[INFO] cloning repository https://github.com/jetpham/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/jetpham/advent-of-code-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjetpham%2Fadvent-of-code-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjetpham%2Fadvent-of-code-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fd6b5aff6aeb35e3d39904d60feb9d21efa4a54
[INFO] testing jetpham/advent-of-code-rust against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjetpham%2Fadvent-of-code-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jetpham/advent-of-code-rust
[INFO] finished tweaking git repo https://github.com/jetpham/advent-of-code-rust
[INFO] tweaked toml for git repo https://github.com/jetpham/advent-of-code-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jetpham/advent-of-code-rust on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jetpham/advent-of-code-rust 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sys-info v0.9.1
[INFO] [stderr]   Downloaded mintex v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 460ad7cf1829eb21d97c4159d2a249897e9c1b9cbbea2e32f209c7cb4a9be248
[INFO] running `Command { std: "docker" "start" "-a" "460ad7cf1829eb21d97c4159d2a249897e9c1b9cbbea2e32f209c7cb4a9be248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "460ad7cf1829eb21d97c4159d2a249897e9c1b9cbbea2e32f209c7cb4a9be248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460ad7cf1829eb21d97c4159d2a249897e9c1b9cbbea2e32f209c7cb4a9be248", kill_on_drop: false }`
[INFO] [stdout] 460ad7cf1829eb21d97c4159d2a249897e9c1b9cbbea2e32f209c7cb4a9be248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ec2af38973be350c6319391dc82cc22024f3a3ba0017eb53f57e65599f806b9
[INFO] running `Command { std: "docker" "start" "-a" "8ec2af38973be350c6319391dc82cc22024f3a3ba0017eb53f57e65599f806b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling tinyjson v2.5.1
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling advent_of_code v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/02.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_map_windows)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_of_code` (bin "02") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8ec2af38973be350c6319391dc82cc22024f3a3ba0017eb53f57e65599f806b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec2af38973be350c6319391dc82cc22024f3a3ba0017eb53f57e65599f806b9", kill_on_drop: false }`
[INFO] [stdout] 8ec2af38973be350c6319391dc82cc22024f3a3ba0017eb53f57e65599f806b9