[INFO] fetching crate tracing-unwrap 0.9.2...
[INFO] checking tracing-unwrap-0.9.2 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate tracing-unwrap 0.9.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tracing-unwrap 0.9.2 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-unwrap 0.9.2
[INFO] finished tweaking crates.io crate tracing-unwrap 0.9.2
[INFO] tweaked toml for crates.io crate tracing-unwrap 0.9.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] e435aa66cab3b8f0eca2e7235897dbecc63928d7c519d390a992be05da350aca
[INFO] running `Command { std: "docker" "start" "-a" "e435aa66cab3b8f0eca2e7235897dbecc63928d7c519d390a992be05da350aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e435aa66cab3b8f0eca2e7235897dbecc63928d7c519d390a992be05da350aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e435aa66cab3b8f0eca2e7235897dbecc63928d7c519d390a992be05da350aca", kill_on_drop: false }`
[INFO] [stdout] e435aa66cab3b8f0eca2e7235897dbecc63928d7c519d390a992be05da350aca
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4518517470a98954ea892ff68c5a8607c85bde04a969f77e9a77f9e251af47fc
[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" "4518517470a98954ea892ff68c5a8607c85bde04a969f77e9a77f9e251af47fc", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tracing-unwrap v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "4518517470a98954ea892ff68c5a8607c85bde04a969f77e9a77f9e251af47fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4518517470a98954ea892ff68c5a8607c85bde04a969f77e9a77f9e251af47fc", kill_on_drop: false }`
[INFO] [stdout] 4518517470a98954ea892ff68c5a8607c85bde04a969f77e9a77f9e251af47fc