[INFO] cloning repository https://github.com/stefanoc/advent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefanoc/advent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanoc%2Fadvent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanoc%2Fadvent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 856f78d921d2829f0809363d24d0351b3ea81657
[INFO] testing stefanoc/advent against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanoc%2Fadvent" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefanoc/advent on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stefanoc/advent
[INFO] finished tweaking git repo https://github.com/stefanoc/advent
[INFO] tweaked toml for git repo https://github.com/stefanoc/advent written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/stefanoc/advent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 853fb0687c5d53565455718ca3ba84dfda63b82bc31605d4402761385bf65b9a
[INFO] running `Command { std: "docker" "start" "-a" "853fb0687c5d53565455718ca3ba84dfda63b82bc31605d4402761385bf65b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "853fb0687c5d53565455718ca3ba84dfda63b82bc31605d4402761385bf65b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853fb0687c5d53565455718ca3ba84dfda63b82bc31605d4402761385bf65b9a", kill_on_drop: false }`
[INFO] [stdout] 853fb0687c5d53565455718ca3ba84dfda63b82bc31605d4402761385bf65b9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fe60486765c1c331f0a1d83471d5c8b0f695debf8e8ea198bf858d1e8b88a2b
[INFO] running `Command { std: "docker" "start" "-a" "2fe60486765c1c331f0a1d83471d5c8b0f695debf8e8ea198bf858d1e8b88a2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling md5 v0.1.1
[INFO] [stderr]    Compiling itertools v0.4.11
[INFO] [stderr]    Compiling permutohedron v0.2.1
[INFO] [stderr]    Compiling iterslide v0.0.5
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/six.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         (Self::locate(x0, y) .. Self::locate(x1, y) + 1)
[INFO] [stdout]    |         ^                                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         (Self::locate(x0, y) .. Self::locate(x1, y) + 1)
[INFO] [stdout] 45 +         Self::locate(x0, y) .. Self::locate(x1, y) + 1
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_char)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `str_char`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_char)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2fe60486765c1c331f0a1d83471d5c8b0f695debf8e8ea198bf858d1e8b88a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe60486765c1c331f0a1d83471d5c8b0f695debf8e8ea198bf858d1e8b88a2b", kill_on_drop: false }`
[INFO] [stdout] 2fe60486765c1c331f0a1d83471d5c8b0f695debf8e8ea198bf858d1e8b88a2b