[INFO] updating cached repository statianzo/imposters
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/statianzo/imposters
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/statianzo/imposters" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/statianzo/imposters"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/statianzo/imposters'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/statianzo/imposters" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/statianzo/imposters"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/statianzo/imposters'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 344a5027ba57464a424c1906376445b6e208cb57
[INFO] sha for GitHub repo statianzo/imposters: 344a5027ba57464a424c1906376445b6e208cb57
[INFO] validating manifest of statianzo/imposters 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 statianzo/imposters 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 statianzo/imposters
[INFO] finished frobbing statianzo/imposters
[INFO] frobbed toml for statianzo/imposters written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/statianzo/imposters/Cargo.toml
[INFO] started frobbing statianzo/imposters
[INFO] finished frobbing statianzo/imposters
[INFO] frobbed toml for statianzo/imposters written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/statianzo/imposters/Cargo.toml
[INFO] crate statianzo/imposters 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 statianzo/imposters against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/statianzo/imposters:/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] e04f224867e61053e5303c74c03988a0fb0dc9a3cf66e00005ff182e9d406f65
[INFO] running `"docker" "start" "-a" "e04f224867e61053e5303c74c03988a0fb0dc9a3cf66e00005ff182e9d406f65"`
[INFO] [stderr]    Compiling imposters v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "e04f224867e61053e5303c74c03988a0fb0dc9a3cf66e00005ff182e9d406f65"`
[INFO] running `"docker" "rm" "-f" "e04f224867e61053e5303c74c03988a0fb0dc9a3cf66e00005ff182e9d406f65"`
[INFO] [stdout] e04f224867e61053e5303c74c03988a0fb0dc9a3cf66e00005ff182e9d406f65
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/statianzo/imposters:/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] 9e4485e1cc48cabe0b564976c7a14e99140c04b4633f37d7d13eab11eb45446a
[INFO] running `"docker" "start" "-a" "9e4485e1cc48cabe0b564976c7a14e99140c04b4633f37d7d13eab11eb45446a"`
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling imposters v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.78s
[INFO] running `"docker" "inspect" "9e4485e1cc48cabe0b564976c7a14e99140c04b4633f37d7d13eab11eb45446a"`
[INFO] running `"docker" "rm" "-f" "9e4485e1cc48cabe0b564976c7a14e99140c04b4633f37d7d13eab11eb45446a"`
[INFO] [stdout] 9e4485e1cc48cabe0b564976c7a14e99140c04b4633f37d7d13eab11eb45446a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/statianzo/imposters:/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] 607d0e576412994fe48651dbd33db0c5474b6acbdcf3114ee742f309e4961ed1
[INFO] running `"docker" "start" "-a" "607d0e576412994fe48651dbd33db0c5474b6acbdcf3114ee742f309e4961ed1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/imposters-f4d333d77993add2
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stdout] test ch05_bigo::search::test::test_binary_hit ... ok
[INFO] [stdout] test ch04_machinery::fsm::test_fsm ... ok
[INFO] [stdout] test ch04_machinery::turing::test_build ... ok
[INFO] [stdout] test ch05_bigo::search::test::test_brute_force_hit ... ok
[INFO] [stdout] test ch05_bigo::search::test::test_brute_force_miss ... ok
[INFO] [stdout] test ch05_bigo::search::test::test_binary_miss ... ok
[INFO] [stdout] test ch06_datastructures::graph::test::test_add_edge ... ok
[INFO] [stdout] test ch06_datastructures::graph::test::test_it_works ... ok
[INFO] [stdout] test ch06_datastructures::graph::test::test_weight_from ... ok
[INFO] [stdout] test ch06_datastructures::graph::test::test_weight_from_other ... ok
[INFO] [stdout] test ch06_datastructures::heap::test::test_from_iter ... ok
[INFO] [stdout] test ch06_datastructures::heap::test::test_priority ... ok
[INFO] [stdout] test ch06_datastructures::heap::test::test_iter ... ok
[INFO] [stdout] test ch06_datastructures::heap::test::test_new ... ok
[INFO] [stdout] test ch05_bigo::vec_basic::bench_vec_insert ... ok
[INFO] [stdout] test ch06_datastructures::heap::test::test_push_pop ... ok
[INFO] [stdout] test ch06_datastructures::heap::test::test_push ... ok
[INFO] [stdout] test ch06_datastructures::linked::test::test_can_construct ... ok
