[INFO] fetching crate file_locking 0.1.0...
[INFO] testing file_locking-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[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 b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding windows-sys v0.59.0 (available: v0.60.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77a52703bd2eb2ce529f9982bd888b4f49cae176eb861ef8f136151a21538704
[INFO] running `Command { std: "docker" "start" "-a" "77a52703bd2eb2ce529f9982bd888b4f49cae176eb861ef8f136151a21538704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a52703bd2eb2ce529f9982bd888b4f49cae176eb861ef8f136151a21538704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a52703bd2eb2ce529f9982bd888b4f49cae176eb861ef8f136151a21538704", kill_on_drop: false }`
[INFO] [stdout] 77a52703bd2eb2ce529f9982bd888b4f49cae176eb861ef8f136151a21538704
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 170b40a50752be9fa89a28bfd385367673c0248e526653a11678960235b887fc
[INFO] running `Command { std: "docker" "start" "-a" "170b40a50752be9fa89a28bfd385367673c0248e526653a11678960235b887fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling errno v0.3.13
[INFO] [stderr]    Compiling file_locking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "170b40a50752be9fa89a28bfd385367673c0248e526653a11678960235b887fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170b40a50752be9fa89a28bfd385367673c0248e526653a11678960235b887fc", kill_on_drop: false }`
[INFO] [stdout] 170b40a50752be9fa89a28bfd385367673c0248e526653a11678960235b887fc
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b49e0877fbb0ca20b57a73f9185c2afd1655549ff07903c7378dc73c31d43da
[INFO] running `Command { std: "docker" "start" "-a" "4b49e0877fbb0ca20b57a73f9185c2afd1655549ff07903c7378dc73c31d43da", 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: the foreign item type `std::fs::TryLockError` doesn't implement `PartialEq<errors::Error>`
[INFO] [stdout]    --> /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/fs.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<errors::Error>`
[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" "4b49e0877fbb0ca20b57a73f9185c2afd1655549ff07903c7378dc73c31d43da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b49e0877fbb0ca20b57a73f9185c2afd1655549ff07903c7378dc73c31d43da", kill_on_drop: false }`
[INFO] [stdout] 4b49e0877fbb0ca20b57a73f9185c2afd1655549ff07903c7378dc73c31d43da