[INFO] fetching crate cxxbridge-cmd 1.0.56...
[INFO] checking cxxbridge-cmd-1.0.56 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cxxbridge-cmd 1.0.56 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate cxxbridge-cmd 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-cmd 1.0.56
[INFO] finished tweaking crates.io crate cxxbridge-cmd 1.0.56
[INFO] tweaked toml for crates.io crate cxxbridge-cmd 1.0.56 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate cxxbridge-cmd 1.0.56 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 3fb2c769748b0badc41088700b3692cbf0112cd91417803a77853a09b1ecb053
[INFO] running `Command { std: "docker" "start" "-a" "3fb2c769748b0badc41088700b3692cbf0112cd91417803a77853a09b1ecb053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb2c769748b0badc41088700b3692cbf0112cd91417803a77853a09b1ecb053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb2c769748b0badc41088700b3692cbf0112cd91417803a77853a09b1ecb053", kill_on_drop: false }`
[INFO] [stdout] 3fb2c769748b0badc41088700b3692cbf0112cd91417803a77853a09b1ecb053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 4150d840ff8677080578e829bfea9e4afcecea01a4f7c16803d7285e7a064b80
[INFO] running `Command { std: "docker" "start" "-a" "4150d840ff8677080578e829bfea9e4afcecea01a4f7c16803d7285e7a064b80", 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]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking cxxbridge-cmd v1.0.56 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "4150d840ff8677080578e829bfea9e4afcecea01a4f7c16803d7285e7a064b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4150d840ff8677080578e829bfea9e4afcecea01a4f7c16803d7285e7a064b80", kill_on_drop: false }`
[INFO] [stdout] 4150d840ff8677080578e829bfea9e4afcecea01a4f7c16803d7285e7a064b80
