[INFO] fetching crate d3ne 0.7.0...
[INFO] testing d3ne-0.7.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate d3ne 0.7.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate d3ne 0.7.0 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 d3ne 0.7.0
[INFO] finished tweaking crates.io crate d3ne 0.7.0
[INFO] tweaked toml for crates.io crate d3ne 0.7.0 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] 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] e86606770f522166e51bebb2c70419faed34850268b59e9dadf6ee58c3b91496
[INFO] running `Command { std: "docker" "start" "-a" "e86606770f522166e51bebb2c70419faed34850268b59e9dadf6ee58c3b91496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e86606770f522166e51bebb2c70419faed34850268b59e9dadf6ee58c3b91496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86606770f522166e51bebb2c70419faed34850268b59e9dadf6ee58c3b91496", kill_on_drop: false }`
[INFO] [stdout] e86606770f522166e51bebb2c70419faed34850268b59e9dadf6ee58c3b91496
[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] 5465b5067077355b306431eba211961a045992fb13dce157b2e856c6d8f96389
[INFO] running `Command { std: "docker" "start" "-a" "5465b5067077355b306431eba211961a045992fb13dce157b2e856c6d8f96389", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling d3ne v0.7.0 (/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(unboxed_closures)]
[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 `d3ne` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5465b5067077355b306431eba211961a045992fb13dce157b2e856c6d8f96389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5465b5067077355b306431eba211961a045992fb13dce157b2e856c6d8f96389", kill_on_drop: false }`
[INFO] [stdout] 5465b5067077355b306431eba211961a045992fb13dce157b2e856c6d8f96389
[INFO] testing d3ne-0.7.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate d3ne 0.7.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate d3ne 0.7.0 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 d3ne 0.7.0
[INFO] finished tweaking crates.io crate d3ne 0.7.0
[INFO] tweaked toml for crates.io crate d3ne 0.7.0 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] 31e31f7bc8b5e9f411d6f2c32cf8ebf93865ea15c89f9e1ffc7246521fc537f7
[INFO] running `Command { std: "docker" "start" "-a" "31e31f7bc8b5e9f411d6f2c32cf8ebf93865ea15c89f9e1ffc7246521fc537f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e31f7bc8b5e9f411d6f2c32cf8ebf93865ea15c89f9e1ffc7246521fc537f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e31f7bc8b5e9f411d6f2c32cf8ebf93865ea15c89f9e1ffc7246521fc537f7", kill_on_drop: false }`
[INFO] [stdout] 31e31f7bc8b5e9f411d6f2c32cf8ebf93865ea15c89f9e1ffc7246521fc537f7
[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] b59b7b1525aad99eb283e86e37beb3b1b68d83c4d93a2894dc3fe432c1b19c5f
[INFO] running `Command { std: "docker" "start" "-a" "b59b7b1525aad99eb283e86e37beb3b1b68d83c4d93a2894dc3fe432c1b19c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling d3ne v0.7.0 (/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(unboxed_closures)]
[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 `d3ne` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b59b7b1525aad99eb283e86e37beb3b1b68d83c4d93a2894dc3fe432c1b19c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59b7b1525aad99eb283e86e37beb3b1b68d83c4d93a2894dc3fe432c1b19c5f", kill_on_drop: false }`
[INFO] [stdout] b59b7b1525aad99eb283e86e37beb3b1b68d83c4d93a2894dc3fe432c1b19c5f
