[INFO] fetching crate arithmetic-coding 0.3.1...
[INFO] testing arithmetic-coding-0.3.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate arithmetic-coding 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate arithmetic-coding 0.3.1 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 arithmetic-coding 0.3.1
[INFO] finished tweaking crates.io crate arithmetic-coding 0.3.1
[INFO] tweaked toml for crates.io crate arithmetic-coding 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate arithmetic-coding 0.3.1 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.79
[INFO] [stderr]   Downloaded test-case v2.2.1
[INFO] [stderr]   Downloaded arithmetic-coding-core v0.3.0
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.79
[INFO] [stderr]   Downloaded test-case-macros v2.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.8
[INFO] [stderr]   Downloaded itertools v0.10.3
[INFO] [stderr]   Downloaded web-sys v0.3.56
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.79
[INFO] [stderr]   Downloaded serde_json v1.0.79
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded js-sys v0.3.56
[INFO] [stderr]   Downloaded bumpalo v3.9.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.4
[INFO] [stderr]   Downloaded bitstream-io v1.3.0
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded semver v1.0.7
[INFO] [stderr]   Downloaded memoffset v0.6.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.8
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.79
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8337323d4813d9ec5395ca19f89ebd1a709722e1684b8c5fa72b0d6c88d01cad
[INFO] running `Command { std: "docker" "start" "-a" "8337323d4813d9ec5395ca19f89ebd1a709722e1684b8c5fa72b0d6c88d01cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8337323d4813d9ec5395ca19f89ebd1a709722e1684b8c5fa72b0d6c88d01cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8337323d4813d9ec5395ca19f89ebd1a709722e1684b8c5fa72b0d6c88d01cad", kill_on_drop: false }`
[INFO] [stdout] 8337323d4813d9ec5395ca19f89ebd1a709722e1684b8c5fa72b0d6c88d01cad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2001b93d97f18aa90cf5f534ea25079b6f6404ad4ca5312fa234c28327cf8aa1
[INFO] running `Command { std: "docker" "start" "-a" "2001b93d97f18aa90cf5f534ea25079b6f6404ad4ca5312fa234c28327cf8aa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling bitstream-io v1.3.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling arithmetic-coding-core v0.3.0
[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-6f17d22bba15001f/arithmetic-coding-core-0.3.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(int_log)]
[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-6f17d22bba15001f/arithmetic-coding-core-0.3.0/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(associated_type_defaults)]
[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-6f17d22bba15001f/arithmetic-coding-core-0.3.0/src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(int_log)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arithmetic-coding-core` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "2001b93d97f18aa90cf5f534ea25079b6f6404ad4ca5312fa234c28327cf8aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2001b93d97f18aa90cf5f534ea25079b6f6404ad4ca5312fa234c28327cf8aa1", kill_on_drop: false }`
[INFO] [stdout] 2001b93d97f18aa90cf5f534ea25079b6f6404ad4ca5312fa234c28327cf8aa1
[INFO] testing arithmetic-coding-0.3.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate arithmetic-coding 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate arithmetic-coding 0.3.1 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 arithmetic-coding 0.3.1
[INFO] finished tweaking crates.io crate arithmetic-coding 0.3.1
[INFO] tweaked toml for crates.io crate arithmetic-coding 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate arithmetic-coding 0.3.1 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" "+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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 757f7f09867933010bb137b89a1c2c481d134c21e28e80bf818d57f5bae7ba9d
[INFO] running `Command { std: "docker" "start" "-a" "757f7f09867933010bb137b89a1c2c481d134c21e28e80bf818d57f5bae7ba9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757f7f09867933010bb137b89a1c2c481d134c21e28e80bf818d57f5bae7ba9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757f7f09867933010bb137b89a1c2c481d134c21e28e80bf818d57f5bae7ba9d", kill_on_drop: false }`
[INFO] [stdout] 757f7f09867933010bb137b89a1c2c481d134c21e28e80bf818d57f5bae7ba9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c9dbf253a6beca6d6433a79deb33b4a58e673b8d9df2b0863d93263c92930975
[INFO] running `Command { std: "docker" "start" "-a" "c9dbf253a6beca6d6433a79deb33b4a58e673b8d9df2b0863d93263c92930975", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling bitstream-io v1.3.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling arithmetic-coding-core v0.3.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/arithmetic-coding-core-0.3.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(int_log)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/arithmetic-coding-core-0.3.0/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(associated_type_defaults)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/arithmetic-coding-core-0.3.0/src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(int_log)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arithmetic-coding-core` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c9dbf253a6beca6d6433a79deb33b4a58e673b8d9df2b0863d93263c92930975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9dbf253a6beca6d6433a79deb33b4a58e673b8d9df2b0863d93263c92930975", kill_on_drop: false }`
[INFO] [stdout] c9dbf253a6beca6d6433a79deb33b4a58e673b8d9df2b0863d93263c92930975
