[INFO] fetching crate sweet 0.4.2...
[INFO] testing sweet-0.4.2 against 1.95.0 for beta-1.96-2
[INFO] extracting crate sweet 0.4.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sweet 0.4.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sweet 0.4.2
[INFO] tweaked toml for crates.io crate sweet 0.4.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sweet 0.4.2 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 sweet 0.4.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extend v1.2.0
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[INFO] [stderr]   Downloaded svg_fmt v0.4.5
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1e5b7a5062696b708501b1b49784a9c15dfa1081b3497a38a207442b40bdca5d
[INFO] running `Command { std: "docker" "start" "-a" "1e5b7a5062696b708501b1b49784a9c15dfa1081b3497a38a207442b40bdca5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e5b7a5062696b708501b1b49784a9c15dfa1081b3497a38a207442b40bdca5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5b7a5062696b708501b1b49784a9c15dfa1081b3497a38a207442b40bdca5d", kill_on_drop: false }`
[INFO] [stdout] 1e5b7a5062696b708501b1b49784a9c15dfa1081b3497a38a207442b40bdca5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a06f7f4eebf60118659efcb3e03504e55b7d733631f8cd95764f17a0bb592a4
[INFO] running `Command { std: "docker" "start" "-a" "6a06f7f4eebf60118659efcb3e03504e55b7d733631f8cd95764f17a0bb592a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling disqualified v1.0.0
[INFO] [stderr]    Compiling bevy_ptr v0.17.1
[INFO] [stderr]    Compiling downcast-rs v2.0.2
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
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[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling bumpalo v3.19.0
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[INFO] [stderr]    Compiling tracing v0.1.41
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[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling const-fnv1a-hash v1.1.0
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[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling async-channel v2.5.0
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[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
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[INFO] [stderr]    Compiling mio v1.0.4
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[INFO] [stderr]    Compiling clap_builder v4.5.48
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[INFO] [stderr]    Compiling getrandom v0.2.16
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling path-clean v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling async-fs v2.2.0
[INFO] [stderr]    Compiling flume v0.11.1
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[INFO] [stderr]    Compiling colorize v0.1.0
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[INFO] [stderr]    Compiling addr2line v0.25.1
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[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling bytemuck_derive v1.10.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling assert_type_match v0.1.1
[INFO] [stderr]    Compiling bevy_reflect_derive v0.17.1
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling bevy_ecs_macros v0.17.1
[INFO] [stderr]    Compiling bevy_derive v0.17.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling sweet_macros v0.0.7
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling glam v0.30.8
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling ctrlc v3.5.0
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling bevy_platform v0.17.1
[INFO] [stderr]    Compiling bevy_utils v0.17.1
[INFO] [stderr]    Compiling bevy_tasks v0.17.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling bevy_reflect v0.17.1
[INFO] [stderr]    Compiling bevy_ecs v0.17.1
[INFO] [stderr]    Compiling bevy_math v0.17.1
[INFO] [stderr]    Compiling bevy_color v0.17.1
[INFO] [stderr]    Compiling bevy_app v0.17.1
[INFO] [stderr]    Compiling bevy_log v0.17.1
[INFO] [stderr]    Compiling bevy_time v0.17.1
[INFO] [stderr]    Compiling bevy_input v0.17.1
[INFO] [stderr]    Compiling bevy_transform v0.17.1
[INFO] [stderr]    Compiling bevy_diagnostic v0.17.1
[INFO] [stderr]    Compiling bevy_internal v0.17.1
[INFO] [stderr]    Compiling bevy v0.17.1
[INFO] [stderr]    Compiling beet_utils v0.0.7
[INFO] [stderr]    Compiling sweet v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     feature(fn_traits, backtrace_frames, unboxed_closures, test)
[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 `sweet` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6a06f7f4eebf60118659efcb3e03504e55b7d733631f8cd95764f17a0bb592a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a06f7f4eebf60118659efcb3e03504e55b7d733631f8cd95764f17a0bb592a4", kill_on_drop: false }`
[INFO] [stdout] 6a06f7f4eebf60118659efcb3e03504e55b7d733631f8cd95764f17a0bb592a4
