     |
[INFO] [stdout] 552 | pub trait DirBuilderExt {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type RawFd = libc::c_int;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait AsRawFd {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait FromRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub trait IntoRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `custom_flags` is never read
[INFO] [stdout]   --> src/file_io/sys/fs.rs:65:2
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct OpenOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 65 |     custom_flags: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl OpenOptions {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn custom_flags(&mut self, flags: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fd` and `into_fd` are never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 293 | impl File {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 377 |     pub fn fd(&self) -> &FileDesc {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     pub fn into_fd(self) -> FileDesc {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_mode` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 386 | impl DirBuilder {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 397 |     pub fn set_mode(&mut self, mode: u32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]   --> src/file_io/sys/platform.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub trait MetadataExt {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoInner` is never used
[INFO] [stdout]   --> src/file_io/sys_common.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait IntoInner<Inner> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFIFO` is never used
[INFO] [stdout]   --> src/libc.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const S_IFIFO: mode_t = 4096;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFCHR` is never used
[INFO] [stdout]   --> src/libc.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const S_IFCHR: mode_t = 8192;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFBLK` is never used
[INFO] [stdout]   --> src/libc.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const S_IFBLK: mode_t = 24576;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFSOCK` is never used
[INFO] [stdout]   --> src/libc.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const S_IFSOCK: mode_t = 49152;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "443ba683e83cfb92a33ae65aa24dd0894ec8b85953ca35d4070be83a29ea3978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443ba683e83cfb92a33ae65aa24dd0894ec8b85953ca35d4070be83a29ea3978", kill_on_drop: false }`
[INFO] [stdout] 443ba683e83cfb92a33ae65aa24dd0894ec8b85953ca35d4070be83a29ea3978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 650cf9a6aa37206a1971cc761919eaf6c7c98c0f327f5efa9b06124f700b5a78
[INFO] running `Command { std: "docker" "start" "-a" "650cf9a6aa37206a1971cc761919eaf6c7c98c0f327f5efa9b06124f700b5a78", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileTypeExt`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub use super::fs::{FileTypeExt, MetadataExt, OpenOptionsExt, PermissionsExt};
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsRawFd`, `FromRawFd`, `IntoRawFd`, and `RawFd`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub use super::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
[INFO] [stdout]    |                         ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndless_sys::NU_Open as open`
[INFO] [stdout]  --> src/libc.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use ndless_sys::NU_Open as open;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stat as lstat`
[INFO] [stdout]  --> src/libc.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 |     nuc_closedir as closedir, nuc_opendir as opendir, stat as lstat, NU_Set_Current_Dir as chdir,
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use core::ffi::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^ the name `CStr` in the type namespace is first re-exported here
[INFO] [stdout] 23 |
[INFO] [stdout] 24 |     pub use embedded_ffi::*;
[INFO] [stdout]    |             --------------- but the name `CStr` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub use alloc::{boxed::*, string::*, vec::*};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |             |                            |
[INFO] [stdout]    |             |                            but the name `Drain` in the type namespace is also re-exported here
[INFO] [stdout]    |             the name `Drain` in the type namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/bindings/math.rs:714:2
[INFO] [stdout]     |
[INFO] [stdout] 714 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/bindings/math.rs:898:2
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:683:3
[INFO] [stdout]     |
[INFO] [stdout] 683 |         unsafe { intrinsics::floorf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:687:3
[INFO] [stdout]     |
[INFO] [stdout] 687 |         unsafe { intrinsics::ceilf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:691:3
[INFO] [stdout]     |
[INFO] [stdout] 691 |         unsafe { intrinsics::roundf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:695:3
[INFO] [stdout]     |
[INFO] [stdout] 695 |         unsafe { intrinsics::truncf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:703:3
[INFO] [stdout]     |
[INFO] [stdout] 703 |         unsafe { intrinsics::fabsf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:710:4
[INFO] [stdout]     |
[INFO] [stdout] 710 |             unsafe { intrinsics::copysignf64(1.0, self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:716:3
[INFO] [stdout]     |
[INFO] [stdout] 716 |         unsafe { intrinsics::copysignf64(self, y) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:720:3
[INFO] [stdout]     |
