[INFO] fetching crate thread-group 1.0.0...
[INFO] testing thread-group-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate thread-group 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate thread-group 1.0.0 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 thread-group 1.0.0
[INFO] finished tweaking crates.io crate thread-group 1.0.0
[INFO] tweaked toml for crates.io crate thread-group 1.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate thread-group 1.0.0 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1d2a202f9ecd649c5db65092cf9f40287d91562e2062c2e20efbfdcbc78f501f
[INFO] running `Command { std: "docker" "start" "-a" "1d2a202f9ecd649c5db65092cf9f40287d91562e2062c2e20efbfdcbc78f501f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d2a202f9ecd649c5db65092cf9f40287d91562e2062c2e20efbfdcbc78f501f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2a202f9ecd649c5db65092cf9f40287d91562e2062c2e20efbfdcbc78f501f", kill_on_drop: false }`
[INFO] [stdout] 1d2a202f9ecd649c5db65092cf9f40287d91562e2062c2e20efbfdcbc78f501f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 22edab86180fdf03295dbb3cf1fb1cfa5d3b00e547e613e797b9932e1566fdef
[INFO] running `Command { std: "docker" "start" "-a" "22edab86180fdf03295dbb3cf1fb1cfa5d3b00e547e613e797b9932e1566fdef", 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] [stderr]    Compiling thread-group v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `ScopedJoinHandle` in this scope
[INFO] [stdout]    --> src/thread_group.rs:244:35
[INFO] [stdout]     |
[INFO] [stdout] 244 |         impl<T> JoinHandleExt for ScopedJoinHandle<'_, T> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^ not found in this scope
[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 E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thread-group` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "22edab86180fdf03295dbb3cf1fb1cfa5d3b00e547e613e797b9932e1566fdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22edab86180fdf03295dbb3cf1fb1cfa5d3b00e547e613e797b9932e1566fdef", kill_on_drop: false }`
[INFO] [stdout] 22edab86180fdf03295dbb3cf1fb1cfa5d3b00e547e613e797b9932e1566fdef