[INFO] cloning repository yurrriq/rust-in-action
[INFO] running `"git" "clone" "--bare" "git://github.com/yurrriq/rust-in-action.git" "work/cache/sources/gh/yurrriq/rust-in-action"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/yurrriq/rust-in-action'...
[INFO] running `"git" "clone" "work/cache/sources/gh/yurrriq/rust-in-action" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yurrriq/rust-in-action"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yurrriq/rust-in-action'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yurrriq/rust-in-action" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yurrriq/rust-in-action"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yurrriq/rust-in-action'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b972d1bc6b8409c446ff7310117b96eabbf52cd8
[INFO] sha for GitHub repo yurrriq/rust-in-action: b972d1bc6b8409c446ff7310117b96eabbf52cd8
[INFO] validating manifest of yurrriq/rust-in-action on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yurrriq/rust-in-action on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yurrriq/rust-in-action
[INFO] finished frobbing yurrriq/rust-in-action
[INFO] frobbed toml for yurrriq/rust-in-action written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yurrriq/rust-in-action/Cargo.toml
[INFO] started frobbing yurrriq/rust-in-action
[INFO] finished frobbing yurrriq/rust-in-action
[INFO] frobbed toml for yurrriq/rust-in-action written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yurrriq/rust-in-action/Cargo.toml
[INFO] crate yurrriq/rust-in-action already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing yurrriq/rust-in-action against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yurrriq/rust-in-action:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 8944f2ab22b5c8bdd8e8c6b2516bed15bd1fb5e82983a700ca747057e5788bdf
[INFO] running `"docker" "start" "-a" "8944f2ab22b5c8bdd8e8c6b2516bed15bd1fb5e82983a700ca747057e5788bdf"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling rust-in-action v0.3.20 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `sat_a`
[INFO] [stderr]   --> src/bin/ch4-check-sat.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let sat_a = check_status(sat_a);
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_sat_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sat_a`
[INFO] [stderr]   --> src/bin/ch4-check-sats.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let sat_a = check_status(sat_a);
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_sat_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.48s
[INFO] running `"docker" "inspect" "8944f2ab22b5c8bdd8e8c6b2516bed15bd1fb5e82983a700ca747057e5788bdf"`
[INFO] running `"docker" "rm" "-f" "8944f2ab22b5c8bdd8e8c6b2516bed15bd1fb5e82983a700ca747057e5788bdf"`
[INFO] [stdout] 8944f2ab22b5c8bdd8e8c6b2516bed15bd1fb5e82983a700ca747057e5788bdf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yurrriq/rust-in-action:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 44e1210a0877fbe2e156c980739bc58e2d87f2bbd9449202c5074e05f7b769ee
[INFO] running `"docker" "start" "-a" "44e1210a0877fbe2e156c980739bc58e2d87f2bbd9449202c5074e05f7b769ee"`
[INFO] [stderr]    Compiling rust-in-action v0.3.20 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `sat_a`
[INFO] [stderr]   --> src/bin/ch4-check-sats.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let sat_a = check_status(sat_a);
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_sat_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sat_a`
[INFO] [stderr]   --> src/bin/ch4-check-sat.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let sat_a = check_status(sat_a);
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_sat_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `"docker" "inspect" "44e1210a0877fbe2e156c980739bc58e2d87f2bbd9449202c5074e05f7b769ee"`
[INFO] running `"docker" "rm" "-f" "44e1210a0877fbe2e156c980739bc58e2d87f2bbd9449202c5074e05f7b769ee"`
[INFO] [stdout] 44e1210a0877fbe2e156c980739bc58e2d87f2bbd9449202c5074e05f7b769ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yurrriq/rust-in-action:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 75a47260c05cf9193bd9464fb5c619fc3aaf7b60083e1456919cda78347be4a7
[INFO] running `"docker" "start" "-a" "75a47260c05cf9193bd9464fb5c619fc3aaf7b60083e1456919cda78347be4a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ch2_first_steps-d06921943e9505e6
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ch2_generic_with_traits-6523a9d46699b806
[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] [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/ch2_introducing_vec-15c27e19aa598e75
[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/ch2_match_needles-1dd39c7ce03f86ea
[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/ch2_needle_in_haystack-cce2116dc3215c2d
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ch2_non_base2-cddc7d796f68fcd3
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ch2_searching_with_regex-d99b4e7dc0407fcc
[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] [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/ch2_simple_with_enumerate-04a68f10849824ae
[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] [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] [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] [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/ch2_traversing_arrays-5c617bc0365a8b3f
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ch3_mock_files-8b3af46eec2008ba
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ch4_check_sat-5453512c39065010
[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] [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/ch4_check_sats-dfef28d718284c42
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ch4_sat_mailbox-7a1d4f45a960b0d4
[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" "75a47260c05cf9193bd9464fb5c619fc3aaf7b60083e1456919cda78347be4a7"`
[INFO] running `"docker" "rm" "-f" "75a47260c05cf9193bd9464fb5c619fc3aaf7b60083e1456919cda78347be4a7"`
[INFO] [stdout] 75a47260c05cf9193bd9464fb5c619fc3aaf7b60083e1456919cda78347be4a7