[INFO] fetching crate xg 0.0.10...
[INFO] testing xg-0.0.10 against 1.91.0 for beta-1.92-2
[INFO] extracting crate xg 0.0.10 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate xg 0.0.10
[INFO] finished tweaking crates.io crate xg 0.0.10
[INFO] tweaked toml for crates.io crate xg 0.0.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xg 0.0.10 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--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]      Locking 220 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.6.20 (available: v0.8.6)
[INFO] [stderr]       Adding pgm v0.0.7 (available: v0.0.8)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aok v0.1.18
[INFO] [stderr]   Downloaded cfg_aliases v0.2.1
[INFO] [stderr]   Downloaded static_init_macro v1.0.4
[INFO] [stderr]   Downloaded cfg_aliases v0.1.1
[INFO] [stderr]   Downloaded try-lock v0.2.5
[INFO] [stderr]   Downloaded trt v0.1.29
[INFO] [stderr]   Downloaded xg_proc v0.0.9
[INFO] [stderr]   Downloaded pgw v0.2.17
[INFO] [stderr]   Downloaded aho-corasick v1.1.4
[INFO] [stderr]   Downloaded axum-core v0.3.4
[INFO] [stderr]   Downloaded httpdate v1.0.3
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.20
[INFO] [stderr]   Downloaded sync_wrapper v0.1.2
[INFO] [stderr]   Downloaded futures-io v0.3.31
[INFO] [stderr]   Downloaded openssl-probe v0.1.6
[INFO] [stderr]   Downloaded serde_urlencoded v0.7.1
[INFO] [stderr]   Downloaded security-framework-sys v2.15.0
[INFO] [stderr]   Downloaded http-body v0.4.6
[INFO] [stderr]   Downloaded matchit v0.7.3
[INFO] [stderr]   Downloaded pin-project v1.1.10
[INFO] [stderr]   Downloaded tower v0.4.13
[INFO] [stderr]   Downloaded bcder v0.7.6
[INFO] [stderr]   Downloaded security-framework v3.5.1
[INFO] [stderr]   Downloaded der v0.7.10
[INFO] [stderr]   Downloaded socket2 v0.5.10
[INFO] [stderr]   Downloaded http v0.2.12
[INFO] [stderr]   Downloaded unicode-normalization v0.1.25
[INFO] [stderr]   Downloaded itertools v0.13.0
[INFO] [stderr]   Downloaded hyper v0.14.32
[INFO] [stderr]   Downloaded bindgen v0.72.1
[INFO] [stderr]   Downloaded tokio-util v0.7.17
[INFO] [stderr]   Downloaded aws-lc-rs v1.14.1
[INFO] [stderr]   Downloaded axum v0.6.20
[INFO] [stderr]   Downloaded tokio-postgres-fork v0.7.13
[INFO] [stderr]   Downloaded rustls-webpki v0.103.8
[INFO] [stderr]   Downloaded const-oid v0.9.6
[INFO] [stderr]   Downloaded x509-certificate v0.24.0
[INFO] [stderr]   Downloaded rustls v0.23.35
[INFO] [stderr]   Downloaded futures v0.3.31
[INFO] [stderr]   Downloaded tlsinit v0.1.7
[INFO] [stderr]   Downloaded futures-channel v0.3.31
[INFO] [stderr]   Downloaded hmac v0.12.1
[INFO] [stderr]   Downloaded fs_extra v1.3.0
[INFO] [stderr]   Downloaded base64ct v1.8.0
[INFO] [stderr]   Downloaded zeroize_derive v1.4.2
[INFO] [stderr]   Downloaded zeroize v1.8.2
[INFO] [stderr]   Downloaded futures-executor v0.3.31
[INFO] [stderr]   Downloaded core-foundation v0.10.1
[INFO] [stderr]   Downloaded rustls-native-certs v0.8.2
[INFO] [stderr]   Downloaded sha2 v0.10.9
[INFO] [stderr]   Downloaded unicode-properties v0.1.4
[INFO] [stderr]   Downloaded postgres-protocol v0.6.9
[INFO] [stderr]   Downloaded postgres-types v0.2.11
[INFO] [stderr]   Downloaded web-sys v0.3.82
[INFO] [stderr]   Downloaded whoami v1.6.1
[INFO] [stderr]   Downloaded pem v3.0.6
[INFO] [stderr]   Downloaded untrusted v0.9.0
[INFO] [stderr]   Downloaded spki v0.7.3
[INFO] [stderr]   Downloaded phf_shared v0.11.3
[INFO] [stderr]   Downloaded md-5 v0.10.6
[INFO] [stderr]   Downloaded stringprep v0.1.5
