[INFO] cloning repository https://github.com/jcsims/aoc2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcsims/aoc2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcsims%2Faoc2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcsims%2Faoc2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e91fbbced7512f2a4fd3ecbe1059ee96312a55e
[INFO] checking jcsims/aoc2019 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcsims%2Faoc2019" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcsims/aoc2019 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jcsims/aoc2019
[INFO] finished tweaking git repo https://github.com/jcsims/aoc2019
[INFO] tweaked toml for git repo https://github.com/jcsims/aoc2019 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jcsims/aoc2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded primes v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af02b4b3eeb1423ddaef28b0eeff6310e886f6bcb0bbfc2af6ec567e63dfbb0a
[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" "af02b4b3eeb1423ddaef28b0eeff6310e886f6bcb0bbfc2af6ec567e63dfbb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af02b4b3eeb1423ddaef28b0eeff6310e886f6bcb0bbfc2af6ec567e63dfbb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af02b4b3eeb1423ddaef28b0eeff6310e886f6bcb0bbfc2af6ec567e63dfbb0a", kill_on_drop: false }`
[INFO] [stdout] af02b4b3eeb1423ddaef28b0eeff6310e886f6bcb0bbfc2af6ec567e63dfbb0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 494a45dab54e649b7951d347794f2592b74084ed462b1332b40f1ad62a0e16a7
[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" "494a45dab54e649b7951d347794f2592b74084ed462b1332b40f1ad62a0e16a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking primes v0.2.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking regex v1.3.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> src/day17.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut program = Program::new(util::comma_separated_to_vec("data/d17.txt"));
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]  --> src/day17.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut program = Program::new(util::comma_separated_to_vec("data/d17.txt"));
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day17.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut program = Program::new(util::comma_separated_to_vec("data/d17.txt"));
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day17.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut program = Program::new(util::comma_separated_to_vec("data/d17.txt"));
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.88s
[INFO] running `Command { std: "docker" "inspect" "494a45dab54e649b7951d347794f2592b74084ed462b1332b40f1ad62a0e16a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494a45dab54e649b7951d347794f2592b74084ed462b1332b40f1ad62a0e16a7", kill_on_drop: false }`
[INFO] [stdout] 494a45dab54e649b7951d347794f2592b74084ed462b1332b40f1ad62a0e16a7