[INFO] updating cached repository courajs/mkchoice-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/courajs/mkchoice-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/courajs/mkchoice-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/courajs/mkchoice-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/courajs/mkchoice-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/courajs/mkchoice-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/courajs/mkchoice-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/courajs/mkchoice-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb44715679a56f7dd8ca91264672c0a21a6b4745
[INFO] sha for GitHub repo courajs/mkchoice-rs: bb44715679a56f7dd8ca91264672c0a21a6b4745
[INFO] validating manifest of courajs/mkchoice-rs 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 courajs/mkchoice-rs 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 courajs/mkchoice-rs
[INFO] finished frobbing courajs/mkchoice-rs
[INFO] frobbed toml for courajs/mkchoice-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/courajs/mkchoice-rs/Cargo.toml
[INFO] started frobbing courajs/mkchoice-rs
[INFO] finished frobbing courajs/mkchoice-rs
[INFO] frobbed toml for courajs/mkchoice-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/courajs/mkchoice-rs/Cargo.toml
[INFO] crate courajs/mkchoice-rs 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 courajs/mkchoice-rs 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-3/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/courajs/mkchoice-rs:/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] 12d61a707abbffac8110b722d8251a267277cbd197c5ec3f72e9f0e4e41fa3eb
[INFO] running `"docker" "start" "-a" "12d61a707abbffac8110b722d8251a267277cbd197c5ec3f72e9f0e4e41fa3eb"`
[INFO] [stderr]    Compiling termion v1.5.2
[INFO] [stderr]    Compiling mkchoice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `"docker" "inspect" "12d61a707abbffac8110b722d8251a267277cbd197c5ec3f72e9f0e4e41fa3eb"`
[INFO] running `"docker" "rm" "-f" "12d61a707abbffac8110b722d8251a267277cbd197c5ec3f72e9f0e4e41fa3eb"`
[INFO] [stdout] 12d61a707abbffac8110b722d8251a267277cbd197c5ec3f72e9f0e4e41fa3eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/courajs/mkchoice-rs:/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] 4f0a03128d7afbe95a4888cb303308c12874d30dea7e607972ffdebddada3da6
[INFO] running `"docker" "start" "-a" "4f0a03128d7afbe95a4888cb303308c12874d30dea7e607972ffdebddada3da6"`
[INFO] [stderr]    Compiling mkchoice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "4f0a03128d7afbe95a4888cb303308c12874d30dea7e607972ffdebddada3da6"`
[INFO] running `"docker" "rm" "-f" "4f0a03128d7afbe95a4888cb303308c12874d30dea7e607972ffdebddada3da6"`
[INFO] [stdout] 4f0a03128d7afbe95a4888cb303308c12874d30dea7e607972ffdebddada3da6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/courajs/mkchoice-rs:/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] 0594a1523a788e0bac28e3eee14aa314163afd2a45e2ac7d8303fa560e2b1586
[INFO] running `"docker" "start" "-a" "0594a1523a788e0bac28e3eee14aa314163afd2a45e2ac7d8303fa560e2b1586"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mkchoice-e31753164909126f
[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" "0594a1523a788e0bac28e3eee14aa314163afd2a45e2ac7d8303fa560e2b1586"`
[INFO] running `"docker" "rm" "-f" "0594a1523a788e0bac28e3eee14aa314163afd2a45e2ac7d8303fa560e2b1586"`
[INFO] [stdout] 0594a1523a788e0bac28e3eee14aa314163afd2a45e2ac7d8303fa560e2b1586