[INFO] fetching crate fuc_engine 3.1.1...
[INFO] checking fuc_engine-3.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate fuc_engine 3.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fuc_engine 3.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fuc_engine 3.1.1
[INFO] tweaked toml for crates.io crate fuc_engine 3.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fuc_engine 3.1.1 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 crates.io crate fuc_engine 3.1.1 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 hashbag v0.1.12
[INFO] [stderr]   Downloaded public-api v0.49.0
[INFO] [stderr]   Downloaded clap-num v1.2.0
[INFO] [stderr]   Downloaded rustdoc-json v0.9.6
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded clap-verbosity-flag2 v2.1.1
[INFO] [stderr]   Downloaded cargo-manifest v0.19.1
[INFO] [stderr]   Downloaded remove_dir_all v1.0.0
[INFO] [stderr]   Downloaded rustdoc-types v0.54.0
[INFO] [stderr]   Downloaded io-adapters v0.4.0
[INFO] [stderr]   Downloaded bytesize v2.0.1
[INFO] [stderr]   Downloaded fs_at v0.2.1
[INFO] [stderr]   Downloaded sysexits v0.9.0
[INFO] [stderr]   Downloaded cvt v0.1.2
[INFO] [stderr]   Downloaded supercilex-tests v0.4.21
[INFO] [stderr]   Downloaded error-stack v0.5.0
[INFO] [stderr]   Downloaded winnow v0.7.12
[INFO] [stderr]   Downloaded serde_json v1.0.141
[INFO] [stderr]   Downloaded ftzz v4.0.0
[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] 4f648bedb3fda56af122f09b9a6cc8ffb03a09c1f5d704f9e4e348ecd711bf53
[INFO] running `Command { std: "docker" "start" "-a" "4f648bedb3fda56af122f09b9a6cc8ffb03a09c1f5d704f9e4e348ecd711bf53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f648bedb3fda56af122f09b9a6cc8ffb03a09c1f5d704f9e4e348ecd711bf53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f648bedb3fda56af122f09b9a6cc8ffb03a09c1f5d704f9e4e348ecd711bf53", kill_on_drop: false }`
[INFO] [stdout] 4f648bedb3fda56af122f09b9a6cc8ffb03a09c1f5d704f9e4e348ecd711bf53
[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] f9f2c034c35dccc0edffb2a76c45336450ba1cf8af9c457041d73b31cec9428c
[INFO] running `Command { std: "docker" "start" "-a" "f9f2c034c35dccc0edffb2a76c45336450ba1cf8af9c457041d73b31cec9428c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling darling_core v0.21.0
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking winnow v0.7.12
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling error-stack v0.5.0
[INFO] [stderr]    Compiling ftzz v4.0.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking hashbag v0.1.12
[INFO] [stderr]     Checking dissimilar v1.0.10
[INFO] [stderr]     Checking expect-test v1.5.1
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking clap-num v1.2.0
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking sysexits v0.9.0
[INFO] [stderr]     Checking bytesize v2.0.1
[INFO] [stderr]     Checking io-adapters v0.4.0
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking terminal_size v0.4.2
[INFO] [stderr]     Checking cargo-platform v0.1.9
[INFO] [stderr]    Compiling darling_macro v0.21.0
[INFO] [stderr]     Checking clap_builder v4.5.41
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]    Compiling darling v0.21.0
[INFO] [stderr]     Checking rustdoc-types v0.54.0
[INFO] [stderr]    Compiling bon-macros v3.6.5
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking cargo_metadata v0.19.2
[INFO] [stderr]     Checking rstest v0.25.0
[INFO] [stderr]     Checking clap v4.5.41
[INFO] [stderr]     Checking clap-verbosity-flag2 v2.1.1
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking public-api v0.49.0
[INFO] [stderr]     Checking cargo-manifest v0.19.1
[INFO] [stderr]     Checking rustdoc-json v0.9.6
[INFO] [stderr]     Checking bon v3.6.5
[INFO] [stderr]     Checking fuc_engine v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking supercilex-tests v0.4.21
[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/supercilex-tests-0.4.21/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exit_status_error)]
[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 `supercilex-tests` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f9f2c034c35dccc0edffb2a76c45336450ba1cf8af9c457041d73b31cec9428c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f2c034c35dccc0edffb2a76c45336450ba1cf8af9c457041d73b31cec9428c", kill_on_drop: false }`
[INFO] [stdout] f9f2c034c35dccc0edffb2a76c45336450ba1cf8af9c457041d73b31cec9428c
