[INFO] fetching crate file_locking 0.1.0...
[INFO] testing file_locking-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate file_locking 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate file_locking 0.1.0
[INFO] finished tweaking crates.io crate file_locking 0.1.0
[INFO] tweaked toml for crates.io crate file_locking 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate file_locking 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding windows-sys v0.59.0 (available: v0.61.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 319a3618474a6c830871c1d9253799654bc38152cdd3cd87362f02bfdfd15651
[INFO] running `Command { std: "docker" "start" "-a" "319a3618474a6c830871c1d9253799654bc38152cdd3cd87362f02bfdfd15651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "319a3618474a6c830871c1d9253799654bc38152cdd3cd87362f02bfdfd15651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319a3618474a6c830871c1d9253799654bc38152cdd3cd87362f02bfdfd15651", kill_on_drop: false }`
[INFO] [stdout] 319a3618474a6c830871c1d9253799654bc38152cdd3cd87362f02bfdfd15651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87b87363a28a72741845368b072c41254032f4d9dc4e8a23b91db3346dda316a
[INFO] running `Command { std: "docker" "start" "-a" "87b87363a28a72741845368b072c41254032f4d9dc4e8a23b91db3346dda316a", kill_on_drop: false }`
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling file_locking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "87b87363a28a72741845368b072c41254032f4d9dc4e8a23b91db3346dda316a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b87363a28a72741845368b072c41254032f4d9dc4e8a23b91db3346dda316a", kill_on_drop: false }`
[INFO] [stdout] 87b87363a28a72741845368b072c41254032f4d9dc4e8a23b91db3346dda316a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 671403e0ee4c762f141c5312ca30f1c1029f12553672e62619c3b0b9fd5cdc9c
[INFO] running `Command { std: "docker" "start" "-a" "671403e0ee4c762f141c5312ca30f1c1029f12553672e62619c3b0b9fd5cdc9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_locking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0369]: binary operation `!=` cannot be applied to type `std::fs::TryLockError`
[INFO] [stdout]    --> source/file_locking.rs:174:67
[INFO] [stdout]     |
[INFO] [stdout] 174 |         if result.expect_err("Second file lock should not be obtained") != Error::AlreadyLocked {
[INFO] [stdout]     |            ------------------------------------------------------------ ^^ -------------------- errors::Error
[INFO] [stdout]     |            |
[INFO] [stdout]     |            std::fs::TryLockError
[INFO] [stdout]     |
[INFO] [stdout] note: `std::fs::TryLockError` does not implement `PartialEq<errors::Error>`
[INFO] [stdout]    --> /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/fs.rs:145:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `std::fs::TryLockError` is defined in another crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `file_locking` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "671403e0ee4c762f141c5312ca30f1c1029f12553672e62619c3b0b9fd5cdc9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671403e0ee4c762f141c5312ca30f1c1029f12553672e62619c3b0b9fd5cdc9c", kill_on_drop: false }`
[INFO] [stdout] 671403e0ee4c762f141c5312ca30f1c1029f12553672e62619c3b0b9fd5cdc9c