[INFO] fetching crate mime_serde_shim 0.2.2...
[INFO] testing mime_serde_shim-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mime_serde_shim 0.2.2 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate mime_serde_shim 0.2.2 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 mime_serde_shim 0.2.2
[INFO] finished tweaking crates.io crate mime_serde_shim 0.2.2
[INFO] tweaked toml for crates.io crate mime_serde_shim 0.2.2 written to /workspace/builds/worker-89/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] e3a253801694f51ccf245ee803288ed598f392be2b9a6bd158f1047dc30c183d
[INFO] running `Command { std: "docker" "start" "-a" "e3a253801694f51ccf245ee803288ed598f392be2b9a6bd158f1047dc30c183d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a253801694f51ccf245ee803288ed598f392be2b9a6bd158f1047dc30c183d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a253801694f51ccf245ee803288ed598f392be2b9a6bd158f1047dc30c183d", kill_on_drop: false }`
[INFO] [stdout] e3a253801694f51ccf245ee803288ed598f392be2b9a6bd158f1047dc30c183d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 6b5b87f906d4c90a9f95d6c0f7390e09b9ae1d6e6f4fc5822d070e60397ecf3d
[INFO] running `Command { std: "docker" "start" "-a" "6b5b87f906d4c90a9f95d6c0f7390e09b9ae1d6e6f4fc5822d070e60397ecf3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling mime_serde_shim v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "6b5b87f906d4c90a9f95d6c0f7390e09b9ae1d6e6f4fc5822d070e60397ecf3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5b87f906d4c90a9f95d6c0f7390e09b9ae1d6e6f4fc5822d070e60397ecf3d", kill_on_drop: false }`
[INFO] [stdout] 6b5b87f906d4c90a9f95d6c0f7390e09b9ae1d6e6f4fc5822d070e60397ecf3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 18583e21371fa2245e4ab4a7193c586abfc664d0b2496bc362a2c8c69cab9331
[INFO] running `Command { std: "docker" "start" "-a" "18583e21371fa2245e4ab4a7193c586abfc664d0b2496bc362a2c8c69cab9331", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling mime_serde_shim v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.30s
[INFO] running `Command { std: "docker" "inspect" "18583e21371fa2245e4ab4a7193c586abfc664d0b2496bc362a2c8c69cab9331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18583e21371fa2245e4ab4a7193c586abfc664d0b2496bc362a2c8c69cab9331", kill_on_drop: false }`
[INFO] [stdout] 18583e21371fa2245e4ab4a7193c586abfc664d0b2496bc362a2c8c69cab9331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] a8ad0be6558cb401d38e5514ea39fd401320bc045de230bc77711366aef1bd9a
[INFO] running `Command { std: "docker" "start" "-a" "a8ad0be6558cb401d38e5514ea39fd401320bc045de230bc77711366aef1bd9a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mime_serde_shim-351f8cd75ad91012)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mime_serde_shim
[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 2 tests
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a8ad0be6558cb401d38e5514ea39fd401320bc045de230bc77711366aef1bd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ad0be6558cb401d38e5514ea39fd401320bc045de230bc77711366aef1bd9a", kill_on_drop: false }`
[INFO] [stdout] a8ad0be6558cb401d38e5514ea39fd401320bc045de230bc77711366aef1bd9a