[INFO] [stdout] 720 |         unsafe { intrinsics::fmaf64(self, a, b) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:741:3
[INFO] [stdout]     |
[INFO] [stdout] 741 |         unsafe { intrinsics::powif64(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:745:3
[INFO] [stdout]     |
[INFO] [stdout] 745 |         unsafe { intrinsics::powf64(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:752:4
[INFO] [stdout]     |
[INFO] [stdout] 752 |             unsafe { intrinsics::sqrtf64(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:757:3
[INFO] [stdout]     |
[INFO] [stdout] 757 |         unsafe { intrinsics::expf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:761:3
[INFO] [stdout]     |
[INFO] [stdout] 761 |         unsafe { intrinsics::exp2f64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:765:3
[INFO] [stdout]     |
[INFO] [stdout] 765 |         unsafe { intrinsics::logf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:773:3
[INFO] [stdout]     |
[INFO] [stdout] 773 |         unsafe { intrinsics::log2f64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:777:3
[INFO] [stdout]     |
[INFO] [stdout] 777 |         unsafe { intrinsics::log10f64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:793:3
[INFO] [stdout]     |
[INFO] [stdout] 793 |         unsafe { intrinsics::sinf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:797:3
[INFO] [stdout]     |
[INFO] [stdout] 797 |         unsafe { intrinsics::cosf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:867:3
[INFO] [stdout]     |
[INFO] [stdout] 867 |         unsafe { intrinsics::floorf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:871:3
[INFO] [stdout]     |
[INFO] [stdout] 871 |         unsafe { intrinsics::ceilf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:875:3
[INFO] [stdout]     |
[INFO] [stdout] 875 |         unsafe { intrinsics::roundf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:879:3
[INFO] [stdout]     |
[INFO] [stdout] 879 |         unsafe { intrinsics::truncf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:887:3
[INFO] [stdout]     |
[INFO] [stdout] 887 |         unsafe { intrinsics::fabsf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:894:4
[INFO] [stdout]     |
[INFO] [stdout] 894 |             unsafe { intrinsics::copysignf32(1.0, self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:900:3
[INFO] [stdout]     |
[INFO] [stdout] 900 |         unsafe { intrinsics::copysignf32(self, y) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:904:3
[INFO] [stdout]     |
[INFO] [stdout] 904 |         unsafe { intrinsics::fmaf32(self, a, b) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:925:3
[INFO] [stdout]     |
[INFO] [stdout] 925 |         unsafe { intrinsics::powif32(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:929:3
[INFO] [stdout]     |
[INFO] [stdout] 929 |         unsafe { intrinsics::powf32(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:936:4
[INFO] [stdout]     |
[INFO] [stdout] 936 |             unsafe { intrinsics::sqrtf32(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:941:3
[INFO] [stdout]     |
[INFO] [stdout] 941 |         unsafe { intrinsics::expf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:945:3
[INFO] [stdout]     |
[INFO] [stdout] 945 |         unsafe { intrinsics::exp2f32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:949:3
[INFO] [stdout]     |
[INFO] [stdout] 949 |         unsafe { intrinsics::logf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:957:3
[INFO] [stdout]     |
[INFO] [stdout] 957 |         unsafe { intrinsics::log2f32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:961:3
[INFO] [stdout]     |
[INFO] [stdout] 961 |         unsafe { intrinsics::log10f32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:977:3
[INFO] [stdout]     |
[INFO] [stdout] 977 |         unsafe { intrinsics::sinf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:981:3
[INFO] [stdout]     |
[INFO] [stdout] 981 |         unsafe { intrinsics::cosf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set_mode` and `from_mode` are never used
[INFO] [stdout]   --> src/file_io/sys/ext/fs.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait PermissionsExt {
[INFO] [stdout]    |           -------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_mode(&mut self, mode: u32);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn from_mode(mode: u32) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub trait OpenOptionsExt {
[INFO] [stdout]     |           -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn custom_flags(&mut self, flags: i32) -> &mut Self;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:155:11
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub trait MetadataExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FileTypeExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:458:11
[INFO] [stdout]     |
[INFO] [stdout] 458 | pub trait FileTypeExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DirBuilderExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:552:11
[INFO] [stdout]     |
[INFO] [stdout] 552 | pub trait DirBuilderExt {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type RawFd = libc::c_int;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait AsRawFd {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait FromRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub trait IntoRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `custom_flags` is never read
[INFO] [stdout]   --> src/file_io/sys/fs.rs:65:2
