[INFO] cloning repository https://github.com/AcrylonitrileButadieneStyrene/r2k-edgecases
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AcrylonitrileButadieneStyrene/r2k-edgecases" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcrylonitrileButadieneStyrene%2Fr2k-edgecases", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcrylonitrileButadieneStyrene%2Fr2k-edgecases'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ac4e683f270d084d0f330514e654277bbb7e06e
[INFO] checking AcrylonitrileButadieneStyrene/r2k-edgecases against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcrylonitrileButadieneStyrene%2Fr2k-edgecases" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AcrylonitrileButadieneStyrene/r2k-edgecases
[INFO] finished tweaking git repo https://github.com/AcrylonitrileButadieneStyrene/r2k-edgecases
[INFO] tweaked toml for git repo https://github.com/AcrylonitrileButadieneStyrene/r2k-edgecases written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AcrylonitrileButadieneStyrene/r2k-edgecases 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/AcrylonitrileButadieneStyrene/r2k-edgecases 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded binrw_derive v0.15.0
[INFO] [stderr]   Downloaded owo-colors v4.2.3
[INFO] [stderr]   Downloaded lcf v0.8.5
[INFO] [stderr]   Downloaded binrw v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 78c076e54942cd19c87a896c30b1f25a5ad53188033627ba793d8ed8f7501cc6
[INFO] running `Command { std: "docker" "start" "-a" "78c076e54942cd19c87a896c30b1f25a5ad53188033627ba793d8ed8f7501cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78c076e54942cd19c87a896c30b1f25a5ad53188033627ba793d8ed8f7501cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c076e54942cd19c87a896c30b1f25a5ad53188033627ba793d8ed8f7501cc6", kill_on_drop: false }`
[INFO] [stdout] 78c076e54942cd19c87a896c30b1f25a5ad53188033627ba793d8ed8f7501cc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c0b2ce1af8179e15725bc66b0d0a38229cdc1a45360dee65e06adbe15b9c7e47
[INFO] running `Command { std: "docker" "start" "-a" "c0b2ce1af8179e15725bc66b0d0a38229cdc1a45360dee65e06adbe15b9c7e47", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling binrw_derive v0.15.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling binrw v0.15.0
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking num_enum v0.7.5
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking lcf v0.8.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lcf-0.8.5/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[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 `lcf` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c0b2ce1af8179e15725bc66b0d0a38229cdc1a45360dee65e06adbe15b9c7e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b2ce1af8179e15725bc66b0d0a38229cdc1a45360dee65e06adbe15b9c7e47", kill_on_drop: false }`
[INFO] [stdout] c0b2ce1af8179e15725bc66b0d0a38229cdc1a45360dee65e06adbe15b9c7e47