[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/beta-1.38-1/sources/1.37.0/gh/UnlawfulMonad/regtest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/UnlawfulMonad/regtest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/UnlawfulMonad/regtest" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/UnlawfulMonad/regtest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 UnlawfulMonad/regtest 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 UnlawfulMonad/regtest
[INFO] finished frobbing UnlawfulMonad/regtest
[INFO] frobbed toml for UnlawfulMonad/regtest written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/UnlawfulMonad/regtest/Cargo.toml
[INFO] crate UnlawfulMonad/regtest 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 UnlawfulMonad/regtest 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-2/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/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=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] f21b3fcc85f81bb811f93dc61cb8fbe812de3fbd9e358cbb819bb153d759b752
[INFO] running `"docker" "start" "-a" "f21b3fcc85f81bb811f93dc61cb8fbe812de3fbd9e358cbb819bb153d759b752"`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[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 42.08s
[INFO] running `"docker" "inspect" "f21b3fcc85f81bb811f93dc61cb8fbe812de3fbd9e358cbb819bb153d759b752"`
[INFO] running `"docker" "rm" "-f" "f21b3fcc85f81bb811f93dc61cb8fbe812de3fbd9e358cbb819bb153d759b752"`
[INFO] [stdout] f21b3fcc85f81bb811f93dc61cb8fbe812de3fbd9e358cbb819bb153d759b752
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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=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] 35898431fc718667e552262701e8e1a49f154098381d9f15eabcf2f8de8018aa
[INFO] running `"docker" "start" "-a" "35898431fc718667e552262701e8e1a49f154098381d9f15eabcf2f8de8018aa"`
[INFO] [stderr]    Compiling regtest v0.3.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "35898431fc718667e552262701e8e1a49f154098381d9f15eabcf2f8de8018aa"`
[INFO] running `"docker" "rm" "-f" "35898431fc718667e552262701e8e1a49f154098381d9f15eabcf2f8de8018aa"`
[INFO] [stdout] 35898431fc718667e552262701e8e1a49f154098381d9f15eabcf2f8de8018aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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=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] 47c1985a40d72426e653e17ff9a7e3e2ec2d3edb92d8d6310a4bed6427ca7207
[INFO] running `"docker" "start" "-a" "47c1985a40d72426e653e17ff9a7e3e2ec2d3edb92d8d6310a4bed6427ca7207"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/regtest-4403738bfe7750c6
[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" "47c1985a40d72426e653e17ff9a7e3e2ec2d3edb92d8d6310a4bed6427ca7207"`
[INFO] running `"docker" "rm" "-f" "47c1985a40d72426e653e17ff9a7e3e2ec2d3edb92d8d6310a4bed6427ca7207"`
[INFO] [stdout] 47c1985a40d72426e653e17ff9a7e3e2ec2d3edb92d8d6310a4bed6427ca7207