[INFO] fetching crate webworker 0.1.4...
[INFO] checking webworker-0.1.4 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate webworker 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate webworker 0.1.4 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webworker 0.1.4
[INFO] finished tweaking crates.io crate webworker 0.1.4
[INFO] tweaked toml for crates.io crate webworker 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 841236a07b9f39822da79825f591eecf8218a1b335886e5e83d8c0a727ba145f
[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" "841236a07b9f39822da79825f591eecf8218a1b335886e5e83d8c0a727ba145f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "841236a07b9f39822da79825f591eecf8218a1b335886e5e83d8c0a727ba145f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841236a07b9f39822da79825f591eecf8218a1b335886e5e83d8c0a727ba145f", kill_on_drop: false }`
[INFO] [stdout] 841236a07b9f39822da79825f591eecf8218a1b335886e5e83d8c0a727ba145f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfc0b0e96a209f36b75ed7d627ecc9b38c575e28e7afd0144e16cc0b87e085f2
[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" "dfc0b0e96a209f36b75ed7d627ecc9b38c575e28e7afd0144e16cc0b87e085f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.8.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]     Checking path-tree v0.1.12
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.28
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]     Checking js-sys v0.3.55
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.55
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.28
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.28
[INFO] [stderr]     Checking webworker v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.98s
[INFO] running `Command { std: "docker" "inspect" "dfc0b0e96a209f36b75ed7d627ecc9b38c575e28e7afd0144e16cc0b87e085f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc0b0e96a209f36b75ed7d627ecc9b38c575e28e7afd0144e16cc0b87e085f2", kill_on_drop: false }`
[INFO] [stdout] dfc0b0e96a209f36b75ed7d627ecc9b38c575e28e7afd0144e16cc0b87e085f2