[INFO] fetching crate unbounded-spsc 0.1.9...
[INFO] testing unbounded-spsc-0.1.9 against 1.76.0 for beta-1.77-1
[INFO] extracting crate unbounded-spsc 0.1.9 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate unbounded-spsc 0.1.9 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 unbounded-spsc 0.1.9
[INFO] finished tweaking crates.io crate unbounded-spsc 0.1.9
[INFO] tweaked toml for crates.io crate unbounded-spsc 0.1.9 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate unbounded-spsc 0.1.9 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 bounded-spsc-queue v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 61d607e69d7aac357b032a40bc4ec2858ebde57fc345a86513d6326b79bb9c57
[INFO] running `Command { std: "docker" "start" "-a" "61d607e69d7aac357b032a40bc4ec2858ebde57fc345a86513d6326b79bb9c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d607e69d7aac357b032a40bc4ec2858ebde57fc345a86513d6326b79bb9c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d607e69d7aac357b032a40bc4ec2858ebde57fc345a86513d6326b79bb9c57", kill_on_drop: false }`
[INFO] [stdout] 61d607e69d7aac357b032a40bc4ec2858ebde57fc345a86513d6326b79bb9c57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 793bdc90b149a2b7d2bbf15cab373fb01623462daba9a09779aa396fbf78ebc5
[INFO] running `Command { std: "docker" "start" "-a" "793bdc90b149a2b7d2bbf15cab373fb01623462daba9a09779aa396fbf78ebc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bounded-spsc-queue v0.4.0
[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/bounded-spsc-queue-0.4.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[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 `bounded-spsc-queue` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "793bdc90b149a2b7d2bbf15cab373fb01623462daba9a09779aa396fbf78ebc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793bdc90b149a2b7d2bbf15cab373fb01623462daba9a09779aa396fbf78ebc5", kill_on_drop: false }`
[INFO] [stdout] 793bdc90b149a2b7d2bbf15cab373fb01623462daba9a09779aa396fbf78ebc5
[INFO] testing unbounded-spsc-0.1.9 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate unbounded-spsc 0.1.9 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate unbounded-spsc 0.1.9 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 unbounded-spsc 0.1.9
[INFO] finished tweaking crates.io crate unbounded-spsc 0.1.9
[INFO] tweaked toml for crates.io crate unbounded-spsc 0.1.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate unbounded-spsc 0.1.9 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 05452251e04735afb91eb584c7a49e952137f33e4647c15433b238caa0e5b23d
[INFO] running `Command { std: "docker" "start" "-a" "05452251e04735afb91eb584c7a49e952137f33e4647c15433b238caa0e5b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05452251e04735afb91eb584c7a49e952137f33e4647c15433b238caa0e5b23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05452251e04735afb91eb584c7a49e952137f33e4647c15433b238caa0e5b23d", kill_on_drop: false }`
[INFO] [stdout] 05452251e04735afb91eb584c7a49e952137f33e4647c15433b238caa0e5b23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c8695a8f1bfe67c8b8c5abc72fdf896b8cbca712a9120323ce2c290f1c0d5a06
[INFO] running `Command { std: "docker" "start" "-a" "c8695a8f1bfe67c8b8c5abc72fdf896b8cbca712a9120323ce2c290f1c0d5a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling bounded-spsc-queue v0.4.0
[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/bounded-spsc-queue-0.4.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[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 `bounded-spsc-queue` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c8695a8f1bfe67c8b8c5abc72fdf896b8cbca712a9120323ce2c290f1c0d5a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8695a8f1bfe67c8b8c5abc72fdf896b8cbca712a9120323ce2c290f1c0d5a06", kill_on_drop: false }`
[INFO] [stdout] c8695a8f1bfe67c8b8c5abc72fdf896b8cbca712a9120323ce2c290f1c0d5a06
