[INFO] fetching crate cyrup_sugars 0.5.4...
[INFO] checking cyrup_sugars-0.5.4 against 1.95.0 for pr-155915
[INFO] extracting crate cyrup_sugars 0.5.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cyrup_sugars 0.5.4
[INFO] finished tweaking crates.io crate cyrup_sugars 0.5.4
[INFO] tweaked toml for crates.io crate cyrup_sugars 0.5.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cyrup_sugars 0.5.4 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 cyrup_sugars 0.5.4 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 sugars_async_task v0.5.4
[INFO] [stderr]   Downloaded tokio-test v0.4.4
[INFO] [stderr]   Downloaded sugars_collections v0.5.5
[INFO] [stderr]   Downloaded sugars_builders v0.5.4
[INFO] [stderr]   Downloaded gix-hash v0.19.0
[INFO] [stderr]   Downloaded sugars_macros v0.5.5
[INFO] [stderr]   Downloaded sugars_async_stream v0.5.4
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded faster-hex v0.10.0
[INFO] [stderr]   Downloaded criterion-plot v0.6.0
[INFO] [stderr]   Downloaded gix-trace v0.1.15
[INFO] [stderr]   Downloaded gix-features v0.43.1
[INFO] [stderr]   Downloaded clap v4.5.50
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] [stderr]   Downloaded prodash v30.0.1
[INFO] [stderr]   Downloaded criterion v0.7.0
[INFO] [stderr]   Downloaded proptest v1.9.0
[INFO] [stderr]   Downloaded clap_builder v4.5.50
[INFO] [stderr]   Downloaded web-sys v0.3.81
[INFO] [stderr]   Downloaded sha1-checked v0.10.0
[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] b3cf4793f1748a810f2057dfceb7b0965149b5a0267264b44487d4c55705fa2a
[INFO] running `Command { std: "docker" "start" "-a" "b3cf4793f1748a810f2057dfceb7b0965149b5a0267264b44487d4c55705fa2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3cf4793f1748a810f2057dfceb7b0965149b5a0267264b44487d4c55705fa2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3cf4793f1748a810f2057dfceb7b0965149b5a0267264b44487d4c55705fa2a", kill_on_drop: false }`
[INFO] [stdout] b3cf4793f1748a810f2057dfceb7b0965149b5a0267264b44487d4c55705fa2a
[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] ce9defe5f816f1b28d07a9e05b9d013c7321f0aaaaaf047614fdcdaf8c7f98c8
[INFO] running `Command { std: "docker" "start" "-a" "ce9defe5f816f1b28d07a9e05b9d013c7321f0aaaaaf047614fdcdaf8c7f98c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking clap_builder v4.5.50
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking clap v4.5.50
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling sugars_macros v0.5.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking proptest v1.9.0
[INFO] [stderr]     Checking criterion v0.7.0
[INFO] [stderr]     Checking sugars_collections v0.5.5
[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/sugars_collections-0.5.5/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(auto_traits, negative_impls)]
[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 `sugars_collections` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ce9defe5f816f1b28d07a9e05b9d013c7321f0aaaaaf047614fdcdaf8c7f98c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9defe5f816f1b28d07a9e05b9d013c7321f0aaaaaf047614fdcdaf8c7f98c8", kill_on_drop: false }`
[INFO] [stdout] ce9defe5f816f1b28d07a9e05b9d013c7321f0aaaaaf047614fdcdaf8c7f98c8
