[INFO] fetching crate ndless 0.8.8...
[INFO] testing ndless-0.8.8 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate ndless 0.8.8 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ndless 0.8.8 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88cfc7b77cc7dab12f93e6cfef8f937236769940b5d3f6e3d5ace5ac398b8e11
[INFO] running `Command { std: "docker" "start" "-a" "88cfc7b77cc7dab12f93e6cfef8f937236769940b5d3f6e3d5ace5ac398b8e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88cfc7b77cc7dab12f93e6cfef8f937236769940b5d3f6e3d5ace5ac398b8e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cfc7b77cc7dab12f93e6cfef8f937236769940b5d3f6e3d5ace5ac398b8e11", kill_on_drop: false }`
[INFO] [stdout] 88cfc7b77cc7dab12f93e6cfef8f937236769940b5d3f6e3d5ace5ac398b8e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5b5117172dff53728cfa7a42efed9ffc5ea15eaa20b849654f3adb67ebd4d99
[INFO] running `Command { std: "docker" "start" "-a" "d5b5117172dff53728cfa7a42efed9ffc5ea15eaa20b849654f3adb67ebd4d99", kill_on_drop: false }`
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling cty v0.1.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ndless-static-vars v2.1.0
[INFO] [stderr]    Compiling ndless-sys v0.2.0
[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-macros v0.4.0
[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)]` 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]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:714:2
[INFO] [stdout]     |
[INFO] [stdout] 714 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:898:2
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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)]` 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 41.29s
[INFO] running `Command { std: "docker" "inspect" "d5b5117172dff53728cfa7a42efed9ffc5ea15eaa20b849654f3adb67ebd4d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b5117172dff53728cfa7a42efed9ffc5ea15eaa20b849654f3adb67ebd4d99", kill_on_drop: false }`
[INFO] [stdout] d5b5117172dff53728cfa7a42efed9ffc5ea15eaa20b849654f3adb67ebd4d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d89fdddb48a1501839c604e51671be58325e9c4feb696960e62c0bd244f51af9
[INFO] running `Command { std: "docker" "start" "-a" "d89fdddb48a1501839c604e51671be58325e9c4feb696960e62c0bd244f51af9", 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)]` 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]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:714:2
[INFO] [stdout]     |
[INFO] [stdout] 714 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:898:2
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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)]` 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)]` 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]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:714:2
[INFO] [stdout]     |
[INFO] [stdout] 714 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:898:2
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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)]` 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 10.51s
[INFO] running `Command { std: "docker" "inspect" "d89fdddb48a1501839c604e51671be58325e9c4feb696960e62c0bd244f51af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89fdddb48a1501839c604e51671be58325e9c4feb696960e62c0bd244f51af9", kill_on_drop: false }`
[INFO] [stdout] d89fdddb48a1501839c604e51671be58325e9c4feb696960e62c0bd244f51af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a59e9d9e2fbafb4110f8e1d6229131984525705c068b81f245211edf5a71377
[INFO] running `Command { std: "docker" "start" "-a" "5a59e9d9e2fbafb4110f8e1d6229131984525705c068b81f245211edf5a71377", 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)]` 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]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/bindings/math.rs:714:2
[INFO] [stderr]     |
[INFO] [stderr] 714 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/bindings/math.rs:898:2
[INFO] [stderr]     |
[INFO] [stderr] 898 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[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)]` 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 28 warnings (run `cargo fix --lib -p ndless` to apply 4 suggestions)
[INFO] [stderr] warning: `ndless` (lib test) generated 28 warnings (28 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ndless-0e7b61a635b02e3c)
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stdout] test file_io::io::buffered::tests::erroneous_flush_retried ... 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_reader_invalidated_after_read ... 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_writer_inner_flushes ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_line_buffer ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_writer ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_reader_seek_relative ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_lines ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_line_buffer_fail_flush ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_read_line ... ok
[INFO] [stdout] test file_io::io::cursor::tests::read_to_end ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_reader_seek ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_short_reads ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_reader ... ok
[INFO] [stdout] test file_io::io::cursor::tests::seek_past_end ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_read_until ... ok
[INFO] [stdout] test file_io::io::cursor::tests::seek_past_i64 ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_boxed_slice_reader_vectored ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_box_slice_writer ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_box_slice_writer_vectored ... ok
[INFO] [stdout] test file_io::io::cursor::tests::seek_before_0 ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_writer ... ok
[INFO] [stdout] test file_io::io::buffered::tests::test_buffered_writer_seek ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_boxed_slice_reader ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_mem_reader ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_mem_reader_vectored ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_mem_mut_writer ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_reader ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_writer_error ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_writer_seek ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_mem_writer ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_buf_writer_vectored ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_read_exact ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_seekable_mem_writer ... 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::vec_seek_past_end ... ok
[INFO] [stdout] test file_io::io::tests::chain_bufread ... ok
[INFO] [stdout] test file_io::io::tests::chain_zero_length_read_is_not_eof ... ok
[INFO] [stdout] test file_io::io::tests::lines ... ok
[INFO] [stdout] test file_io::io::tests::read_exact ... ok
[INFO] [stdout] test file_io::io::cursor::tests::test_vec_writer ... ok
[INFO] [stdout] test file_io::io::tests::read_exact_slice ... ok
[INFO] [stdout] test file_io::io::tests::read_to_string ... ok
[INFO] [stdout] test file_io::io::tests::seek_len ... ok
[INFO] [stdout] test file_io::io::tests::read_line ... ok
[INFO] [stdout] test file_io::io::tests::read_to_end ... ok
[INFO] [stdout] test file_io::io::tests::seek_position ... 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_until ... ok
[INFO] [stdout] test file_io::io::tests::split ... ok
[INFO] [stdout] test file_io::io::util::tests::empty_reads ... ok
[INFO] [stdout] test file_io::io::util::tests::sink_sinks ... ok
[INFO] [stdout] test file_io::io::util::tests::take_some_bytes ... ok
[INFO] [stdout] test file_io::path::tests::display_format_flags ... ok
[INFO] [stdout] test file_io::path::tests::into_boxed ... 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::into ... ok
[INFO] [stdout] test file_io::path::tests::test_iter_debug ... ok
[INFO] [stdout] test file_io::io::util::tests::repeat_repeats ... ok
[INFO] [stdout] test file_io::path::tests::test_decompositions_unix ... ok
