[INFO] fetching crate file_locking 0.1.0...
[INFO] checking file_locking-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate file_locking 0.1.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate file_locking 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de7b63bc61c22f4c5086344b253e282ff340d6fb2118baf294985cb563d5636e
[INFO] running `Command { std: "docker" "start" "-a" "de7b63bc61c22f4c5086344b253e282ff340d6fb2118baf294985cb563d5636e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de7b63bc61c22f4c5086344b253e282ff340d6fb2118baf294985cb563d5636e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7b63bc61c22f4c5086344b253e282ff340d6fb2118baf294985cb563d5636e", kill_on_drop: false }`
[INFO] [stdout] de7b63bc61c22f4c5086344b253e282ff340d6fb2118baf294985cb563d5636e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e00d338ffd43524df145044ed46027d166fe5233b99becfa4d426cd441aa901
[INFO] running `Command { std: "docker" "start" "-a" "7e00d338ffd43524df145044ed46027d166fe5233b99becfa4d426cd441aa901", kill_on_drop: false }`
[INFO] [stderr]     Checking errno v0.3.13
[INFO] [stderr]     Checking 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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/library/std/src/fs.rs:125:1
[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" "7e00d338ffd43524df145044ed46027d166fe5233b99becfa4d426cd441aa901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e00d338ffd43524df145044ed46027d166fe5233b99becfa4d426cd441aa901", kill_on_drop: false }`
[INFO] [stdout] 7e00d338ffd43524df145044ed46027d166fe5233b99becfa4d426cd441aa901