[INFO] cloning repository https://github.com/emdotcarter/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emdotcarter/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femdotcarter%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femdotcarter%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97b77c6ba5cd18cc8318a83414c6caedaa62fa4d
[INFO] testing emdotcarter/adventofcode2020 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femdotcarter%2Fadventofcode2020" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emdotcarter/adventofcode2020 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emdotcarter/adventofcode2020
[INFO] finished tweaking git repo https://github.com/emdotcarter/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/emdotcarter/adventofcode2020 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/emdotcarter/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66722a3ff5da04a67d4ae3ee515e6f01f5fa2885070bd34de81aa8dc249709b2
[INFO] running `Command { std: "docker" "start" "-a" "66722a3ff5da04a67d4ae3ee515e6f01f5fa2885070bd34de81aa8dc249709b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66722a3ff5da04a67d4ae3ee515e6f01f5fa2885070bd34de81aa8dc249709b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66722a3ff5da04a67d4ae3ee515e6f01f5fa2885070bd34de81aa8dc249709b2", kill_on_drop: false }`
[INFO] [stdout] 66722a3ff5da04a67d4ae3ee515e6f01f5fa2885070bd34de81aa8dc249709b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9706796f580c63afb08b15685a6b0d5ef50ab1ecf007340029a7ba76b0fc350
[INFO] running `Command { std: "docker" "start" "-a" "e9706796f580c63afb08b15685a6b0d5ef50ab1ecf007340029a7ba76b0fc350", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::n_ary_tree`
[INFO] [stdout]  --> src/challenges/day10.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::n_ary_tree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `n_ary_tree` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `count_valid_paths` in this scope
[INFO] [stdout]   --> src/challenges/day10.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let count = count_valid_paths(&values);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode2020` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e9706796f580c63afb08b15685a6b0d5ef50ab1ecf007340029a7ba76b0fc350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9706796f580c63afb08b15685a6b0d5ef50ab1ecf007340029a7ba76b0fc350", kill_on_drop: false }`
[INFO] [stdout] e9706796f580c63afb08b15685a6b0d5ef50ab1ecf007340029a7ba76b0fc350