[INFO] fetching crate serde_utils 0.6.2...
[INFO] checking serde_utils-0.6.2 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate serde_utils 0.6.2 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate serde_utils 0.6.2 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e6ca122ee67ff37b120f77b7d2a9af6cacc6ee2d47ca25ec2e65a1d8a84dacc
[INFO] running `Command { std: "docker" "start" "-a" "6e6ca122ee67ff37b120f77b7d2a9af6cacc6ee2d47ca25ec2e65a1d8a84dacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e6ca122ee67ff37b120f77b7d2a9af6cacc6ee2d47ca25ec2e65a1d8a84dacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6ca122ee67ff37b120f77b7d2a9af6cacc6ee2d47ca25ec2e65a1d8a84dacc", kill_on_drop: false }`
[INFO] [stdout] 6e6ca122ee67ff37b120f77b7d2a9af6cacc6ee2d47ca25ec2e65a1d8a84dacc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c9f33a5dac9ad1cc5254f21c776a2e2f1d5654961b4bf4bb8bebf5bc6c42b0c
[INFO] running `Command { std: "docker" "start" "-a" "8c9f33a5dac9ad1cc5254f21c776a2e2f1d5654961b4bf4bb8bebf5bc6c42b0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking serde_utils v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "8c9f33a5dac9ad1cc5254f21c776a2e2f1d5654961b4bf4bb8bebf5bc6c42b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9f33a5dac9ad1cc5254f21c776a2e2f1d5654961b4bf4bb8bebf5bc6c42b0c", kill_on_drop: false }`
[INFO] [stdout] 8c9f33a5dac9ad1cc5254f21c776a2e2f1d5654961b4bf4bb8bebf5bc6c42b0c