[INFO] fetching crate advent 0.2.2...
[INFO] testing advent-0.2.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate advent 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate advent 0.2.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c89eda0408f966f5d6d8168aa30434c466d238288a64fca08fc5a3830746877c
[INFO] running `Command { std: "docker" "start" "-a" "c89eda0408f966f5d6d8168aa30434c466d238288a64fca08fc5a3830746877c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c89eda0408f966f5d6d8168aa30434c466d238288a64fca08fc5a3830746877c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89eda0408f966f5d6d8168aa30434c466d238288a64fca08fc5a3830746877c", kill_on_drop: false }`
[INFO] [stdout] c89eda0408f966f5d6d8168aa30434c466d238288a64fca08fc5a3830746877c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d21d8e00523d4e76fc73f51c6be54dad2086e0ff7bebfc91c310bc3ea81cd757
[INFO] running `Command { std: "docker" "start" "-a" "d21d8e00523d4e76fc73f51c6be54dad2086e0ff7bebfc91c310bc3ea81cd757", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 19.62s
[INFO] running `Command { std: "docker" "inspect" "d21d8e00523d4e76fc73f51c6be54dad2086e0ff7bebfc91c310bc3ea81cd757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21d8e00523d4e76fc73f51c6be54dad2086e0ff7bebfc91c310bc3ea81cd757", kill_on_drop: false }`
[INFO] [stdout] d21d8e00523d4e76fc73f51c6be54dad2086e0ff7bebfc91c310bc3ea81cd757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8d8bbbeb26bfb295ecba4e1b9f4ef7fe7d719f138e0859828abff56a2ef4433
[INFO] running `Command { std: "docker" "start" "-a" "f8d8bbbeb26bfb295ecba4e1b9f4ef7fe7d719f138e0859828abff56a2ef4433", 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 1.98s
[INFO] running `Command { std: "docker" "inspect" "f8d8bbbeb26bfb295ecba4e1b9f4ef7fe7d719f138e0859828abff56a2ef4433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d8bbbeb26bfb295ecba4e1b9f4ef7fe7d719f138e0859828abff56a2ef4433", kill_on_drop: false }`
[INFO] [stdout] f8d8bbbeb26bfb295ecba4e1b9f4ef7fe7d719f138e0859828abff56a2ef4433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f2b4e2fb3a48c9745ea5533b2ff8ae7258be6f8ab20153a7d3dfcca5cc488d6
[INFO] running `Command { std: "docker" "start" "-a" "7f2b4e2fb3a48c9745ea5533b2ff8ae7258be6f8ab20153a7d3dfcca5cc488d6", kill_on_drop: false }`
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent-af87782db9b17121)
[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::day2::solution ... ok
[INFO] [stdout] test y2017::day1::solution ... ok
[INFO] [stdout] test y2017::day3::examples ... ok
[INFO] [stdout] test y2017::day4::examples ... ok
[INFO] [stdout] test y2018::day1::examples ... ok
[INFO] [stdout] test y2018::day3::examples ... ok
[INFO] [stdout] test y2018::day4::examples ... ok
[INFO] [stdout] test y2018::day2::examples ... ok
[INFO] [stdout] test y2018::day5::examples ... ok
[INFO] [stdout] test y2017::day3::solution ... ok
[INFO] [stdout] test y2017::day4::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 20.40s
[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]    |     ^              ^
[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: 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" "7f2b4e2fb3a48c9745ea5533b2ff8ae7258be6f8ab20153a7d3dfcca5cc488d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f2b4e2fb3a48c9745ea5533b2ff8ae7258be6f8ab20153a7d3dfcca5cc488d6", kill_on_drop: false }`
[INFO] [stdout] 7f2b4e2fb3a48c9745ea5533b2ff8ae7258be6f8ab20153a7d3dfcca5cc488d6