[INFO] updating cached repository Helvethor/confy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Helvethor/confy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Helvethor/confy" "work/ex/beta-1.38-1/sources/1.37.0/gh/Helvethor/confy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Helvethor/confy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Helvethor/confy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Helvethor/confy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Helvethor/confy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 924a5518fa5fe7fd8ec33f3de7d0d89b3f19c4f0
[INFO] sha for GitHub repo Helvethor/confy: 924a5518fa5fe7fd8ec33f3de7d0d89b3f19c4f0
[INFO] validating manifest of Helvethor/confy 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 Helvethor/confy 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 Helvethor/confy
[INFO] finished frobbing Helvethor/confy
[INFO] frobbed toml for Helvethor/confy written to work/ex/beta-1.38-1/sources/1.37.0/gh/Helvethor/confy/Cargo.toml
[INFO] started frobbing Helvethor/confy
[INFO] finished frobbing Helvethor/confy
[INFO] frobbed toml for Helvethor/confy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Helvethor/confy/Cargo.toml
[INFO] crate Helvethor/confy 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Helvethor/confy 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-6/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/Helvethor/confy:/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] d6ab2be61f0a9b9599d584135158cc1cc8402eaaa6d0d1b9a1a56d50f94dee1c
[INFO] running `"docker" "start" "-a" "d6ab2be61f0a9b9599d584135158cc1cc8402eaaa6d0d1b9a1a56d50f94dee1c"`
[INFO] [stderr]    Compiling termcolor v0.3.3
[INFO] [stderr]    Compiling inotify-sys v0.1.2
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling clap v2.29.1
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling inotify v0.5.0
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling env_logger v0.5.0-rc.2
[INFO] [stderr]    Compiling confy v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.48s
[INFO] running `"docker" "inspect" "d6ab2be61f0a9b9599d584135158cc1cc8402eaaa6d0d1b9a1a56d50f94dee1c"`
[INFO] running `"docker" "rm" "-f" "d6ab2be61f0a9b9599d584135158cc1cc8402eaaa6d0d1b9a1a56d50f94dee1c"`
[INFO] [stdout] d6ab2be61f0a9b9599d584135158cc1cc8402eaaa6d0d1b9a1a56d50f94dee1c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/Helvethor/confy:/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] aca0f94702b9fd6bd914d5b549f8c67e384ab69daa09a32a3ddcf293d5b9190b
[INFO] running `"docker" "start" "-a" "aca0f94702b9fd6bd914d5b549f8c67e384ab69daa09a32a3ddcf293d5b9190b"`
[INFO] [stderr]    Compiling confy v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `"docker" "inspect" "aca0f94702b9fd6bd914d5b549f8c67e384ab69daa09a32a3ddcf293d5b9190b"`
[INFO] running `"docker" "rm" "-f" "aca0f94702b9fd6bd914d5b549f8c67e384ab69daa09a32a3ddcf293d5b9190b"`
[INFO] [stdout] aca0f94702b9fd6bd914d5b549f8c67e384ab69daa09a32a3ddcf293d5b9190b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/Helvethor/confy:/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] 6f2b6d81570acccaaec1cee861e13a311c409c68ceba52db1fd06a1bab8e2a9f
[INFO] running `"docker" "start" "-a" "6f2b6d81570acccaaec1cee861e13a311c409c68ceba52db1fd06a1bab8e2a9f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/confy-26032795fc8d3096
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test variables::test::test_disjoint_set ... ok
[INFO] [stdout] test variables::test::test_variables ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6f2b6d81570acccaaec1cee861e13a311c409c68ceba52db1fd06a1bab8e2a9f"`
[INFO] running `"docker" "rm" "-f" "6f2b6d81570acccaaec1cee861e13a311c409c68ceba52db1fd06a1bab8e2a9f"`
[INFO] [stdout] 6f2b6d81570acccaaec1cee861e13a311c409c68ceba52db1fd06a1bab8e2a9f