[INFO] updating cached repository mister-spock/muzzle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mister-spock/muzzle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mister-spock/muzzle" "work/ex/beta-1.38-1/sources/1.37.0/gh/mister-spock/muzzle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mister-spock/muzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mister-spock/muzzle" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mister-spock/muzzle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mister-spock/muzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36cfb79bf35cf058e71b9958e0f6b048f801e343
[INFO] sha for GitHub repo mister-spock/muzzle: 36cfb79bf35cf058e71b9958e0f6b048f801e343
[INFO] validating manifest of mister-spock/muzzle 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 mister-spock/muzzle 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 mister-spock/muzzle
[INFO] finished frobbing mister-spock/muzzle
[INFO] frobbed toml for mister-spock/muzzle written to work/ex/beta-1.38-1/sources/1.37.0/gh/mister-spock/muzzle/Cargo.toml
[INFO] started frobbing mister-spock/muzzle
[INFO] finished frobbing mister-spock/muzzle
[INFO] frobbed toml for mister-spock/muzzle written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mister-spock/muzzle/Cargo.toml
[INFO] crate mister-spock/muzzle 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 mister-spock/muzzle 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-4/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/mister-spock/muzzle:/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] 377e33984bdc4434a8c8fd81bf3ebe583a0c50106983f9556073af97ace286e9
[INFO] running `"docker" "start" "-a" "377e33984bdc4434a8c8fd81bf3ebe583a0c50106983f9556073af97ace286e9"`
[INFO] [stderr]    Compiling muzzle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `"docker" "inspect" "377e33984bdc4434a8c8fd81bf3ebe583a0c50106983f9556073af97ace286e9"`
[INFO] running `"docker" "rm" "-f" "377e33984bdc4434a8c8fd81bf3ebe583a0c50106983f9556073af97ace286e9"`
[INFO] [stdout] 377e33984bdc4434a8c8fd81bf3ebe583a0c50106983f9556073af97ace286e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mister-spock/muzzle:/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] 664e525df109c89963a45fd6a65a387dc22ddb4deefa70ad872bd197695e8955
[INFO] running `"docker" "start" "-a" "664e525df109c89963a45fd6a65a387dc22ddb4deefa70ad872bd197695e8955"`
[INFO] [stderr]    Compiling muzzle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "664e525df109c89963a45fd6a65a387dc22ddb4deefa70ad872bd197695e8955"`
[INFO] running `"docker" "rm" "-f" "664e525df109c89963a45fd6a65a387dc22ddb4deefa70ad872bd197695e8955"`
[INFO] [stdout] 664e525df109c89963a45fd6a65a387dc22ddb4deefa70ad872bd197695e8955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mister-spock/muzzle:/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] ee47e1ee09c91776774e50692ed5d1ae43b79034de094c721d1289172ac7b1dd
[INFO] running `"docker" "start" "-a" "ee47e1ee09c91776774e50692ed5d1ae43b79034de094c721d1289172ac7b1dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/muzzle-3bc9844346ddde9c
[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] [stderr]      Running /opt/crater/target/debug/deps/muzzle-9aa35eaec7c4a0fc
[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] [stderr]    Doc-tests muzzle
[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" "ee47e1ee09c91776774e50692ed5d1ae43b79034de094c721d1289172ac7b1dd"`
[INFO] running `"docker" "rm" "-f" "ee47e1ee09c91776774e50692ed5d1ae43b79034de094c721d1289172ac7b1dd"`
[INFO] [stdout] ee47e1ee09c91776774e50692ed5d1ae43b79034de094c721d1289172ac7b1dd