[INFO] fetching crate serde_utils 0.6.2...
[INFO] checking serde_utils-0.6.2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate serde_utils 0.6.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde_utils 0.6.2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_utils 0.6.2
[INFO] finished tweaking crates.io crate serde_utils 0.6.2
[INFO] tweaked toml for crates.io crate serde_utils 0.6.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 333ecd1934b51bba7f5ac1715d49c11fd60f3a73dfe31a869ba33c23c415080d
[INFO] running `Command { std: "docker" "start" "-a" "333ecd1934b51bba7f5ac1715d49c11fd60f3a73dfe31a869ba33c23c415080d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "333ecd1934b51bba7f5ac1715d49c11fd60f3a73dfe31a869ba33c23c415080d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333ecd1934b51bba7f5ac1715d49c11fd60f3a73dfe31a869ba33c23c415080d", kill_on_drop: false }`
[INFO] [stdout] 333ecd1934b51bba7f5ac1715d49c11fd60f3a73dfe31a869ba33c23c415080d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2a6d6dd3b31932bee2253a7e97084a13db4adfb6bfc7a7204e6ae25c5f7916c
[INFO] running `Command { std: "docker" "start" "-a" "e2a6d6dd3b31932bee2253a7e97084a13db4adfb6bfc7a7204e6ae25c5f7916c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_utils v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "e2a6d6dd3b31932bee2253a7e97084a13db4adfb6bfc7a7204e6ae25c5f7916c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a6d6dd3b31932bee2253a7e97084a13db4adfb6bfc7a7204e6ae25c5f7916c", kill_on_drop: false }`
[INFO] [stdout] e2a6d6dd3b31932bee2253a7e97084a13db4adfb6bfc7a7204e6ae25c5f7916c