[INFO] fetching crate optimal-transport-rs 0.1.0...
[INFO] checking optimal-transport-rs-0.1.0 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate optimal-transport-rs 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate optimal-transport-rs 0.1.0 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optimal-transport-rs 0.1.0
[INFO] finished tweaking crates.io crate optimal-transport-rs 0.1.0
[INFO] tweaked toml for crates.io crate optimal-transport-rs 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate optimal-transport-rs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 30ee60a2d841a8005c7017d636e36d53eb4045ba3a9cb2eea55364c5e2acd79a
[INFO] running `Command { std: "docker" "start" "-a" "30ee60a2d841a8005c7017d636e36d53eb4045ba3a9cb2eea55364c5e2acd79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ee60a2d841a8005c7017d636e36d53eb4045ba3a9cb2eea55364c5e2acd79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ee60a2d841a8005c7017d636e36d53eb4045ba3a9cb2eea55364c5e2acd79a", kill_on_drop: false }`
[INFO] [stdout] 30ee60a2d841a8005c7017d636e36d53eb4045ba3a9cb2eea55364c5e2acd79a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8232c325b3d7e90b05170bebe9e305b0c71454e999b72d01f488d726cee157
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e8232c325b3d7e90b05170bebe9e305b0c71454e999b72d01f488d726cee157", kill_on_drop: false }`
[INFO] [stderr]     Checking optimal-transport-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "7e8232c325b3d7e90b05170bebe9e305b0c71454e999b72d01f488d726cee157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8232c325b3d7e90b05170bebe9e305b0c71454e999b72d01f488d726cee157", kill_on_drop: false }`
[INFO] [stdout] 7e8232c325b3d7e90b05170bebe9e305b0c71454e999b72d01f488d726cee157