[INFO] fetching crate json_to_csv 0.2.0...
[INFO] checking json_to_csv-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate json_to_csv 0.2.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate json_to_csv 0.2.0 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 json_to_csv 0.2.0
[INFO] finished tweaking crates.io crate json_to_csv 0.2.0
[INFO] tweaked toml for crates.io crate json_to_csv 0.2.0 written to /workspace/builds/worker-116/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 83fabd9313162e4c3088d02454c1d4e9d9fa9cc5908cfa9bb9ee29c6eebce334
[INFO] running `Command { std: "docker" "start" "-a" "83fabd9313162e4c3088d02454c1d4e9d9fa9cc5908cfa9bb9ee29c6eebce334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83fabd9313162e4c3088d02454c1d4e9d9fa9cc5908cfa9bb9ee29c6eebce334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fabd9313162e4c3088d02454c1d4e9d9fa9cc5908cfa9bb9ee29c6eebce334", kill_on_drop: false }`
[INFO] [stdout] 83fabd9313162e4c3088d02454c1d4e9d9fa9cc5908cfa9bb9ee29c6eebce334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] cc58b712a123550df49ac89aaa6735cfbebaaf5c3b371087cab9594b9cea1576
[INFO] running `Command { std: "docker" "start" "-a" "cc58b712a123550df49ac89aaa6735cfbebaaf5c3b371087cab9594b9cea1576", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking json_to_csv v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "cc58b712a123550df49ac89aaa6735cfbebaaf5c3b371087cab9594b9cea1576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc58b712a123550df49ac89aaa6735cfbebaaf5c3b371087cab9594b9cea1576", kill_on_drop: false }`
[INFO] [stdout] cc58b712a123550df49ac89aaa6735cfbebaaf5c3b371087cab9594b9cea1576
