[INFO] crate advent 0.2.2 is already in cache
[INFO] testing advent-0.2.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate advent 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate advent 0.2.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate advent 0.2.2
[INFO] finished tweaking crates.io crate advent 0.2.2
[INFO] tweaked toml for crates.io crate advent 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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-2020-06-03" "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] dc7d2ecf5a5858e7865d2be48ff4d4ebcde037bc4299c555ba48d9c691e3e73f
[INFO] running `"docker" "start" "-a" "dc7d2ecf5a5858e7865d2be48ff4d4ebcde037bc4299c555ba48d9c691e3e73f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling advent v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/y2018/day2.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     (twice * thrice)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `"docker" "inspect" "dc7d2ecf5a5858e7865d2be48ff4d4ebcde037bc4299c555ba48d9c691e3e73f"`
[INFO] running `"docker" "rm" "-f" "dc7d2ecf5a5858e7865d2be48ff4d4ebcde037bc4299c555ba48d9c691e3e73f"`
[INFO] [stdout] dc7d2ecf5a5858e7865d2be48ff4d4ebcde037bc4299c555ba48d9c691e3e73f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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-2020-06-03" "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] 19b955447238b05a6c067011684980e1fe28352496100ca51bc8c35b6bfd93e8
[INFO] running `"docker" "start" "-a" "19b955447238b05a6c067011684980e1fe28352496100ca51bc8c35b6bfd93e8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling advent v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/y2018/day2.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     (twice * thrice)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/y2018/day2.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     (twice * thrice)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `"docker" "inspect" "19b955447238b05a6c067011684980e1fe28352496100ca51bc8c35b6bfd93e8"`
[INFO] running `"docker" "rm" "-f" "19b955447238b05a6c067011684980e1fe28352496100ca51bc8c35b6bfd93e8"`
[INFO] [stdout] 19b955447238b05a6c067011684980e1fe28352496100ca51bc8c35b6bfd93e8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 4cfbb81b52fb4670db0474cfc52e1b8b9ab1c63c223da18c4e13cdd0bc78cb00
[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" "4cfbb81b52fb4670db0474cfc52e1b8b9ab1c63c223da18c4e13cdd0bc78cb00"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/y2018/day2.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     (twice * thrice)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/y2018/day2.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     (twice * thrice)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent-699e57866a2d993c
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test y2017::day1::examples ... ok
[INFO] [stdout] test y2018::day5::examples ... ok
[INFO] [stdout] test y2017::day2::examples ... ok
[INFO] [stdout] test y2018::day2::examples ... ok
[INFO] [stdout] test y2018::day1::examples ... ok
[INFO] [stdout] test y2017::day3::examples ... ok
[INFO] [stdout] test y2018::day3::examples ... ok
[INFO] [stdout] test y2018::day4::examples ... ok
[INFO] [stdout] test y2017::day1::solution ... ok
[INFO] [stdout] test y2017::day4::examples ... ok
[INFO] [stdout] test y2017::day2::solution ... ok
[INFO] [stdout] test y2017::day3::solution ... ok
[INFO] [stdout] test y2018::day4::solution ... ok
[INFO] [stdout] test y2017::day4::solution ... ok
[INFO] [stdout] test y2018::day3::solution ... ok
[INFO] [stdout] test y2018::day2::solution ... ok
[INFO] [stdout] test y2018::day1::solution ... ok
[INFO] [stdout] test y2018::day5::solution ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests advent
[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" "4cfbb81b52fb4670db0474cfc52e1b8b9ab1c63c223da18c4e13cdd0bc78cb00"`
[INFO] running `"docker" "rm" "-f" "4cfbb81b52fb4670db0474cfc52e1b8b9ab1c63c223da18c4e13cdd0bc78cb00"`
[INFO] [stdout] 4cfbb81b52fb4670db0474cfc52e1b8b9ab1c63c223da18c4e13cdd0bc78cb00