[INFO] fetching crate contract-metadata 0.3.0...
[INFO] checking contract-metadata-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate contract-metadata 0.3.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate contract-metadata 0.3.0 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 contract-metadata 0.3.0
[INFO] finished tweaking crates.io crate contract-metadata 0.3.0
[INFO] tweaked toml for crates.io crate contract-metadata 0.3.0 written to /workspace/builds/worker-55/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 5a8cfcdb852825645d2585b49c58a0a2202804c28a614296bd152dac197bcea1
[INFO] running `Command { std: "docker" "start" "-a" "5a8cfcdb852825645d2585b49c58a0a2202804c28a614296bd152dac197bcea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a8cfcdb852825645d2585b49c58a0a2202804c28a614296bd152dac197bcea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8cfcdb852825645d2585b49c58a0a2202804c28a614296bd152dac197bcea1", kill_on_drop: false }`
[INFO] [stdout] 5a8cfcdb852825645d2585b49c58a0a2202804c28a614296bd152dac197bcea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] f6da77928396fd9b7c75faf408b35d7403886d7c0a0bbbecacef76f9b06ba07b
[INFO] running `Command { std: "docker" "start" "-a" "f6da77928396fd9b7c75faf408b35d7403886d7c0a0bbbecacef76f9b06ba07b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking contract-metadata v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.00s
[INFO] running `Command { std: "docker" "inspect" "f6da77928396fd9b7c75faf408b35d7403886d7c0a0bbbecacef76f9b06ba07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6da77928396fd9b7c75faf408b35d7403886d7c0a0bbbecacef76f9b06ba07b", kill_on_drop: false }`
[INFO] [stdout] f6da77928396fd9b7c75faf408b35d7403886d7c0a0bbbecacef76f9b06ba07b
