[INFO] cloning repository https://github.com/edwinvdgraaf/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edwinvdgraaf/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwinvdgraaf%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwinvdgraaf%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae1d759e77a269a43af6a2a6aeb4dc9a80e33738
[INFO] testing edwinvdgraaf/advent-of-code-2018 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwinvdgraaf%2Fadvent-of-code-2018" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwinvdgraaf/advent-of-code-2018 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edwinvdgraaf/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/edwinvdgraaf/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/edwinvdgraaf/advent-of-code-2018 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/edwinvdgraaf/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70990fa5ceda569ba28572736bd6b386ca31b809d53e8bfc05996c748d47f279
[INFO] running `Command { std: "docker" "start" "-a" "70990fa5ceda569ba28572736bd6b386ca31b809d53e8bfc05996c748d47f279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70990fa5ceda569ba28572736bd6b386ca31b809d53e8bfc05996c748d47f279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70990fa5ceda569ba28572736bd6b386ca31b809d53e8bfc05996c748d47f279", kill_on_drop: false }`
[INFO] [stdout] 70990fa5ceda569ba28572736bd6b386ca31b809d53e8bfc05996c748d47f279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9d7595f37845bb38fb3bc533b89c6d8ae2ace37d3b8a6006213cad9e592d5a8
[INFO] running `Command { std: "docker" "start" "-a" "a9d7595f37845bb38fb3bc533b89c6d8ae2ace37d3b8a6006213cad9e592d5a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day_one/mod.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day_two/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "a9d7595f37845bb38fb3bc533b89c6d8ae2ace37d3b8a6006213cad9e592d5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d7595f37845bb38fb3bc533b89c6d8ae2ace37d3b8a6006213cad9e592d5a8", kill_on_drop: false }`
[INFO] [stdout] a9d7595f37845bb38fb3bc533b89c6d8ae2ace37d3b8a6006213cad9e592d5a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d7133b982f49aa38dcd85dd1024c283211fa186cbd7b9261b9c3ca74e80fb6a
[INFO] running `Command { std: "docker" "start" "-a" "0d7133b982f49aa38dcd85dd1024c283211fa186cbd7b9261b9c3ca74e80fb6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day_one/mod.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/day_two/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout]    |                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "0d7133b982f49aa38dcd85dd1024c283211fa186cbd7b9261b9c3ca74e80fb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7133b982f49aa38dcd85dd1024c283211fa186cbd7b9261b9c3ca74e80fb6a", kill_on_drop: false }`
[INFO] [stdout] 0d7133b982f49aa38dcd85dd1024c283211fa186cbd7b9261b9c3ca74e80fb6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1eba1d412b45ad14be79db8e3b781353c4314c77565ebd56ab70c9e40bbff588
[INFO] running `Command { std: "docker" "start" "-a" "1eba1d412b45ad14be79db8e3b781353c4314c77565ebd56ab70c9e40bbff588", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 6 tests
[INFO] [stderr]   --> src/day_one/mod.rs:11:36
[INFO] [stdout] test day_two::tests::it_reads ... ok
[INFO] [stderr]    |
[INFO] [stdout] test day_one::tests::it_reads ... ok
[INFO] [stderr] 11 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stdout] test day_two::tests::it_computes_part_two ... ok
[INFO] [stderr]    |                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] test day_one::tests::it_computes_part_two ... ok
[INFO] [stderr]    |
[INFO] [stdout] test day_one::tests::it_computes ... ok
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] test day_two::tests::it_computes_diff_ids ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   --> src/day_two/mod.rs:10:36
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn read_file() ->  std::io::Result<(String)> {   
[INFO] [stderr]    |                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code` (bin "advent-of-code" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code-1b9adffb242ae257)
[INFO] running `Command { std: "docker" "inspect" "1eba1d412b45ad14be79db8e3b781353c4314c77565ebd56ab70c9e40bbff588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eba1d412b45ad14be79db8e3b781353c4314c77565ebd56ab70c9e40bbff588", kill_on_drop: false }`
[INFO] [stdout] 1eba1d412b45ad14be79db8e3b781353c4314c77565ebd56ab70c9e40bbff588