[INFO] fetching crate preoomkiller 0.0.2...
[INFO] checking preoomkiller-0.0.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate preoomkiller 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate preoomkiller 0.0.2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preoomkiller 0.0.2
[INFO] finished tweaking crates.io crate preoomkiller 0.0.2
[INFO] tweaked toml for crates.io crate preoomkiller 0.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e89606155f04ae3564398d6170d0d0ea5c290e6d9807f495c8645b5f866fe1a
[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" "6e89606155f04ae3564398d6170d0d0ea5c290e6d9807f495c8645b5f866fe1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e89606155f04ae3564398d6170d0d0ea5c290e6d9807f495c8645b5f866fe1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e89606155f04ae3564398d6170d0d0ea5c290e6d9807f495c8645b5f866fe1a", kill_on_drop: false }`
[INFO] [stdout] 6e89606155f04ae3564398d6170d0d0ea5c290e6d9807f495c8645b5f866fe1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 057282b55a925ba8d864a2d42ae4a647c3dd8b3c0ebfe96eb9d7c7f3aeb22b6e
[INFO] running `Command { std: "docker" "start" "-a" "057282b55a925ba8d864a2d42ae4a647c3dd8b3c0ebfe96eb9d7c7f3aeb22b6e", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking preoomkiller v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "057282b55a925ba8d864a2d42ae4a647c3dd8b3c0ebfe96eb9d7c7f3aeb22b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057282b55a925ba8d864a2d42ae4a647c3dd8b3c0ebfe96eb9d7c7f3aeb22b6e", kill_on_drop: false }`
[INFO] [stdout] 057282b55a925ba8d864a2d42ae4a647c3dd8b3c0ebfe96eb9d7c7f3aeb22b6e