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct OpenOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 65 |     custom_flags: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl OpenOptions {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn custom_flags(&mut self, flags: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fd` and `into_fd` are never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 293 | impl File {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 377 |     pub fn fd(&self) -> &FileDesc {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     pub fn into_fd(self) -> FileDesc {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_mode` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 386 | impl DirBuilder {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 397 |     pub fn set_mode(&mut self, mode: u32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]   --> src/file_io/sys/platform.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub trait MetadataExt {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoInner` is never used
[INFO] [stdout]   --> src/file_io/sys_common.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait IntoInner<Inner> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFIFO` is never used
[INFO] [stdout]   --> src/libc.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const S_IFIFO: mode_t = 4096;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFCHR` is never used
[INFO] [stdout]   --> src/libc.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const S_IFCHR: mode_t = 8192;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFBLK` is never used
[INFO] [stdout]   --> src/libc.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const S_IFBLK: mode_t = 24576;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFSOCK` is never used
[INFO] [stdout]   --> src/libc.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const S_IFSOCK: mode_t = 49152;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ndless v0.8.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileTypeExt`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub use super::fs::{FileTypeExt, MetadataExt, OpenOptionsExt, PermissionsExt};
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsRawFd`, `FromRawFd`, `IntoRawFd`, and `RawFd`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub use super::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
[INFO] [stdout]    |                         ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndless_sys::NU_Open as open`
[INFO] [stdout]  --> src/libc.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use ndless_sys::NU_Open as open;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stat as lstat`
[INFO] [stdout]  --> src/libc.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 |     nuc_closedir as closedir, nuc_opendir as opendir, stat as lstat, NU_Set_Current_Dir as chdir,
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use core::ffi::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^ the name `CStr` in the type namespace is first re-exported here
[INFO] [stdout] 23 |
[INFO] [stdout] 24 |     pub use embedded_ffi::*;
[INFO] [stdout]    |             --------------- but the name `CStr` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub use alloc::{boxed::*, string::*, vec::*};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |             |                            |
[INFO] [stdout]    |             |                            but the name `Drain` in the type namespace is also re-exported here
[INFO] [stdout]    |             the name `Drain` in the type namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/bindings/math.rs:714:2
[INFO] [stdout]     |
[INFO] [stdout] 714 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/bindings/math.rs:898:2
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:683:3
[INFO] [stdout]     |
[INFO] [stdout] 683 |         unsafe { intrinsics::floorf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:687:3
[INFO] [stdout]     |
[INFO] [stdout] 687 |         unsafe { intrinsics::ceilf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:691:3
[INFO] [stdout]     |
[INFO] [stdout] 691 |         unsafe { intrinsics::roundf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:695:3
[INFO] [stdout]     |
[INFO] [stdout] 695 |         unsafe { intrinsics::truncf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:703:3
[INFO] [stdout]     |
[INFO] [stdout] 703 |         unsafe { intrinsics::fabsf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:710:4
[INFO] [stdout]     |
[INFO] [stdout] 710 |             unsafe { intrinsics::copysignf64(1.0, self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:716:3
[INFO] [stdout]     |
[INFO] [stdout] 716 |         unsafe { intrinsics::copysignf64(self, y) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:720:3
[INFO] [stdout]     |
[INFO] [stdout] 720 |         unsafe { intrinsics::fmaf64(self, a, b) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:741:3
[INFO] [stdout]     |
[INFO] [stdout] 741 |         unsafe { intrinsics::powif64(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:745:3
[INFO] [stdout]     |
[INFO] [stdout] 745 |         unsafe { intrinsics::powf64(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:752:4
[INFO] [stdout]     |
[INFO] [stdout] 752 |             unsafe { intrinsics::sqrtf64(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:757:3
[INFO] [stdout]     |
[INFO] [stdout] 757 |         unsafe { intrinsics::expf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:761:3
[INFO] [stdout]     |
[INFO] [stdout] 761 |         unsafe { intrinsics::exp2f64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:765:3
[INFO] [stdout]     |
[INFO] [stdout] 765 |         unsafe { intrinsics::logf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:773:3
[INFO] [stdout]     |
[INFO] [stdout] 773 |         unsafe { intrinsics::log2f64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:777:3
[INFO] [stdout]     |
[INFO] [stdout] 777 |         unsafe { intrinsics::log10f64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:793:3
[INFO] [stdout]     |
[INFO] [stdout] 793 |         unsafe { intrinsics::sinf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:797:3
[INFO] [stdout]     |
