[INFO] cloning repository https://github.com/seancribbs/arrgs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seancribbs/arrgs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseancribbs%2Farrgs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseancribbs%2Farrgs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 781acde5c061d95925a25afedd9c71016826f58c
[INFO] checking seancribbs/arrgs against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseancribbs%2Farrgs" "/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/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/seancribbs/arrgs
[INFO] finished tweaking git repo https://github.com/seancribbs/arrgs
[INFO] tweaked toml for git repo https://github.com/seancribbs/arrgs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seancribbs/arrgs on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seancribbs/arrgs 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded console v0.15.10
[INFO] [stderr]   Downloaded insta v1.42.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e9ec9004c092a9689db3ef77a8f4807271d8faaf32bb73d4e36b4e92ffc5031
[INFO] running `Command { std: "docker" "start" "-a" "6e9ec9004c092a9689db3ef77a8f4807271d8faaf32bb73d4e36b4e92ffc5031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e9ec9004c092a9689db3ef77a8f4807271d8faaf32bb73d4e36b4e92ffc5031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9ec9004c092a9689db3ef77a8f4807271d8faaf32bb73d4e36b4e92ffc5031", kill_on_drop: false }`
[INFO] [stdout] 6e9ec9004c092a9689db3ef77a8f4807271d8faaf32bb73d4e36b4e92ffc5031
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba66dcb3a0d7cdc9fc19dd34c8f600b233571984ae637e8eb4f8c2e3e70cee74
[INFO] running `Command { std: "docker" "start" "-a" "ba66dcb3a0d7cdc9fc19dd34c8f600b233571984ae637e8eb4f8c2e3e70cee74", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking foldhash v0.1.4
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking compact_str v0.8.1
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking clap_builder v4.5.26
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking console v0.15.10
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking unicode-truncate v1.1.0
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.9
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]     Checking pin-project v1.1.9
[INFO] [stderr]     Checking insta v1.42.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking clap v4.5.26
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling instability v0.3.7
[INFO] [stderr]     Checking ratatui v0.29.0
[INFO] [stderr]     Checking arrgs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[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 `arrgs` (bin "arrgs") due to 1 previous error
[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] [stderr] error: could not compile `arrgs` (bin "arrgs" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ba66dcb3a0d7cdc9fc19dd34c8f600b233571984ae637e8eb4f8c2e3e70cee74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba66dcb3a0d7cdc9fc19dd34c8f600b233571984ae637e8eb4f8c2e3e70cee74", kill_on_drop: false }`
[INFO] [stdout] ba66dcb3a0d7cdc9fc19dd34c8f600b233571984ae637e8eb4f8c2e3e70cee74
