[INFO] fetching crate web-midi 0.1.0...
[INFO] testing web-midi-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate web-midi 0.1.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate web-midi 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web-midi 0.1.0
[INFO] finished tweaking crates.io crate web-midi 0.1.0
[INFO] tweaked toml for crates.io crate web-midi 0.1.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1259703a2480f56728e800a4ec6f7ba6884632ac1428b690daaf8b14acf936fb
[INFO] running `Command { std: "docker" "start" "-a" "1259703a2480f56728e800a4ec6f7ba6884632ac1428b690daaf8b14acf936fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1259703a2480f56728e800a4ec6f7ba6884632ac1428b690daaf8b14acf936fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1259703a2480f56728e800a4ec6f7ba6884632ac1428b690daaf8b14acf936fb", kill_on_drop: false }`
[INFO] [stdout] 1259703a2480f56728e800a4ec6f7ba6884632ac1428b690daaf8b14acf936fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fc13ad4b05ad0b77a87ae81a705ced70c1f0dbd8782091de9d5f18b8031bdde
[INFO] running `Command { std: "docker" "start" "-a" "2fc13ad4b05ad0b77a87ae81a705ced70c1f0dbd8782091de9d5f18b8031bdde", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling js-sys v0.3.55
[INFO] [stderr]    Compiling web-sys v0.3.55
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.28
[INFO] [stderr]    Compiling web-midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.95s
[INFO] running `Command { std: "docker" "inspect" "2fc13ad4b05ad0b77a87ae81a705ced70c1f0dbd8782091de9d5f18b8031bdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc13ad4b05ad0b77a87ae81a705ced70c1f0dbd8782091de9d5f18b8031bdde", kill_on_drop: false }`
[INFO] [stdout] 2fc13ad4b05ad0b77a87ae81a705ced70c1f0dbd8782091de9d5f18b8031bdde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d4ee10ae796902eb83e61ff2a24a36addf42ceda68fae9a8413a26d47331343
[INFO] running `Command { std: "docker" "start" "-a" "5d4ee10ae796902eb83e61ff2a24a36addf42ceda68fae9a8413a26d47331343", kill_on_drop: false }`
[INFO] [stderr]    Compiling web-midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "5d4ee10ae796902eb83e61ff2a24a36addf42ceda68fae9a8413a26d47331343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4ee10ae796902eb83e61ff2a24a36addf42ceda68fae9a8413a26d47331343", kill_on_drop: false }`
[INFO] [stdout] 5d4ee10ae796902eb83e61ff2a24a36addf42ceda68fae9a8413a26d47331343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ba216f0b6afe0d9ee3c502d97b598faef7e030ed7b4e9f65d2828d2d7e869cd
[INFO] running `Command { std: "docker" "start" "-a" "4ba216f0b6afe0d9ee3c502d97b598faef7e030ed7b4e9f65d2828d2d7e869cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_midi-5b88b9988a0de551)
[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 web-midi
[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" "4ba216f0b6afe0d9ee3c502d97b598faef7e030ed7b4e9f65d2828d2d7e869cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba216f0b6afe0d9ee3c502d97b598faef7e030ed7b4e9f65d2828d2d7e869cd", kill_on_drop: false }`
[INFO] [stdout] 4ba216f0b6afe0d9ee3c502d97b598faef7e030ed7b4e9f65d2828d2d7e869cd