[INFO] [stdout] test file_io::path::tests::test_eq_receivers ... 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_set_file_name ... 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::io::buffered::tests::dont_panic_in_drop_on_panicked_flush - should panic ... ok
[INFO] [stdout] test file_io::io::error::test::test_debug_error ... FAILED
[INFO] [stdout] test file_io::io::error::test::test_downcasting ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- file_io::io::error::test::test_debug_error stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'file_io::io::error::test::test_debug_error' panicked at src/file_io/sys/os.rs:57:13:
[INFO] [stdout] strerror_r failure
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f57be6dc302 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f57be6dc302 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f57be6dc302 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f57be6dc302 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f57be7020e3 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5f57be7020e3 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5f57be6d9293 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f57be6d9293 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5f57be6dc152 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5f57be6dd86c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5f57be6dd6c2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5f57be6a5704 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5f57be6a5704 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f57be6de24b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5f57be6de24b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5f57be6ddfe6 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5f57be6dc7f9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5f57be6ddcad - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5f57be700c20 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5f57be700c8c - core::panicking::panic::hd2a569f4f37f7e10
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5f57be66964a - ndless::file_io::sys::os::error_string::h2e9c983b19515418
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/sys/os.rs:57:4
[INFO] [stdout]   21:     0x5f57be66970b - ndless::file_io::io::error::test::test_debug_error::h9674a1a0eb3ddbfb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/io/error.rs:562:13
[INFO] [stdout]   22:     0x5f57be66a859 - ndless::file_io::io::error::test::test_debug_error::{{closure}}::heb2da2b053fac39a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/io/error.rs:560:23
[INFO] [stdout]   23:     0x5f57be66a859 - core::ops::function::FnOnce::call_once::hc76bcb63e202b552
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5f57be6aae3b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5f57be6aae3b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5f57be6aa07e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5f57be6aa07e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5f57be6aa07e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5f57be6aa07e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5f57be6aa07e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5f57be6aa07e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5f57be6aa07e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5f57be66dc24 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5f57be66dc24 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5f57be6715ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5f57be6715ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5f57be6715ca - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5f57be6715ca - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5f57be6715ca - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5f57be6715ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5f57be6715ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5f57be6e11a7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5f57be6e11a7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5f57be6e11a7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x78f89d8e1aa4 - <unknown>
[INFO] [stdout]   46:     0x78f89d96ea34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file_io::io::error::test::test_downcasting stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'file_io::io::error::test::test_downcasting' 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:     0x5f57be6dc302 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f57be6dc302 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f57be6dc302 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f57be6dc302 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f57be7020e3 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5f57be7020e3 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5f57be6d9293 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f57be6d9293 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5f57be6dc152 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5f57be6dd86c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5f57be6dd6c2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5f57be6a5704 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5f57be6a5704 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f57be6de24b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5f57be6de24b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5f57be6ddfe6 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5f57be6dc7f9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5f57be6ddcad - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5f57be700c20 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5f57be700c8c - core::panicking::panic::hd2a569f4f37f7e10
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5f57be669ab0 - ndless::file_io::io::error::test::test_downcasting::h874e64faee6c07da
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/io/error.rs:606:3
[INFO] [stdout]   21:     0x5f57be66a066 - ndless::file_io::io::error::test::test_downcasting::{{closure}}::h1d8caa58e9d4746a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/io/error.rs:587:23
[INFO] [stdout]   22:     0x5f57be66a066 - core::ops::function::FnOnce::call_once::h18e572d03cc4eb6a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5f57be6aae3b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5f57be6aae3b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x5f57be6aa07e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x5f57be6aa07e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5f57be6aa07e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5f57be6aa07e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5f57be6aa07e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5f57be6aa07e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x5f57be6aa07e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x5f57be66dc24 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x5f57be66dc24 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x5f57be6715ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5f57be6715ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5f57be6715ca - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x5f57be6715ca - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x5f57be6715ca - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5f57be6715ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5f57be6715ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5f57be6e11a7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x5f57be6e11a7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5f57be6e11a7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   44:     0x78f89d8e1aa4 - <unknown>
[INFO] [stdout]   45:     0x78f89d96ea34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     file_io::io::error::test::test_debug_error
[INFO] [stdout]     file_io::io::error::test::test_downcasting
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 72 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "5a59e9d9e2fbafb4110f8e1d6229131984525705c068b81f245211edf5a71377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a59e9d9e2fbafb4110f8e1d6229131984525705c068b81f245211edf5a71377", kill_on_drop: false }`
[INFO] [stdout] 5a59e9d9e2fbafb4110f8e1d6229131984525705c068b81f245211edf5a71377
