[INFO] crate fractal 0.7.1 is already in cache
[INFO] checking fractal-0.7.1 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate fractal 0.7.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fractal 0.7.1 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fractal 0.7.1
[INFO] finished tweaking crates.io crate fractal 0.7.1
[INFO] tweaked toml for crates.io crate fractal 0.7.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebc5ad98926d57889816cee5f2fd6ba4dae5e57e9b595927d8689257979dc349
[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" "ebc5ad98926d57889816cee5f2fd6ba4dae5e57e9b595927d8689257979dc349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebc5ad98926d57889816cee5f2fd6ba4dae5e57e9b595927d8689257979dc349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc5ad98926d57889816cee5f2fd6ba4dae5e57e9b595927d8689257979dc349", kill_on_drop: false }`
[INFO] [stdout] ebc5ad98926d57889816cee5f2fd6ba4dae5e57e9b595927d8689257979dc349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49e7c5228d9abee8ac977c889681e9f9dcc88424013b3cc58e6b3da5e5cdb364
[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" "49e7c5228d9abee8ac977c889681e9f9dcc88424013b3cc58e6b3da5e5cdb364", kill_on_drop: false }`
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking statistics v0.4.1
[INFO] [stderr]     Checking assert v0.7.4
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking dwt v0.5.2
[INFO] [stderr]     Checking probability v0.17.0
[INFO] [stderr]     Checking fractal v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "49e7c5228d9abee8ac977c889681e9f9dcc88424013b3cc58e6b3da5e5cdb364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e7c5228d9abee8ac977c889681e9f9dcc88424013b3cc58e6b3da5e5cdb364", kill_on_drop: false }`
[INFO] [stdout] 49e7c5228d9abee8ac977c889681e9f9dcc88424013b3cc58e6b3da5e5cdb364