[INFO] fetching crate serde_jcs 0.1.0...
[INFO] checking serde_jcs-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate serde_jcs 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde_jcs 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_jcs 0.1.0
[INFO] finished tweaking crates.io crate serde_jcs 0.1.0
[INFO] tweaked toml for crates.io crate serde_jcs 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6a41179c36322311a502227b09f50ecd26a7d6bbc029b58bd55a5a19e7e53e1
[INFO] running `Command { std: "docker" "start" "-a" "f6a41179c36322311a502227b09f50ecd26a7d6bbc029b58bd55a5a19e7e53e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a41179c36322311a502227b09f50ecd26a7d6bbc029b58bd55a5a19e7e53e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a41179c36322311a502227b09f50ecd26a7d6bbc029b58bd55a5a19e7e53e1", kill_on_drop: false }`
[INFO] [stdout] f6a41179c36322311a502227b09f50ecd26a7d6bbc029b58bd55a5a19e7e53e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e93a87b55c5e40c1e973afe864fa64becbbd91e000e6843c3fa0060b9d59f1c8
[INFO] running `Command { std: "docker" "start" "-a" "e93a87b55c5e40c1e973afe864fa64becbbd91e000e6843c3fa0060b9d59f1c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ryu-js v0.2.1
[INFO] [stderr]     Checking serde_jcs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "e93a87b55c5e40c1e973afe864fa64becbbd91e000e6843c3fa0060b9d59f1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93a87b55c5e40c1e973afe864fa64becbbd91e000e6843c3fa0060b9d59f1c8", kill_on_drop: false }`
[INFO] [stdout] e93a87b55c5e40c1e973afe864fa64becbbd91e000e6843c3fa0060b9d59f1c8