[INFO] fetching crate advent 0.2.2...
[INFO] testing advent-0.2.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate advent 0.2.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate advent 0.2.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d2a1ba1f46a6720d2eb18f970d45a8dc22817cd7024fed916f9d5000484cd2
[INFO] running `Command { std: "docker" "start" "-a" "c3d2a1ba1f46a6720d2eb18f970d45a8dc22817cd7024fed916f9d5000484cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d2a1ba1f46a6720d2eb18f970d45a8dc22817cd7024fed916f9d5000484cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d2a1ba1f46a6720d2eb18f970d45a8dc22817cd7024fed916f9d5000484cd2", kill_on_drop: false }`
[INFO] [stdout] c3d2a1ba1f46a6720d2eb18f970d45a8dc22817cd7024fed916f9d5000484cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6152768d9ea23d23eac006c2446321e64df552abdb8c35946a6551fa2aa7263b
[INFO] running `Command { std: "docker" "start" "-a" "6152768d9ea23d23eac006c2446321e64df552abdb8c35946a6551fa2aa7263b", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/y2018/day2.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     (twice * thrice)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6152768d9ea23d23eac006c2446321e64df552abdb8c35946a6551fa2aa7263b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6152768d9ea23d23eac006c2446321e64df552abdb8c35946a6551fa2aa7263b", kill_on_drop: false }`
[INFO] [stdout] 6152768d9ea23d23eac006c2446321e64df552abdb8c35946a6551fa2aa7263b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a1260d3e65b024ad1e2f1c24c408c33f7ef6f2485f5ffdf2052cfe4e97caf05
[INFO] running `Command { std: "docker" "start" "-a" "3a1260d3e65b024ad1e2f1c24c408c33f7ef6f2485f5ffdf2052cfe4e97caf05", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/y2018/day2.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     (twice * thrice)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advent v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/y2018/day2.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     (twice * thrice)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "3a1260d3e65b024ad1e2f1c24c408c33f7ef6f2485f5ffdf2052cfe4e97caf05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1260d3e65b024ad1e2f1c24c408c33f7ef6f2485f5ffdf2052cfe4e97caf05", kill_on_drop: false }`
[INFO] [stdout] 3a1260d3e65b024ad1e2f1c24c408c33f7ef6f2485f5ffdf2052cfe4e97caf05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31d59d312069e7f80a1b432af45668173ab04b098896ca21d9f0282539c04252
[INFO] running `Command { std: "docker" "start" "-a" "31d59d312069e7f80a1b432af45668173ab04b098896ca21d9f0282539c04252", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 18 tests
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent-a16b9899e6367e5d)
[INFO] [stdout] test y2017::day1::solution ... ok
[INFO] [stdout] test y2017::day1::examples ... ok
[INFO] [stdout] test y2017::day2::examples ... ok
[INFO] [stdout] test y2018::day2::examples ... ok
[INFO] [stdout] test y2017::day2::solution ... ok
[INFO] [stdout] test y2018::day3::examples ... ok
[INFO] [stdout] test y2017::day4::examples ... ok
[INFO] [stdout] test y2017::day3::examples ... ok
[INFO] [stdout] test y2018::day1::examples ... ok
[INFO] [stdout] test y2017::day4::solution ... ok
[INFO] [stdout] test y2018::day4::examples ... ok
[INFO] [stdout] test y2018::day5::examples ... ok
[INFO] [stdout] test y2017::day3::solution ... ok
[INFO] [stdout] test y2018::day4::solution ... ok
[INFO] [stdout] test y2018::day2::solution ... ok
[INFO] [stdout] test y2018::day3::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; finished in 23.65s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests advent
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31d59d312069e7f80a1b432af45668173ab04b098896ca21d9f0282539c04252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d59d312069e7f80a1b432af45668173ab04b098896ca21d9f0282539c04252", kill_on_drop: false }`
[INFO] [stdout] 31d59d312069e7f80a1b432af45668173ab04b098896ca21d9f0282539c04252