[INFO] fetching crate same-file 1.0.6...
[INFO] building same-file-1.0.6 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate same-file 1.0.6 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate same-file 1.0.6
[INFO] finished tweaking crates.io crate same-file 1.0.6
[INFO] tweaked toml for crates.io crate same-file 1.0.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate same-file 1.0.6 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate same-file 1.0.6 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded winapi v0.3.2
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.3.2
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfcd8fe2f6947a35a99d8cb898962bd1e0c7cf0a9f5f72a1838eb336b6c6b3e1
[INFO] running `Command { std: "docker" "start" "-a" "bfcd8fe2f6947a35a99d8cb898962bd1e0c7cf0a9f5f72a1838eb336b6c6b3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfcd8fe2f6947a35a99d8cb898962bd1e0c7cf0a9f5f72a1838eb336b6c6b3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcd8fe2f6947a35a99d8cb898962bd1e0c7cf0a9f5f72a1838eb336b6c6b3e1", kill_on_drop: false }`
[INFO] [stdout] bfcd8fe2f6947a35a99d8cb898962bd1e0c7cf0a9f5f72a1838eb336b6c6b3e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf1d9b63d878b498540f5f3793dd5eb2c2f00a719c039392ada24ec6d6d83ec
[INFO] running `Command { std: "docker" "start" "-a" "acf1d9b63d878b498540f5f3793dd5eb2c2f00a719c039392ada24ec6d6d83ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]   --> src/unix.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             self.file.take().unwrap().into_raw_fd();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the raw file descriptor may leak resources
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let _ = self.file.take().unwrap().into_raw_fd();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "acf1d9b63d878b498540f5f3793dd5eb2c2f00a719c039392ada24ec6d6d83ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf1d9b63d878b498540f5f3793dd5eb2c2f00a719c039392ada24ec6d6d83ec", kill_on_drop: false }`
[INFO] [stdout] acf1d9b63d878b498540f5f3793dd5eb2c2f00a719c039392ada24ec6d6d83ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b2884630f80fe339b152e0c3682ff0e35e106df4c63cfbe28859140dacbf232
[INFO] running `Command { std: "docker" "start" "-a" "5b2884630f80fe339b152e0c3682ff0e35e106df4c63cfbe28859140dacbf232", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]   --> src/unix.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             self.file.take().unwrap().into_raw_fd();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the raw file descriptor may leak resources
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let _ = self.file.take().unwrap().into_raw_fd();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling same-file v1.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]   --> src/unix.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             self.file.take().unwrap().into_raw_fd();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the raw file descriptor may leak resources
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let _ = self.file.take().unwrap().into_raw_fd();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "5b2884630f80fe339b152e0c3682ff0e35e106df4c63cfbe28859140dacbf232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2884630f80fe339b152e0c3682ff0e35e106df4c63cfbe28859140dacbf232", kill_on_drop: false }`
[INFO] [stdout] 5b2884630f80fe339b152e0c3682ff0e35e106df4c63cfbe28859140dacbf232