[INFO] updating cached repository mc-shults/rust-multithread-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mc-shults/rust-multithread-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mc-shults/rust-multithread-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/mc-shults/rust-multithread-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mc-shults/rust-multithread-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mc-shults/rust-multithread-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mc-shults/rust-multithread-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mc-shults/rust-multithread-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57c58e2e5e7a448508db12828f8a1ee44551a70b
[INFO] sha for GitHub repo mc-shults/rust-multithread-example: 57c58e2e5e7a448508db12828f8a1ee44551a70b
[INFO] validating manifest of mc-shults/rust-multithread-example 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 mc-shults/rust-multithread-example 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 mc-shults/rust-multithread-example
[INFO] finished frobbing mc-shults/rust-multithread-example
[INFO] frobbed toml for mc-shults/rust-multithread-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/mc-shults/rust-multithread-example/Cargo.toml
[INFO] started frobbing mc-shults/rust-multithread-example
[INFO] finished frobbing mc-shults/rust-multithread-example
[INFO] frobbed toml for mc-shults/rust-multithread-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mc-shults/rust-multithread-example/Cargo.toml
[INFO] crate mc-shults/rust-multithread-example 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mc-shults/rust-multithread-example 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/mc-shults/rust-multithread-example:/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] 395d633121574b9bd1eefe3797e1539dc2721461ae87151c5c11888e70e5e264
[INFO] running `"docker" "start" "-a" "395d633121574b9bd1eefe3797e1539dc2721461ae87151c5c11888e70e5e264"`
[INFO] [stderr]    Compiling rust-multithread-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "395d633121574b9bd1eefe3797e1539dc2721461ae87151c5c11888e70e5e264"`
[INFO] running `"docker" "rm" "-f" "395d633121574b9bd1eefe3797e1539dc2721461ae87151c5c11888e70e5e264"`
[INFO] [stdout] 395d633121574b9bd1eefe3797e1539dc2721461ae87151c5c11888e70e5e264
[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/mc-shults/rust-multithread-example:/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] 57fda232b9bb1dd011249f42b10ef4407bb9885f7733fed191f7ed2c14738ff5
[INFO] running `"docker" "start" "-a" "57fda232b9bb1dd011249f42b10ef4407bb9885f7733fed191f7ed2c14738ff5"`
[INFO] [stderr]    Compiling rust-multithread-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "57fda232b9bb1dd011249f42b10ef4407bb9885f7733fed191f7ed2c14738ff5"`
[INFO] running `"docker" "rm" "-f" "57fda232b9bb1dd011249f42b10ef4407bb9885f7733fed191f7ed2c14738ff5"`
[INFO] [stdout] 57fda232b9bb1dd011249f42b10ef4407bb9885f7733fed191f7ed2c14738ff5
[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/mc-shults/rust-multithread-example:/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] 3b9576132a35d615700753900bb1fbc334a90755f21d52b543e0168b3872ca8b
[INFO] running `"docker" "start" "-a" "3b9576132a35d615700753900bb1fbc334a90755f21d52b543e0168b3872ca8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_multithread_example-d0f90048deb1ef06
[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" "3b9576132a35d615700753900bb1fbc334a90755f21d52b543e0168b3872ca8b"`
[INFO] running `"docker" "rm" "-f" "3b9576132a35d615700753900bb1fbc334a90755f21d52b543e0168b3872ca8b"`
[INFO] [stdout] 3b9576132a35d615700753900bb1fbc334a90755f21d52b543e0168b3872ca8b