[INFO] fetching crate better-commands 1.0.2...
[INFO] checking better-commands-1.0.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate better-commands 1.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate better-commands 1.0.2
[INFO] finished tweaking crates.io crate better-commands 1.0.2
[INFO] tweaked toml for crates.io crate better-commands 1.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate better-commands 1.0.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate better-commands 1.0.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37541bc81a07e429b11671a07f6ba9e00df71a48d677e6a0aca935ceb9958ce8
[INFO] running `Command { std: "docker" "start" "-a" "37541bc81a07e429b11671a07f6ba9e00df71a48d677e6a0aca935ceb9958ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37541bc81a07e429b11671a07f6ba9e00df71a48d677e6a0aca935ceb9958ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37541bc81a07e429b11671a07f6ba9e00df71a48d677e6a0aca935ceb9958ce8", kill_on_drop: false }`
[INFO] [stdout] 37541bc81a07e429b11671a07f6ba9e00df71a48d677e6a0aca935ceb9958ce8
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be802ccba9deb4b5b0cdcb771d035cb04d5de52f70a6610d0b46c8939cee9e8d
[INFO] running `Command { std: "docker" "start" "-a" "be802ccba9deb4b5b0cdcb771d035cb04d5de52f70a6610d0b46c8939cee9e8d", kill_on_drop: false }`
[INFO] [stderr]     Checking better-commands v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::fs::FileExt`
[INFO] [stdout]  --> src/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::unix::fs::FileExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::remove_file`
[INFO] [stdout]  --> src/tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::remove_file,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::File` and `thread::sleep`
[INFO] [stdout]   --> src/tests.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{fs::File, thread::sleep};
[INFO] [stdout]    |           ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shuffle_vec` is never used
[INFO] [stdout]   --> src/tests.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn shuffle_vec<T>(vec: &mut [T]) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "be802ccba9deb4b5b0cdcb771d035cb04d5de52f70a6610d0b46c8939cee9e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be802ccba9deb4b5b0cdcb771d035cb04d5de52f70a6610d0b46c8939cee9e8d", kill_on_drop: false }`
[INFO] [stdout] be802ccba9deb4b5b0cdcb771d035cb04d5de52f70a6610d0b46c8939cee9e8d