[INFO] crate mlc 0.1.1 is already in cache
[INFO] extracting crate mlc 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/mlc/0.1.1
[INFO] extracting crate mlc 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mlc/0.1.1
[INFO] validating manifest of mlc-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mlc-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mlc-0.1.1
[INFO] finished frobbing mlc-0.1.1
[INFO] frobbed toml for mlc-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mlc/0.1.1/Cargo.toml
[INFO] started frobbing mlc-0.1.1
[INFO] finished frobbing mlc-0.1.1
[INFO] frobbed toml for mlc-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mlc/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mlc-0.1.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mlc/0.1.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 02d8df93d5c0ba4e1ea56ebc873e58eaa8509314bfe3adcfb47d961f7dc7ae24
[INFO] running `"docker" "start" "-a" "02d8df93d5c0ba4e1ea56ebc873e58eaa8509314bfe3adcfb47d961f7dc7ae24"`
[INFO] [stderr]    Compiling mlc v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "02d8df93d5c0ba4e1ea56ebc873e58eaa8509314bfe3adcfb47d961f7dc7ae24"`
[INFO] running `"docker" "rm" "-f" "02d8df93d5c0ba4e1ea56ebc873e58eaa8509314bfe3adcfb47d961f7dc7ae24"`
[INFO] [stdout] 02d8df93d5c0ba4e1ea56ebc873e58eaa8509314bfe3adcfb47d961f7dc7ae24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mlc/0.1.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f34c232e25eb59fc650bece1d5e262e6a199a55a0f0fbd7fe1922448f17142b4
[INFO] running `"docker" "start" "-a" "f34c232e25eb59fc650bece1d5e262e6a199a55a0f0fbd7fe1922448f17142b4"`
[INFO] [stderr]    Compiling mlc v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "f34c232e25eb59fc650bece1d5e262e6a199a55a0f0fbd7fe1922448f17142b4"`
[INFO] running `"docker" "rm" "-f" "f34c232e25eb59fc650bece1d5e262e6a199a55a0f0fbd7fe1922448f17142b4"`
[INFO] [stdout] f34c232e25eb59fc650bece1d5e262e6a199a55a0f0fbd7fe1922448f17142b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mlc/0.1.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f83eea847f0246fa9cbf04de2ea75037f17bfb7a5adad7355bac81d6220c63cf
[INFO] running `"docker" "start" "-a" "f83eea847f0246fa9cbf04de2ea75037f17bfb7a5adad7355bac81d6220c63cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mlc-824379bc719ca156
[INFO] [stderr]    Doc-tests mlc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f83eea847f0246fa9cbf04de2ea75037f17bfb7a5adad7355bac81d6220c63cf"`
[INFO] running `"docker" "rm" "-f" "f83eea847f0246fa9cbf04de2ea75037f17bfb7a5adad7355bac81d6220c63cf"`
[INFO] [stdout] f83eea847f0246fa9cbf04de2ea75037f17bfb7a5adad7355bac81d6220c63cf