[INFO] cloning repository https://github.com/arturaz/advent-of-code-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arturaz/advent-of-code-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturaz%2Fadvent-of-code-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturaz%2Fadvent-of-code-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 350b5aa73a72792df3d2dc1b9dd1b8984134e908
[INFO] testing arturaz/advent-of-code-rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturaz%2Fadvent-of-code-rust" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arturaz/advent-of-code-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arturaz/advent-of-code-rust
[INFO] finished tweaking git repo https://github.com/arturaz/advent-of-code-rust
[INFO] tweaked toml for git repo https://github.com/arturaz/advent-of-code-rust written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/arturaz/advent-of-code-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded arraymap v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b29105192d2e0a103a1fe350050e2ab1d85ed5450555a41d6decb16c7647b37d
[INFO] running `Command { std: "docker" "start" "-a" "b29105192d2e0a103a1fe350050e2ab1d85ed5450555a41d6decb16c7647b37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b29105192d2e0a103a1fe350050e2ab1d85ed5450555a41d6decb16c7647b37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29105192d2e0a103a1fe350050e2ab1d85ed5450555a41d6decb16c7647b37d", kill_on_drop: false }`
[INFO] [stdout] b29105192d2e0a103a1fe350050e2ab1d85ed5450555a41d6decb16c7647b37d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 000f1f30c227f9b1696cbdf0f9e89e96640395e00a103c99700d2ac2c95fdcd5
[INFO] running `Command { std: "docker" "start" "-a" "000f1f30c227f9b1696cbdf0f9e89e96640395e00a103c99700d2ac2c95fdcd5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling arraymap v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0614]: type `u8` cannot be dereferenced
[INFO] [stdout]   --> src/program7.rs:80:85
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let amplifiers = phase_settings.map(|phase_setting| Amplifier::new(program, *phase_setting));
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arraymap::ArrayMap`
[INFO] [stdout]  --> src/program7.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use arraymap::ArrayMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0614`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "000f1f30c227f9b1696cbdf0f9e89e96640395e00a103c99700d2ac2c95fdcd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000f1f30c227f9b1696cbdf0f9e89e96640395e00a103c99700d2ac2c95fdcd5", kill_on_drop: false }`
[INFO] [stdout] 000f1f30c227f9b1696cbdf0f9e89e96640395e00a103c99700d2ac2c95fdcd5