[INFO] fetching crate regex 1.4.2...
[INFO] checking regex-1.4.2 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate regex 1.4.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate regex 1.4.2 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 regex 1.4.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate regex 1.4.2
[INFO] tweaked toml for crates.io crate regex 1.4.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate regex 1.4.2 already has a lockfile, it will not be regenerated
[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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5603efe764917a8d49870ee084dd8a72404323dca23390d9222773cdc2447ee
[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" "a5603efe764917a8d49870ee084dd8a72404323dca23390d9222773cdc2447ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5603efe764917a8d49870ee084dd8a72404323dca23390d9222773cdc2447ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5603efe764917a8d49870ee084dd8a72404323dca23390d9222773cdc2447ee", kill_on_drop: false }`
[INFO] [stdout] a5603efe764917a8d49870ee084dd8a72404323dca23390d9222773cdc2447ee
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b192d86bb3c823a0a7e2e50944d4bb60ebc065bbbf6daddeebd709d8354f2f
[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" "f8b192d86bb3c823a0a7e2e50944d4bb60ebc065bbbf6daddeebd709d8354f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking regex v1.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "f8b192d86bb3c823a0a7e2e50944d4bb60ebc065bbbf6daddeebd709d8354f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b192d86bb3c823a0a7e2e50944d4bb60ebc065bbbf6daddeebd709d8354f2f", kill_on_drop: false }`
[INFO] [stdout] f8b192d86bb3c823a0a7e2e50944d4bb60ebc065bbbf6daddeebd709d8354f2f