[INFO] cloning repository https://github.com/phinanix/polyominos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phinanix/polyominos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphinanix%2Fpolyominos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphinanix%2Fpolyominos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 512e77d88f961dd13b9e259bccf6fd512726270f
[INFO] testing phinanix/polyominos against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphinanix%2Fpolyominos" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/phinanix/polyominos
[INFO] finished tweaking git repo https://github.com/phinanix/polyominos
[INFO] tweaked toml for git repo https://github.com/phinanix/polyominos written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/phinanix/polyominos on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/phinanix/polyominos 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0573429c4fd27739a3d478b203dab01a7add29d4ccd59043fc3d7747caae50d3
[INFO] running `Command { std: "docker" "start" "-a" "0573429c4fd27739a3d478b203dab01a7add29d4ccd59043fc3d7747caae50d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0573429c4fd27739a3d478b203dab01a7add29d4ccd59043fc3d7747caae50d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0573429c4fd27739a3d478b203dab01a7add29d4ccd59043fc3d7747caae50d3", kill_on_drop: false }`
[INFO] [stdout] 0573429c4fd27739a3d478b203dab01a7add29d4ccd59043fc3d7747caae50d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7fbc6de7c81094949a7438efe83751744eaa5b7ba3b1cfffbf2130492f78776
[INFO] running `Command { std: "docker" "start" "-a" "a7fbc6de7c81094949a7438efe83751744eaa5b7ba3b1cfffbf2130492f78776", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling cpp_demangle v0.4.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling uuid v1.2.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling symbolic-demangle v10.2.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling bytemuck v1.12.3
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling num-format v0.4.3
[INFO] [stderr]    Compiling rgb v0.8.34
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling quick-xml v0.23.1
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling pprof v0.11.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling memmap2 v0.5.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling nix v0.24.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling symbolic-common v10.2.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling inferno v0.11.12
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling polyominoes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(is_sorted)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(impl_trait_in_fn_trait_return)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(array_methods)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `array_methods` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(array_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `is_sorted` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(is_sorted)]
[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 `polyominoes` (bin "polyominoes") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a7fbc6de7c81094949a7438efe83751744eaa5b7ba3b1cfffbf2130492f78776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fbc6de7c81094949a7438efe83751744eaa5b7ba3b1cfffbf2130492f78776", kill_on_drop: false }`
[INFO] [stdout] a7fbc6de7c81094949a7438efe83751744eaa5b7ba3b1cfffbf2130492f78776
