[INFO] fetching crate wasm-bindgen-backend 0.2.74...
[INFO] testing wasm-bindgen-backend-0.2.74 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate wasm-bindgen-backend 0.2.74 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wasm-bindgen-backend 0.2.74 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-bindgen-backend 0.2.74
[INFO] finished tweaking crates.io crate wasm-bindgen-backend 0.2.74
[INFO] tweaked toml for crates.io crate wasm-bindgen-backend 0.2.74 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 778f4bb2f2a1862123f132b218b43381228895354e5138456d08da247d4480be
[INFO] running `Command { std: "docker" "start" "-a" "778f4bb2f2a1862123f132b218b43381228895354e5138456d08da247d4480be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778f4bb2f2a1862123f132b218b43381228895354e5138456d08da247d4480be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778f4bb2f2a1862123f132b218b43381228895354e5138456d08da247d4480be", kill_on_drop: false }`
[INFO] [stdout] 778f4bb2f2a1862123f132b218b43381228895354e5138456d08da247d4480be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be3c7f52dd5a94b40b822d6be158c47020352a71247a7d44d3353d3618d52aac
[INFO] running `Command { std: "docker" "start" "-a" "be3c7f52dd5a94b40b822d6be158c47020352a71247a7d44d3353d3618d52aac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.69s
[INFO] running `Command { std: "docker" "inspect" "be3c7f52dd5a94b40b822d6be158c47020352a71247a7d44d3353d3618d52aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3c7f52dd5a94b40b822d6be158c47020352a71247a7d44d3353d3618d52aac", kill_on_drop: false }`
[INFO] [stdout] be3c7f52dd5a94b40b822d6be158c47020352a71247a7d44d3353d3618d52aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 563adc0bedd499bf9fe4091cd5e6316569212332b656b9d6d2f0c2ec64feeae8
[INFO] running `Command { std: "docker" "start" "-a" "563adc0bedd499bf9fe4091cd5e6316569212332b656b9d6d2f0c2ec64feeae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "563adc0bedd499bf9fe4091cd5e6316569212332b656b9d6d2f0c2ec64feeae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563adc0bedd499bf9fe4091cd5e6316569212332b656b9d6d2f0c2ec64feeae8", kill_on_drop: false }`
[INFO] [stdout] 563adc0bedd499bf9fe4091cd5e6316569212332b656b9d6d2f0c2ec64feeae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eedb7e59cc5477d898b1ab4dd4514af47e0a74df20bf2ee948a610f18c7f9b6a
[INFO] running `Command { std: "docker" "start" "-a" "eedb7e59cc5477d898b1ab4dd4514af47e0a74df20bf2ee948a610f18c7f9b6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wasm_bindgen_backend-fd79114f59af9caa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasm-bindgen-backend
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eedb7e59cc5477d898b1ab4dd4514af47e0a74df20bf2ee948a610f18c7f9b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eedb7e59cc5477d898b1ab4dd4514af47e0a74df20bf2ee948a610f18c7f9b6a", kill_on_drop: false }`
[INFO] [stdout] eedb7e59cc5477d898b1ab4dd4514af47e0a74df20bf2ee948a610f18c7f9b6a