[INFO] fetching crate avr-boot 0.2.3...
[INFO] testing avr-boot-0.2.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate avr-boot 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate avr-boot 0.2.3 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 avr-boot 0.2.3
[INFO] finished tweaking crates.io crate avr-boot 0.2.3
[INFO] tweaked toml for crates.io crate avr-boot 0.2.3 written to /workspace/builds/worker-4-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 const_env_impl--value v0.1.2
[INFO] [stderr]   Downloaded const_env--value v0.1.2
[INFO] [stderr]   Downloaded xmltree v0.10.3
[INFO] [stderr]   Downloaded target-cpu-fetch v0.1.3
[INFO] [stderr]   Downloaded avr-mcu v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6dc4174bbf26a1f191a45a7b370cc735b34adb065a80f188ca3d25c3ac78a2ec
[INFO] running `Command { std: "docker" "start" "-a" "6dc4174bbf26a1f191a45a7b370cc735b34adb065a80f188ca3d25c3ac78a2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dc4174bbf26a1f191a45a7b370cc735b34adb065a80f188ca3d25c3ac78a2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc4174bbf26a1f191a45a7b370cc735b34adb065a80f188ca3d25c3ac78a2ec", kill_on_drop: false }`
[INFO] [stdout] 6dc4174bbf26a1f191a45a7b370cc735b34adb065a80f188ca3d25c3ac78a2ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e6cbeae1d799a0a580fca8c2566841c015fd451e0b98c1ed705c4fa77a92ce5e
[INFO] running `Command { std: "docker" "start" "-a" "e6cbeae1d799a0a580fca8c2566841c015fd451e0b98c1ed705c4fa77a92ce5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.3
[INFO] [stderr]    Compiling xmltree v0.10.3
[INFO] [stderr]    Compiling avr-mcu v0.3.5
[INFO] [stderr]    Compiling avr-boot v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling const_env_impl--value v0.1.2
[INFO] [stderr]    Compiling const_env--value v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | #![feature(asm_experimental_arch)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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(asm_const)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(asm_sym)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `asm_sym` has been stable since `1.66.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm_sym` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(asm_sym)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 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 `avr-boot` (lib) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e6cbeae1d799a0a580fca8c2566841c015fd451e0b98c1ed705c4fa77a92ce5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6cbeae1d799a0a580fca8c2566841c015fd451e0b98c1ed705c4fa77a92ce5e", kill_on_drop: false }`
[INFO] [stdout] e6cbeae1d799a0a580fca8c2566841c015fd451e0b98c1ed705c4fa77a92ce5e
[INFO] testing avr-boot-0.2.3 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate avr-boot 0.2.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate avr-boot 0.2.3 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 avr-boot 0.2.3
[INFO] finished tweaking crates.io crate avr-boot 0.2.3
[INFO] tweaked toml for crates.io crate avr-boot 0.2.3 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ff7ec41903dd0d9a255ee415ec99284c8d6f07d28fa5be6fec7b671413a4dc48
[INFO] running `Command { std: "docker" "start" "-a" "ff7ec41903dd0d9a255ee415ec99284c8d6f07d28fa5be6fec7b671413a4dc48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff7ec41903dd0d9a255ee415ec99284c8d6f07d28fa5be6fec7b671413a4dc48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7ec41903dd0d9a255ee415ec99284c8d6f07d28fa5be6fec7b671413a4dc48", kill_on_drop: false }`
[INFO] [stdout] ff7ec41903dd0d9a255ee415ec99284c8d6f07d28fa5be6fec7b671413a4dc48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3fbea98661d309992668deabe487fe9a0161c973a11ae12b4583334cbbec6931
[INFO] running `Command { std: "docker" "start" "-a" "3fbea98661d309992668deabe487fe9a0161c973a11ae12b4583334cbbec6931", kill_on_drop: false }`
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.3
[INFO] [stderr]    Compiling xmltree v0.10.3
[INFO] [stderr]    Compiling avr-mcu v0.3.5
[INFO] [stderr]    Compiling avr-boot v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling const_env_impl--value v0.1.2
[INFO] [stderr]    Compiling const_env--value v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | #![feature(asm_experimental_arch)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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(asm_const)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(asm_sym)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `asm_sym` has been stable since `1.66.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm_sym` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(asm_sym)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 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 `avr-boot` (lib) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3fbea98661d309992668deabe487fe9a0161c973a11ae12b4583334cbbec6931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbea98661d309992668deabe487fe9a0161c973a11ae12b4583334cbbec6931", kill_on_drop: false }`
[INFO] [stdout] 3fbea98661d309992668deabe487fe9a0161c973a11ae12b4583334cbbec6931
