[INFO] fetching crate dttc 0.0.7...
[INFO] checking dttc-0.0.7 against 1.95.0 for pr-155915
[INFO] extracting crate dttc 0.0.7 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate dttc 0.0.7
[INFO] finished tweaking crates.io crate dttc 0.0.7
[INFO] tweaked toml for crates.io crate dttc 0.0.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dttc 0.0.7 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 dttc 0.0.7 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" "+1.95.0" "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 debug_unsafe v0.1.4
[INFO] [stderr]   Downloaded no-std-compat2 v0.4.5
[INFO] [stderr]   Downloaded atoi_simd v0.17.0
[INFO] [stderr]   Downloaded ext v0.0.3
[INFO] [stderr]   Downloaded calamine v0.33.0
[INFO] [stderr]   Downloaded zlib-rs v0.6.2
[INFO] [stderr]   Downloaded minstant v0.1.7
[INFO] [stderr]   Downloaded chinese_holiday v2026.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2f6c84c8d19d54d8c62d23d016135192c32cb03dd8b06ce416a7279f8637572d
[INFO] running `Command { std: "docker" "start" "-a" "2f6c84c8d19d54d8c62d23d016135192c32cb03dd8b06ce416a7279f8637572d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f6c84c8d19d54d8c62d23d016135192c32cb03dd8b06ce416a7279f8637572d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6c84c8d19d54d8c62d23d016135192c32cb03dd8b06ce416a7279f8637572d", kill_on_drop: false }`
[INFO] [stdout] 2f6c84c8d19d54d8c62d23d016135192c32cb03dd8b06ce416a7279f8637572d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c24345a65457a35b6cc2364e555d42a2d4cebfec83f52a3c67b070fd2f2ae3
[INFO] running `Command { std: "docker" "start" "-a" "c7c24345a65457a35b6cc2364e555d42a2d4cebfec83f52a3c67b070fd2f2ae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking zlib-rs v0.6.2
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]    Compiling no-std-compat2 v0.4.5
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking zopfli v0.8.3
[INFO] [stderr]     Checking typed-path v0.12.3
[INFO] [stderr]     Checking debug_unsafe v0.1.4
[INFO] [stderr]     Checking codepage v0.1.2
[INFO] [stderr]     Checking quick-xml v0.38.4
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]     Checking atoi_simd v0.17.0
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]     Checking zip v7.2.0
[INFO] [stderr]     Checking calamine v0.33.0
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]     Checking minstant v0.1.7
[INFO] [stderr]     Checking ext v0.0.3
[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/ext-0.0.3/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(impl_trait_in_assoc_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chrono-tz-build v0.2.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ext` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c7c24345a65457a35b6cc2364e555d42a2d4cebfec83f52a3c67b070fd2f2ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c24345a65457a35b6cc2364e555d42a2d4cebfec83f52a3c67b070fd2f2ae3", kill_on_drop: false }`
[INFO] [stdout] c7c24345a65457a35b6cc2364e555d42a2d4cebfec83f52a3c67b070fd2f2ae3