[INFO] fetching crate mime_serde_shim 0.2.2...
[INFO] testing mime_serde_shim-0.2.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mime_serde_shim 0.2.2 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate mime_serde_shim 0.2.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e5acf371fd63f0c137e86086ce38900ca4169a4adbe36e5f385cd2f202a0913
[INFO] running `Command { std: "docker" "start" "-a" "3e5acf371fd63f0c137e86086ce38900ca4169a4adbe36e5f385cd2f202a0913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e5acf371fd63f0c137e86086ce38900ca4169a4adbe36e5f385cd2f202a0913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5acf371fd63f0c137e86086ce38900ca4169a4adbe36e5f385cd2f202a0913", kill_on_drop: false }`
[INFO] [stdout] 3e5acf371fd63f0c137e86086ce38900ca4169a4adbe36e5f385cd2f202a0913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e51568af609a7c9d99aac0f6b4f6e9f3796b7243d8887ee9fd71b535905a9d4
[INFO] running `Command { std: "docker" "start" "-a" "4e51568af609a7c9d99aac0f6b4f6e9f3796b7243d8887ee9fd71b535905a9d4", kill_on_drop: false }`
[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 0.80s
[INFO] running `Command { std: "docker" "inspect" "4e51568af609a7c9d99aac0f6b4f6e9f3796b7243d8887ee9fd71b535905a9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e51568af609a7c9d99aac0f6b4f6e9f3796b7243d8887ee9fd71b535905a9d4", kill_on_drop: false }`
[INFO] [stdout] 4e51568af609a7c9d99aac0f6b4f6e9f3796b7243d8887ee9fd71b535905a9d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af5fba131bd716b554c1ccf40322d597d9003dd4304b9f366c62329f1939e6e8
[INFO] running `Command { std: "docker" "start" "-a" "af5fba131bd716b554c1ccf40322d597d9003dd4304b9f366c62329f1939e6e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mime_serde_shim v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "af5fba131bd716b554c1ccf40322d597d9003dd4304b9f366c62329f1939e6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5fba131bd716b554c1ccf40322d597d9003dd4304b9f366c62329f1939e6e8", kill_on_drop: false }`
[INFO] [stdout] af5fba131bd716b554c1ccf40322d597d9003dd4304b9f366c62329f1939e6e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef5f8fda34510c519d6eb25a5dbfa6304536cc468ccc97847f692294d1ba639f
[INFO] running `Command { std: "docker" "start" "-a" "ef5f8fda34510c519d6eb25a5dbfa6304536cc468ccc97847f692294d1ba639f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mime_serde_shim-3da2895023e25526)
[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 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... 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" "ef5f8fda34510c519d6eb25a5dbfa6304536cc468ccc97847f692294d1ba639f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5f8fda34510c519d6eb25a5dbfa6304536cc468ccc97847f692294d1ba639f", kill_on_drop: false }`
[INFO] [stdout] ef5f8fda34510c519d6eb25a5dbfa6304536cc468ccc97847f692294d1ba639f