[INFO] fetching crate trait-cast 0.3.7...
[INFO] testing trait-cast-0.3.7 against 1.90.0 for beta-1.91-3
[INFO] extracting crate trait-cast 0.3.7 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate trait-cast 0.3.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate trait-cast 0.3.7
[INFO] tweaked toml for crates.io crate trait-cast 0.3.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait-cast 0.3.7 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate trait-cast 0.3.7 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trait-cast-macros v0.3.7
[INFO] [stderr]   Downloaded bitflags v2.9.0
[INFO] [stderr]   Downloaded tracing-panic v0.1.2
[INFO] [stderr]   Downloaded cargo-manifest-proc-macros v0.4.3
[INFO] [stderr]   Downloaded num_threads v0.1.7
[INFO] [stderr]   Downloaded tracing-proc-macros-ink v0.1.5
[INFO] [stderr]   Downloaded redox_syscall v0.5.10
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afa75d48eb5c8ea52432db786c58ebd6a59cd40e1851cb3d6c93f23ad121bdca
[INFO] running `Command { std: "docker" "start" "-a" "afa75d48eb5c8ea52432db786c58ebd6a59cd40e1851cb3d6c93f23ad121bdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afa75d48eb5c8ea52432db786c58ebd6a59cd40e1851cb3d6c93f23ad121bdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa75d48eb5c8ea52432db786c58ebd6a59cd40e1851cb3d6c93f23ad121bdca", kill_on_drop: false }`
[INFO] [stdout] afa75d48eb5c8ea52432db786c58ebd6a59cd40e1851cb3d6c93f23ad121bdca
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52d686e0e0a7b5320f1138683a5a1ed90ae15a9d800613e21052f800d02b8887
[INFO] running `Command { std: "docker" "start" "-a" "52d686e0e0a7b5320f1138683a5a1ed90ae15a9d800613e21052f800d02b8887", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling winnow v0.6.24
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling cargo-manifest-proc-macros v0.4.3
[INFO] [stderr]    Compiling tracing-panic v0.1.2
[INFO] [stderr]    Compiling tracing-proc-macros-ink v0.1.5
[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/tracing-proc-macros-ink-0.1.5/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/tracing-proc-macros-ink-0.1.5/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_tracked_env)]
[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 `tracing-proc-macros-ink` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "52d686e0e0a7b5320f1138683a5a1ed90ae15a9d800613e21052f800d02b8887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d686e0e0a7b5320f1138683a5a1ed90ae15a9d800613e21052f800d02b8887", kill_on_drop: false }`
[INFO] [stdout] 52d686e0e0a7b5320f1138683a5a1ed90ae15a9d800613e21052f800d02b8887