[INFO] cloning repository https://github.com/alexpearce/adventofcode_2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexpearce/adventofcode_2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpearce%2Fadventofcode_2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpearce%2Fadventofcode_2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f33547cc06c950d617f3c4ba4ee87d3546700ad8
[INFO] testing alexpearce/adventofcode_2017 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpearce%2Fadventofcode_2017" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexpearce/adventofcode_2017 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/alexpearce/adventofcode_2017
[INFO] finished tweaking git repo https://github.com/alexpearce/adventofcode_2017
[INFO] tweaked toml for git repo https://github.com/alexpearce/adventofcode_2017 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/alexpearce/adventofcode_2017 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1800f7bdc16af7a68d1ddd98f4dc04241be15f1b60261ecac709d8758a8b7750
[INFO] running `Command { std: "docker" "start" "-a" "1800f7bdc16af7a68d1ddd98f4dc04241be15f1b60261ecac709d8758a8b7750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1800f7bdc16af7a68d1ddd98f4dc04241be15f1b60261ecac709d8758a8b7750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1800f7bdc16af7a68d1ddd98f4dc04241be15f1b60261ecac709d8758a8b7750", kill_on_drop: false }`
[INFO] [stdout] 1800f7bdc16af7a68d1ddd98f4dc04241be15f1b60261ecac709d8758a8b7750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5e01c3571d45b821500d26ed3fb8ccee185a2d5bf46de0b9a3057d62a3c53bf9
[INFO] running `Command { std: "docker" "start" "-a" "5e01c3571d45b821500d26ed3fb8ccee185a2d5bf46de0b9a3057d62a3c53bf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `inner` is never read
[INFO] [stdout]   --> src/day6/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut inner = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "5e01c3571d45b821500d26ed3fb8ccee185a2d5bf46de0b9a3057d62a3c53bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e01c3571d45b821500d26ed3fb8ccee185a2d5bf46de0b9a3057d62a3c53bf9", kill_on_drop: false }`
[INFO] [stdout] 5e01c3571d45b821500d26ed3fb8ccee185a2d5bf46de0b9a3057d62a3c53bf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a36a19a0841f935881b1e31a0d7d0c3b6a6f0bd14327b87131eaf854f4e57b15
[INFO] running `Command { std: "docker" "start" "-a" "a36a19a0841f935881b1e31a0d7d0c3b6a6f0bd14327b87131eaf854f4e57b15", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `inner` is never read
[INFO] [stdout]   --> src/day6/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut inner = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling adventofcode_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inner` is never read
[INFO] [stdout]   --> src/day6/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut inner = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "a36a19a0841f935881b1e31a0d7d0c3b6a6f0bd14327b87131eaf854f4e57b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36a19a0841f935881b1e31a0d7d0c3b6a6f0bd14327b87131eaf854f4e57b15", kill_on_drop: false }`
[INFO] [stdout] a36a19a0841f935881b1e31a0d7d0c3b6a6f0bd14327b87131eaf854f4e57b15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 31d9e6fada76dc9772ea1b097847e06f64ace9e84baf530541affce485263276
[INFO] running `Command { std: "docker" "start" "-a" "31d9e6fada76dc9772ea1b097847e06f64ace9e84baf530541affce485263276", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `inner` is never read
[INFO] [stderr]   --> src/day6/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut inner = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `adventofcode_2017` (lib) generated 1 warning
[INFO] [stderr] warning: `adventofcode_2017` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc17-331f62529244daae)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day1-f8af17e7d60820e8)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day12-08ad23d0cf195740)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day13-94c4e613f56997ea)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day3-1aae70474d187244)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day4-031552067d69636c)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day5-9ace316524877ef4)
[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] [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] [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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day6-dd1740069a80b5c0)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day8-f55e95c7161c230f)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day9-762da0b1cb2b74af)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aoc17
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [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] [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] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/day1/mod.rs - day1::sequence_sum (line 34) ... ignored
[INFO] [stdout] test src/day12/mod.rs - day12::connected_nodes (line 101) ... ok
[INFO] [stdout] test src/day13/mod.rs - day13::create_firewall (line 7) ... ok
[INFO] [stdout] test src/day9/mod.rs - day9::stream_score (line 7) ... ok
[INFO] [stdout] test src/day8/mod.rs - day8::registers (line 68) ... ok
[INFO] [stdout] test src/day5/mod.rs - day5::jumps_until_end (line 12) ... ok
[INFO] [stdout] test src/day3/mod.rs - day3::first_spiral_number_larger_than (line 122) ... ok
[INFO] [stdout] test src/day6/mod.rs - day6::iterations_until_cycle (line 15) ... ok
[INFO] [stdout] test src/day13/mod.rs - day13::severity (line 35) ... ok
[INFO] [stdout] test src/day3/mod.rs - day3::spiral_coordinates (line 53) ... ok
[INFO] [stdout] test src/day4/mod.rs - day4::has_no_anagram_substrings (line 44) ... ok
[INFO] [stdout] test src/day12/mod.rs - day12::disconnected_graphs (line 121) ... ok
[INFO] [stdout] test src/day4/mod.rs - day4::has_unique_substrings (line 13) ... ok
[INFO] [stdout] test src/day1/mod.rs - day1::sequence_sum (line 13) ... ok
[INFO] [stdout] test src/day13/mod.rs - day13::transmitted (line 64) ... ok
[INFO] [stdout] test src/day5/mod.rs - day5::jumps_until_end (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31d9e6fada76dc9772ea1b097847e06f64ace9e84baf530541affce485263276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d9e6fada76dc9772ea1b097847e06f64ace9e84baf530541affce485263276", kill_on_drop: false }`
[INFO] [stdout] 31d9e6fada76dc9772ea1b097847e06f64ace9e84baf530541affce485263276