[INFO] fetching crate xxpg 0.1.19...
[INFO] testing xxpg-0.1.19 against 1.91.0 for beta-1.92-2
[INFO] extracting crate xxpg 0.1.19 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate xxpg 0.1.19
[INFO] finished tweaking crates.io crate xxpg 0.1.19
[INFO] tweaked toml for crates.io crate xxpg 0.1.19 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xxpg 0.1.19 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 165 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.6.20 (available: v0.8.6)
[INFO] [stderr]       Adding ctor v0.2.9 (available: v0.6.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.5.10
[INFO] [stderr]   Downloaded tower-layer v0.3.3
[INFO] [stderr]   Downloaded phf_shared v0.11.3
[INFO] [stderr]   Downloaded form_urlencoded v1.2.2
[INFO] [stderr]   Downloaded msgpacker v0.4.8
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.20
[INFO] [stderr]   Downloaded pin-project-internal v1.1.10
[INFO] [stderr]   Downloaded axum-core v0.3.4
[INFO] [stderr]   Downloaded matchit v0.7.3
[INFO] [stderr]   Downloaded xxai-tokio-postgres v0.7.15
[INFO] [stderr]   Downloaded tower v0.4.13
[INFO] [stderr]   Downloaded pin-project v1.1.10
[INFO] [stderr]   Downloaded serde_json v1.0.145
[INFO] [stderr]   Downloaded axum v0.6.20
[INFO] [stderr]   Downloaded msgpacker-derive v0.3.2
[INFO] [stderr]   Downloaded paste v1.0.15
[INFO] [stderr]   Downloaded xxai-postgres-types v0.2.9
[INFO] [stderr]   Downloaded ctor v0.2.9
[INFO] [stderr]   Downloaded phf v0.11.3
[INFO] [stderr]   Downloaded getrandom v0.2.16
[INFO] [stderr]   Downloaded xxpg_proc v0.1.7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b976055d0a0054a7c8ef1f9d446774d60aea2ef90968086d8cdd1cb35f392683
[INFO] running `Command { std: "docker" "start" "-a" "b976055d0a0054a7c8ef1f9d446774d60aea2ef90968086d8cdd1cb35f392683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b976055d0a0054a7c8ef1f9d446774d60aea2ef90968086d8cdd1cb35f392683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b976055d0a0054a7c8ef1f9d446774d60aea2ef90968086d8cdd1cb35f392683", kill_on_drop: false }`
[INFO] [stdout] b976055d0a0054a7c8ef1f9d446774d60aea2ef90968086d8cdd1cb35f392683
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e54f2fb05f136a0de8618c38c976a8b2af230f4a5fe1650f367d866bd7b8b2bf
[INFO] running `Command { std: "docker" "start" "-a" "e54f2fb05f136a0de8618c38c976a8b2af230f4a5fe1650f367d866bd7b8b2bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling aok v0.1.18
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling postgres-types v0.2.11
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling whoami v1.6.1
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling xxai-postgres-types v0.2.9
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling msgpacker-derive v0.3.2
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling msgpacker v0.4.8
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling trt v0.1.29
[INFO] [stderr]    Compiling async-lazy v0.1.2
[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] [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/async-lazy-0.1.2/src/lib.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "nightly", feature(doc_cfg, impl_trait_in_assoc_type))]
[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 `async-lazy` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e54f2fb05f136a0de8618c38c976a8b2af230f4a5fe1650f367d866bd7b8b2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54f2fb05f136a0de8618c38c976a8b2af230f4a5fe1650f367d866bd7b8b2bf", kill_on_drop: false }`
[INFO] [stdout] e54f2fb05f136a0de8618c38c976a8b2af230f4a5fe1650f367d866bd7b8b2bf