[INFO] cloning repository https://github.com/asp2insp/AdventOfCode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asp2insp/AdventOfCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasp2insp%2FAdventOfCode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasp2insp%2FAdventOfCode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08b5ecce44905b1225f7afb98aab094bf2febcff
[INFO] checking asp2insp/AdventOfCode against master#f557a4fd462a779c92e4e8bd004426cf329efb30 for pr-111063
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasp2insp%2FAdventOfCode" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asp2insp/AdventOfCode on toolchain f557a4fd462a779c92e4e8bd004426cf329efb30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asp2insp/AdventOfCode
[INFO] finished tweaking git repo https://github.com/asp2insp/AdventOfCode
[INFO] tweaked toml for git repo https://github.com/asp2insp/AdventOfCode written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/asp2insp/AdventOfCode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cute v0.3.0
[INFO] [stderr]   Downloaded smallstr v0.3.0
[INFO] [stderr]   Downloaded defaultmap v0.5.0
[INFO] [stderr]   Downloaded rug v1.17.0
[INFO] [stderr]   Downloaded ring-algorithm v0.6.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d3c98f498c0a97855b36665423a7f359f73b5ff16412f39eed26524c3493640
[INFO] running `Command { std: "docker" "start" "-a" "4d3c98f498c0a97855b36665423a7f359f73b5ff16412f39eed26524c3493640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3c98f498c0a97855b36665423a7f359f73b5ff16412f39eed26524c3493640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3c98f498c0a97855b36665423a7f359f73b5ff16412f39eed26524c3493640", kill_on_drop: false }`
[INFO] [stdout] 4d3c98f498c0a97855b36665423a7f359f73b5ff16412f39eed26524c3493640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1546310bbf49a562916b629b97a2cb3da897559a7e6a8dfdda0528841b0aef6d
[INFO] running `Command { std: "docker" "start" "-a" "1546310bbf49a562916b629b97a2cb3da897559a7e6a8dfdda0528841b0aef6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.11
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling rug v1.17.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking half v2.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking smallstr v0.3.0
[INFO] [stderr]     Checking defaultmap v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking take-until v0.1.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rayon v1.6.0
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.8.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.5.2
[INFO] [stderr]     Checking image v0.24.5
[INFO] [stderr]     Checking ring-algorithm v0.6.1
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> examples/twenty_nineteen/day25.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn part2(s: String) -> String {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1546310bbf49a562916b629b97a2cb3da897559a7e6a8dfdda0528841b0aef6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1546310bbf49a562916b629b97a2cb3da897559a7e6a8dfdda0528841b0aef6d", kill_on_drop: false }`
[INFO] [stdout] 1546310bbf49a562916b629b97a2cb3da897559a7e6a8dfdda0528841b0aef6d