[INFO] crate bootimage 0.7.8 is already in cache
[INFO] checking bootimage-0.7.8 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate bootimage 0.7.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bootimage 0.7.8 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bootimage 0.7.8
[INFO] finished tweaking crates.io crate bootimage 0.7.8
[INFO] tweaked toml for crates.io crate bootimage 0.7.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate bootimage 0.7.8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 8863042fef3c9bf78d6c96bf845bbaf7a48bdd2294cc800f2624b1790c4591b9
[INFO] running `"docker" "start" "-a" "8863042fef3c9bf78d6c96bf845bbaf7a48bdd2294cc800f2624b1790c4591b9"`
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking llvm-tools v0.1.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking locate-cargo-manifest v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking cargo_metadata v0.7.4
[INFO] [stderr]     Checking bootimage v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.42s
[INFO] running `"docker" "inspect" "8863042fef3c9bf78d6c96bf845bbaf7a48bdd2294cc800f2624b1790c4591b9"`
[INFO] running `"docker" "rm" "-f" "8863042fef3c9bf78d6c96bf845bbaf7a48bdd2294cc800f2624b1790c4591b9"`
[INFO] [stdout] 8863042fef3c9bf78d6c96bf845bbaf7a48bdd2294cc800f2624b1790c4591b9