[INFO] fetching crate unroll-fn 0.1.1...
[INFO] testing unroll-fn-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate unroll-fn 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate unroll-fn 0.1.1 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 unroll-fn 0.1.1
[INFO] finished tweaking crates.io crate unroll-fn 0.1.1
[INFO] tweaked toml for crates.io crate unroll-fn 0.1.1 written to /workspace/builds/worker-2-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] 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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 700e0c2a2a9518ebd302b70c2357be6eac679b706318a7d0f2eafd8777f14401
[INFO] running `Command { std: "docker" "start" "-a" "700e0c2a2a9518ebd302b70c2357be6eac679b706318a7d0f2eafd8777f14401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "700e0c2a2a9518ebd302b70c2357be6eac679b706318a7d0f2eafd8777f14401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700e0c2a2a9518ebd302b70c2357be6eac679b706318a7d0f2eafd8777f14401", kill_on_drop: false }`
[INFO] [stdout] 700e0c2a2a9518ebd302b70c2357be6eac679b706318a7d0f2eafd8777f14401
[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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ea1652bd528739e2c7b78388146fb4093cdf94d38174613a615fefcc9addc08
[INFO] running `Command { std: "docker" "start" "-a" "1ea1652bd528739e2c7b78388146fb4093cdf94d38174613a615fefcc9addc08", kill_on_drop: false }`
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling unroll-fn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[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 `unroll-fn` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1ea1652bd528739e2c7b78388146fb4093cdf94d38174613a615fefcc9addc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea1652bd528739e2c7b78388146fb4093cdf94d38174613a615fefcc9addc08", kill_on_drop: false }`
[INFO] [stdout] 1ea1652bd528739e2c7b78388146fb4093cdf94d38174613a615fefcc9addc08
[INFO] testing unroll-fn-0.1.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate unroll-fn 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate unroll-fn 0.1.1 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 unroll-fn 0.1.1
[INFO] finished tweaking crates.io crate unroll-fn 0.1.1
[INFO] tweaked toml for crates.io crate unroll-fn 0.1.1 written to /workspace/builds/worker-2-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-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e4fc3779a4e14c981337c7806582329a6f0e5afa1d754e8d3ecbc9d0ef05c45
[INFO] running `Command { std: "docker" "start" "-a" "0e4fc3779a4e14c981337c7806582329a6f0e5afa1d754e8d3ecbc9d0ef05c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e4fc3779a4e14c981337c7806582329a6f0e5afa1d754e8d3ecbc9d0ef05c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4fc3779a4e14c981337c7806582329a6f0e5afa1d754e8d3ecbc9d0ef05c45", kill_on_drop: false }`
[INFO] [stdout] 0e4fc3779a4e14c981337c7806582329a6f0e5afa1d754e8d3ecbc9d0ef05c45
[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-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9164b496664a575dbf4ec187320d3ca45ec2e904935e844f932d03d8dd932eef
[INFO] running `Command { std: "docker" "start" "-a" "9164b496664a575dbf4ec187320d3ca45ec2e904935e844f932d03d8dd932eef", kill_on_drop: false }`
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling unroll-fn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[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 `unroll-fn` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9164b496664a575dbf4ec187320d3ca45ec2e904935e844f932d03d8dd932eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9164b496664a575dbf4ec187320d3ca45ec2e904935e844f932d03d8dd932eef", kill_on_drop: false }`
[INFO] [stdout] 9164b496664a575dbf4ec187320d3ca45ec2e904935e844f932d03d8dd932eef
