[INFO] fetching crate leaky-bucket 0.11.0...
[INFO] testing leaky-bucket-0.11.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate leaky-bucket 0.11.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate leaky-bucket 0.11.0 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 leaky-bucket 0.11.0
[INFO] finished tweaking crates.io crate leaky-bucket 0.11.0
[INFO] tweaked toml for crates.io crate leaky-bucket 0.11.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate leaky-bucket 0.11.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.5.1
[INFO] [stderr]   Downloaded futures v0.3.15
[INFO] [stderr]   Downloaded tokio v1.6.1
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfdace856730304e69560ed31d0e8f4f3cc879917f045d0ab8e03ab36e89160f
[INFO] running `Command { std: "docker" "start" "-a" "cfdace856730304e69560ed31d0e8f4f3cc879917f045d0ab8e03ab36e89160f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfdace856730304e69560ed31d0e8f4f3cc879917f045d0ab8e03ab36e89160f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdace856730304e69560ed31d0e8f4f3cc879917f045d0ab8e03ab36e89160f", kill_on_drop: false }`
[INFO] [stdout] cfdace856730304e69560ed31d0e8f4f3cc879917f045d0ab8e03ab36e89160f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f8bf7302d6ddd1c4c73ab6069d895717e411c3155683803912d50cdeaf9e1601
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f8bf7302d6ddd1c4c73ab6069d895717e411c3155683803912d50cdeaf9e1601", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling leaky-bucket v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "f8bf7302d6ddd1c4c73ab6069d895717e411c3155683803912d50cdeaf9e1601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bf7302d6ddd1c4c73ab6069d895717e411c3155683803912d50cdeaf9e1601", kill_on_drop: false }`
[INFO] [stdout] f8bf7302d6ddd1c4c73ab6069d895717e411c3155683803912d50cdeaf9e1601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5ade7921229a23eb61647b6770e252ae2f4de722e3f5fe92575c05e16eb3ae94
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ade7921229a23eb61647b6770e252ae2f4de722e3f5fe92575c05e16eb3ae94", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling leaky-bucket v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `helpers`
[INFO] [stdout]  --> examples/basic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     helpers::init_logging();
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `helpers`
[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 `leaky-bucket` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `helpers`
[INFO] [stdout]  --> examples/over-max.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     helpers::init_logging();
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `helpers`
[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] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `helpers`
[INFO] [stdout]  --> examples/threaded.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     helpers::init_logging();
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `helpers`
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "5ade7921229a23eb61647b6770e252ae2f4de722e3f5fe92575c05e16eb3ae94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ade7921229a23eb61647b6770e252ae2f4de722e3f5fe92575c05e16eb3ae94", kill_on_drop: false }`
[INFO] [stdout] 5ade7921229a23eb61647b6770e252ae2f4de722e3f5fe92575c05e16eb3ae94