[INFO] fetching crate blake2b-pow 0.1.0...
[INFO] checking blake2b-pow-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate blake2b-pow 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate blake2b-pow 0.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blake2b-pow 0.1.0
[INFO] finished tweaking crates.io crate blake2b-pow 0.1.0
[INFO] tweaked toml for crates.io crate blake2b-pow 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate blake2b-pow 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] f0a04aa1bf7116c5d1efa51b9f7fd0c1aa22f783729f80ac550ef71aecae5340
[INFO] running `Command { std: "docker" "start" "-a" "f0a04aa1bf7116c5d1efa51b9f7fd0c1aa22f783729f80ac550ef71aecae5340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0a04aa1bf7116c5d1efa51b9f7fd0c1aa22f783729f80ac550ef71aecae5340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a04aa1bf7116c5d1efa51b9f7fd0c1aa22f783729f80ac550ef71aecae5340", kill_on_drop: false }`
[INFO] [stdout] f0a04aa1bf7116c5d1efa51b9f7fd0c1aa22f783729f80ac550ef71aecae5340
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3489fe920cb2ff4bcb0839965fb655ff8e34ff0e279fc10cd92fc7ceb0ce7b
[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" "5a3489fe920cb2ff4bcb0839965fb655ff8e34ff0e279fc10cd92fc7ceb0ce7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking blake2b-pow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "5a3489fe920cb2ff4bcb0839965fb655ff8e34ff0e279fc10cd92fc7ceb0ce7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3489fe920cb2ff4bcb0839965fb655ff8e34ff0e279fc10cd92fc7ceb0ce7b", kill_on_drop: false }`
[INFO] [stdout] 5a3489fe920cb2ff4bcb0839965fb655ff8e34ff0e279fc10cd92fc7ceb0ce7b