[INFO] fetching crate web_worker 0.3.0...
[INFO] checking web_worker-0.3.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate web_worker 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate web_worker 0.3.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web_worker 0.3.0
[INFO] finished tweaking crates.io crate web_worker 0.3.0
[INFO] tweaked toml for crates.io crate web_worker 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7050285e82e5a78d64993e2631cc16de1ee6bb40b0fa4ae14fddf46c6e9f74b
[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" "f7050285e82e5a78d64993e2631cc16de1ee6bb40b0fa4ae14fddf46c6e9f74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7050285e82e5a78d64993e2631cc16de1ee6bb40b0fa4ae14fddf46c6e9f74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7050285e82e5a78d64993e2631cc16de1ee6bb40b0fa4ae14fddf46c6e9f74b", kill_on_drop: false }`
[INFO] [stdout] f7050285e82e5a78d64993e2631cc16de1ee6bb40b0fa4ae14fddf46c6e9f74b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1e7c5a0dc0717a3c8abd63aecb3584f198bd09f26f16dd05dcae17f1c9ed78c
[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" "a1e7c5a0dc0717a3c8abd63aecb3584f198bd09f26f16dd05dcae17f1c9ed78c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.72
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.72
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.72
[INFO] [stderr]     Checking wasm-bindgen v0.2.72
[INFO] [stderr]     Checking js-sys v0.3.49
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.49
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.22
[INFO] [stderr]     Checking web_worker v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.76s
[INFO] running `Command { std: "docker" "inspect" "a1e7c5a0dc0717a3c8abd63aecb3584f198bd09f26f16dd05dcae17f1c9ed78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e7c5a0dc0717a3c8abd63aecb3584f198bd09f26f16dd05dcae17f1c9ed78c", kill_on_drop: false }`
[INFO] [stdout] a1e7c5a0dc0717a3c8abd63aecb3584f198bd09f26f16dd05dcae17f1c9ed78c