[INFO] [stdout] 797 |         unsafe { intrinsics::cosf64(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:867:3
[INFO] [stdout]     |
[INFO] [stdout] 867 |         unsafe { intrinsics::floorf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:871:3
[INFO] [stdout]     |
[INFO] [stdout] 871 |         unsafe { intrinsics::ceilf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:875:3
[INFO] [stdout]     |
[INFO] [stdout] 875 |         unsafe { intrinsics::roundf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:879:3
[INFO] [stdout]     |
[INFO] [stdout] 879 |         unsafe { intrinsics::truncf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:887:3
[INFO] [stdout]     |
[INFO] [stdout] 887 |         unsafe { intrinsics::fabsf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:894:4
[INFO] [stdout]     |
[INFO] [stdout] 894 |             unsafe { intrinsics::copysignf32(1.0, self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:900:3
[INFO] [stdout]     |
[INFO] [stdout] 900 |         unsafe { intrinsics::copysignf32(self, y) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:904:3
[INFO] [stdout]     |
[INFO] [stdout] 904 |         unsafe { intrinsics::fmaf32(self, a, b) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:925:3
[INFO] [stdout]     |
[INFO] [stdout] 925 |         unsafe { intrinsics::powif32(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:929:3
[INFO] [stdout]     |
[INFO] [stdout] 929 |         unsafe { intrinsics::powf32(self, n) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:936:4
[INFO] [stdout]     |
[INFO] [stdout] 936 |             unsafe { intrinsics::sqrtf32(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:941:3
[INFO] [stdout]     |
[INFO] [stdout] 941 |         unsafe { intrinsics::expf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:945:3
[INFO] [stdout]     |
[INFO] [stdout] 945 |         unsafe { intrinsics::exp2f32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:949:3
[INFO] [stdout]     |
[INFO] [stdout] 949 |         unsafe { intrinsics::logf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:957:3
[INFO] [stdout]     |
[INFO] [stdout] 957 |         unsafe { intrinsics::log2f32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:961:3
[INFO] [stdout]     |
[INFO] [stdout] 961 |         unsafe { intrinsics::log10f32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:977:3
[INFO] [stdout]     |
[INFO] [stdout] 977 |         unsafe { intrinsics::sinf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bindings/math.rs:981:3
[INFO] [stdout]     |
[INFO] [stdout] 981 |         unsafe { intrinsics::cosf32(self) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set_mode` and `from_mode` are never used
[INFO] [stdout]   --> src/file_io/sys/ext/fs.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait PermissionsExt {
[INFO] [stdout]    |           -------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_mode(&mut self, mode: u32);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn from_mode(mode: u32) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub trait OpenOptionsExt {
[INFO] [stdout]     |           -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn custom_flags(&mut self, flags: i32) -> &mut Self;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:155:11
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub trait MetadataExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FileTypeExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:458:11
[INFO] [stdout]     |
[INFO] [stdout] 458 | pub trait FileTypeExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DirBuilderExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:552:11
[INFO] [stdout]     |
[INFO] [stdout] 552 | pub trait DirBuilderExt {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type RawFd = libc::c_int;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait AsRawFd {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait FromRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub trait IntoRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `custom_flags` is never read
[INFO] [stdout]   --> src/file_io/sys/fs.rs:65:2
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct OpenOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 65 |     custom_flags: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl OpenOptions {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn custom_flags(&mut self, flags: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fd` and `into_fd` are never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 293 | impl File {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 377 |     pub fn fd(&self) -> &FileDesc {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     pub fn into_fd(self) -> FileDesc {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_mode` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 386 | impl DirBuilder {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 397 |     pub fn set_mode(&mut self, mode: u32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]   --> src/file_io/sys/platform.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub trait MetadataExt {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoInner` is never used
[INFO] [stdout]   --> src/file_io/sys_common.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait IntoInner<Inner> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFIFO` is never used
[INFO] [stdout]   --> src/libc.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const S_IFIFO: mode_t = 4096;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFCHR` is never used
[INFO] [stdout]   --> src/libc.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const S_IFCHR: mode_t = 8192;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFBLK` is never used
[INFO] [stdout]   --> src/libc.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const S_IFBLK: mode_t = 24576;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFSOCK` is never used
