[INFO] updating cached repository newbornfrontender/rust-crash-course
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/newbornfrontender/rust-crash-course
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/newbornfrontender/rust-crash-course" "work/ex/beta-1.38-1/sources/1.37.0/gh/newbornfrontender/rust-crash-course"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/newbornfrontender/rust-crash-course'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/newbornfrontender/rust-crash-course" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/newbornfrontender/rust-crash-course"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/newbornfrontender/rust-crash-course'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 741c54834f10d1e29ad2b643974d56661924d8a1
[INFO] sha for GitHub repo newbornfrontender/rust-crash-course: 741c54834f10d1e29ad2b643974d56661924d8a1
[INFO] validating manifest of newbornfrontender/rust-crash-course 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 newbornfrontender/rust-crash-course 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 newbornfrontender/rust-crash-course
[INFO] finished frobbing newbornfrontender/rust-crash-course
[INFO] frobbed toml for newbornfrontender/rust-crash-course written to work/ex/beta-1.38-1/sources/1.37.0/gh/newbornfrontender/rust-crash-course/Cargo.toml
[INFO] started frobbing newbornfrontender/rust-crash-course
[INFO] finished frobbing newbornfrontender/rust-crash-course
[INFO] frobbed toml for newbornfrontender/rust-crash-course written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/newbornfrontender/rust-crash-course/Cargo.toml
[INFO] crate newbornfrontender/rust-crash-course 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 newbornfrontender/rust-crash-course 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/newbornfrontender/rust-crash-course:/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] c85c34db80b77ee1adb9e8cbd0ba04cad5d07c742bc4e3e7239324d579af2097
[INFO] running `"docker" "start" "-a" "c85c34db80b77ee1adb9e8cbd0ba04cad5d07c742bc4e3e7239324d579af2097"`
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "c85c34db80b77ee1adb9e8cbd0ba04cad5d07c742bc4e3e7239324d579af2097"`
[INFO] running `"docker" "rm" "-f" "c85c34db80b77ee1adb9e8cbd0ba04cad5d07c742bc4e3e7239324d579af2097"`
[INFO] [stdout] c85c34db80b77ee1adb9e8cbd0ba04cad5d07c742bc4e3e7239324d579af2097
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/newbornfrontender/rust-crash-course:/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] f72ad548b9756a9dd5133afdfab1c3b89823242fee6e8e6dbe2ec27f7420bb66
[INFO] running `"docker" "start" "-a" "f72ad548b9756a9dd5133afdfab1c3b89823242fee6e8e6dbe2ec27f7420bb66"`
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "f72ad548b9756a9dd5133afdfab1c3b89823242fee6e8e6dbe2ec27f7420bb66"`
[INFO] running `"docker" "rm" "-f" "f72ad548b9756a9dd5133afdfab1c3b89823242fee6e8e6dbe2ec27f7420bb66"`
[INFO] [stdout] f72ad548b9756a9dd5133afdfab1c3b89823242fee6e8e6dbe2ec27f7420bb66
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/newbornfrontender/rust-crash-course:/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] 12498c51c940d1a7b808b08ad35c2d42b24660dcf80af88a9c42a1c1c8f57bec
[INFO] running `"docker" "start" "-a" "12498c51c940d1a7b808b08ad35c2d42b24660dcf80af88a9c42a1c1c8f57bec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_crash_course-d34fc319661c183d
[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" "12498c51c940d1a7b808b08ad35c2d42b24660dcf80af88a9c42a1c1c8f57bec"`
[INFO] running `"docker" "rm" "-f" "12498c51c940d1a7b808b08ad35c2d42b24660dcf80af88a9c42a1c1c8f57bec"`
[INFO] [stdout] 12498c51c940d1a7b808b08ad35c2d42b24660dcf80af88a9c42a1c1c8f57bec