[INFO] fetching crate jsonice 0.1.0...
[INFO] checking jsonice-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate jsonice 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate jsonice 0.1.0 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 jsonice 0.1.0
[INFO] finished tweaking crates.io crate jsonice 0.1.0
[INFO] tweaked toml for crates.io crate jsonice 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate jsonice 0.1.0 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-transcode v1.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 604109a48fe39b553e386726054dcff14c996db1ff77a32abc6311e1d338947b
[INFO] running `Command { std: "docker" "start" "-a" "604109a48fe39b553e386726054dcff14c996db1ff77a32abc6311e1d338947b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "604109a48fe39b553e386726054dcff14c996db1ff77a32abc6311e1d338947b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604109a48fe39b553e386726054dcff14c996db1ff77a32abc6311e1d338947b", kill_on_drop: false }`
[INFO] [stdout] 604109a48fe39b553e386726054dcff14c996db1ff77a32abc6311e1d338947b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] f9f4d81c47ecbd948fea8694abe303ace1d7d58720a3033e8b6ab936743fd478
[INFO] running `Command { std: "docker" "start" "-a" "f9f4d81c47ecbd948fea8694abe303ace1d7d58720a3033e8b6ab936743fd478", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking serde-transcode v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking jsonice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.21s
[INFO] running `Command { std: "docker" "inspect" "f9f4d81c47ecbd948fea8694abe303ace1d7d58720a3033e8b6ab936743fd478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f4d81c47ecbd948fea8694abe303ace1d7d58720a3033e8b6ab936743fd478", kill_on_drop: false }`
[INFO] [stdout] f9f4d81c47ecbd948fea8694abe303ace1d7d58720a3033e8b6ab936743fd478
