[INFO] fetching crate ahoy 0.0.1...
[INFO] checking ahoy-0.0.1 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate ahoy 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ahoy 0.0.1 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ahoy 0.0.1
[INFO] finished tweaking crates.io crate ahoy 0.0.1
[INFO] tweaked toml for crates.io crate ahoy 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ahoy 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ca20c2ba177b07f8b0c61111b9e3687224f39e355a70cf61ee831e25340d5b7
[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" "1ca20c2ba177b07f8b0c61111b9e3687224f39e355a70cf61ee831e25340d5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ca20c2ba177b07f8b0c61111b9e3687224f39e355a70cf61ee831e25340d5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca20c2ba177b07f8b0c61111b9e3687224f39e355a70cf61ee831e25340d5b7", kill_on_drop: false }`
[INFO] [stdout] 1ca20c2ba177b07f8b0c61111b9e3687224f39e355a70cf61ee831e25340d5b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0983aec2c53459a70a239f61f0ddc2d414a228837a28b98b6a5eb11f6305d73a
[INFO] running `Command { std: "docker" "start" "-a" "0983aec2c53459a70a239f61f0ddc2d414a228837a28b98b6a5eb11f6305d73a", kill_on_drop: false }`
[INFO] [stderr]     Checking ahoy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "0983aec2c53459a70a239f61f0ddc2d414a228837a28b98b6a5eb11f6305d73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0983aec2c53459a70a239f61f0ddc2d414a228837a28b98b6a5eb11f6305d73a", kill_on_drop: false }`
[INFO] [stdout] 0983aec2c53459a70a239f61f0ddc2d414a228837a28b98b6a5eb11f6305d73a