[INFO] fetching crate nag-toolkit 0.1.0...
[INFO] testing nag-toolkit-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate nag-toolkit 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate nag-toolkit 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 nag-toolkit 0.1.0
[INFO] finished tweaking crates.io crate nag-toolkit 0.1.0
[INFO] tweaked toml for crates.io crate nag-toolkit 0.1.0 written to /workspace/builds/worker-1-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] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 82cb4ef4bd864da3e24f65a802fc5577293e9dfeb9ca1f028876f44c0b60798a
[INFO] running `Command { std: "docker" "start" "-a" "82cb4ef4bd864da3e24f65a802fc5577293e9dfeb9ca1f028876f44c0b60798a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82cb4ef4bd864da3e24f65a802fc5577293e9dfeb9ca1f028876f44c0b60798a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82cb4ef4bd864da3e24f65a802fc5577293e9dfeb9ca1f028876f44c0b60798a", kill_on_drop: false }`
[INFO] [stdout] 82cb4ef4bd864da3e24f65a802fc5577293e9dfeb9ca1f028876f44c0b60798a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a70caa9575a574efcaecb196681bb0ef4003736c2a6d54e0f933ef7c11cf4f6e
[INFO] running `Command { std: "docker" "start" "-a" "a70caa9575a574efcaecb196681bb0ef4003736c2a6d54e0f933ef7c11cf4f6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling nag-toolkit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_middle`
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern crate rustc_middle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | #![feature(rustc_private)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nag-toolkit` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a70caa9575a574efcaecb196681bb0ef4003736c2a6d54e0f933ef7c11cf4f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70caa9575a574efcaecb196681bb0ef4003736c2a6d54e0f933ef7c11cf4f6e", kill_on_drop: false }`
[INFO] [stdout] a70caa9575a574efcaecb196681bb0ef4003736c2a6d54e0f933ef7c11cf4f6e
[INFO] testing nag-toolkit-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate nag-toolkit 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate nag-toolkit 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 nag-toolkit 0.1.0
[INFO] finished tweaking crates.io crate nag-toolkit 0.1.0
[INFO] tweaked toml for crates.io crate nag-toolkit 0.1.0 written to /workspace/builds/worker-1-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] [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-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 999a0ea484da98eb7e8ce58d81b19780ceca822ce1dc88b051b69e765bc56b3b
[INFO] running `Command { std: "docker" "start" "-a" "999a0ea484da98eb7e8ce58d81b19780ceca822ce1dc88b051b69e765bc56b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "999a0ea484da98eb7e8ce58d81b19780ceca822ce1dc88b051b69e765bc56b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999a0ea484da98eb7e8ce58d81b19780ceca822ce1dc88b051b69e765bc56b3b", kill_on_drop: false }`
[INFO] [stdout] 999a0ea484da98eb7e8ce58d81b19780ceca822ce1dc88b051b69e765bc56b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] acbb338ec75830cd7d13df2c8ac8bc3dab4a89a536d287f243fce2884ebcf542
[INFO] running `Command { std: "docker" "start" "-a" "acbb338ec75830cd7d13df2c8ac8bc3dab4a89a536d287f243fce2884ebcf542", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling nag-toolkit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_middle`
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern crate rustc_middle;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | #![feature(rustc_private)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nag-toolkit` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "acbb338ec75830cd7d13df2c8ac8bc3dab4a89a536d287f243fce2884ebcf542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbb338ec75830cd7d13df2c8ac8bc3dab4a89a536d287f243fce2884ebcf542", kill_on_drop: false }`
[INFO] [stdout] acbb338ec75830cd7d13df2c8ac8bc3dab4a89a536d287f243fce2884ebcf542
