[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] checking emdotcarter/adventofcode2020/97b77c6ba5cd18cc8318a83414c6caedaa62fa4d against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femdotcarter%2Fadventofcode2020" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emdotcarter/adventofcode2020 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afc67bdec3f8b6a22fedee4f3d9cb3ff54c3ac6545478f1c975403c48651472b
[INFO] running `Command { std: "docker" "start" "-a" "afc67bdec3f8b6a22fedee4f3d9cb3ff54c3ac6545478f1c975403c48651472b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc67bdec3f8b6a22fedee4f3d9cb3ff54c3ac6545478f1c975403c48651472b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc67bdec3f8b6a22fedee4f3d9cb3ff54c3ac6545478f1c975403c48651472b", kill_on_drop: false }`
[INFO] [stdout] afc67bdec3f8b6a22fedee4f3d9cb3ff54c3ac6545478f1c975403c48651472b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 143c6858753d4c1c156a6259f76ac53509ac16734916f5cc6399840e42c52196
[INFO] running `Command { std: "docker" "start" "-a" "143c6858753d4c1c156a6259f76ac53509ac16734916f5cc6399840e42c52196", 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]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking 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[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] warning: unused import: `super::challenge`
[INFO] [stdout]    --> src/challenges/day10.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     use super::challenge;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[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[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` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[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` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "143c6858753d4c1c156a6259f76ac53509ac16734916f5cc6399840e42c52196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143c6858753d4c1c156a6259f76ac53509ac16734916f5cc6399840e42c52196", kill_on_drop: false }`
[INFO] [stdout] 143c6858753d4c1c156a6259f76ac53509ac16734916f5cc6399840e42c52196