[INFO] updating cached repository chloekek/concrete
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chloekek/concrete
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chloekek/concrete" "work/ex/beta-1.38-1/sources/1.37.0/gh/chloekek/concrete"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chloekek/concrete'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chloekek/concrete" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chloekek/concrete"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chloekek/concrete'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b94e0c0e762484b79ca17ceb9147420cc0f46bc9
[INFO] sha for GitHub repo chloekek/concrete: b94e0c0e762484b79ca17ceb9147420cc0f46bc9
[INFO] validating manifest of chloekek/concrete 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 chloekek/concrete 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 chloekek/concrete
[INFO] finished frobbing chloekek/concrete
[INFO] frobbed toml for chloekek/concrete written to work/ex/beta-1.38-1/sources/1.37.0/gh/chloekek/concrete/Cargo.toml
[INFO] started frobbing chloekek/concrete
[INFO] finished frobbing chloekek/concrete
[INFO] frobbed toml for chloekek/concrete written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chloekek/concrete/Cargo.toml
[INFO] crate chloekek/concrete already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing chloekek/concrete 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chloekek/concrete:/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] 7e1ae4114c93b0829181c06dcf7a572d8cb61cec3f07cafc9b055c3f3540e732
[INFO] running `"docker" "start" "-a" "7e1ae4114c93b0829181c06dcf7a572d8cb61cec3f07cafc9b055c3f3540e732"`
[INFO] [stderr]    Compiling concrete v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "7e1ae4114c93b0829181c06dcf7a572d8cb61cec3f07cafc9b055c3f3540e732"`
[INFO] running `"docker" "rm" "-f" "7e1ae4114c93b0829181c06dcf7a572d8cb61cec3f07cafc9b055c3f3540e732"`
[INFO] [stdout] 7e1ae4114c93b0829181c06dcf7a572d8cb61cec3f07cafc9b055c3f3540e732
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chloekek/concrete:/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] 8344f02c29022875c5203cb671bbc8ab9b486e6702f6a6c69e4b5d59c7ccbdab
[INFO] running `"docker" "start" "-a" "8344f02c29022875c5203cb671bbc8ab9b486e6702f6a6c69e4b5d59c7ccbdab"`
[INFO] [stderr]    Compiling concrete v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "8344f02c29022875c5203cb671bbc8ab9b486e6702f6a6c69e4b5d59c7ccbdab"`
[INFO] running `"docker" "rm" "-f" "8344f02c29022875c5203cb671bbc8ab9b486e6702f6a6c69e4b5d59c7ccbdab"`
[INFO] [stdout] 8344f02c29022875c5203cb671bbc8ab9b486e6702f6a6c69e4b5d59c7ccbdab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chloekek/concrete:/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] c26e671ec7dc4af4cb8ed92daf535c773c7a5aa0dac9b3d8a804148707c258aa
[INFO] running `"docker" "start" "-a" "c26e671ec7dc4af4cb8ed92daf535c773c7a5aa0dac9b3d8a804148707c258aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/concrete-495cf54e9bffe2af
[INFO] [stderr]    Doc-tests concrete
[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" "c26e671ec7dc4af4cb8ed92daf535c773c7a5aa0dac9b3d8a804148707c258aa"`
[INFO] running `"docker" "rm" "-f" "c26e671ec7dc4af4cb8ed92daf535c773c7a5aa0dac9b3d8a804148707c258aa"`
[INFO] [stdout] c26e671ec7dc4af4cb8ed92daf535c773c7a5aa0dac9b3d8a804148707c258aa