[INFO] cloning repository https://github.com/aerkiaga/re_finite_automata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aerkiaga/re_finite_automata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faerkiaga%2Fre_finite_automata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faerkiaga%2Fre_finite_automata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46fcf3e6b94ae8d4bbfded0efd63635c5f4a7d13
[INFO] checking aerkiaga/re_finite_automata against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faerkiaga%2Fre_finite_automata" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aerkiaga/re_finite_automata
[INFO] finished tweaking git repo https://github.com/aerkiaga/re_finite_automata
[INFO] tweaked toml for git repo https://github.com/aerkiaga/re_finite_automata written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aerkiaga/re_finite_automata 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/aerkiaga/re_finite_automata 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 try_index v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a204d18510d73009d4e0193ad1d2ba7ac91b0cc2b0f35f7c406c4c3e00c809d0
[INFO] running `Command { std: "docker" "start" "-a" "a204d18510d73009d4e0193ad1d2ba7ac91b0cc2b0f35f7c406c4c3e00c809d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a204d18510d73009d4e0193ad1d2ba7ac91b0cc2b0f35f7c406c4c3e00c809d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a204d18510d73009d4e0193ad1d2ba7ac91b0cc2b0f35f7c406c4c3e00c809d0", kill_on_drop: false }`
[INFO] [stdout] a204d18510d73009d4e0193ad1d2ba7ac91b0cc2b0f35f7c406c4c3e00c809d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e3b260178f9c4f125d5bedf812dfd2077552e5780a6b983c0065627b6de94e2e
[INFO] running `Command { std: "docker" "start" "-a" "e3b260178f9c4f125d5bedf812dfd2077552e5780a6b983c0065627b6de94e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking try_index v0.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.42
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking re_finite_automata v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_lowest_highest_one)]
[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 `re_finite_automata` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e3b260178f9c4f125d5bedf812dfd2077552e5780a6b983c0065627b6de94e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b260178f9c4f125d5bedf812dfd2077552e5780a6b983c0065627b6de94e2e", kill_on_drop: false }`
[INFO] [stdout] e3b260178f9c4f125d5bedf812dfd2077552e5780a6b983c0065627b6de94e2e