[INFO] [stdout]   --> src/libc.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const S_IFSOCK: mode_t = 49152;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "650cf9a6aa37206a1971cc761919eaf6c7c98c0f327f5efa9b06124f700b5a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650cf9a6aa37206a1971cc761919eaf6c7c98c0f327f5efa9b06124f700b5a78", kill_on_drop: false }`
[INFO] [stdout] 650cf9a6aa37206a1971cc761919eaf6c7c98c0f327f5efa9b06124f700b5a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfc6c92d02bd80f7faaa5dc1f76ea60b998bb72df31f835e38c54408227bb074
[INFO] running `Command { std: "docker" "start" "-a" "dfc6c92d02bd80f7faaa5dc1f76ea60b998bb72df31f835e38c54408227bb074", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stderr]   --> src/lib.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | #![feature(core_intrinsics)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: using it is strongly discouraged
[INFO] [stderr]    = note: `#[warn(internal_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FileTypeExt`
[INFO] [stderr]   --> src/file_io/sys/ext/mod.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub use super::fs::{FileTypeExt, MetadataExt, OpenOptionsExt, PermissionsExt};
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsRawFd`, `FromRawFd`, `IntoRawFd`, and `RawFd`
[INFO] [stderr]   --> src/file_io/sys/ext/mod.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub use super::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
[INFO] [stderr]    |                         ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndless_sys::NU_Open as open`
[INFO] [stderr]  --> src/libc.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use ndless_sys::NU_Open as open;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stat as lstat`
[INFO] [stderr]  --> src/libc.rs:6:52
[INFO] [stderr]   |
[INFO] [stderr] 6 |     nuc_closedir as closedir, nuc_opendir as opendir, stat as lstat, NU_Set_Current_Dir as chdir,
[INFO] [stderr]   |                                                       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous glob re-exports
[INFO] [stderr]   --> src/lib.rs:22:10
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub use core::ffi::*;
[INFO] [stderr]    |             ^^^^^^^^^^^^ the name `CStr` in the type namespace is first re-exported here
[INFO] [stderr] 23 |
[INFO] [stderr] 24 |     pub use embedded_ffi::*;
[INFO] [stderr]    |             --------------- but the name `CStr` in the type namespace is also re-exported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous glob re-exports
[INFO] [stderr]   --> src/lib.rs:83:10
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub use alloc::{boxed::*, string::*, vec::*};
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------^
[INFO] [stderr]    |             |                            |
[INFO] [stderr]    |             |                            but the name `Drain` in the type namespace is also re-exported here
[INFO] [stderr]    |             the name `Drain` in the type namespace is first re-exported here
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/bindings/math.rs:714:2
[INFO] [stderr]     |
[INFO] [stderr] 714 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/bindings/math.rs:898:2
[INFO] [stderr]     |
[INFO] [stderr] 898 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:683:3
[INFO] [stderr]     |
[INFO] [stderr] 683 |         unsafe { intrinsics::floorf64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:687:3
[INFO] [stderr]     |
[INFO] [stderr] 687 |         unsafe { intrinsics::ceilf64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:691:3
[INFO] [stderr]     |
[INFO] [stderr] 691 |         unsafe { intrinsics::roundf64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:695:3
[INFO] [stderr]     |
[INFO] [stderr] 695 |         unsafe { intrinsics::truncf64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:703:3
[INFO] [stderr]     |
[INFO] [stderr] 703 |         unsafe { intrinsics::fabsf64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:710:4
[INFO] [stderr]     |
[INFO] [stderr] 710 |             unsafe { intrinsics::copysignf64(1.0, self) }
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:716:3
[INFO] [stderr]     |
[INFO] [stderr] 716 |         unsafe { intrinsics::copysignf64(self, y) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:720:3
[INFO] [stderr]     |
[INFO] [stderr] 720 |         unsafe { intrinsics::fmaf64(self, a, b) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:741:3
[INFO] [stderr]     |
[INFO] [stderr] 741 |         unsafe { intrinsics::powif64(self, n) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:745:3
[INFO] [stderr]     |
[INFO] [stderr] 745 |         unsafe { intrinsics::powf64(self, n) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:752:4
[INFO] [stderr]     |
[INFO] [stderr] 752 |             unsafe { intrinsics::sqrtf64(self) }
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:757:3
[INFO] [stderr]     |
[INFO] [stderr] 757 |         unsafe { intrinsics::expf64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:761:3
[INFO] [stderr]     |
[INFO] [stderr] 761 |         unsafe { intrinsics::exp2f64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:765:3
[INFO] [stderr]     |
[INFO] [stderr] 765 |         unsafe { intrinsics::logf64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:773:3
[INFO] [stderr]     |
[INFO] [stderr] 773 |         unsafe { intrinsics::log2f64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:777:3
[INFO] [stderr]     |
[INFO] [stderr] 777 |         unsafe { intrinsics::log10f64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:793:3
[INFO] [stderr]     |
[INFO] [stderr] 793 |         unsafe { intrinsics::sinf64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:797:3
[INFO] [stderr]     |