[INFO] [stdout] test ch06_datastructures::linked_im::test::test_append_str ... ok
[INFO] [stdout] test ch06_datastructures::linked_im::test::test_append ... ok
[INFO] [stdout] test ch06_datastructures::linked::test::test_iterate ... ok
[INFO] [stdout] test ch06_datastructures::linked_im::test::test_head ... ok
[INFO] [stdout] test ch05_bigo::vec_basic::bench_vec_access ... ok
[INFO] [stdout] test ch06_datastructures::linked_im::test::test_tail ... ok
[INFO] [stdout] test ch06_datastructures::linked::test::test_from_iter ... ok
[INFO] [stdout] test ch06_datastructures::linked_im::test::test_from_iter ... ok
[INFO] [stdout] test ch06_datastructures::queue::test::test_enqueue_dequeue ... ok
[INFO] [stdout] test ch06_datastructures::queue::test::test_enq_after_deq ... ok
[INFO] [stdout] test ch06_datastructures::queue::test::test_enqueue_len ... ok
[INFO] [stdout] test ch06_datastructures::queue::test::test_deqeue ... ok
[INFO] [stdout] test ch06_datastructures::queue::test::test_new_queue ... ok
[INFO] [stdout] test ch05_bigo::vec_basic::bench_vec_push ... ok
[INFO] [stdout] test ch07_algorithms::bench::bench_builtin_sort ... ok
[INFO] [stdout] test ch07_algorithms::bench::bench_heap_sort ... ok
[INFO] [stdout] test ch07_algorithms::bench::bench_builtin_unstable_sort ... ok
[INFO] [stdout] test ch07_algorithms::bubble::test::test_small_sort ... ok
[INFO] [stdout] test ch07_algorithms::bench::bench_merge_sort ... ok
[INFO] [stdout] test ch07_algorithms::heap::test::test_any_sort ... ok
[INFO] [stdout] test ch07_algorithms::heap::test::test_dud ... ok
[INFO] [stdout] test ch07_algorithms::heap::test::test_small_sort ... ok
[INFO] [stdout] test ch07_algorithms::insertion::test::test_small_sort ... ok
[INFO] [stdout] test ch07_algorithms::bench::bench_insertion_sort ... ok
[INFO] [stdout] test ch07_algorithms::insertion::test::test_any_sort ... ok
[INFO] [stdout] test ch07_algorithms::merge::test::test_small_sort ... ok
[INFO] [stdout] test ch07_algorithms::selection::test::test_small_sort ... ok
[INFO] [stdout] test ch07_algorithms::merge::test::test_any_sort ... ok
[INFO] [stdout] test ch08_adv_algs::bench::bench_fibonacci_nth ... ok
[INFO] [stdout] test ch08_adv_algs::fib::test::test_it ... ok
[INFO] [stdout] test ch08_adv_algs::fib::test::test_iterates ... ok
[INFO] [stdout] test ch08_adv_algs::fib::test::test_next ... ok
[INFO] [stdout] test ch07_algorithms::bench::bench_selection_sort ... ok
[INFO] [stdout] test ch09_compiler::lex::test::it_parses_anything_else ... ok
[INFO] [stdout] test ch08_adv_algs::fib::test::test_reset ... ok
[INFO] [stdout] test ch08_adv_algs::fib::test::test_iterator ... ok
[INFO] [stdout] test ch09_compiler::lex::test::it_parses_def ... ok
[INFO] [stdout] test ch09_compiler::lex::test::it_parses_multiple ... ok
[INFO] [stdout] test ch09_compiler::lex::test::it_parses_number ... ok
[INFO] [stdout] test ch09_compiler::lexer::test::test_it_parses_def ... ok
[INFO] [stdout] test ch09_compiler::lexer::test::test_it_parses_extern ... ok
[INFO] [stdout] test ch07_algorithms::bubble::test::test_any_sort ... ok
[INFO] [stdout] test ch09_compiler::lexer::test::test_it_parses_multiple ... ok
[INFO] [stdout] test ch09_compiler::lexer::test::test_it_parses_identifier ... ok
[INFO] [stdout] test ch10_patterns::adapter::test::test_it_works ... ok
[INFO] [stdout] test ch09_compiler::lexer::test::test_new ... ok
[INFO] [stdout] test ch09_compiler::lexer::test::test_it_parses_number ... ok
[INFO] [stdout] test ch10_patterns::factory::test::test_ctor ... ok
[INFO] [stdout] test ch10_patterns::builder::test::test_it_builds ... ok
[INFO] [stdout] test ch07_algorithms::selection::test::test_any_sort ... ok
[INFO] [stdout] test ch09_compiler::lex::test::it_parses_extern ... ok
[INFO] [stdout] test ch10_patterns::factory::test::test_defaults ... ok
[INFO] [stdout] test ch10_patterns::singleton::test::test_it_works ... ok
[INFO] [stdout] test ch07_algorithms::bench::bench_bubble_sort ... ok
[INFO] [stdout] test ch05_bigo::search::test::bench_brute_force ... ok
[INFO] [stdout] test ch05_bigo::search::test::bench_binary_search ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 74 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imposters
[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" "607d0e576412994fe48651dbd33db0c5474b6acbdcf3114ee742f309e4961ed1"`
[INFO] running `"docker" "rm" "-f" "607d0e576412994fe48651dbd33db0c5474b6acbdcf3114ee742f309e4961ed1"`
[INFO] [stdout] 607d0e576412994fe48651dbd33db0c5474b6acbdcf3114ee742f309e4961ed1