[INFO] updating cached repository https://github.com/JosephFerano/a02
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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 try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephFerano%2Fa02" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephFerano/a02 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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 /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephFerano/a02 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38ab4dec513488bdf38199e6f34d828db2d4bb0ea594af5dfb76228e589bf490
[INFO] running `"docker" "start" "-a" "38ab4dec513488bdf38199e6f34d828db2d4bb0ea594af5dfb76228e589bf490"`
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "38ab4dec513488bdf38199e6f34d828db2d4bb0ea594af5dfb76228e589bf490"`
[INFO] running `"docker" "rm" "-f" "38ab4dec513488bdf38199e6f34d828db2d4bb0ea594af5dfb76228e589bf490"`
[INFO] [stdout] 38ab4dec513488bdf38199e6f34d828db2d4bb0ea594af5dfb76228e589bf490
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43f2bc18881e18b17f803580fced08c671fde650703bd29101f53e9e0c326872
[INFO] running `"docker" "start" "-a" "43f2bc18881e18b17f803580fced08c671fde650703bd29101f53e9e0c326872"`
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `"docker" "inspect" "43f2bc18881e18b17f803580fced08c671fde650703bd29101f53e9e0c326872"`
[INFO] running `"docker" "rm" "-f" "43f2bc18881e18b17f803580fced08c671fde650703bd29101f53e9e0c326872"`
[INFO] [stdout] 43f2bc18881e18b17f803580fced08c671fde650703bd29101f53e9e0c326872
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 6d3267203ae38b536a09a4496c817a96f44a49fa2694d4d4ebb56b1a396321ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6d3267203ae38b536a09a4496c817a96f44a49fa2694d4d4ebb56b1a396321ac"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/a02-b1b1df661fc8425c
[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-d1f14110c1abcc2f
[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::replace_first_twice_because_of_miss ... ok
[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_second_because_its_no_longer_accessed ... ok
[INFO] [stdout] test tests::replace_the_last_one_to_be_accessed ... ok
[INFO] [stdout] test tests::alternating_hits_and_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] [stderr]      Running /opt/rustwide/target/debug/deps/second-081dd9ee8f3f5173
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::three_initial_accesses_are_all_simple_misses ... ok
[INFO] [stdout] test tests::replace_the_first_one_because_first_three_are_referenced ... ok
[INFO] [stdout] test tests::all_are_subsequent_hits_after_first_miss ... ok
[INFO] [stdout] test tests::replace_unreferenced_three_because_two_is_referenced ... ok
[INFO] [stdout] test tests::third_miss_is_miss_replace ... ok
[INFO] [stdout] test tests::alternating_hits_and_misses ... ok
[INFO] [stdout] test tests::replace_third_because_its_no_longer_referenced_after_replacing_first ... ok
[INFO] [stdout] test tests::replace_each_subsequent_page_because_none_are_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-b275b40281f16659
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[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::all_are_subsequent_hits_after_first_miss ... ok
[INFO] [stdout] test tests::evicts_one_and_four_because_age_is_old_enough ... 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::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" "6d3267203ae38b536a09a4496c817a96f44a49fa2694d4d4ebb56b1a396321ac"`
[INFO] running `"docker" "rm" "-f" "6d3267203ae38b536a09a4496c817a96f44a49fa2694d4d4ebb56b1a396321ac"`
[INFO] [stdout] 6d3267203ae38b536a09a4496c817a96f44a49fa2694d4d4ebb56b1a396321ac