[INFO] [stderr] 797 |         unsafe { intrinsics::cosf64(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:867:3
[INFO] [stderr]     |
[INFO] [stderr] 867 |         unsafe { intrinsics::floorf32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:871:3
[INFO] [stderr]     |
[INFO] [stderr] 871 |         unsafe { intrinsics::ceilf32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:875:3
[INFO] [stderr]     |
[INFO] [stderr] 875 |         unsafe { intrinsics::roundf32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:879:3
[INFO] [stderr]     |
[INFO] [stderr] 879 |         unsafe { intrinsics::truncf32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:887:3
[INFO] [stderr]     |
[INFO] [stderr] 887 |         unsafe { intrinsics::fabsf32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:894:4
[INFO] [stderr]     |
[INFO] [stderr] 894 |             unsafe { intrinsics::copysignf32(1.0, self) }
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:900:3
[INFO] [stderr]     |
[INFO] [stderr] 900 |         unsafe { intrinsics::copysignf32(self, y) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:904:3
[INFO] [stderr]     |
[INFO] [stderr] 904 |         unsafe { intrinsics::fmaf32(self, a, b) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:925:3
[INFO] [stderr]     |
[INFO] [stderr] 925 |         unsafe { intrinsics::powif32(self, n) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:929:3
[INFO] [stderr]     |
[INFO] [stderr] 929 |         unsafe { intrinsics::powf32(self, n) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:936:4
[INFO] [stderr]     |
[INFO] [stderr] 936 |             unsafe { intrinsics::sqrtf32(self) }
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:941:3
[INFO] [stderr]     |
[INFO] [stderr] 941 |         unsafe { intrinsics::expf32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:945:3
[INFO] [stderr]     |
[INFO] [stderr] 945 |         unsafe { intrinsics::exp2f32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:949:3
[INFO] [stderr]     |
[INFO] [stderr] 949 |         unsafe { intrinsics::logf32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:957:3
[INFO] [stderr]     |
[INFO] [stderr] 957 |         unsafe { intrinsics::log2f32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:961:3
[INFO] [stderr]     |
[INFO] [stderr] 961 |         unsafe { intrinsics::log10f32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:977:3
[INFO] [stderr]     |
[INFO] [stderr] 977 |         unsafe { intrinsics::sinf32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/bindings/math.rs:981:3
[INFO] [stderr]     |
[INFO] [stderr] 981 |         unsafe { intrinsics::cosf32(self) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `set_mode` and `from_mode` are never used
[INFO] [stderr]   --> src/file_io/sys/ext/fs.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait PermissionsExt {
[INFO] [stderr]    |           -------------- associated items in this trait
[INFO] [stderr] ...
[INFO] [stderr] 50 |     fn set_mode(&mut self, mode: u32);
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     fn from_mode(mode: u32) -> Self;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `custom_flags` is never used
[INFO] [stderr]    --> src/file_io/sys/ext/fs.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr]  87 | pub trait OpenOptionsExt {
[INFO] [stderr]     |           -------------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 136 |     fn custom_flags(&mut self, flags: i32) -> &mut Self;
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MetadataExt` is never used
[INFO] [stderr]    --> src/file_io/sys/ext/fs.rs:155:11
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub trait MetadataExt {
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `FileTypeExt` is never used
[INFO] [stderr]    --> src/file_io/sys/ext/fs.rs:458:11
[INFO] [stderr]     |
[INFO] [stderr] 458 | pub trait FileTypeExt {
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `DirBuilderExt` is never used
[INFO] [stderr]    --> src/file_io/sys/ext/fs.rs:552:11
[INFO] [stderr]     |
[INFO] [stderr] 552 | pub trait DirBuilderExt {
[INFO] [stderr]     |           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `RawFd` is never used
[INFO] [stderr]   --> src/file_io/sys/ext/io.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type RawFd = libc::c_int;
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `AsRawFd` is never used
[INFO] [stderr]   --> src/file_io/sys/ext/io.rs:19:11
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub trait AsRawFd {
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `FromRawFd` is never used
[INFO] [stderr]   --> src/file_io/sys/ext/io.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub trait FromRawFd {
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IntoRawFd` is never used
[INFO] [stderr]   --> src/file_io/sys/ext/io.rs:52:11
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub trait IntoRawFd {
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `custom_flags` is never read
[INFO] [stderr]   --> src/file_io/sys/fs.rs:65:2
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct OpenOptions {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 65 |     custom_flags: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `OpenOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `custom_flags` is never used
[INFO] [stderr]    --> src/file_io/sys/fs.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 239 | impl OpenOptions {
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 274 |     pub fn custom_flags(&mut self, flags: i32) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `fd` and `into_fd` are never used
[INFO] [stderr]    --> src/file_io/sys/fs.rs:377:9
[INFO] [stderr]     |
[INFO] [stderr] 293 | impl File {
[INFO] [stderr]     | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 377 |     pub fn fd(&self) -> &FileDesc {
[INFO] [stderr]     |            ^^
[INFO] [stderr] ...
