[INFO] fetching crate cc 1.0.38...
[INFO] extracting crate cc 1.0.38 into work/ex/beta-1.37-6/sources/1.36.0/reg/cc/1.0.38
[INFO] extracting crate cc 1.0.38 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cc/1.0.38
[INFO] validating manifest of cc-1.0.38 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cc-1.0.38 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cc-1.0.38
[INFO] finished frobbing cc-1.0.38
[INFO] frobbed toml for cc-1.0.38 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cc/1.0.38/Cargo.toml
[INFO] started frobbing cc-1.0.38
[INFO] finished frobbing cc-1.0.38
[INFO] frobbed toml for cc-1.0.38 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cc/1.0.38/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building cc-1.0.38 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cc/1.0.38:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2dde4f7f38885104467bc478e67b5b95dc8c532ef6c5e0beb63ec44e6b563e08
[INFO] running `"docker" "start" "-a" "2dde4f7f38885104467bc478e67b5b95dc8c532ef6c5e0beb63ec44e6b563e08"`
[INFO] [stderr]    Compiling cc v1.0.38 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `"docker" "inspect" "2dde4f7f38885104467bc478e67b5b95dc8c532ef6c5e0beb63ec44e6b563e08"`
[INFO] running `"docker" "rm" "-f" "2dde4f7f38885104467bc478e67b5b95dc8c532ef6c5e0beb63ec44e6b563e08"`
[INFO] [stdout] 2dde4f7f38885104467bc478e67b5b95dc8c532ef6c5e0beb63ec44e6b563e08
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cc/1.0.38:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f7a2fe074840ab18136c860416f78da885aeb37bcb4785585f50dbc73470bf44
[INFO] running `"docker" "start" "-a" "f7a2fe074840ab18136c860416f78da885aeb37bcb4785585f50dbc73470bf44"`
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling cc v1.0.38 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `"docker" "inspect" "f7a2fe074840ab18136c860416f78da885aeb37bcb4785585f50dbc73470bf44"`
[INFO] running `"docker" "rm" "-f" "f7a2fe074840ab18136c860416f78da885aeb37bcb4785585f50dbc73470bf44"`
[INFO] [stdout] f7a2fe074840ab18136c860416f78da885aeb37bcb4785585f50dbc73470bf44