[INFO] updating cached repository ormrepo/rustlings
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ormrepo/rustlings
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ormrepo/rustlings" "work/ex/beta-1.38-1/sources/1.37.0/gh/ormrepo/rustlings"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ormrepo/rustlings'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ormrepo/rustlings" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ormrepo/rustlings"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ormrepo/rustlings'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07ca480f87f9db112f15cc5a208542c881bc7628
[INFO] sha for GitHub repo ormrepo/rustlings: 07ca480f87f9db112f15cc5a208542c881bc7628
[INFO] validating manifest of ormrepo/rustlings 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 ormrepo/rustlings 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 ormrepo/rustlings
[INFO] finished frobbing ormrepo/rustlings
[INFO] frobbed toml for ormrepo/rustlings written to work/ex/beta-1.38-1/sources/1.37.0/gh/ormrepo/rustlings/Cargo.toml
[INFO] started frobbing ormrepo/rustlings
[INFO] finished frobbing ormrepo/rustlings
[INFO] frobbed toml for ormrepo/rustlings written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ormrepo/rustlings/Cargo.toml
[INFO] crate ormrepo/rustlings 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 ormrepo/rustlings against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ormrepo/rustlings:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3e45cac6c5f548037a9fad9772b2a652c003bd15a882d06f6d89f773acfcc78c
[INFO] running `"docker" "start" "-a" "3e45cac6c5f548037a9fad9772b2a652c003bd15a882d06f6d89f773acfcc78c"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "3e45cac6c5f548037a9fad9772b2a652c003bd15a882d06f6d89f773acfcc78c"`
[INFO] running `"docker" "rm" "-f" "3e45cac6c5f548037a9fad9772b2a652c003bd15a882d06f6d89f773acfcc78c"`
[INFO] [stdout] 3e45cac6c5f548037a9fad9772b2a652c003bd15a882d06f6d89f773acfcc78c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ormrepo/rustlings:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a842e8185ff806a944a7e648b4242f1a009dc6f5266823ac8b6b287db88389f5
[INFO] running `"docker" "start" "-a" "a842e8185ff806a944a7e648b4242f1a009dc6f5266823ac8b6b287db88389f5"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "a842e8185ff806a944a7e648b4242f1a009dc6f5266823ac8b6b287db88389f5"`
[INFO] running `"docker" "rm" "-f" "a842e8185ff806a944a7e648b4242f1a009dc6f5266823ac8b6b287db88389f5"`
[INFO] [stdout] a842e8185ff806a944a7e648b4242f1a009dc6f5266823ac8b6b287db88389f5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ormrepo/rustlings:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 7bbea009c6173f2c3f5e582768a22ae1b1a16bd85a141e2fc5ebcd1bdb883c13
[INFO] running `"docker" "start" "-a" "7bbea009c6173f2c3f5e582768a22ae1b1a16bd85a141e2fc5ebcd1bdb883c13"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-da1d7ac21bb3a396
[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" "7bbea009c6173f2c3f5e582768a22ae1b1a16bd85a141e2fc5ebcd1bdb883c13"`
[INFO] running `"docker" "rm" "-f" "7bbea009c6173f2c3f5e582768a22ae1b1a16bd85a141e2fc5ebcd1bdb883c13"`
[INFO] [stdout] 7bbea009c6173f2c3f5e582768a22ae1b1a16bd85a141e2fc5ebcd1bdb883c13