[INFO] fetching crate same-file 1.0.6...
[INFO] building same-file-1.0.6 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate same-file 1.0.6 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate same-file 1.0.6 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 162efc1b95baad9845f6efc3c50fc687fa3a80974ba611089cc50a81f1cf1d7c
[INFO] running `Command { std: "docker" "start" "-a" "162efc1b95baad9845f6efc3c50fc687fa3a80974ba611089cc50a81f1cf1d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "162efc1b95baad9845f6efc3c50fc687fa3a80974ba611089cc50a81f1cf1d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162efc1b95baad9845f6efc3c50fc687fa3a80974ba611089cc50a81f1cf1d7c", kill_on_drop: false }`
[INFO] [stdout] 162efc1b95baad9845f6efc3c50fc687fa3a80974ba611089cc50a81f1cf1d7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd4de568bcaf5f4914cae5724fc25e21fbd93ca2390468e94dde1591a2053b0
[INFO] running `Command { std: "docker" "start" "-a" "6fd4de568bcaf5f4914cae5724fc25e21fbd93ca2390468e94dde1591a2053b0", 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 0.29s
[INFO] running `Command { std: "docker" "inspect" "6fd4de568bcaf5f4914cae5724fc25e21fbd93ca2390468e94dde1591a2053b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd4de568bcaf5f4914cae5724fc25e21fbd93ca2390468e94dde1591a2053b0", kill_on_drop: false }`
[INFO] [stdout] 6fd4de568bcaf5f4914cae5724fc25e21fbd93ca2390468e94dde1591a2053b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23043c800c45f8bfeec7a475e0d74e88f914668092d1c53dc64d05021c74232e
[INFO] running `Command { std: "docker" "start" "-a" "23043c800c45f8bfeec7a475e0d74e88f914668092d1c53dc64d05021c74232e", 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 0.83s
[INFO] running `Command { std: "docker" "inspect" "23043c800c45f8bfeec7a475e0d74e88f914668092d1c53dc64d05021c74232e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23043c800c45f8bfeec7a475e0d74e88f914668092d1c53dc64d05021c74232e", kill_on_drop: false }`
[INFO] [stdout] 23043c800c45f8bfeec7a475e0d74e88f914668092d1c53dc64d05021c74232e