[INFO] cloning repository https://github.com/Derek-Fox/dfox-minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Derek-Fox/dfox-minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerek-Fox%2Fdfox-minigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerek-Fox%2Fdfox-minigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aea1558af55ab3b300f11eb5d907dc079a384e89
[INFO] checking Derek-Fox/dfox-minigrep against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerek-Fox%2Fdfox-minigrep" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Derek-Fox/dfox-minigrep
[INFO] finished tweaking git repo https://github.com/Derek-Fox/dfox-minigrep
[INFO] tweaked toml for git repo https://github.com/Derek-Fox/dfox-minigrep written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Derek-Fox/dfox-minigrep 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/Derek-Fox/dfox-minigrep 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b13f14186ea0c31b4215280b1409662f22dce6240a695bae9acbec81b2a57ffa
[INFO] running `Command { std: "docker" "start" "-a" "b13f14186ea0c31b4215280b1409662f22dce6240a695bae9acbec81b2a57ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b13f14186ea0c31b4215280b1409662f22dce6240a695bae9acbec81b2a57ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13f14186ea0c31b4215280b1409662f22dce6240a695bae9acbec81b2a57ffa", kill_on_drop: false }`
[INFO] [stdout] b13f14186ea0c31b4215280b1409662f22dce6240a695bae9acbec81b2a57ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3bd025fb49dce0a862cb9ff76f61280d29cbac0ea030e15b0fe3c05cff01c86b
[INFO] running `Command { std: "docker" "start" "-a" "3bd025fb49dce0a862cb9ff76f61280d29cbac0ea030e15b0fe3c05cff01c86b", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking clap_builder v4.5.47
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]     Checking clap v4.5.47
[INFO] [stderr]     Checking regex v1.11.3
[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/regex-1.11.3/src/lib.rs:1321:34
[INFO] [stdout]      |
[INFO] [stdout] 1321 | #![cfg_attr(feature = "pattern", feature(pattern))]
[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 `regex` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3bd025fb49dce0a862cb9ff76f61280d29cbac0ea030e15b0fe3c05cff01c86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd025fb49dce0a862cb9ff76f61280d29cbac0ea030e15b0fe3c05cff01c86b", kill_on_drop: false }`
[INFO] [stdout] 3bd025fb49dce0a862cb9ff76f61280d29cbac0ea030e15b0fe3c05cff01c86b