[INFO] [stderr] 381 |     pub fn into_fd(self) -> FileDesc {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_mode` is never used
[INFO] [stderr]    --> src/file_io/sys/fs.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 386 | impl DirBuilder {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 397 |     pub fn set_mode(&mut self, mode: u32) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MetadataExt` is never used
[INFO] [stderr]   --> src/file_io/sys/platform.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub trait MetadataExt {
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IntoInner` is never used
[INFO] [stderr]   --> src/file_io/sys_common.rs:17:11
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub trait IntoInner<Inner> {
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `S_IFIFO` is never used
[INFO] [stderr]   --> src/libc.rs:25:11
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const S_IFIFO: mode_t = 4096;
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `S_IFCHR` is never used
[INFO] [stderr]   --> src/libc.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub const S_IFCHR: mode_t = 8192;
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `S_IFBLK` is never used
[INFO] [stderr]   --> src/libc.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub const S_IFBLK: mode_t = 24576;
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `S_IFSOCK` is never used
[INFO] [stderr]   --> src/libc.rs:30:11
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub const S_IFSOCK: mode_t = 49152;
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ndless` (lib) generated 64 warnings (run `cargo fix --lib -p ndless` to apply 6 suggestions)
[INFO] [stderr] warning: `ndless` (lib test) generated 64 warnings (64 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ndless-eeacc64385269c2d)
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_reader_seek ... ok
[INFO] [stdout] test file_io::io::buffered::tests::erroneous_flush_retried ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_reader_seek_relative ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_reader_seek_underflow ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_reader_invalidated_after_seek ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_writer ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_writer_inner_flushes ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_writer_seek ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_line_buffer ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_line_buffer_fail_flush ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_lines ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_read_until ... ok
[INFO] [stdout] test file_io::io::cursor::tests::seek_before_0 ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_short_reads ... ok
[INFO] [stdout] test file_io::io::cursor::tests::seek_past_end ... ok
[INFO] [stdout] test file_io::io::cursor::tests::seek_past_i64 ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_box_slice_writer_vectored ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_box_slice_writer ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_boxed_slice_reader ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_boxed_slice_reader_vectored ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_reader ... ok
[INFO] [stdout] test file_io::io::cursor::tests::read_to_end ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_read_line ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_reader_invalidated_after_read ... ok
[INFO] [stdout] test file_io::io::buffered::tests::dont_panic_in_drop_on_panicked_flush - should panic ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_reader ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_mem_writer ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_writer_seek ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_seekable_mem_writer ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_writer_error ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_mem_mut_writer ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_writer_vectored ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_mem_reader ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_writer ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_mem_reader_vectored ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_slice_reader ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_slice_reader_vectored ... ok
[INFO] [stdout] test file_io::io::cursor::tests::vec_seek_before_0 ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_vec_writer ... ok
[INFO] [stdout] test file_io::io::cursor::tests::vec_seek_past_end ... ok
[INFO] [stdout] test file_io::io::tests::chain_zero_length_read_is_not_eof ... ok
[INFO] [stdout] test file_io::io::error::test::test_debug_error ... ok
[INFO] [stdout] test file_io::io::tests::chain_bufread ... ok
[INFO] [stdout] test file_io::io::tests::lines ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_read_exact ... ok
[INFO] [stdout] test file_io::io::tests::read_exact ... ok
[INFO] [stdout] test file_io::io::tests::read_line ... ok
[INFO] [stdout] test file_io::io::tests::read_exact_slice ... ok
[INFO] [stdout] test file_io::io::tests::read_until ... ok
[INFO] [stdout] test file_io::io::tests::seek_len ... ok
[INFO] [stdout] test file_io::io::tests::seek_position ... ok
[INFO] [stdout] test file_io::io::tests::split ... ok
[INFO] [stdout] test file_io::io::error::test::test_downcasting ... FAILED
