[INFO] fetching crate kennitolur 0.2.1...
[INFO] checking kennitolur-0.2.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate kennitolur 0.2.1 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate kennitolur 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kennitolur 0.2.1
[INFO] finished tweaking crates.io crate kennitolur 0.2.1
[INFO] tweaked toml for crates.io crate kennitolur 0.2.1 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40544252c2e459762726a5710de3887093af6216669a996856ae903e76c6e183
[INFO] running `Command { std: "docker" "start" "-a" "40544252c2e459762726a5710de3887093af6216669a996856ae903e76c6e183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40544252c2e459762726a5710de3887093af6216669a996856ae903e76c6e183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40544252c2e459762726a5710de3887093af6216669a996856ae903e76c6e183", kill_on_drop: false }`
[INFO] [stdout] 40544252c2e459762726a5710de3887093af6216669a996856ae903e76c6e183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c38658d3cfb8e8a6cc24c55c87b356041c64b1ee9bb3766783209f4f4c68642
[INFO] running `Command { std: "docker" "start" "-a" "1c38658d3cfb8e8a6cc24c55c87b356041c64b1ee9bb3766783209f4f4c68642", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking kennitolur v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "1c38658d3cfb8e8a6cc24c55c87b356041c64b1ee9bb3766783209f4f4c68642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c38658d3cfb8e8a6cc24c55c87b356041c64b1ee9bb3766783209f4f4c68642", kill_on_drop: false }`
[INFO] [stdout] 1c38658d3cfb8e8a6cc24c55c87b356041c64b1ee9bb3766783209f4f4c68642
