[INFO] crate low 0.0.0 is already in cache [INFO] extracting crate low 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/low/0.0.0 [INFO] extracting crate low 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/low/0.0.0 [INFO] validating manifest of low-0.0.0 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 low-0.0.0 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 low-0.0.0 [INFO] finished frobbing low-0.0.0 [INFO] frobbed toml for low-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/low/0.0.0/Cargo.toml [INFO] started frobbing low-0.0.0 [INFO] finished frobbing low-0.0.0 [INFO] frobbed toml for low-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/low/0.0.0/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] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing low-0.0.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/low/0.0.0:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 10f4217960376d6725bab846268659639a0bcd87416ad56e83e0901095512575 [INFO] running `"docker" "start" "-a" "10f4217960376d6725bab846268659639a0bcd87416ad56e83e0901095512575"` [INFO] [stderr] Compiling low v0.0.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `"docker" "inspect" "10f4217960376d6725bab846268659639a0bcd87416ad56e83e0901095512575"` [INFO] running `"docker" "rm" "-f" "10f4217960376d6725bab846268659639a0bcd87416ad56e83e0901095512575"` [INFO] [stdout] 10f4217960376d6725bab846268659639a0bcd87416ad56e83e0901095512575 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/low/0.0.0:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 5156b5dd64a13f951b180e0b494d615e3e1d3fccf3f77fa8cfc30e021dfe3e82 [INFO] running `"docker" "start" "-a" "5156b5dd64a13f951b180e0b494d615e3e1d3fccf3f77fa8cfc30e021dfe3e82"` [INFO] [stderr] Compiling low v0.0.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `"docker" "inspect" "5156b5dd64a13f951b180e0b494d615e3e1d3fccf3f77fa8cfc30e021dfe3e82"` [INFO] running `"docker" "rm" "-f" "5156b5dd64a13f951b180e0b494d615e3e1d3fccf3f77fa8cfc30e021dfe3e82"` [INFO] [stdout] 5156b5dd64a13f951b180e0b494d615e3e1d3fccf3f77fa8cfc30e021dfe3e82 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/low/0.0.0:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] c0eef58fd7bb79371eb69ad8d0daa097f674d950ef61dbd4e31f8a55310665f2 [INFO] running `"docker" "start" "-a" "c0eef58fd7bb79371eb69ad8d0daa097f674d950ef61dbd4e31f8a55310665f2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/low-b5d856eca03a49f0 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests low [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" "c0eef58fd7bb79371eb69ad8d0daa097f674d950ef61dbd4e31f8a55310665f2"` [INFO] running `"docker" "rm" "-f" "c0eef58fd7bb79371eb69ad8d0daa097f674d950ef61dbd4e31f8a55310665f2"` [INFO] [stdout] c0eef58fd7bb79371eb69ad8d0daa097f674d950ef61dbd4e31f8a55310665f2