[INFO] fetching crate t3 0.1.21...
[INFO] testing t3-0.1.21 against 1.91.0 for beta-1.92-2
[INFO] extracting crate t3 0.1.21 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate t3 0.1.21
[INFO] finished tweaking crates.io crate t3 0.1.21
[INFO] tweaked toml for crates.io crate t3 0.1.21 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate t3 0.1.21 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate t3 0.1.21 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded psl-types v2.0.11
[INFO] [stderr]   Downloaded xstr v0.1.11
[INFO] [stderr]   Downloaded log v0.4.26
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[INFO] [stderr]   Downloaded re v0.1.9
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[INFO] [stderr]   Downloaded munge v0.4.3
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[INFO] [stderr]   Downloaded matchit v0.8.4
[INFO] [stderr]   Downloaded axum-core v0.5.0
[INFO] [stderr]   Downloaded zstd-safe v7.2.3
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.21
[INFO] [stderr]   Downloaded rand v0.9.0
[INFO] [stderr]   Downloaded wasi v0.13.3+wasi-0.2.2
[INFO] [stderr]   Downloaded axum v0.7.9
[INFO] [stderr]   Downloaded cc v1.2.16
[INFO] [stderr]   Downloaded axum v0.8.1
[INFO] [stderr]   Downloaded wasix v0.12.21
[INFO] [stderr]   Downloaded rkyv v0.8.10
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[INFO] [stderr]   Downloaded syn v2.0.99
[INFO] [stderr]   Downloaded sonic-rs v0.3.17
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[INFO] [stderr]   Downloaded tower-http v0.6.2
[INFO] [stderr]   Downloaded psl v2.1.90
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[INFO] [stderr]   Downloaded faststr v0.2.31
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[INFO] [stderr]   Downloaded uuid v1.15.1
[INFO] [stderr]   Downloaded bytes v1.10.0
[INFO] [stderr]   Downloaded socket2 v0.5.8
[INFO] [stderr]   Downloaded getrandom v0.3.1
[INFO] [stderr]   Downloaded tungstenite v0.26.2
[INFO] [stderr]   Downloaded tokio-tungstenite v0.26.2
[INFO] [stderr]   Downloaded async-trait v0.1.87
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.17
[INFO] [stderr]   Downloaded prost-derive v0.13.5
[INFO] [stderr]   Downloaded rkyv_derive v0.8.10
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[INFO] [stderr]   Downloaded data-encoding v2.8.0
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[INFO] [stderr]   Downloaded prost v0.13.5
[INFO] [stderr]   Downloaded rend v0.5.2
[INFO] [stderr]   Downloaded sonic-number v0.1.0
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[INFO] [stderr]   Downloaded tokio v1.43.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.14+zstd.1.5.7
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[INFO] [stderr]   Downloaded zstd v0.13.3
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[INFO] [stderr]   Downloaded quote v1.0.39
[INFO] [stderr]   Downloaded munge_macro v0.4.3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f22c6c9fbdd8ff6c5bfb4ca79b8eebb738b26697f6263999451fe793f3a85cf
[INFO] running `Command { std: "docker" "start" "-a" "0f22c6c9fbdd8ff6c5bfb4ca79b8eebb738b26697f6263999451fe793f3a85cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f22c6c9fbdd8ff6c5bfb4ca79b8eebb738b26697f6263999451fe793f3a85cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f22c6c9fbdd8ff6c5bfb4ca79b8eebb738b26697f6263999451fe793f3a85cf", kill_on_drop: false }`
[INFO] [stdout] 0f22c6c9fbdd8ff6c5bfb4ca79b8eebb738b26697f6263999451fe793f3a85cf
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb274d8e458e8ba2bed9690c025420d9b46718249864f5cb0d227820dbdec161
[INFO] running `Command { std: "docker" "start" "-a" "eb274d8e458e8ba2bed9690c025420d9b46718249864f5cb0d227820dbdec161", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling zerocopy v0.8.21
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling zstd-safe v7.2.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling data-encoding v2.8.0
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling sonic-simd v0.1.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling sonic-number v0.1.0
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling psl-types v2.0.11
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling xstr v0.1.11
[INFO] [stderr]    Compiling psl v2.1.90
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling coarsetime v0.1.36
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling zstd-sys v2.0.14+zstd.1.5.7
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling async-trait v0.1.87
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling xtld v0.1.6
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling tungstenite v0.26.2
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling axum-core v0.5.0
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling async-compression v0.4.20
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling tokio-tungstenite v0.26.2
[INFO] [stderr]    Compiling tower-http v0.6.2
[INFO] [stderr]    Compiling serde_path_to_error v0.1.17
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling faststr v0.2.31
[INFO] [stderr]    Compiling sonic-rs v0.3.17
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling axum v0.8.1
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling re v0.1.9
[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/re-0.1.9/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[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` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "eb274d8e458e8ba2bed9690c025420d9b46718249864f5cb0d227820dbdec161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb274d8e458e8ba2bed9690c025420d9b46718249864f5cb0d227820dbdec161", kill_on_drop: false }`
[INFO] [stdout] eb274d8e458e8ba2bed9690c025420d9b46718249864f5cb0d227820dbdec161