[INFO] fetching crate pharos 0.4.0...
[INFO] checking pharos-0.4.0 against nightly-2019-10-27 for pr-65897
[INFO] extracting crate pharos 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pharos 0.4.0 on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pharos 0.4.0
[INFO] finished tweaking crates.io crate pharos 0.4.0
[INFO] tweaked toml for crates.io crate pharos 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate pharos 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=allow" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f843c78874e3de3ebb05297c3569981941525e5e65d5a9e6db260b29bc3eb77a
[INFO] running `"docker" "start" "-a" "f843c78874e3de3ebb05297c3569981941525e5e65d5a9e6db260b29bc3eb77a"`
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking pharos v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.39s
[INFO] running `"docker" "inspect" "f843c78874e3de3ebb05297c3569981941525e5e65d5a9e6db260b29bc3eb77a"`
[INFO] running `"docker" "rm" "-f" "f843c78874e3de3ebb05297c3569981941525e5e65d5a9e6db260b29bc3eb77a"`
[INFO] [stdout] f843c78874e3de3ebb05297c3569981941525e5e65d5a9e6db260b29bc3eb77a