[INFO] fetching crate n85 0.1.0...
[INFO] testing n85-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate n85 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate n85 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n85 0.1.0
[INFO] finished tweaking crates.io crate n85 0.1.0
[INFO] tweaked toml for crates.io crate n85 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate n85 0.1.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9437924e46f2a91ab913402b8468b77b5d7775ffbd2aaffedbe3bb9f9e08d610
[INFO] running `Command { std: "docker" "start" "-a" "9437924e46f2a91ab913402b8468b77b5d7775ffbd2aaffedbe3bb9f9e08d610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9437924e46f2a91ab913402b8468b77b5d7775ffbd2aaffedbe3bb9f9e08d610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9437924e46f2a91ab913402b8468b77b5d7775ffbd2aaffedbe3bb9f9e08d610", kill_on_drop: false }`
[INFO] [stdout] 9437924e46f2a91ab913402b8468b77b5d7775ffbd2aaffedbe3bb9f9e08d610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11dd3849f973b6bcd6a6cd1f58f99d5b750848aed428887ccc262ec309f5d483
[INFO] running `Command { std: "docker" "start" "-a" "11dd3849f973b6bcd6a6cd1f58f99d5b750848aed428887ccc262ec309f5d483", kill_on_drop: false }`
[INFO] [stderr]    Compiling n85 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_as_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `n85` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "11dd3849f973b6bcd6a6cd1f58f99d5b750848aed428887ccc262ec309f5d483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dd3849f973b6bcd6a6cd1f58f99d5b750848aed428887ccc262ec309f5d483", kill_on_drop: false }`
[INFO] [stdout] 11dd3849f973b6bcd6a6cd1f58f99d5b750848aed428887ccc262ec309f5d483
[INFO] testing n85-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate n85 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate n85 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n85 0.1.0
[INFO] finished tweaking crates.io crate n85 0.1.0
[INFO] tweaked toml for crates.io crate n85 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate n85 0.1.0 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fa4bc5219a8d6daed33a467f5d8c4f02dc976152de7798f0ae75f81ff9ce9fb
[INFO] running `Command { std: "docker" "start" "-a" "6fa4bc5219a8d6daed33a467f5d8c4f02dc976152de7798f0ae75f81ff9ce9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fa4bc5219a8d6daed33a467f5d8c4f02dc976152de7798f0ae75f81ff9ce9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa4bc5219a8d6daed33a467f5d8c4f02dc976152de7798f0ae75f81ff9ce9fb", kill_on_drop: false }`
[INFO] [stdout] 6fa4bc5219a8d6daed33a467f5d8c4f02dc976152de7798f0ae75f81ff9ce9fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3206747fc07d3035e789a2bd64f29325be80b0bc74e53ed7dc7d377bc11ea4a
[INFO] running `Command { std: "docker" "start" "-a" "e3206747fc07d3035e789a2bd64f29325be80b0bc74e53ed7dc7d377bc11ea4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling n85 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_as_chunks)]
[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 `n85` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e3206747fc07d3035e789a2bd64f29325be80b0bc74e53ed7dc7d377bc11ea4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3206747fc07d3035e789a2bd64f29325be80b0bc74e53ed7dc7d377bc11ea4a", kill_on_drop: false }`
[INFO] [stdout] e3206747fc07d3035e789a2bd64f29325be80b0bc74e53ed7dc7d377bc11ea4a
