[INFO] fetching crate advent 0.2.2...
[INFO] testing advent-0.2.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate advent 0.2.2 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate advent 0.2.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 541ced550c9aa334492e9ac8c1fd0c349a615a7b1dc45e149a0b512bd2bf7235
[INFO] running `Command { std: "docker" "start" "-a" "541ced550c9aa334492e9ac8c1fd0c349a615a7b1dc45e149a0b512bd2bf7235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541ced550c9aa334492e9ac8c1fd0c349a615a7b1dc45e149a0b512bd2bf7235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541ced550c9aa334492e9ac8c1fd0c349a615a7b1dc45e149a0b512bd2bf7235", kill_on_drop: false }`
[INFO] [stdout] 541ced550c9aa334492e9ac8c1fd0c349a615a7b1dc45e149a0b512bd2bf7235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e8539529a3a68f66d497fa3168abb0afc5f87e1fae80e567dd77e274b826321
[INFO] running `Command { std: "docker" "start" "-a" "9e8539529a3a68f66d497fa3168abb0afc5f87e1fae80e567dd77e274b826321", 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]    |     ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -     (twice * thrice)
[INFO] [stdout] 24 +     twice * thrice
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "9e8539529a3a68f66d497fa3168abb0afc5f87e1fae80e567dd77e274b826321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8539529a3a68f66d497fa3168abb0afc5f87e1fae80e567dd77e274b826321", kill_on_drop: false }`
[INFO] [stdout] 9e8539529a3a68f66d497fa3168abb0afc5f87e1fae80e567dd77e274b826321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8960944c07e99c3f3947968bbf8b9fbf8c2a4910bc2bd0681041f4b136d063c
[INFO] running `Command { std: "docker" "start" "-a" "f8960944c07e99c3f3947968bbf8b9fbf8c2a4910bc2bd0681041f4b136d063c", 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]    |     ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -     (twice * thrice)
[INFO] [stdout] 24 +     twice * thrice
[INFO] [stdout]    | 
[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]    |     ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -     (twice * thrice)
[INFO] [stdout] 24 +     twice * thrice
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "f8960944c07e99c3f3947968bbf8b9fbf8c2a4910bc2bd0681041f4b136d063c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8960944c07e99c3f3947968bbf8b9fbf8c2a4910bc2bd0681041f4b136d063c", kill_on_drop: false }`
[INFO] [stdout] f8960944c07e99c3f3947968bbf8b9fbf8c2a4910bc2bd0681041f4b136d063c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2e7f76523c66909154e4fcec0472f3282750c5cf4acab53c33f8035b8c8b602
[INFO] running `Command { std: "docker" "start" "-a" "b2e7f76523c66909154e4fcec0472f3282750c5cf4acab53c33f8035b8c8b602", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    |     ^              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 24 -     (twice * thrice)
[INFO] [stderr] 24 +     twice * thrice
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `advent` (lib) generated 1 warning
[INFO] [stderr] warning: `advent` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent-5175f4634cfc696f)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test y2017::day1::examples ... ok
[INFO] [stdout] test y2017::day2::examples ... ok
[INFO] [stdout] test y2017::day1::solution ... ok
[INFO] [stdout] test y2017::day2::solution ... ok
[INFO] [stdout] test y2017::day3::examples ... ok
[INFO] [stdout] test y2018::day1::examples ... ok
[INFO] [stdout] test y2017::day4::examples ... ok
[INFO] [stdout] test y2018::day2::examples ... ok
[INFO] [stdout] test y2018::day3::examples ... 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 y2017::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] [stderr]    Doc-tests advent
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 20.27s
[INFO] [stderr]   --> /opt/rustwide/workdir/src/y2018/day2.rs:24:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 24 |     (twice * thrice)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |     ^              ^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 24 -     (twice * thrice)
[INFO] [stderr] 24 +     twice * thrice
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "b2e7f76523c66909154e4fcec0472f3282750c5cf4acab53c33f8035b8c8b602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e7f76523c66909154e4fcec0472f3282750c5cf4acab53c33f8035b8c8b602", kill_on_drop: false }`
[INFO] [stdout] b2e7f76523c66909154e4fcec0472f3282750c5cf4acab53c33f8035b8c8b602