[INFO] crate mhs 0.4.0 is already in cache
[INFO] checking mhs-0.4.0 against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] extracting crate mhs 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mhs 0.4.0 on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mhs 0.4.0
[INFO] finished tweaking crates.io crate mhs 0.4.0
[INFO] tweaked toml for crates.io crate mhs 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mhs 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98a1ad472a7a2a027902f21a13962b38a1476cf8e166fc86aace905f7784a609
[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" "98a1ad472a7a2a027902f21a13962b38a1476cf8e166fc86aace905f7784a609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98a1ad472a7a2a027902f21a13962b38a1476cf8e166fc86aace905f7784a609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a1ad472a7a2a027902f21a13962b38a1476cf8e166fc86aace905f7784a609", kill_on_drop: false }`
[INFO] [stdout] 98a1ad472a7a2a027902f21a13962b38a1476cf8e166fc86aace905f7784a609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 601f5df47b7a284963326163a075c28a2a42a7a1152d721ed8c4fa9a491a0314
[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" "601f5df47b7a284963326163a075c28a2a42a7a1152d721ed8c4fa9a491a0314", kill_on_drop: false }`
[INFO] [stderr]     Checking mhs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "601f5df47b7a284963326163a075c28a2a42a7a1152d721ed8c4fa9a491a0314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601f5df47b7a284963326163a075c28a2a42a7a1152d721ed8c4fa9a491a0314", kill_on_drop: false }`
[INFO] [stdout] 601f5df47b7a284963326163a075c28a2a42a7a1152d721ed8c4fa9a491a0314