[INFO] fetching crate vgabuf_err 0.1.0...
[INFO] testing vgabuf_err-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate vgabuf_err 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate vgabuf_err 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 vgabuf_err 0.1.0
[INFO] finished tweaking crates.io crate vgabuf_err 0.1.0
[INFO] tweaked toml for crates.io crate vgabuf_err 0.1.0 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" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c372cb201db962cc79f770975f22926e6e3f746428c7a3b56c1634085cfe5514
[INFO] running `Command { std: "docker" "start" "-a" "c372cb201db962cc79f770975f22926e6e3f746428c7a3b56c1634085cfe5514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c372cb201db962cc79f770975f22926e6e3f746428c7a3b56c1634085cfe5514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c372cb201db962cc79f770975f22926e6e3f746428c7a3b56c1634085cfe5514", kill_on_drop: false }`
[INFO] [stdout] c372cb201db962cc79f770975f22926e6e3f746428c7a3b56c1634085cfe5514
[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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d7992dfc4eba4c711c8894264742fae483d64029bdd313b8e967df652e5401b
[INFO] running `Command { std: "docker" "start" "-a" "6d7992dfc4eba4c711c8894264742fae483d64029bdd313b8e967df652e5401b", kill_on_drop: false }`
[INFO] [stderr]    Compiling vgabuf_err 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[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 `vgabuf_err` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6d7992dfc4eba4c711c8894264742fae483d64029bdd313b8e967df652e5401b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7992dfc4eba4c711c8894264742fae483d64029bdd313b8e967df652e5401b", kill_on_drop: false }`
[INFO] [stdout] 6d7992dfc4eba4c711c8894264742fae483d64029bdd313b8e967df652e5401b
[INFO] testing vgabuf_err-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate vgabuf_err 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate vgabuf_err 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 vgabuf_err 0.1.0
[INFO] finished tweaking crates.io crate vgabuf_err 0.1.0
[INFO] tweaked toml for crates.io crate vgabuf_err 0.1.0 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-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffea11ba35b050db5ff2c8bbc79fb13aecd53bc2a87df039eb67d75f09602a31
[INFO] running `Command { std: "docker" "start" "-a" "ffea11ba35b050db5ff2c8bbc79fb13aecd53bc2a87df039eb67d75f09602a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffea11ba35b050db5ff2c8bbc79fb13aecd53bc2a87df039eb67d75f09602a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffea11ba35b050db5ff2c8bbc79fb13aecd53bc2a87df039eb67d75f09602a31", kill_on_drop: false }`
[INFO] [stdout] ffea11ba35b050db5ff2c8bbc79fb13aecd53bc2a87df039eb67d75f09602a31
[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-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9835e952a360d805b81bfd5a663511e121855f556fc8a71261f33a1dc2e184d
[INFO] running `Command { std: "docker" "start" "-a" "a9835e952a360d805b81bfd5a663511e121855f556fc8a71261f33a1dc2e184d", kill_on_drop: false }`
[INFO] [stderr]    Compiling vgabuf_err 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[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 `vgabuf_err` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a9835e952a360d805b81bfd5a663511e121855f556fc8a71261f33a1dc2e184d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9835e952a360d805b81bfd5a663511e121855f556fc8a71261f33a1dc2e184d", kill_on_drop: false }`
[INFO] [stdout] a9835e952a360d805b81bfd5a663511e121855f556fc8a71261f33a1dc2e184d
