[INFO] updating cached repository jwworth/coin_toss
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jwworth/coin_toss
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jwworth/coin_toss" "work/ex/beta-1.38-1/sources/1.37.0/gh/jwworth/coin_toss"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jwworth/coin_toss'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jwworth/coin_toss" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jwworth/coin_toss"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jwworth/coin_toss'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dba15b48992d9676f445370a9243fb9cd986d1ea
[INFO] sha for GitHub repo jwworth/coin_toss: dba15b48992d9676f445370a9243fb9cd986d1ea
[INFO] validating manifest of jwworth/coin_toss 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 jwworth/coin_toss 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 jwworth/coin_toss
[INFO] finished frobbing jwworth/coin_toss
[INFO] frobbed toml for jwworth/coin_toss written to work/ex/beta-1.38-1/sources/1.37.0/gh/jwworth/coin_toss/Cargo.toml
[INFO] started frobbing jwworth/coin_toss
[INFO] finished frobbing jwworth/coin_toss
[INFO] frobbed toml for jwworth/coin_toss written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jwworth/coin_toss/Cargo.toml
[INFO] crate jwworth/coin_toss 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jwworth/coin_toss/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 jwworth/coin_toss 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-7/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/jwworth/coin_toss:/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] e03b67f6e1ec36d277bbad0f60cedb96e3feb4aa55d1f5ee2a8a76b5c7f228ac
[INFO] running `"docker" "start" "-a" "e03b67f6e1ec36d277bbad0f60cedb96e3feb4aa55d1f5ee2a8a76b5c7f228ac"`
[INFO] [stderr]    Compiling coin_toss v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "e03b67f6e1ec36d277bbad0f60cedb96e3feb4aa55d1f5ee2a8a76b5c7f228ac"`
[INFO] running `"docker" "rm" "-f" "e03b67f6e1ec36d277bbad0f60cedb96e3feb4aa55d1f5ee2a8a76b5c7f228ac"`
[INFO] [stdout] e03b67f6e1ec36d277bbad0f60cedb96e3feb4aa55d1f5ee2a8a76b5c7f228ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/jwworth/coin_toss:/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] 898ff42919abc8550f118650ae69aa350488d6e9b2b8cc6ce8354c47acb26944
[INFO] running `"docker" "start" "-a" "898ff42919abc8550f118650ae69aa350488d6e9b2b8cc6ce8354c47acb26944"`
[INFO] [stderr]    Compiling coin_toss v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "898ff42919abc8550f118650ae69aa350488d6e9b2b8cc6ce8354c47acb26944"`
[INFO] running `"docker" "rm" "-f" "898ff42919abc8550f118650ae69aa350488d6e9b2b8cc6ce8354c47acb26944"`
[INFO] [stdout] 898ff42919abc8550f118650ae69aa350488d6e9b2b8cc6ce8354c47acb26944
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/jwworth/coin_toss:/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] 32d3a057103239c1183e11847c141d4ed90e548ce45a0f0fc6e797730e54dee8
[INFO] running `"docker" "start" "-a" "32d3a057103239c1183e11847c141d4ed90e548ce45a0f0fc6e797730e54dee8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coin_toss-373ed210433faeb8
[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" "32d3a057103239c1183e11847c141d4ed90e548ce45a0f0fc6e797730e54dee8"`
[INFO] running `"docker" "rm" "-f" "32d3a057103239c1183e11847c141d4ed90e548ce45a0f0fc6e797730e54dee8"`
[INFO] [stdout] 32d3a057103239c1183e11847c141d4ed90e548ce45a0f0fc6e797730e54dee8