[INFO] updating cached repository davesag/rust-tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davesag/rust-tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davesag/rust-tutorial" "work/ex/beta-1.38-1/sources/1.37.0/gh/davesag/rust-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davesag/rust-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davesag/rust-tutorial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davesag/rust-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davesag/rust-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79b643ef5a3afcbd764468f6f51c1e960f6489f5
[INFO] sha for GitHub repo davesag/rust-tutorial: 79b643ef5a3afcbd764468f6f51c1e960f6489f5
[INFO] validating manifest of davesag/rust-tutorial 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 davesag/rust-tutorial 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 davesag/rust-tutorial
[INFO] finished frobbing davesag/rust-tutorial
[INFO] frobbed toml for davesag/rust-tutorial written to work/ex/beta-1.38-1/sources/1.37.0/gh/davesag/rust-tutorial/Cargo.toml
[INFO] started frobbing davesag/rust-tutorial
[INFO] finished frobbing davesag/rust-tutorial
[INFO] frobbed toml for davesag/rust-tutorial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davesag/rust-tutorial/Cargo.toml
[INFO] crate davesag/rust-tutorial 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] testing davesag/rust-tutorial 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/davesag/rust-tutorial:/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] 8fa9130f668d9dcfd3d66a09971a4c0053a0f460acd8b03734d1852f698a1bea
[INFO] running `"docker" "start" "-a" "8fa9130f668d9dcfd3d66a09971a4c0053a0f460acd8b03734d1852f698a1bea"`
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "8fa9130f668d9dcfd3d66a09971a4c0053a0f460acd8b03734d1852f698a1bea"`
[INFO] running `"docker" "rm" "-f" "8fa9130f668d9dcfd3d66a09971a4c0053a0f460acd8b03734d1852f698a1bea"`
[INFO] [stdout] 8fa9130f668d9dcfd3d66a09971a4c0053a0f460acd8b03734d1852f698a1bea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/davesag/rust-tutorial:/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] 77575300f9ffc423b8b4e63474565094f6d8a4c867f8ca8091f0a31c13e948a4
[INFO] running `"docker" "start" "-a" "77575300f9ffc423b8b4e63474565094f6d8a4c867f8ca8091f0a31c13e948a4"`
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "77575300f9ffc423b8b4e63474565094f6d8a4c867f8ca8091f0a31c13e948a4"`
[INFO] running `"docker" "rm" "-f" "77575300f9ffc423b8b4e63474565094f6d8a4c867f8ca8091f0a31c13e948a4"`
[INFO] [stdout] 77575300f9ffc423b8b4e63474565094f6d8a4c867f8ca8091f0a31c13e948a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/davesag/rust-tutorial:/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] 879f9992ea0c4e1876cd2cd6b80adc37a1b3289b70e950ab3188cb633240e43f
[INFO] running `"docker" "start" "-a" "879f9992ea0c4e1876cd2cd6b80adc37a1b3289b70e950ab3188cb633240e43f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tutorial-8fdcd4c16ac538e5
[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" "879f9992ea0c4e1876cd2cd6b80adc37a1b3289b70e950ab3188cb633240e43f"`
[INFO] running `"docker" "rm" "-f" "879f9992ea0c4e1876cd2cd6b80adc37a1b3289b70e950ab3188cb633240e43f"`
[INFO] [stdout] 879f9992ea0c4e1876cd2cd6b80adc37a1b3289b70e950ab3188cb633240e43f