[INFO] fetching crate iofs 0.0.8...
[INFO] testing iofs-0.0.8 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate iofs 0.0.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate iofs 0.0.8 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iofs 0.0.8
[INFO] finished tweaking crates.io crate iofs 0.0.8
[INFO] tweaked toml for crates.io crate iofs 0.0.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate iofs 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 320cc7982f33531a18fb0d12701f3e1e14d6cefcc7e53da01b7939de1c36ac51
[INFO] running `Command { std: "docker" "start" "-a" "320cc7982f33531a18fb0d12701f3e1e14d6cefcc7e53da01b7939de1c36ac51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320cc7982f33531a18fb0d12701f3e1e14d6cefcc7e53da01b7939de1c36ac51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320cc7982f33531a18fb0d12701f3e1e14d6cefcc7e53da01b7939de1c36ac51", kill_on_drop: false }`
[INFO] [stdout] 320cc7982f33531a18fb0d12701f3e1e14d6cefcc7e53da01b7939de1c36ac51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb0a63d1a61cddbdba76c365a4b5d4d4d5774faca10101ded33afb36b3931084
[INFO] running `Command { std: "docker" "start" "-a" "cb0a63d1a61cddbdba76c365a4b5d4d4d5774faca10101ded33afb36b3931084", kill_on_drop: false }`
[INFO] [stderr]    Compiling iofs v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `and`, `with`, and `append` are never used
[INFO] [stdout]  --> src/fs/other.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait And {
[INFO] [stdout]   |           --- methods in this trait
[INFO] [stdout] 5 |     type Output;
[INFO] [stdout] 6 |     fn and<T: Display>(self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 7 |     fn with<T: Display>(&self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 8 |     fn append<T: Display>(self, other: Vec<T>) -> Self::Output;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `trim_zero` is never used
[INFO] [stdout]   --> src/io/number.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub trait Trim {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn trim_zero(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "cb0a63d1a61cddbdba76c365a4b5d4d4d5774faca10101ded33afb36b3931084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0a63d1a61cddbdba76c365a4b5d4d4d5774faca10101ded33afb36b3931084", kill_on_drop: false }`
[INFO] [stdout] cb0a63d1a61cddbdba76c365a4b5d4d4d5774faca10101ded33afb36b3931084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41d9efdf60c7dd2639e69a0fea40f041d48754665aeda99df530abc227e8ee66
[INFO] running `Command { std: "docker" "start" "-a" "41d9efdf60c7dd2639e69a0fea40f041d48754665aeda99df530abc227e8ee66", kill_on_drop: false }`
[INFO] [stdout] warning: methods `and`, `with`, and `append` are never used
[INFO] [stdout]  --> src/fs/other.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait And {
[INFO] [stdout]   |           --- methods in this trait
[INFO] [stdout] 5 |     type Output;
[INFO] [stdout] 6 |     fn and<T: Display>(self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 7 |     fn with<T: Display>(&self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 8 |     fn append<T: Display>(self, other: Vec<T>) -> Self::Output;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling iofs v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `trim_zero` is never used
[INFO] [stdout]   --> src/io/number.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub trait Trim {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn trim_zero(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::stream::FileWriteStream` and `prelude::FileInfo`
[INFO] [stdout]  --> examples/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iofs::{prelude::FileInfo, fs::stream::FileWriteStream};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Find`
[INFO] [stdout]  --> examples/io.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 |     prelude::{FileInfo, Find},
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `and`, `with`, and `append` are never used
[INFO] [stdout]  --> src/fs/other.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait And {
[INFO] [stdout]   |           --- methods in this trait
[INFO] [stdout] 5 |     type Output;
[INFO] [stdout] 6 |     fn and<T: Display>(self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 7 |     fn with<T: Display>(&self, other: T) -> Self::Output;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 8 |     fn append<T: Display>(self, other: Vec<T>) -> Self::Output;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `trim_zero` is never used
[INFO] [stdout]   --> src/io/number.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub trait Trim {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn trim_zero(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "41d9efdf60c7dd2639e69a0fea40f041d48754665aeda99df530abc227e8ee66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d9efdf60c7dd2639e69a0fea40f041d48754665aeda99df530abc227e8ee66", kill_on_drop: false }`
[INFO] [stdout] 41d9efdf60c7dd2639e69a0fea40f041d48754665aeda99df530abc227e8ee66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a13d7d26a2ade05e76549b3be45f7b65764de756ebe8c6ddc2f4678b1e4389c
[INFO] running `Command { std: "docker" "start" "-a" "9a13d7d26a2ade05e76549b3be45f7b65764de756ebe8c6ddc2f4678b1e4389c", kill_on_drop: false }`
[INFO] [stderr] warning: methods `and`, `with`, and `append` are never used
[INFO] [stderr]  --> src/fs/other.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub trait And {
[INFO] [stderr]   |           --- methods in this trait
[INFO] [stderr] 5 |     type Output;
[INFO] [stderr] 6 |     fn and<T: Display>(self, other: T) -> Self::Output;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 7 |     fn with<T: Display>(&self, other: T) -> Self::Output;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 8 |     fn append<T: Display>(self, other: Vec<T>) -> Self::Output;
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `trim_zero` is never used
[INFO] [stderr]   --> src/io/number.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub trait Trim {
[INFO] [stderr]    |           ---- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 42 |     fn trim_zero(&mut self);
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `iofs` (lib) generated 2 warnings
[INFO] [stderr] warning: unused imports: `fs::stream::FileWriteStream` and `prelude::FileInfo`
[INFO] [stderr]  --> examples/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use iofs::{prelude::FileInfo, fs::stream::FileWriteStream};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Find`
[INFO] [stderr]  --> examples/io.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 |     prelude::{FileInfo, Find},
[INFO] [stderr]   |                         ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `iofs` (example "main") generated 1 warning (run `cargo fix --example "main"` to apply 1 suggestion)
[INFO] [stderr] warning: `iofs` (example "io") generated 1 warning (run `cargo fix --example "io"` to apply 1 suggestion)
[INFO] [stderr] warning: `iofs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iofs-31923e2f547a69c1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iofs
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/fs/fd.rs - fs::fd::DFiles::ext_name (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/fs/fd.rs - fs::fd::DFiles::ext_name (line 14) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FileInfo`
[INFO] [stdout]  --> src/fs/fd.rs:15:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let f = FileInfo::open("foo.txt");
[INFO] [stdout]   |         ^^^^^^^^ use of undeclared type `FileInfo`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use iofs::prelude::FileInfo;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/fs/fd.rs - fs::fd::DFiles::ext_name (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9a13d7d26a2ade05e76549b3be45f7b65764de756ebe8c6ddc2f4678b1e4389c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a13d7d26a2ade05e76549b3be45f7b65764de756ebe8c6ddc2f4678b1e4389c", kill_on_drop: false }`
[INFO] [stdout] 9a13d7d26a2ade05e76549b3be45f7b65764de756ebe8c6ddc2f4678b1e4389c
