[INFO] updating cached repository Ngahu/Getting-started-with-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ngahu/Getting-started-with-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ngahu/Getting-started-with-Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Ngahu/Getting-started-with-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Ngahu/Getting-started-with-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ngahu/Getting-started-with-Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ngahu/Getting-started-with-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ngahu/Getting-started-with-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da97bc492032eb3f68be721a19ce26c2cddf4bea
[INFO] sha for GitHub repo Ngahu/Getting-started-with-Rust: da97bc492032eb3f68be721a19ce26c2cddf4bea
[INFO] validating manifest of Ngahu/Getting-started-with-Rust 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 Ngahu/Getting-started-with-Rust 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 Ngahu/Getting-started-with-Rust
[INFO] finished frobbing Ngahu/Getting-started-with-Rust
[INFO] frobbed toml for Ngahu/Getting-started-with-Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Ngahu/Getting-started-with-Rust/Cargo.toml
[INFO] started frobbing Ngahu/Getting-started-with-Rust
[INFO] finished frobbing Ngahu/Getting-started-with-Rust
[INFO] frobbed toml for Ngahu/Getting-started-with-Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ngahu/Getting-started-with-Rust/Cargo.toml
[INFO] crate Ngahu/Getting-started-with-Rust 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 Ngahu/Getting-started-with-Rust 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Ngahu/Getting-started-with-Rust:/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] 88106b2fc49672f6bef33627b42c4babb4439678efadf8ca34b75abcdf85c9e8
[INFO] running `"docker" "start" "-a" "88106b2fc49672f6bef33627b42c4babb4439678efadf8ca34b75abcdf85c9e8"`
[INFO] [stderr]    Compiling rust_crashcourse v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "88106b2fc49672f6bef33627b42c4babb4439678efadf8ca34b75abcdf85c9e8"`
[INFO] running `"docker" "rm" "-f" "88106b2fc49672f6bef33627b42c4babb4439678efadf8ca34b75abcdf85c9e8"`
[INFO] [stdout] 88106b2fc49672f6bef33627b42c4babb4439678efadf8ca34b75abcdf85c9e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Ngahu/Getting-started-with-Rust:/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] 86f59b32b4978a6b7b8912ae5941b1f8504c2dfaea769dc69d4547663754b9a6
[INFO] running `"docker" "start" "-a" "86f59b32b4978a6b7b8912ae5941b1f8504c2dfaea769dc69d4547663754b9a6"`
[INFO] [stderr]    Compiling rust_crashcourse v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "86f59b32b4978a6b7b8912ae5941b1f8504c2dfaea769dc69d4547663754b9a6"`
[INFO] running `"docker" "rm" "-f" "86f59b32b4978a6b7b8912ae5941b1f8504c2dfaea769dc69d4547663754b9a6"`
[INFO] [stdout] 86f59b32b4978a6b7b8912ae5941b1f8504c2dfaea769dc69d4547663754b9a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Ngahu/Getting-started-with-Rust:/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] 67a6de5e4cb3195362fb82d1fd38d534c36d6f7e9a1a05dfd0ae724143848866
[INFO] running `"docker" "start" "-a" "67a6de5e4cb3195362fb82d1fd38d534c36d6f7e9a1a05dfd0ae724143848866"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_crashcourse-a1e9e2353236a0f9
[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" "67a6de5e4cb3195362fb82d1fd38d534c36d6f7e9a1a05dfd0ae724143848866"`
[INFO] running `"docker" "rm" "-f" "67a6de5e4cb3195362fb82d1fd38d534c36d6f7e9a1a05dfd0ae724143848866"`
[INFO] [stdout] 67a6de5e4cb3195362fb82d1fd38d534c36d6f7e9a1a05dfd0ae724143848866