[INFO] cloning repository https://github.com/nextuponstream/aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nextuponstream/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextuponstream%2Faoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextuponstream%2Faoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5119c5f8d1678f6572fc8239e8e8806888b926bf
[INFO] checking nextuponstream/aoc against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextuponstream%2Faoc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nextuponstream/aoc on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nextuponstream/aoc
[INFO] finished tweaking git repo https://github.com/nextuponstream/aoc
[INFO] tweaked toml for git repo https://github.com/nextuponstream/aoc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nextuponstream/aoc 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48db9646af38696db700d88dac75b4990947767df8a44318f3e8b473b87a636c
[INFO] running `Command { std: "docker" "start" "-a" "48db9646af38696db700d88dac75b4990947767df8a44318f3e8b473b87a636c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48db9646af38696db700d88dac75b4990947767df8a44318f3e8b473b87a636c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48db9646af38696db700d88dac75b4990947767df8a44318f3e8b473b87a636c", kill_on_drop: false }`
[INFO] [stdout] 48db9646af38696db700d88dac75b4990947767df8a44318f3e8b473b87a636c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9803b72dd00375ff6181045dfecae75174e13a89d15054ab4e8c614b11d18114
[INFO] running `Command { std: "docker" "start" "-a" "9803b72dd00375ff6181045dfecae75174e13a89d15054ab4e8c614b11d18114", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking helpers v0.1.0 (/opt/rustwide/workdir/helpers)
[INFO] [stderr]     Checking day-08 v0.1.0 (/opt/rustwide/workdir/day-08)
[INFO] [stderr]     Checking day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]     Checking day-09 v0.1.0 (/opt/rustwide/workdir/day-09)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stdout] warning: function `handTypeSort` should have a snake case name
[INFO] [stdout]    --> day-07/src/main.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn handTypeSort() {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `hand_type_sort`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "9803b72dd00375ff6181045dfecae75174e13a89d15054ab4e8c614b11d18114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9803b72dd00375ff6181045dfecae75174e13a89d15054ab4e8c614b11d18114", kill_on_drop: false }`
[INFO] [stdout] 9803b72dd00375ff6181045dfecae75174e13a89d15054ab4e8c614b11d18114
[INFO] checking nextuponstream/aoc against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextuponstream%2Faoc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nextuponstream/aoc on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nextuponstream/aoc
[INFO] finished tweaking git repo https://github.com/nextuponstream/aoc
[INFO] tweaked toml for git repo https://github.com/nextuponstream/aoc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nextuponstream/aoc 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abbb5889ef0a27d9d6da77aa4a2a9aea4751783e081c44ecbf4dc43bcca2f552
[INFO] running `Command { std: "docker" "start" "-a" "abbb5889ef0a27d9d6da77aa4a2a9aea4751783e081c44ecbf4dc43bcca2f552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abbb5889ef0a27d9d6da77aa4a2a9aea4751783e081c44ecbf4dc43bcca2f552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbb5889ef0a27d9d6da77aa4a2a9aea4751783e081c44ecbf4dc43bcca2f552", kill_on_drop: false }`
[INFO] [stdout] abbb5889ef0a27d9d6da77aa4a2a9aea4751783e081c44ecbf4dc43bcca2f552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5937ea80f163c4435fa90c32d4f68f6f39cfb757f8cb9a9ec1d820fad061282
[INFO] running `Command { std: "docker" "start" "-a" "d5937ea80f163c4435fa90c32d4f68f6f39cfb757f8cb9a9ec1d820fad061282", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking helpers v0.1.0 (/opt/rustwide/workdir/helpers)
[INFO] [stderr]     Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]     Checking day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking day-08 v0.1.0 (/opt/rustwide/workdir/day-08)
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking day-09 v0.1.0 (/opt/rustwide/workdir/day-09)
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stdout] warning: function `handTypeSort` should have a snake case name
[INFO] [stdout]    --> day-07/src/main.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn handTypeSort() {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `hand_type_sort`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.93s
[INFO] running `Command { std: "docker" "inspect" "d5937ea80f163c4435fa90c32d4f68f6f39cfb757f8cb9a9ec1d820fad061282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5937ea80f163c4435fa90c32d4f68f6f39cfb757f8cb9a9ec1d820fad061282", kill_on_drop: false }`
[INFO] [stdout] d5937ea80f163c4435fa90c32d4f68f6f39cfb757f8cb9a9ec1d820fad061282