[INFO] [stdout] test file_io::io::tests::read_to_string ... ok
[INFO] [stdout] test file_io::io::util::tests::empty_reads ... ok
[INFO] [stdout] test file_io::io::util::tests::repeat_repeats ... ok
[INFO] [stdout] test file_io::path::tests::display_format_flags ... ok
[INFO] [stdout] test file_io::path::tests::into ... ok
[INFO] [stdout] test file_io::path::tests::into_boxed ... ok
[INFO] [stdout] test file_io::io::util::tests::take_some_bytes ... ok
[INFO] [stdout] test file_io::path::tests::into_rc ... ok
[INFO] [stdout] test file_io::path::tests::test_components_debug ... ok
[INFO] [stdout] test file_io::path::tests::test_eq_receivers ... ok
[INFO] [stdout] test file_io::path::tests::test_iter_debug ... ok
[INFO] [stdout] test file_io::io::util::tests::sink_sinks ... ok
[INFO] [stdout] test file_io::path::tests::test_decompositions_unix ... ok
[INFO] [stdout] test file_io::path::tests::test_pop ... ok
[INFO] [stdout] test file_io::path::tests::test_stem_ext ... ok
[INFO] [stdout] test file_io::path::tests::test_push ... ok
[INFO] [stdout] test file_io::path::tests::test_set_extension ... ok
[INFO] [stdout] test file_io::path::tests::test_set_file_name ... ok
[INFO] [stdout] test file_io::io::tests::take_eof ... ok
[INFO] [stdout] test file_io::io::util::tests::copy_copies ... ok
[INFO] [stdout] test file_io::io::tests::read_to_end ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- file_io::io::error::test::test_downcasting stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'file_io::io::error::test::test_downcasting' (59) panicked at src/file_io/io/error.rs:606:9:
[INFO] [stdout] assertion failed: err.get_ref().unwrap().is::<TestError>()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57128bb8ba32 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57128bb8ba32 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57128bb8ba32 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x57128bb8ba32 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x57128bba8f2a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x57128bba8f2a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x57128bb90836 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57128bb90836 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x57128bb6a0ef - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x57128bb6a0ef - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x57128bb83c89 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x57128bb1f6be - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x57128bb1f6be - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x57128bb83e42 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x57128bb83e42 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x57128bb6a1da - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x57128bb5f399 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x57128bb6affd - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x57128bba95fc - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x57128bba95c2 - core[585f66e14d78f9ba]::panicking::panic
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x57128bafffe3 - ndless[b73ed9b4e42c9ead]::file_io::io::error::test::test_downcasting
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/io/error.rs:606:3
[INFO] [stdout]   21:     0x57128bafee67 - ndless[b73ed9b4e42c9ead]::file_io::io::error::test::test_downcasting::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/io/error.rs:587:23
[INFO] [stdout]   22:     0x57128bb08996 - <ndless[b73ed9b4e42c9ead]::file_io::io::error::test::test_downcasting::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x57128bb13a6b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57128bb13a6b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x57128bb202ca - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x57128bb202ca - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x57128bb202ca - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x57128bb202ca - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x57128bb202ca - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x57128bb202ca - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x57128bb202ca - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x57128bb1a794 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x57128bb1a794 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x57128bb22dc2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x57128bb22dc2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x57128bb22dc2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x57128bb22dc2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x57128bb22dc2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x57128bb22dc2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x57128bb22dc2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x57128bb8b2df - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x57128bb8b2df - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   43:     0x76294361aaa4 - <unknown>
[INFO] [stdout]   44:     0x7629436a7a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     file_io::io::error::test::test_downcasting
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 73 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "dfc6c92d02bd80f7faaa5dc1f76ea60b998bb72df31f835e38c54408227bb074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc6c92d02bd80f7faaa5dc1f76ea60b998bb72df31f835e38c54408227bb074", kill_on_drop: false }`
[INFO] [stdout] dfc6c92d02bd80f7faaa5dc1f76ea60b998bb72df31f835e38c54408227bb074
