[INFO] fetching crate same-file 1.0.6...
[INFO] building same-file-1.0.6 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate same-file 1.0.6 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate same-file 1.0.6 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ca1d01600c63e0751fabe644998ff5bde1ceff1b7602e70b36b334c469ab901
[INFO] running `Command { std: "docker" "start" "-a" "3ca1d01600c63e0751fabe644998ff5bde1ceff1b7602e70b36b334c469ab901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ca1d01600c63e0751fabe644998ff5bde1ceff1b7602e70b36b334c469ab901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca1d01600c63e0751fabe644998ff5bde1ceff1b7602e70b36b334c469ab901", kill_on_drop: false }`
[INFO] [stdout] 3ca1d01600c63e0751fabe644998ff5bde1ceff1b7602e70b36b334c469ab901
[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" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b90bfdae5fd6e772302602a39f5b8449f652537c5d0ba0679fc253f2cf391fa1
[INFO] running `Command { std: "docker" "start" "-a" "b90bfdae5fd6e772302602a39f5b8449f652537c5d0ba0679fc253f2cf391fa1", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "b90bfdae5fd6e772302602a39f5b8449f652537c5d0ba0679fc253f2cf391fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90bfdae5fd6e772302602a39f5b8449f652537c5d0ba0679fc253f2cf391fa1", kill_on_drop: false }`
[INFO] [stdout] b90bfdae5fd6e772302602a39f5b8449f652537c5d0ba0679fc253f2cf391fa1
[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" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b63e5870ebea335621fe096ef0539f2c07eb4fca4e765797da1f5e2895383f8
[INFO] running `Command { std: "docker" "start" "-a" "4b63e5870ebea335621fe096ef0539f2c07eb4fca4e765797da1f5e2895383f8", 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 0.74s
[INFO] running `Command { std: "docker" "inspect" "4b63e5870ebea335621fe096ef0539f2c07eb4fca4e765797da1f5e2895383f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b63e5870ebea335621fe096ef0539f2c07eb4fca4e765797da1f5e2895383f8", kill_on_drop: false }`
[INFO] [stdout] 4b63e5870ebea335621fe096ef0539f2c07eb4fca4e765797da1f5e2895383f8