[INFO] fetching crate unsafe-io 0.3.0...
[INFO] checking unsafe-io-0.3.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate unsafe-io 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate unsafe-io 0.3.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unsafe-io 0.3.0
[INFO] finished tweaking crates.io crate unsafe-io 0.3.0
[INFO] tweaked toml for crates.io crate unsafe-io 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate unsafe-io 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] 28dad26bf25f0d18eda40f1ff07ef04ddd243d665f97ce9f177aeeab9ff6dbfa
[INFO] running `Command { std: "docker" "start" "-a" "28dad26bf25f0d18eda40f1ff07ef04ddd243d665f97ce9f177aeeab9ff6dbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28dad26bf25f0d18eda40f1ff07ef04ddd243d665f97ce9f177aeeab9ff6dbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28dad26bf25f0d18eda40f1ff07ef04ddd243d665f97ce9f177aeeab9ff6dbfa", kill_on_drop: false }`
[INFO] [stdout] 28dad26bf25f0d18eda40f1ff07ef04ddd243d665f97ce9f177aeeab9ff6dbfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] 6d64b9aac5cb564ffb4fcd47ae0f36850e2600e6c3f2d662c561f2d0f7d49276
[INFO] running `Command { std: "docker" "start" "-a" "6d64b9aac5cb564ffb4fcd47ae0f36850e2600e6c3f2d662c561f2d0f7d49276", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling unsafe-io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.09s
[INFO] running `Command { std: "docker" "inspect" "6d64b9aac5cb564ffb4fcd47ae0f36850e2600e6c3f2d662c561f2d0f7d49276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d64b9aac5cb564ffb4fcd47ae0f36850e2600e6c3f2d662c561f2d0f7d49276", kill_on_drop: false }`
[INFO] [stdout] 6d64b9aac5cb564ffb4fcd47ae0f36850e2600e6c3f2d662c561f2d0f7d49276