[INFO] fetching crate leaky-bucket 0.11.0...
[INFO] checking leaky-bucket-0.11.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate leaky-bucket 0.11.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate leaky-bucket 0.11.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-0/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 352315bd3745c26ab62189130470e3714dd81cedbcf909ee05ba8a46950a61e7
[INFO] running `Command { std: "docker" "start" "-a" "352315bd3745c26ab62189130470e3714dd81cedbcf909ee05ba8a46950a61e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "352315bd3745c26ab62189130470e3714dd81cedbcf909ee05ba8a46950a61e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352315bd3745c26ab62189130470e3714dd81cedbcf909ee05ba8a46950a61e7", kill_on_drop: false }`
[INFO] [stdout] 352315bd3745c26ab62189130470e3714dd81cedbcf909ee05ba8a46950a61e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9ad29d2371c6ca74acd7d5580f95252af1b63aca33dc0ab62bdcb3cfeeeac7b
[INFO] running `Command { std: "docker" "start" "-a" "f9ad29d2371c6ca74acd7d5580f95252af1b63aca33dc0ab62bdcb3cfeeeac7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking anyhow v1.0.40
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking leaky-bucket v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[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] [stderr] error: could not compile `leaky-bucket`
[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] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[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/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] [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" "f9ad29d2371c6ca74acd7d5580f95252af1b63aca33dc0ab62bdcb3cfeeeac7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ad29d2371c6ca74acd7d5580f95252af1b63aca33dc0ab62bdcb3cfeeeac7b", kill_on_drop: false }`
[INFO] [stdout] f9ad29d2371c6ca74acd7d5580f95252af1b63aca33dc0ab62bdcb3cfeeeac7b