[INFO] updating cached repository UnlawfulMonad/regtest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/UnlawfulMonad/regtest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/UnlawfulMonad/regtest" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/UnlawfulMonad/regtest"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/UnlawfulMonad/regtest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/UnlawfulMonad/regtest" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/UnlawfulMonad/regtest"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/UnlawfulMonad/regtest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 263c3a5cdf093113a911b84579d4c0eb3b609b49
[INFO] sha for GitHub repo UnlawfulMonad/regtest: 263c3a5cdf093113a911b84579d4c0eb3b609b49
[INFO] validating manifest of UnlawfulMonad/regtest on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of UnlawfulMonad/regtest on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing UnlawfulMonad/regtest
[INFO] finished frobbing UnlawfulMonad/regtest
[INFO] frobbed toml for UnlawfulMonad/regtest written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/UnlawfulMonad/regtest/Cargo.toml
[INFO] started frobbing UnlawfulMonad/regtest
[INFO] finished frobbing UnlawfulMonad/regtest
[INFO] frobbed toml for UnlawfulMonad/regtest written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/UnlawfulMonad/regtest/Cargo.toml
[INFO] crate UnlawfulMonad/regtest has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing UnlawfulMonad/regtest against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/UnlawfulMonad/regtest:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 51cd9d548a3c37e023c8b241010a81d42a62c64af7202d13feb05b0b6971a58b
[INFO] running `"docker" "start" "-a" "51cd9d548a3c37e023c8b241010a81d42a62c64af7202d13feb05b0b6971a58b"`
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling app_dirs v1.1.1
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling regtest v0.3.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.94s
[INFO] running `"docker" "inspect" "51cd9d548a3c37e023c8b241010a81d42a62c64af7202d13feb05b0b6971a58b"`
[INFO] running `"docker" "rm" "-f" "51cd9d548a3c37e023c8b241010a81d42a62c64af7202d13feb05b0b6971a58b"`
[INFO] [stdout] 51cd9d548a3c37e023c8b241010a81d42a62c64af7202d13feb05b0b6971a58b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/UnlawfulMonad/regtest:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 005d92656fb9a9620692943fa275ea5c021c8a15752b62a9ab90bc73705b63e0
[INFO] running `"docker" "start" "-a" "005d92656fb9a9620692943fa275ea5c021c8a15752b62a9ab90bc73705b63e0"`
[INFO] [stderr]    Compiling regtest v0.3.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "005d92656fb9a9620692943fa275ea5c021c8a15752b62a9ab90bc73705b63e0"`
[INFO] running `"docker" "rm" "-f" "005d92656fb9a9620692943fa275ea5c021c8a15752b62a9ab90bc73705b63e0"`
[INFO] [stdout] 005d92656fb9a9620692943fa275ea5c021c8a15752b62a9ab90bc73705b63e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/UnlawfulMonad/regtest:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 756503d16b4154d0223bc63d6c402641e6409c24d221b9b59c1abe7c0f4ef39d
[INFO] running `"docker" "start" "-a" "756503d16b4154d0223bc63d6c402641e6409c24d221b9b59c1abe7c0f4ef39d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/regtest-38bfc49adb12f4df
[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" "756503d16b4154d0223bc63d6c402641e6409c24d221b9b59c1abe7c0f4ef39d"`
[INFO] running `"docker" "rm" "-f" "756503d16b4154d0223bc63d6c402641e6409c24d221b9b59c1abe7c0f4ef39d"`
[INFO] [stdout] 756503d16b4154d0223bc63d6c402641e6409c24d221b9b59c1abe7c0f4ef39d