[INFO] cloning repository https://github.com/peaceman/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peaceman/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeaceman%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeaceman%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bad951d5199fde73540f1e3aa5bcb223902169e
[INFO] testing peaceman/aoc2020 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeaceman%2Faoc2020" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peaceman/aoc2020 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/peaceman/aoc2020
[INFO] finished tweaking git repo https://github.com/peaceman/aoc2020
[INFO] tweaked toml for git repo https://github.com/peaceman/aoc2020 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/peaceman/aoc2020 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93a1adec306d96f3e19752c97456fd746630eb4dd885d7d8fd26f51fd8321a44
[INFO] running `Command { std: "docker" "start" "-a" "93a1adec306d96f3e19752c97456fd746630eb4dd885d7d8fd26f51fd8321a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a1adec306d96f3e19752c97456fd746630eb4dd885d7d8fd26f51fd8321a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a1adec306d96f3e19752c97456fd746630eb4dd885d7d8fd26f51fd8321a44", kill_on_drop: false }`
[INFO] [stdout] 93a1adec306d96f3e19752c97456fd746630eb4dd885d7d8fd26f51fd8321a44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] dfe240379c3babd9462cf4327d57cf723abca7a18ef90cdda89869be2d88a03d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dfe240379c3babd9462cf4327d57cf723abca7a18ef90cdda89869be2d88a03d", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling scan_fmt v0.2.5
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/bin/day7b.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `birth_year`
[INFO] [stdout]   --> src/bin/day4a.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     birth_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `issue_year`
[INFO] [stdout]   --> src/bin/day4a.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     issue_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expiration_year`
[INFO] [stdout]   --> src/bin/day4a.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     expiration_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/bin/day4a.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     height: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hair_color`
[INFO] [stdout]   --> src/bin/day4a.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     hair_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eye_color`
[INFO] [stdout]   --> src/bin/day4a.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     eye_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `passport_id`
[INFO] [stdout]   --> src/bin/day4a.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     passport_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `country_id`
[INFO] [stdout]    --> src/bin/day4a.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     country_id: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name day16b --edition=2018 src/bin/day16b.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=c840329f89c68776 -C extra-filename=-c840329f89c68776 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-9dd496cfa2163ac1.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-90d213abf8934f91.rlib --extern scan_fmt=/opt/rustwide/target/debug/deps/libscan_fmt-a6e2b4b4518524b3.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-f79cb72df43280df.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dfe240379c3babd9462cf4327d57cf723abca7a18ef90cdda89869be2d88a03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe240379c3babd9462cf4327d57cf723abca7a18ef90cdda89869be2d88a03d", kill_on_drop: false }`
[INFO] [stdout] dfe240379c3babd9462cf4327d57cf723abca7a18ef90cdda89869be2d88a03d