[INFO] fetching crate type_reflect_macros 0.1.3...
[INFO] testing type_reflect_macros-0.1.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate type_reflect_macros 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate type_reflect_macros 0.1.3 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 type_reflect_macros 0.1.3
[INFO] finished tweaking crates.io crate type_reflect_macros 0.1.3
[INFO] tweaked toml for crates.io crate type_reflect_macros 0.1.3 written to /workspace/builds/worker-6-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded type_reflect_core v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5cfb6a89a18c5b71b9de9be0ee4431270f56f56d831040d83156c4205b60225f
[INFO] running `Command { std: "docker" "start" "-a" "5cfb6a89a18c5b71b9de9be0ee4431270f56f56d831040d83156c4205b60225f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cfb6a89a18c5b71b9de9be0ee4431270f56f56d831040d83156c4205b60225f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfb6a89a18c5b71b9de9be0ee4431270f56f56d831040d83156c4205b60225f", kill_on_drop: false }`
[INFO] [stdout] 5cfb6a89a18c5b71b9de9be0ee4431270f56f56d831040d83156c4205b60225f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d2aa68db86d4f89fb59bb7bab976b5b4fab57640dfb44eb0f6172b3203d7eb7a
[INFO] running `Command { std: "docker" "start" "-a" "d2aa68db86d4f89fb59bb7bab976b5b4fab57640dfb44eb0f6172b3203d7eb7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling type_reflect_core v0.1.3
[INFO] [stderr]    Compiling type_reflect_macros v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn_type_utils::*`
[INFO] [stdout]   --> src/type_def/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use syn_type_utils::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `type_reflect_macros` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d2aa68db86d4f89fb59bb7bab976b5b4fab57640dfb44eb0f6172b3203d7eb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2aa68db86d4f89fb59bb7bab976b5b4fab57640dfb44eb0f6172b3203d7eb7a", kill_on_drop: false }`
[INFO] [stdout] d2aa68db86d4f89fb59bb7bab976b5b4fab57640dfb44eb0f6172b3203d7eb7a
[INFO] testing type_reflect_macros-0.1.3 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate type_reflect_macros 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate type_reflect_macros 0.1.3 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 type_reflect_macros 0.1.3
[INFO] finished tweaking crates.io crate type_reflect_macros 0.1.3
[INFO] tweaked toml for crates.io crate type_reflect_macros 0.1.3 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 63dd15a7f0c42d052cad1dfb970e65d53de0cead809099004b4f900c6794fa5d
[INFO] running `Command { std: "docker" "start" "-a" "63dd15a7f0c42d052cad1dfb970e65d53de0cead809099004b4f900c6794fa5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63dd15a7f0c42d052cad1dfb970e65d53de0cead809099004b4f900c6794fa5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63dd15a7f0c42d052cad1dfb970e65d53de0cead809099004b4f900c6794fa5d", kill_on_drop: false }`
[INFO] [stdout] 63dd15a7f0c42d052cad1dfb970e65d53de0cead809099004b4f900c6794fa5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7f7d65f6070b48d9b3b5784a0622742469e3478763683dbff91ec168e4752e27
[INFO] running `Command { std: "docker" "start" "-a" "7f7d65f6070b48d9b3b5784a0622742469e3478763683dbff91ec168e4752e27", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling type_reflect_core v0.1.3
[INFO] [stderr]    Compiling type_reflect_macros v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn_type_utils::*`
[INFO] [stdout]   --> src/type_def/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use syn_type_utils::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `type_reflect_macros` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7f7d65f6070b48d9b3b5784a0622742469e3478763683dbff91ec168e4752e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7d65f6070b48d9b3b5784a0622742469e3478763683dbff91ec168e4752e27", kill_on_drop: false }`
[INFO] [stdout] 7f7d65f6070b48d9b3b5784a0622742469e3478763683dbff91ec168e4752e27
