[INFO] fetching crate remove_dir_all 0.8.4...
[INFO] checking remove_dir_all-0.8.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate remove_dir_all 0.8.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate remove_dir_all 0.8.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate remove_dir_all 0.8.4
[INFO] finished tweaking crates.io crate remove_dir_all 0.8.4
[INFO] tweaked toml for crates.io crate remove_dir_all 0.8.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate remove_dir_all 0.8.4 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f9087e5950d191d98e87f32ca90d91a23ceda98c00b19f96e47ed4508f24a8c
[INFO] running `Command { std: "docker" "start" "-a" "6f9087e5950d191d98e87f32ca90d91a23ceda98c00b19f96e47ed4508f24a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f9087e5950d191d98e87f32ca90d91a23ceda98c00b19f96e47ed4508f24a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9087e5950d191d98e87f32ca90d91a23ceda98c00b19f96e47ed4508f24a8c", kill_on_drop: false }`
[INFO] [stdout] 6f9087e5950d191d98e87f32ca90d91a23ceda98c00b19f96e47ed4508f24a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de9ce695e82036ac15e91ba3050acf2ddcd5192afc7c4ab2970344b37b95b780
[INFO] running `Command { std: "docker" "start" "-a" "de9ce695e82036ac15e91ba3050acf2ddcd5192afc7c4ab2970344b37b95b780", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking cvt v0.1.2
[INFO] [stderr]     Checking normpath v1.3.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking fs_at v0.2.1
[INFO] [stderr]     Checking remove_dir_all v0.8.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `unique_identifier` is never used
[INFO] [stdout]   --> src/_impl/io.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub(crate) trait Io {
[INFO] [stdout]    |                  -- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn unique_identifier(d: &File) -> io::Result<Self::UniqueIdentifier>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling test-log-macros v0.2.16
[INFO] [stderr]     Checking test-log v0.2.16
[INFO] [stdout] warning: associated function `unique_identifier` is never used
[INFO] [stdout]   --> src/_impl/io.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub(crate) trait Io {
[INFO] [stdout]    |                  -- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn unique_identifier(d: &File) -> io::Result<Self::UniqueIdentifier>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "de9ce695e82036ac15e91ba3050acf2ddcd5192afc7c4ab2970344b37b95b780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9ce695e82036ac15e91ba3050acf2ddcd5192afc7c4ab2970344b37b95b780", kill_on_drop: false }`
[INFO] [stdout] de9ce695e82036ac15e91ba3050acf2ddcd5192afc7c4ab2970344b37b95b780