[INFO] fetching crate web-midi 0.1.0...
[INFO] testing web-midi-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate web-midi 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate web-midi 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63ca1dff49c6d670846bd9965c29e4e1875e53c64eb035edc922249c1d41506e
[INFO] running `Command { std: "docker" "start" "-a" "63ca1dff49c6d670846bd9965c29e4e1875e53c64eb035edc922249c1d41506e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63ca1dff49c6d670846bd9965c29e4e1875e53c64eb035edc922249c1d41506e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ca1dff49c6d670846bd9965c29e4e1875e53c64eb035edc922249c1d41506e", kill_on_drop: false }`
[INFO] [stdout] 63ca1dff49c6d670846bd9965c29e4e1875e53c64eb035edc922249c1d41506e
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac45ae2a686ad131a6122d2110fc5181e37f0ab37d5c98574a8897bc6056eeb1
[INFO] running `Command { std: "docker" "start" "-a" "ac45ae2a686ad131a6122d2110fc5181e37f0ab37d5c98574a8897bc6056eeb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.77
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.77
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.77
[INFO] [stderr]    Compiling js-sys v0.3.54
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.27
[INFO] [stderr]    Compiling web-sys v0.3.54
[INFO] [stderr]    Compiling web-midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.72s
[INFO] running `Command { std: "docker" "inspect" "ac45ae2a686ad131a6122d2110fc5181e37f0ab37d5c98574a8897bc6056eeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac45ae2a686ad131a6122d2110fc5181e37f0ab37d5c98574a8897bc6056eeb1", kill_on_drop: false }`
[INFO] [stdout] ac45ae2a686ad131a6122d2110fc5181e37f0ab37d5c98574a8897bc6056eeb1
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bd8c9037a056ae29814f1053f67b53a58ab2dd44c8a83a4843f6c16869268e7
[INFO] running `Command { std: "docker" "start" "-a" "9bd8c9037a056ae29814f1053f67b53a58ab2dd44c8a83a4843f6c16869268e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling web-midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "9bd8c9037a056ae29814f1053f67b53a58ab2dd44c8a83a4843f6c16869268e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd8c9037a056ae29814f1053f67b53a58ab2dd44c8a83a4843f6c16869268e7", kill_on_drop: false }`
[INFO] [stdout] 9bd8c9037a056ae29814f1053f67b53a58ab2dd44c8a83a4843f6c16869268e7
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d018eb7af74aa11c633628e6c0d43c55969ea91ea8a44b6f3c20b07335529f7
[INFO] running `Command { std: "docker" "start" "-a" "7d018eb7af74aa11c633628e6c0d43c55969ea91ea8a44b6f3c20b07335529f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_midi-4640688518773aa0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests web-midi
[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] [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" "7d018eb7af74aa11c633628e6c0d43c55969ea91ea8a44b6f3c20b07335529f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d018eb7af74aa11c633628e6c0d43c55969ea91ea8a44b6f3c20b07335529f7", kill_on_drop: false }`
[INFO] [stdout] 7d018eb7af74aa11c633628e6c0d43c55969ea91ea8a44b6f3c20b07335529f7