[INFO] cloning repository https://github.com/jblee123/advent_of_code_2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jblee123/advent_of_code_2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjblee123%2Fadvent_of_code_2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjblee123%2Fadvent_of_code_2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf9f4faea08c609f58937aae43c42a9ca19d4455
[INFO] testing jblee123/advent_of_code_2019 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjblee123%2Fadvent_of_code_2019" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jblee123/advent_of_code_2019 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jblee123/advent_of_code_2019
[INFO] finished tweaking git repo https://github.com/jblee123/advent_of_code_2019
[INFO] tweaked toml for git repo https://github.com/jblee123/advent_of_code_2019 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jblee123/advent_of_code_2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 270b75e2addd13383f72e7877e46cc3f7d135c50feb8d49478808f603bb39bc6
[INFO] running `Command { std: "docker" "start" "-a" "270b75e2addd13383f72e7877e46cc3f7d135c50feb8d49478808f603bb39bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270b75e2addd13383f72e7877e46cc3f7d135c50feb8d49478808f603bb39bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270b75e2addd13383f72e7877e46cc3f7d135c50feb8d49478808f603bb39bc6", kill_on_drop: false }`
[INFO] [stdout] 270b75e2addd13383f72e7877e46cc3f7d135c50feb8d49478808f603bb39bc6
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 410e55b19919d96553ad4f8c0193ff32d04eac4160698d7f503081c402d664f5
[INFO] running `Command { std: "docker" "start" "-a" "410e55b19919d96553ad4f8c0193ff32d04eac4160698d7f503081c402d664f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2019_utils v0.1.0 (/opt/rustwide/workdir/aoc2019_utils)
[INFO] [stderr]    Compiling aoc2019_day16 v0.1.0 (/opt/rustwide/workdir/aoc2019_day16)
[INFO] [stderr]    Compiling aoc2019_day14 v0.1.0 (/opt/rustwide/workdir/aoc2019_day14)
[INFO] [stderr]    Compiling aoc2019_day15 v0.1.0 (/opt/rustwide/workdir/aoc2019_day15)
[INFO] [stderr]    Compiling aoc2019_day20 v0.1.0 (/opt/rustwide/workdir/aoc2019_day20)
[INFO] [stderr]    Compiling aoc2019_day11 v0.1.0 (/opt/rustwide/workdir/aoc2019_day11)
[INFO] [stderr]    Compiling aoc2019_day22 v0.1.0 (/opt/rustwide/workdir/aoc2019_day22)
[INFO] [stderr]    Compiling aoc2019_day21 v0.1.0 (/opt/rustwide/workdir/aoc2019_day21)
[INFO] [stderr]    Compiling aoc2019_day13 v0.1.0 (/opt/rustwide/workdir/aoc2019_day13)
[INFO] [stderr]    Compiling aoc2019_day18 v0.1.0 (/opt/rustwide/workdir/aoc2019_day18)
[INFO] [stderr]    Compiling aoc2019_day08 v0.1.0 (/opt/rustwide/workdir/aoc2019_day08)
[INFO] [stderr]    Compiling aoc2019_day17 v0.1.0 (/opt/rustwide/workdir/aoc2019_day17)
[INFO] [stderr]    Compiling aoc2019_day02 v0.1.0 (/opt/rustwide/workdir/aoc2019_day02)
[INFO] [stderr]    Compiling aoc2019_day12 v0.1.0 (/opt/rustwide/workdir/aoc2019_day12)
[INFO] [stderr]    Compiling aoc2019_day03 v0.1.0 (/opt/rustwide/workdir/aoc2019_day03)
[INFO] [stderr]    Compiling aoc2019_day10 v0.1.0 (/opt/rustwide/workdir/aoc2019_day10)
[INFO] [stderr]    Compiling aoc2019_day19 v0.1.0 (/opt/rustwide/workdir/aoc2019_day19)
[INFO] [stderr]    Compiling aoc2019_day01 v0.1.0 (/opt/rustwide/workdir/aoc2019_day01)
[INFO] [stderr]    Compiling aoc2019_day04 v0.1.0 (/opt/rustwide/workdir/aoc2019_day04)
[INFO] [stderr]    Compiling aoc2019_day09 v0.1.0 (/opt/rustwide/workdir/aoc2019_day09)
[INFO] [stderr]    Compiling aoc2019_day07 v0.1.0 (/opt/rustwide/workdir/aoc2019_day07)
[INFO] [stderr]    Compiling aoc2019_day06 v0.1.0 (/opt/rustwide/workdir/aoc2019_day06)
[INFO] [stderr]    Compiling aoc2019_day05 v0.1.0 (/opt/rustwide/workdir/aoc2019_day05)
[INFO] [stdout] warning: field is never read: `last_key`
[INFO] [stdout]    --> aoc2019_day18/src/day18_utils.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |         last_key: Option<u8>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_key`
