[INFO] fetching crate cachedir 0.3.0...
[INFO] testing cachedir-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cachedir 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cachedir 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cachedir 0.3.0
[INFO] finished tweaking crates.io crate cachedir 0.3.0
[INFO] tweaked toml for crates.io crate cachedir 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate cachedir 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528e256bba58e6c06b3c5d6df48417b60f1ab76f23c93c3647c5f786f7466ebe
[INFO] running `Command { std: "docker" "start" "-a" "528e256bba58e6c06b3c5d6df48417b60f1ab76f23c93c3647c5f786f7466ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528e256bba58e6c06b3c5d6df48417b60f1ab76f23c93c3647c5f786f7466ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528e256bba58e6c06b3c5d6df48417b60f1ab76f23c93c3647c5f786f7466ebe", kill_on_drop: false }`
[INFO] [stdout] 528e256bba58e6c06b3c5d6df48417b60f1ab76f23c93c3647c5f786f7466ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 196dcb2e7aa0ceb9627f939459370c84020d5bd182306eee1af5656d752fe3e5
[INFO] running `Command { std: "docker" "start" "-a" "196dcb2e7aa0ceb9627f939459370c84020d5bd182306eee1af5656d752fe3e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling cachedir v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "196dcb2e7aa0ceb9627f939459370c84020d5bd182306eee1af5656d752fe3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "196dcb2e7aa0ceb9627f939459370c84020d5bd182306eee1af5656d752fe3e5", kill_on_drop: false }`
[INFO] [stdout] 196dcb2e7aa0ceb9627f939459370c84020d5bd182306eee1af5656d752fe3e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c64c6b9514141141266f232d8848f5c9bee0bccda3933d88ff099eba9885f882
[INFO] running `Command { std: "docker" "start" "-a" "c64c6b9514141141266f232d8848f5c9bee0bccda3933d88ff099eba9885f882", kill_on_drop: false }`
[INFO] [stderr]    Compiling cachedir v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `thread`
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         thread::spawn(move || mkdir_atomic(cache))
[INFO] [stdout]     |         ^^^^^^ use of undeclared crate or module `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cachedir` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c64c6b9514141141266f232d8848f5c9bee0bccda3933d88ff099eba9885f882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c64c6b9514141141266f232d8848f5c9bee0bccda3933d88ff099eba9885f882", kill_on_drop: false }`
[INFO] [stdout] c64c6b9514141141266f232d8848f5c9bee0bccda3933d88ff099eba9885f882