[INFO] cloning repository https://github.com/calebissharp/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calebissharp/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebissharp%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebissharp%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 432edc80756d123c3f4ddc16f5c17a75be1fc41a
[INFO] testing calebissharp/advent-of-code-2021 against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebissharp%2Fadvent-of-code-2021" "/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/calebissharp/advent-of-code-2021 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/calebissharp/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/calebissharp/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/calebissharp/advent-of-code-2021 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/calebissharp/advent-of-code-2021 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1d9b53023cf8e057ccbb46492f7bcf4a7490d3b1afbf981329c78083438239b
[INFO] running `Command { std: "docker" "start" "-a" "e1d9b53023cf8e057ccbb46492f7bcf4a7490d3b1afbf981329c78083438239b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1d9b53023cf8e057ccbb46492f7bcf4a7490d3b1afbf981329c78083438239b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d9b53023cf8e057ccbb46492f7bcf4a7490d3b1afbf981329c78083438239b", kill_on_drop: false }`
[INFO] [stdout] e1d9b53023cf8e057ccbb46492f7bcf4a7490d3b1afbf981329c78083438239b
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be43b4779603bb0a5cc80d0fc24e36bdaf28ea70e0ffe453d6225bc5a22d2a70
[INFO] running `Command { std: "docker" "start" "-a" "be43b4779603bb0a5cc80d0fc24e36bdaf28ea70e0ffe453d6225bc5a22d2a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aoc-2 v0.1.0 (/opt/rustwide/workdir/solutions/2)
[INFO] [stderr]    Compiling aoc-3 v0.1.0 (/opt/rustwide/workdir/solutions/3)
[INFO] [stderr]    Compiling aoc-1 v0.1.0 (/opt/rustwide/workdir/solutions/1)
[INFO] [stdout] warning: unused variable: `aim`
[INFO] [stdout]  --> solutions/2/src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut aim = 0;
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_aim`
[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]  --> solutions/2/src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut aim = 0;
[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] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stdout] warning: constant `TEST_FILENAME` is never used
[INFO] [stdout]  --> solutions/3/src/main.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const TEST_FILENAME: &str = "data/3/test.txt";
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling aoc-4 v0.1.0 (/opt/rustwide/workdir/solutions/4)
[INFO] [stderr]    Compiling aoc-5 v0.1.0 (/opt/rustwide/workdir/solutions/5)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> solutions/4/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc-4` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be43b4779603bb0a5cc80d0fc24e36bdaf28ea70e0ffe453d6225bc5a22d2a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be43b4779603bb0a5cc80d0fc24e36bdaf28ea70e0ffe453d6225bc5a22d2a70", kill_on_drop: false }`
[INFO] [stdout] be43b4779603bb0a5cc80d0fc24e36bdaf28ea70e0ffe453d6225bc5a22d2a70
