[INFO] fetching crate mime_serde_shim 0.2.2...
[INFO] checking mime_serde_shim-0.2.2 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate mime_serde_shim 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mime_serde_shim 0.2.2 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c853445ef17986846edef4bcf2fc054ccee88265ec1063e3d9d5804c358fb86f
[INFO] running `Command { std: "docker" "start" "-a" "c853445ef17986846edef4bcf2fc054ccee88265ec1063e3d9d5804c358fb86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c853445ef17986846edef4bcf2fc054ccee88265ec1063e3d9d5804c358fb86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c853445ef17986846edef4bcf2fc054ccee88265ec1063e3d9d5804c358fb86f", kill_on_drop: false }`
[INFO] [stdout] c853445ef17986846edef4bcf2fc054ccee88265ec1063e3d9d5804c358fb86f
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9322a960ad53573a1fff17a806cc6b69ad72cf07b7518b28bf83f4ff0427807f
[INFO] running `Command { std: "docker" "start" "-a" "9322a960ad53573a1fff17a806cc6b69ad72cf07b7518b28bf83f4ff0427807f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking mime_serde_shim v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "9322a960ad53573a1fff17a806cc6b69ad72cf07b7518b28bf83f4ff0427807f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9322a960ad53573a1fff17a806cc6b69ad72cf07b7518b28bf83f4ff0427807f", kill_on_drop: false }`
[INFO] [stdout] 9322a960ad53573a1fff17a806cc6b69ad72cf07b7518b28bf83f4ff0427807f