[INFO] fetching crate fuc_engine 1.1.9...
[INFO] testing fuc_engine-1.1.9 against 1.75.0 for beta-1.76-1
[INFO] extracting crate fuc_engine 1.1.9 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fuc_engine 1.1.9 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuc_engine 1.1.9
[INFO] finished tweaking crates.io crate fuc_engine 1.1.9
[INFO] tweaked toml for crates.io crate fuc_engine 1.1.9 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded supercilex-tests v0.3.4
[INFO] [stderr]   Downloaded sysexits v0.7.7
[INFO] [stderr]   Downloaded rustdoc-json v0.8.8
[INFO] [stderr]   Downloaded cargo-manifest v0.12.1
[INFO] [stderr]   Downloaded clap-verbosity-flag v2.1.1
[INFO] [stderr]   Downloaded expect-test v1.4.1
[INFO] [stderr]   Downloaded error-stack v0.4.1
[INFO] [stderr]   Downloaded dissimilar v1.0.7
[INFO] [stderr]   Downloaded simple_logger v4.3.3
[INFO] [stderr]   Downloaded clap-num v1.0.2
[INFO] [stderr]   Downloaded public-api v0.32.0
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded rustdoc-types v0.23.0
[INFO] [stderr]   Downloaded ftzz v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba126a5bf5014304e2c986d944696adf134cf0e89e5a9b8c52bfaafaa703f19d
[INFO] running `Command { std: "docker" "start" "-a" "ba126a5bf5014304e2c986d944696adf134cf0e89e5a9b8c52bfaafaa703f19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba126a5bf5014304e2c986d944696adf134cf0e89e5a9b8c52bfaafaa703f19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba126a5bf5014304e2c986d944696adf134cf0e89e5a9b8c52bfaafaa703f19d", kill_on_drop: false }`
[INFO] [stdout] ba126a5bf5014304e2c986d944696adf134cf0e89e5a9b8c52bfaafaa703f19d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d0871aee03acf5c53a514e6e600952205e49c31bc40b777f28269d4c73b378
[INFO] running `Command { std: "docker" "start" "-a" "b8d0871aee03acf5c53a514e6e600952205e49c31bc40b777f28269d4c73b378", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling typed-builder-macro v0.16.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling typed-builder v0.16.2
[INFO] [stderr]    Compiling fuc_engine v1.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "b8d0871aee03acf5c53a514e6e600952205e49c31bc40b777f28269d4c73b378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d0871aee03acf5c53a514e6e600952205e49c31bc40b777f28269d4c73b378", kill_on_drop: false }`
[INFO] [stdout] b8d0871aee03acf5c53a514e6e600952205e49c31bc40b777f28269d4c73b378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8b2dd8fb0bd84385e2b00e2dde3b12928dc516b7b7766dbbb7821cc2a02d338
[INFO] running `Command { std: "docker" "start" "-a" "e8b2dd8fb0bd84385e2b00e2dde3b12928dc516b7b7766dbbb7821cc2a02d338", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling winnow v0.5.32
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling anstream v0.6.5
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling clap_builder v4.4.12
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling ftzz v2.0.3
[INFO] [stderr]    Compiling dissimilar v1.0.7
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling hashbag v0.1.11
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling expect-test v1.4.1
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling simple_logger v4.3.3
[INFO] [stderr]    Compiling sysexits v0.7.7
[INFO] [stderr]    Compiling bytesize v1.3.0
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling tempfile v3.9.0
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling clap-num v1.0.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling clap v4.4.13
[INFO] [stderr]    Compiling clap-verbosity-flag v2.1.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling cargo-platform v0.1.6
[INFO] [stderr]    Compiling rustdoc-types v0.23.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling toml_edit v0.21.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling error-stack v0.4.1
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[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-6f17d22bba15001f/ftzz-2.0.3/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-6f17d22bba15001f/ftzz-2.0.3/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_option)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-6f17d22bba15001f/ftzz-2.0.3/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(inline_const)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-6f17d22bba15001f/ftzz-2.0.3/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_option)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ftzz` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e8b2dd8fb0bd84385e2b00e2dde3b12928dc516b7b7766dbbb7821cc2a02d338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b2dd8fb0bd84385e2b00e2dde3b12928dc516b7b7766dbbb7821cc2a02d338", kill_on_drop: false }`
[INFO] [stdout] e8b2dd8fb0bd84385e2b00e2dde3b12928dc516b7b7766dbbb7821cc2a02d338
