[INFO] cloning repository JosephFerano/a02
[INFO] running `"git" "clone" "--bare" "git://github.com/JosephFerano/a02.git" "work/cache/sources/gh/JosephFerano/a02"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/JosephFerano/a02'...
[INFO] running `"git" "clone" "work/cache/sources/gh/JosephFerano/a02" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/JosephFerano/a02"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/JosephFerano/a02'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JosephFerano/a02" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JosephFerano/a02"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JosephFerano/a02'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cdff428101764a9227867a638339d1b7d6514646
[INFO] sha for GitHub repo JosephFerano/a02: cdff428101764a9227867a638339d1b7d6514646
[INFO] validating manifest of JosephFerano/a02 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 JosephFerano/a02 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 JosephFerano/a02
[INFO] finished frobbing JosephFerano/a02
[INFO] frobbed toml for JosephFerano/a02 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/JosephFerano/a02/Cargo.toml
[INFO] started frobbing JosephFerano/a02
[INFO] finished frobbing JosephFerano/a02
[INFO] frobbed toml for JosephFerano/a02 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JosephFerano/a02/Cargo.toml
[INFO] crate JosephFerano/a02 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 JosephFerano/a02 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JosephFerano/a02:/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] e39beeac196eb263669ece5d078578c342efa9e672b5f4485b26b6fea8cf5e39
[INFO] running `"docker" "start" "-a" "e39beeac196eb263669ece5d078578c342efa9e672b5f4485b26b6fea8cf5e39"`
[INFO] [stderr]    Compiling a02 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/wsclock.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |             let mut index;
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `"docker" "inspect" "e39beeac196eb263669ece5d078578c342efa9e672b5f4485b26b6fea8cf5e39"`
[INFO] running `"docker" "rm" "-f" "e39beeac196eb263669ece5d078578c342efa9e672b5f4485b26b6fea8cf5e39"`
[INFO] [stdout] e39beeac196eb263669ece5d078578c342efa9e672b5f4485b26b6fea8cf5e39
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JosephFerano/a02:/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] 5937fb6ad873e1df2f4759d56173bf387c2ccadfd889cd905352f8448f7a230f
[INFO] running `"docker" "start" "-a" "5937fb6ad873e1df2f4759d56173bf387c2ccadfd889cd905352f8448f7a230f"`
[INFO] [stderr]    Compiling a02 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/wsclock.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |             let mut index;
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `"docker" "inspect" "5937fb6ad873e1df2f4759d56173bf387c2ccadfd889cd905352f8448f7a230f"`
[INFO] running `"docker" "rm" "-f" "5937fb6ad873e1df2f4759d56173bf387c2ccadfd889cd905352f8448f7a230f"`
[INFO] [stdout] 5937fb6ad873e1df2f4759d56173bf387c2ccadfd889cd905352f8448f7a230f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JosephFerano/a02:/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] a7363f45a49c5463b163997a3ad929298c9e5a85f1d369a8e6f45bcfda8289ea
[INFO] running `"docker" "start" "-a" "a7363f45a49c5463b163997a3ad929298c9e5a85f1d369a8e6f45bcfda8289ea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/a02-d29e5a98f051eb31
[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] [stderr]      Running /opt/crater/target/debug/deps/optimal-d91f54cec0c6ca71
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::replace_first_twice_because_of_miss ... ok
[INFO] [stdout] test tests::replace_first_thrice ... ok
[INFO] [stdout] test tests::replace_first_and_third_because_they_are_no_longer_accessed ... ok
[INFO] [stdout] test tests::alternating_hits_and_misses ... ok
[INFO] [stdout] test tests::three_initial_accesses_are_all_simple_misses ... ok
[INFO] [stdout] test tests::all_are_subsequent_hits_after_first_miss ... ok
[INFO] [stdout] test tests::replace_second_because_its_no_longer_accessed ... ok
[INFO] [stdout] test tests::replace_the_last_one_to_be_accessed ... ok
[INFO] [stdout] test tests::third_miss_is_miss_replace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/second-0b414184efb44ea9
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::three_initial_accesses_are_all_simple_misses ... ok
[INFO] [stdout] test tests::third_miss_is_miss_replace ... ok
[INFO] [stdout] test tests::replace_unreferenced_three_because_two_is_referenced ... ok
[INFO] [stdout] test tests::replace_third_because_its_no_longer_referenced_after_replacing_first ... ok
[INFO] [stdout] test tests::replace_the_first_one_because_first_three_are_referenced ... ok
[INFO] [stdout] test tests::alternating_hits_and_misses ... ok
[INFO] [stdout] test tests::all_are_subsequent_hits_after_first_miss ... ok
[INFO] [stdout] test tests::replace_each_subsequent_page_because_none_are_referenced ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wsclock-ac5cfc70f7582761
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::three_initial_accesses_are_all_simple_misses ... ok
[INFO] [stdout] test tests::third_miss_is_miss_replace ... ok
[INFO] [stdout] test tests::all_are_subsequent_hits_after_first_miss ... ok
[INFO] [stdout] test tests::skips_dirty_page_two_for_clean_three_when_age_is_old ... ok
[INFO] [stdout] test tests::alternating_hits_and_misses ... ok
[INFO] [stdout] test tests::evicts_one_and_four_because_age_is_old_enough ... ok
[INFO] [stdout] test tests::evicts_first_then_four_since_two_and_three_are_later_referenced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests a02
[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" "a7363f45a49c5463b163997a3ad929298c9e5a85f1d369a8e6f45bcfda8289ea"`
[INFO] running `"docker" "rm" "-f" "a7363f45a49c5463b163997a3ad929298c9e5a85f1d369a8e6f45bcfda8289ea"`
[INFO] [stdout] a7363f45a49c5463b163997a3ad929298c9e5a85f1d369a8e6f45bcfda8289ea