[INFO] [stderr]   Downloaded dunce v1.0.5
[INFO] [stderr]   Downloaded rustls-pki-types v1.13.0
[INFO] [stderr]   Downloaded subtle v2.6.1
[INFO] [stderr]   Downloaded pgm v0.0.7
[INFO] [stderr]   Downloaded fallible-iterator v0.2.0
[INFO] [stderr]   Downloaded signature v2.2.0
[INFO] [stderr]   Downloaded schannel v0.1.28
[INFO] [stderr]   Downloaded siphasher v1.0.1
[INFO] [stderr]   Downloaded phf v0.11.3
[INFO] [stderr]   Downloaded jobserver v0.1.34
[INFO] [stderr]   Downloaded static_init v1.0.4
[INFO] [stderr]   Downloaded want v0.3.1
[INFO] [stderr]   Downloaded pin-project-internal v1.1.10
[INFO] [stderr]   Downloaded hidden_password v0.1.5
[INFO] [stderr]   Downloaded unicode-bidi v0.3.18
[INFO] [stderr]   Downloaded libredox v0.1.10
[INFO] [stderr]   Downloaded ring v0.17.14
[INFO] [stderr]   Downloaded wasite v0.1.0
[INFO] [stderr]   Downloaded tokio-rustls v0.26.4
[INFO] [stderr]   Downloaded windows-sys v0.52.0
[INFO] [stderr]   Downloaded aws-lc-sys v0.32.3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 167bd9a3d2dc9e6a89bcdfa372d6df4b1eb00473fc2bcf848d8a102a6a116e3b
[INFO] running `Command { std: "docker" "start" "-a" "167bd9a3d2dc9e6a89bcdfa372d6df4b1eb00473fc2bcf848d8a102a6a116e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "167bd9a3d2dc9e6a89bcdfa372d6df4b1eb00473fc2bcf848d8a102a6a116e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167bd9a3d2dc9e6a89bcdfa372d6df4b1eb00473fc2bcf848d8a102a6a116e3b", kill_on_drop: false }`
[INFO] [stdout] 167bd9a3d2dc9e6a89bcdfa372d6df4b1eb00473fc2bcf848d8a102a6a116e3b
[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=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] b699faeedcf0f80c2f37aa93bd6b7b43f04488caeec4684f7d8ddd37a1eba74c
[INFO] running `Command { std: "docker" "start" "-a" "b699faeedcf0f80c2f37aa93bd6b7b43f04488caeec4684f7d8ddd37a1eba74c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling aws-lc-rs v1.14.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling unicode-properties v0.1.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling aok v0.1.18
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]    Compiling whoami v1.6.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling pem v3.0.6
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling bcder v0.7.6
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling hidden_password v0.1.5
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling postgres-protocol v0.6.9
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling postgres-types v0.2.11
[INFO] [stderr]    Compiling aws-lc-sys v0.32.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling rustls-pki-types v1.13.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rustls-native-certs v0.8.2
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling x509-certificate v0.24.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling trt v0.1.29
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper v0.14.32
[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/trt-0.1.29/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_metavar_expr)]
[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 `trt` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b699faeedcf0f80c2f37aa93bd6b7b43f04488caeec4684f7d8ddd37a1eba74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b699faeedcf0f80c2f37aa93bd6b7b43f04488caeec4684f7d8ddd37a1eba74c", kill_on_drop: false }`
[INFO] [stdout] b699faeedcf0f80c2f37aa93bd6b7b43f04488caeec4684f7d8ddd37a1eba74c