[INFO] fetching crate cxxbridge-flags 1.0.56...
[INFO] checking cxxbridge-flags-1.0.56 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cxxbridge-flags 1.0.56 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate cxxbridge-flags 1.0.56 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 cxxbridge-flags 1.0.56
[INFO] finished tweaking crates.io crate cxxbridge-flags 1.0.56
[INFO] tweaked toml for crates.io crate cxxbridge-flags 1.0.56 written to /workspace/builds/worker-62/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] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] this Cargo does not support nightly features, but if you
[INFO] [stderr] switch to nightly channel you can add
[INFO] [stderr] `cargo-features = ["rust-version"]` to enable this feature
[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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] d8d3b8607e1bd78fa17d8e2d2d735649b4e522058090c8e8c23c968f5e7a75f2
[INFO] running `Command { std: "docker" "start" "-a" "d8d3b8607e1bd78fa17d8e2d2d735649b4e522058090c8e8c23c968f5e7a75f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d3b8607e1bd78fa17d8e2d2d735649b4e522058090c8e8c23c968f5e7a75f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d3b8607e1bd78fa17d8e2d2d735649b4e522058090c8e8c23c968f5e7a75f2", kill_on_drop: false }`
[INFO] [stdout] d8d3b8607e1bd78fa17d8e2d2d735649b4e522058090c8e8c23c968f5e7a75f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] b3240c9a7f7b64b2adac1bcd5ac95e4636692fa3e129d3f4af142cda7a35b6d2
[INFO] running `Command { std: "docker" "start" "-a" "b3240c9a7f7b64b2adac1bcd5ac95e4636692fa3e129d3f4af142cda7a35b6d2", kill_on_drop: false }`
[INFO] [stderr] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] this Cargo does not support nightly features, but if you
[INFO] [stderr] switch to nightly channel you can add
[INFO] [stderr] `cargo-features = ["rust-version"]` to enable this feature
[INFO] [stderr]     Checking cxxbridge-flags v1.0.56 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "b3240c9a7f7b64b2adac1bcd5ac95e4636692fa3e129d3f4af142cda7a35b6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3240c9a7f7b64b2adac1bcd5ac95e4636692fa3e129d3f4af142cda7a35b6d2", kill_on_drop: false }`
[INFO] [stdout] b3240c9a7f7b64b2adac1bcd5ac95e4636692fa3e129d3f4af142cda7a35b6d2
