[INFO] cloning repository https://github.com/xiuxiu62/task-lock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiuxiu62/task-lock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiuxiu62%2Ftask-lock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiuxiu62%2Ftask-lock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c05a609a8b2621a842d63a1aaa0fd84ef755ad30
[INFO] checking xiuxiu62/task-lock against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiuxiu62%2Ftask-lock" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiuxiu62/task-lock on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xiuxiu62/task-lock
[INFO] finished tweaking git repo https://github.com/xiuxiu62/task-lock
[INFO] tweaked toml for git repo https://github.com/xiuxiu62/task-lock written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xiuxiu62/task-lock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7807b87e175b4ea4f6c01bb3be14aba905f57603cc42f114dbd631c03b3ec90c
[INFO] running `Command { std: "docker" "start" "-a" "7807b87e175b4ea4f6c01bb3be14aba905f57603cc42f114dbd631c03b3ec90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7807b87e175b4ea4f6c01bb3be14aba905f57603cc42f114dbd631c03b3ec90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7807b87e175b4ea4f6c01bb3be14aba905f57603cc42f114dbd631c03b3ec90c", kill_on_drop: false }`
[INFO] [stdout] 7807b87e175b4ea4f6c01bb3be14aba905f57603cc42f114dbd631c03b3ec90c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23701fcf6c32d7edcb82484ff3ec4f0201867c9bc8f37fd39a34d8f1b59dbc09
[INFO] running `Command { std: "docker" "start" "-a" "23701fcf6c32d7edcb82484ff3ec4f0201867c9bc8f37fd39a34d8f1b59dbc09", kill_on_drop: false }`
[INFO] [stderr]     Checking rwlock_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `lock` in this scope
[INFO] [stdout]   --> src/lib.rs:41:49
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let handle = thread::spawn(move || task(lock));
[INFO] [stdout]    |                                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `count` in this scope
[INFO] [stdout]   --> src/lib.rs:68:57
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 println!("thread {} {{ inner: {:?} }}", count, lock);
[INFO] [stdout]    |                                                         ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lock` in this scope
[INFO] [stdout]   --> src/lib.rs:41:49
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let handle = thread::spawn(move || task(lock));
[INFO] [stdout]    |                                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rwlock_practice` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rwlock_practice` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "23701fcf6c32d7edcb82484ff3ec4f0201867c9bc8f37fd39a34d8f1b59dbc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23701fcf6c32d7edcb82484ff3ec4f0201867c9bc8f37fd39a34d8f1b59dbc09", kill_on_drop: false }`
[INFO] [stdout] 23701fcf6c32d7edcb82484ff3ec4f0201867c9bc8f37fd39a34d8f1b59dbc09