[INFO] fetching crate awesome 0.0.1...
[INFO] checking awesome-0.0.1 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate awesome 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate awesome 0.0.1 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate awesome 0.0.1
[INFO] finished tweaking crates.io crate awesome 0.0.1
[INFO] tweaked toml for crates.io crate awesome 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate awesome 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1e9ef9b18f20d278142dc64e5087664e1a087e243fcef1c2ae75d73250e94a1
[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" "d1e9ef9b18f20d278142dc64e5087664e1a087e243fcef1c2ae75d73250e94a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1e9ef9b18f20d278142dc64e5087664e1a087e243fcef1c2ae75d73250e94a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e9ef9b18f20d278142dc64e5087664e1a087e243fcef1c2ae75d73250e94a1", kill_on_drop: false }`
[INFO] [stdout] d1e9ef9b18f20d278142dc64e5087664e1a087e243fcef1c2ae75d73250e94a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f4b0b9cbe0d5e06eaa9b332832c395942da71dd5ab89dc6d373aa1b59f97e7d
[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" "6f4b0b9cbe0d5e06eaa9b332832c395942da71dd5ab89dc6d373aa1b59f97e7d", kill_on_drop: false }`
[INFO] [stderr]     Checking awesome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "6f4b0b9cbe0d5e06eaa9b332832c395942da71dd5ab89dc6d373aa1b59f97e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4b0b9cbe0d5e06eaa9b332832c395942da71dd5ab89dc6d373aa1b59f97e7d", kill_on_drop: false }`
[INFO] [stdout] 6f4b0b9cbe0d5e06eaa9b332832c395942da71dd5ab89dc6d373aa1b59f97e7d