[INFO] updating cached repository https://github.com/JosephFerano/a02
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cdff428101764a9227867a638339d1b7d6514646
[INFO] testing JosephFerano/a02 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephFerano%2Fa02" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephFerano/a02 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JosephFerano/a02
[INFO] finished tweaking git repo https://github.com/JosephFerano/a02
[INFO] tweaked toml for git repo https://github.com/JosephFerano/a02 written to work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephFerano/a02 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 1f3856f3ba4e40f9279aa997223a35d3cff3b43aa6cc1e2eb084a37e9a5302e2
[INFO] running `"docker" "start" "-a" "1f3856f3ba4e40f9279aa997223a35d3cff3b43aa6cc1e2eb084a37e9a5302e2"`
[INFO] [stderr]    Compiling a02 v0.1.0 (/opt/rustwide/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 0.79s
[INFO] running `"docker" "inspect" "1f3856f3ba4e40f9279aa997223a35d3cff3b43aa6cc1e2eb084a37e9a5302e2"`
[INFO] running `"docker" "rm" "-f" "1f3856f3ba4e40f9279aa997223a35d3cff3b43aa6cc1e2eb084a37e9a5302e2"`
[INFO] [stdout] 1f3856f3ba4e40f9279aa997223a35d3cff3b43aa6cc1e2eb084a37e9a5302e2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 47816fb88dfaff86ff985ea9236123208e4b46c7c0e81d87a0a9374512bc1e14
[INFO] running `"docker" "start" "-a" "47816fb88dfaff86ff985ea9236123208e4b46c7c0e81d87a0a9374512bc1e14"`
[INFO] [stderr]    Compiling a02 v0.1.0 (/opt/rustwide/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 2.45s
[INFO] running `"docker" "inspect" "47816fb88dfaff86ff985ea9236123208e4b46c7c0e81d87a0a9374512bc1e14"`
[INFO] running `"docker" "rm" "-f" "47816fb88dfaff86ff985ea9236123208e4b46c7c0e81d87a0a9374512bc1e14"`
[INFO] [stdout] 47816fb88dfaff86ff985ea9236123208e4b46c7c0e81d87a0a9374512bc1e14
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] ab5587a36179a37f721d50219f299cc890eee3b6f131f35983ec8eacb634aea3
[INFO] running `"docker" "start" "-a" "ab5587a36179a37f721d50219f299cc890eee3b6f131f35983ec8eacb634aea3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/a02-2a65b1542603ce67
[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/rustwide/target/debug/deps/optimal-e624bb1f07eb8114
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::all_are_subsequent_hits_after_first_miss ... ok
[INFO] [stdout] test tests::replace_first_thrice ... ok
[INFO] [stdout] test tests::alternating_hits_and_misses ... ok
[INFO] [stdout] test tests::replace_first_twice_because_of_miss ... 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] test tests::replace_second_because_its_no_longer_accessed ... ok
[INFO] [stdout] test tests::three_initial_accesses_are_all_simple_misses ... ok
[INFO] [stdout] test tests::replace_first_and_third_because_they_are_no_longer_accessed ... 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/rustwide/target/debug/deps/second-c4ba14aa47259321
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::all_are_subsequent_hits_after_first_miss ... ok
[INFO] [stdout] test tests::replace_third_because_its_no_longer_referenced_after_replacing_first ... ok
[INFO] [stdout] test tests::third_miss_is_miss_replace ... ok
[INFO] [stdout] test tests::three_initial_accesses_are_all_simple_misses ... ok
[INFO] [stdout] test tests::alternating_hits_and_misses ... ok
[INFO] [stdout] test tests::replace_each_subsequent_page_because_none_are_referenced ... ok
[INFO] [stdout] test tests::replace_the_first_one_because_first_three_are_referenced ... ok
[INFO] [stdout] test tests::replace_unreferenced_three_because_two_is_referenced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wsclock-0af7a98eaa112b8e
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[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::third_miss_is_miss_replace ... ok
[INFO] [stdout] test tests::alternating_hits_and_misses ... ok
[INFO] [stdout] test tests::evicts_first_then_four_since_two_and_three_are_later_referenced ... ok
[INFO] [stdout] test tests::evicts_one_and_four_because_age_is_old_enough ... ok
[INFO] [stdout] test tests::three_initial_accesses_are_all_simple_misses ... 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" "ab5587a36179a37f721d50219f299cc890eee3b6f131f35983ec8eacb634aea3"`
[INFO] running `"docker" "rm" "-f" "ab5587a36179a37f721d50219f299cc890eee3b6f131f35983ec8eacb634aea3"`
[INFO] [stdout] ab5587a36179a37f721d50219f299cc890eee3b6f131f35983ec8eacb634aea3