[INFO] crate bifrost 0.4.0-alpha.2 is already in cache
[INFO] checking bifrost-0.4.0-alpha.2 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] extracting crate bifrost 0.4.0-alpha.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bifrost 0.4.0-alpha.2 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bifrost 0.4.0-alpha.2
[INFO] finished tweaking crates.io crate bifrost 0.4.0-alpha.2
[INFO] tweaked toml for crates.io crate bifrost 0.4.0-alpha.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] a511191f8b19acff438ca05e8b759f02a4e731aaa0941e99d8c810abee3200f2
[INFO] running `"docker" "start" "-a" "a511191f8b19acff438ca05e8b759f02a4e731aaa0941e99d8c810abee3200f2"`
[INFO] [stderr]     Checking vec1 v1.4.0
[INFO] [stderr]     Checking bifrost-ice v0.1.0-alpha
[INFO] [stderr]     Checking bifrost-stun v0.1.0-alpha
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking bifrost-sdp v0.1.0
[INFO] [stderr]     Checking bifrost v0.4.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `"docker" "inspect" "a511191f8b19acff438ca05e8b759f02a4e731aaa0941e99d8c810abee3200f2"`
[INFO] running `"docker" "rm" "-f" "a511191f8b19acff438ca05e8b759f02a4e731aaa0941e99d8c810abee3200f2"`
[INFO] [stdout] a511191f8b19acff438ca05e8b759f02a4e731aaa0941e99d8c810abee3200f2