[INFO] fetching crate dartlib 0.3.0...
[INFO] testing dartlib-0.3.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate dartlib 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate dartlib 0.3.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dartlib 0.3.0
[INFO] finished tweaking crates.io crate dartlib 0.3.0
[INFO] tweaked toml for crates.io crate dartlib 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded triomphe v0.1.11
[INFO] [stderr]   Downloaded tagptr v0.2.0
[INFO] [stderr]   Downloaded moka v0.12.5
[INFO] [stderr]   Downloaded raw-cpuid v11.0.1
[INFO] [stderr]   Downloaded skeptic v0.13.7
[INFO] [stderr]   Downloaded quanta v0.12.2
[INFO] [stderr]   Downloaded ebr v0.2.11
[INFO] [stderr]   Downloaded stack-map v1.0.5
[INFO] [stderr]   Downloaded shared-local-state v0.1.4
[INFO] [stderr]   Downloaded concurrent-map v5.0.33
[INFO] [stderr]   Downloaded pagetable v0.4.5
[INFO] [stderr]   Downloaded marble v15.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d6f707b08fda3730e37f222e4634515add47671afd25a11127b8e04382371ad
[INFO] running `Command { std: "docker" "start" "-a" "9d6f707b08fda3730e37f222e4634515add47671afd25a11127b8e04382371ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d6f707b08fda3730e37f222e4634515add47671afd25a11127b8e04382371ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6f707b08fda3730e37f222e4634515add47671afd25a11127b8e04382371ad", kill_on_drop: false }`
[INFO] [stdout] 9d6f707b08fda3730e37f222e4634515add47671afd25a11127b8e04382371ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f1fd53e144e86dd198ba03c45028875e0a489d063758fd06329b702107fab21
[INFO] running `Command { std: "docker" "start" "-a" "0f1fd53e144e86dd198ba03c45028875e0a489d063758fd06329b702107fab21", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling stack-map v1.0.5
[INFO] [stderr]    Compiling moka v0.12.5
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling pagetable v0.4.5
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling shared-local-state v0.1.4
[INFO] [stderr]    Compiling fault-injection v1.0.10
[INFO] [stderr]    Compiling triomphe v0.1.11
[INFO] [stderr]    Compiling raw-cpuid v11.0.1
[INFO] [stderr]    Compiling ebr v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uuid v1.7.0
[INFO] [stderr]    Compiling concurrent-map v5.0.33
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling bincode v2.0.0-rc.3
[INFO] [stderr]    Compiling quanta v0.12.2
[INFO] [stderr]    Compiling marble v15.0.7
[INFO] [stderr]    Compiling dartlib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(portable_simd)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dartlib` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0f1fd53e144e86dd198ba03c45028875e0a489d063758fd06329b702107fab21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1fd53e144e86dd198ba03c45028875e0a489d063758fd06329b702107fab21", kill_on_drop: false }`
[INFO] [stdout] 0f1fd53e144e86dd198ba03c45028875e0a489d063758fd06329b702107fab21
[INFO] testing dartlib-0.3.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate dartlib 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate dartlib 0.3.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dartlib 0.3.0
[INFO] finished tweaking crates.io crate dartlib 0.3.0
[INFO] tweaked toml for crates.io crate dartlib 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c8d1dbff7d9561bc55259ea1f0f548a1b1eefe0b546fd3e3344fe027474b4df
[INFO] running `Command { std: "docker" "start" "-a" "2c8d1dbff7d9561bc55259ea1f0f548a1b1eefe0b546fd3e3344fe027474b4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8d1dbff7d9561bc55259ea1f0f548a1b1eefe0b546fd3e3344fe027474b4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8d1dbff7d9561bc55259ea1f0f548a1b1eefe0b546fd3e3344fe027474b4df", kill_on_drop: false }`
[INFO] [stdout] 2c8d1dbff7d9561bc55259ea1f0f548a1b1eefe0b546fd3e3344fe027474b4df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c92bc2485a2e9bfe78459528a79ddd7b10b13f4ea33f1ddbe1bd7ecbaaaee0de
[INFO] running `Command { std: "docker" "start" "-a" "c92bc2485a2e9bfe78459528a79ddd7b10b13f4ea33f1ddbe1bd7ecbaaaee0de", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling moka v0.12.5
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]    Compiling stack-map v1.0.5
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling pagetable v0.4.5
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling shared-local-state v0.1.4
[INFO] [stderr]    Compiling fault-injection v1.0.10
[INFO] [stderr]    Compiling triomphe v0.1.11
[INFO] [stderr]    Compiling raw-cpuid v11.0.1
[INFO] [stderr]    Compiling ebr v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uuid v1.7.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling concurrent-map v5.0.33
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling bincode v2.0.0-rc.3
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling quanta v0.12.2
[INFO] [stderr]    Compiling marble v15.0.7
[INFO] [stderr]    Compiling dartlib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(portable_simd)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dartlib` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c92bc2485a2e9bfe78459528a79ddd7b10b13f4ea33f1ddbe1bd7ecbaaaee0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92bc2485a2e9bfe78459528a79ddd7b10b13f4ea33f1ddbe1bd7ecbaaaee0de", kill_on_drop: false }`
[INFO] [stdout] c92bc2485a2e9bfe78459528a79ddd7b10b13f4ea33f1ddbe1bd7ecbaaaee0de