[INFO] [stdout]    --> aoc2019_day18/src/day18_utils.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |         last_key: Option<u8>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "410e55b19919d96553ad4f8c0193ff32d04eac4160698d7f503081c402d664f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410e55b19919d96553ad4f8c0193ff32d04eac4160698d7f503081c402d664f5", kill_on_drop: false }`
[INFO] [stdout] 410e55b19919d96553ad4f8c0193ff32d04eac4160698d7f503081c402d664f5
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97d7764b8ad05ab1d14bc5b4bacacabb25c4e60433e51cfef7dde04926b15b0
[INFO] running `Command { std: "docker" "start" "-a" "d97d7764b8ad05ab1d14bc5b4bacacabb25c4e60433e51cfef7dde04926b15b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2019_utils v0.1.0 (/opt/rustwide/workdir/aoc2019_utils)
[INFO] [stderr]    Compiling aoc2019_day07 v0.1.0 (/opt/rustwide/workdir/aoc2019_day07)
[INFO] [stderr]    Compiling aoc2019_day16 v0.1.0 (/opt/rustwide/workdir/aoc2019_day16)
[INFO] [stderr]    Compiling aoc2019_day17 v0.1.0 (/opt/rustwide/workdir/aoc2019_day17)
[INFO] [stderr]    Compiling aoc2019_day04 v0.1.0 (/opt/rustwide/workdir/aoc2019_day04)
[INFO] [stderr]    Compiling aoc2019_day21 v0.1.0 (/opt/rustwide/workdir/aoc2019_day21)
[INFO] [stderr]    Compiling aoc2019_day19 v0.1.0 (/opt/rustwide/workdir/aoc2019_day19)
[INFO] [stderr]    Compiling aoc2019_day14 v0.1.0 (/opt/rustwide/workdir/aoc2019_day14)
[INFO] [stderr]    Compiling aoc2019_day01 v0.1.0 (/opt/rustwide/workdir/aoc2019_day01)
[INFO] [stderr]    Compiling aoc2019_day13 v0.1.0 (/opt/rustwide/workdir/aoc2019_day13)
[INFO] [stderr]    Compiling aoc2019_day12 v0.1.0 (/opt/rustwide/workdir/aoc2019_day12)
[INFO] [stderr]    Compiling aoc2019_day02 v0.1.0 (/opt/rustwide/workdir/aoc2019_day02)
[INFO] [stderr]    Compiling aoc2019_day10 v0.1.0 (/opt/rustwide/workdir/aoc2019_day10)
[INFO] [stderr]    Compiling aoc2019_day22 v0.1.0 (/opt/rustwide/workdir/aoc2019_day22)
[INFO] [stderr]    Compiling aoc2019_day15 v0.1.0 (/opt/rustwide/workdir/aoc2019_day15)
[INFO] [stderr]    Compiling aoc2019_day09 v0.1.0 (/opt/rustwide/workdir/aoc2019_day09)
[INFO] [stderr]    Compiling aoc2019_day05 v0.1.0 (/opt/rustwide/workdir/aoc2019_day05)
[INFO] [stderr]    Compiling aoc2019_day11 v0.1.0 (/opt/rustwide/workdir/aoc2019_day11)
[INFO] [stderr]    Compiling aoc2019_day03 v0.1.0 (/opt/rustwide/workdir/aoc2019_day03)
[INFO] [stderr]    Compiling aoc2019_day18 v0.1.0 (/opt/rustwide/workdir/aoc2019_day18)
[INFO] [stderr]    Compiling aoc2019_day08 v0.1.0 (/opt/rustwide/workdir/aoc2019_day08)
[INFO] [stderr]    Compiling aoc2019_day06 v0.1.0 (/opt/rustwide/workdir/aoc2019_day06)
[INFO] [stderr]    Compiling aoc2019_day20 v0.1.0 (/opt/rustwide/workdir/aoc2019_day20)
[INFO] [stdout] warning: field is never read: `last_key`
[INFO] [stdout]    --> aoc2019_day18/src/day18_utils.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |         last_key: Option<u8>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_key`
[INFO] [stdout]    --> aoc2019_day18/src/day18_utils.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |         last_key: Option<u8>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2019_day18`; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name aoc2019_day18b --edition=2018 aoc2019_day18/src/day18b.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ec7698493e341b55 -C extra-filename=-ec7698493e341b55 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aoc2019_utils=/opt/rustwide/target/debug/deps/libaoc2019_utils-57fd8a6e055aa037.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d97d7764b8ad05ab1d14bc5b4bacacabb25c4e60433e51cfef7dde04926b15b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97d7764b8ad05ab1d14bc5b4bacacabb25c4e60433e51cfef7dde04926b15b0", kill_on_drop: false }`
[INFO] [stdout] d97d7764b8ad05ab1d14bc5b4bacacabb25c4e60433e51cfef7dde04926b15b0