[INFO] fetching crate unros 0.1.1...
[INFO] checking unros-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate unros 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate unros 0.1.1
[INFO] finished tweaking crates.io crate unros 0.1.1
[INFO] tweaked toml for crates.io crate unros 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unros 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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 334 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unros-macros v0.1.1
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.1
[INFO] [stderr]   Downloaded prost v0.12.6
[INFO] [stderr]   Downloaded axum-core v0.3.4
[INFO] [stderr]   Downloaded console-api v0.6.0
[INFO] [stderr]   Downloaded prost-types v0.12.6
[INFO] [stderr]   Downloaded prost-derive v0.12.6
[INFO] [stderr]   Downloaded config v0.14.1
[INFO] [stderr]   Downloaded console-subscriber v0.2.0
[INFO] [stderr]   Downloaded tonic v0.10.2
[INFO] [stderr]   Downloaded h2 v0.4.14
[INFO] [stderr]   Downloaded ffmpeg-sidecar v1.2.0
[INFO] [stderr]   Downloaded yaml-rust2 v0.8.1
[INFO] [stderr]   Downloaded axum v0.6.20
[INFO] [stderr]   Downloaded colored v1.9.4
[INFO] [stderr]   Downloaded unros-core v0.1.2
[INFO] [stderr]   Downloaded fern v0.6.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ea6430715407f020fc34c34bdb93521906a727ff89bf975d64d9b1dc78cb077
[INFO] running `Command { std: "docker" "start" "-a" "3ea6430715407f020fc34c34bdb93521906a727ff89bf975d64d9b1dc78cb077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ea6430715407f020fc34c34bdb93521906a727ff89bf975d64d9b1dc78cb077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea6430715407f020fc34c34bdb93521906a727ff89bf975d64d9b1dc78cb077", kill_on_drop: false }`
[INFO] [stdout] 3ea6430715407f020fc34c34bdb93521906a727ff89bf975d64d9b1dc78cb077
[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=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] ecbbb8ce4f23b02207091526ef48ceb5054d1ce5a09253683e5fe17cc0325652
[INFO] running `Command { std: "docker" "start" "-a" "ecbbb8ce4f23b02207091526ef48ceb5054d1ce5a09253683e5fe17cc0325652", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]    Compiling owo-colors v4.3.0
[INFO] [stderr]     Checking rustls-pki-types v1.14.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking unicode-segmentation v1.13.2
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking eyre v0.6.12
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling unros-macros v0.1.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]     Checking zerocopy v0.8.48
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking openssl-sys v0.9.115
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking jpeg-decoder v0.3.2
[INFO] [stderr]     Checking sysinfo v0.30.13
[INFO] [stderr]     Checking openssl v0.10.79
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking prost v0.12.6
[INFO] [stderr]     Checking color-eyre v0.6.5
[INFO] [stderr]     Checking ctrlc v3.5.2
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking prost-types v0.12.6
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking exr v1.74.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking native-tls v0.2.18
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]     Checking hashlink v0.8.4
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking tokio-io-timeout v1.2.1
[INFO] [stderr]     Checking tokio-stream v0.1.18
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking yaml-rust2 v0.8.1
[INFO] [stderr]     Checking rust-ini v0.20.0
[INFO] [stderr]     Checking tower-http v0.6.10
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking h2 v0.4.14
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking config v0.14.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper v1.9.0
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.28
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking ffmpeg-sidecar v1.2.0
[INFO] [stderr]     Checking tonic v0.10.2
[INFO] [stderr]     Checking console-api v0.6.0
[INFO] [stderr]     Checking console-subscriber v0.2.0
[INFO] [stderr]     Checking unros-core 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/unros-core-0.1.2/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / #![feature(
[INFO] [stdout] 18 | |     once_cell_try,
[INFO] [stdout] 19 | |     result_flattening,
[INFO] [stdout] 20 | |     div_duration
[INFO] [stdout] 21 | | )]
[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 `unros-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ecbbb8ce4f23b02207091526ef48ceb5054d1ce5a09253683e5fe17cc0325652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbbb8ce4f23b02207091526ef48ceb5054d1ce5a09253683e5fe17cc0325652", kill_on_drop: false }`
[INFO] [stdout] ecbbb8ce4f23b02207091526ef48ceb5054d1ce5a09253683e5fe17cc0325652