[INFO] fetching crate proclock-api 0.2.2...
[INFO] checking proclock-api-0.2.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate proclock-api 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate proclock-api 0.2.2
[INFO] finished tweaking crates.io crate proclock-api 0.2.2
[INFO] tweaked toml for crates.io crate proclock-api 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proclock-api 0.2.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7d64b2e3d1b769831f1c0cc18cf8d5f0b17288c4b98c9ade4b8becebbde6f4a
[INFO] running `Command { std: "docker" "start" "-a" "b7d64b2e3d1b769831f1c0cc18cf8d5f0b17288c4b98c9ade4b8becebbde6f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7d64b2e3d1b769831f1c0cc18cf8d5f0b17288c4b98c9ade4b8becebbde6f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d64b2e3d1b769831f1c0cc18cf8d5f0b17288c4b98c9ade4b8becebbde6f4a", kill_on_drop: false }`
[INFO] [stdout] b7d64b2e3d1b769831f1c0cc18cf8d5f0b17288c4b98c9ade4b8becebbde6f4a
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b6bd8437c3effdb9663169285630a56365b45aea2e13f897c07f53155461366
[INFO] running `Command { std: "docker" "start" "-a" "5b6bd8437c3effdb9663169285630a56365b45aea2e13f897c07f53155461366", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking proclock-api v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs2::FileExt`
[INFO] [stdout]  --> src/lock_guard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fs2::FileExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stdout] warning: unused import: `fs2::FileExt`
[INFO] [stdout]  --> src/lock_guard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fs2::FileExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "5b6bd8437c3effdb9663169285630a56365b45aea2e13f897c07f53155461366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6bd8437c3effdb9663169285630a56365b45aea2e13f897c07f53155461366", kill_on_drop: false }`
[INFO] [stdout] 5b6bd8437c3effdb9663169285630a56365b45aea2e13f897c07f53155461366