[INFO] updating cached repository michaelmelanson/fab-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaelmelanson/fab-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelmelanson/fab-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/michaelmelanson/fab-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/michaelmelanson/fab-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelmelanson/fab-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/michaelmelanson/fab-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/michaelmelanson/fab-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4dd22077145f9dd6376c12e80d2d07b2afaa651
[INFO] sha for GitHub repo michaelmelanson/fab-rs: f4dd22077145f9dd6376c12e80d2d07b2afaa651
[INFO] validating manifest of michaelmelanson/fab-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of michaelmelanson/fab-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing michaelmelanson/fab-rs
[INFO] finished frobbing michaelmelanson/fab-rs
[INFO] frobbed toml for michaelmelanson/fab-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/michaelmelanson/fab-rs/Cargo.toml
[INFO] started frobbing michaelmelanson/fab-rs
[INFO] finished frobbing michaelmelanson/fab-rs
[INFO] frobbed toml for michaelmelanson/fab-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/michaelmelanson/fab-rs/Cargo.toml
[INFO] crate michaelmelanson/fab-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing michaelmelanson/fab-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/michaelmelanson/fab-rs:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 15925d68a2df4d8c123d25d68fe9b49d619128b7c702ff246f425bad501e7612
[INFO] running `"docker" "start" "-a" "15925d68a2df4d8c123d25d68fe9b49d619128b7c702ff246f425bad501e7612"`
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling fab v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |             err.cause()
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.86s
[INFO] running `"docker" "inspect" "15925d68a2df4d8c123d25d68fe9b49d619128b7c702ff246f425bad501e7612"`
[INFO] running `"docker" "rm" "-f" "15925d68a2df4d8c123d25d68fe9b49d619128b7c702ff246f425bad501e7612"`
[INFO] [stdout] 15925d68a2df4d8c123d25d68fe9b49d619128b7c702ff246f425bad501e7612
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/michaelmelanson/fab-rs:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4a308702f2def40ac22528e82de8de2d8fb773a82a96ac0205bf2c5d58b93986
[INFO] running `"docker" "start" "-a" "4a308702f2def40ac22528e82de8de2d8fb773a82a96ac0205bf2c5d58b93986"`
[INFO] [stderr]    Compiling fab v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |             err.cause()
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `"docker" "inspect" "4a308702f2def40ac22528e82de8de2d8fb773a82a96ac0205bf2c5d58b93986"`
[INFO] running `"docker" "rm" "-f" "4a308702f2def40ac22528e82de8de2d8fb773a82a96ac0205bf2c5d58b93986"`
[INFO] [stdout] 4a308702f2def40ac22528e82de8de2d8fb773a82a96ac0205bf2c5d58b93986
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/michaelmelanson/fab-rs:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e74b4b112f5bdc771a26d36409438d1f644b927b2808ccd3c6c94a0f53cd04aa
[INFO] running `"docker" "start" "-a" "e74b4b112f5bdc771a26d36409438d1f644b927b2808ccd3c6c94a0f53cd04aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fab-826a538831987da6
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test makefile::tests::makefile_blank_line_test ... ok
[INFO] [stdout] test makefile::tests::makefile_commands_with_blank_lines_test ... ok
[INFO] [stdout] test makefile::tests::makefile_empty_test ... ok
[INFO] [stdout] test makefile::tests::makefile_with_multiple_rules_test ... ok
[INFO] [stdout] test makefile::tests::makefile_with_commands_test ... ok
[INFO] [stdout] test makefile::tests::makefile_one_rule_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fab-9b91b6e070faa485
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test makefile::tests::makefile_blank_line_test ... ok
[INFO] [stdout] test makefile::tests::makefile_with_commands_test ... ok
[INFO] [stdout] test makefile::tests::makefile_commands_with_blank_lines_test ... ok
[INFO] [stdout] test makefile::tests::makefile_with_multiple_rules_test ... ok
[INFO] [stdout] test makefile::tests::makefile_one_rule_test ... ok
[INFO] [stdout] test makefile::tests::makefile_empty_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fab
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/plan.rs - plan::plan_execution (line 28) ... ok
[INFO] [stdout] test src/plan.rs - plan::find_rule (line 103) ... 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" "e74b4b112f5bdc771a26d36409438d1f644b927b2808ccd3c6c94a0f53cd04aa"`
[INFO] running `"docker" "rm" "-f" "e74b4b112f5bdc771a26d36409438d1f644b927b2808ccd3c6c94a0f53cd04aa"`
[INFO] [stdout] e74b4b112f5bdc771a26d36409438d1f644b927b2808ccd3c6c94a0f53cd04aa