[INFO] cloning repository https://github.com/j-selby/oxidgb-pico
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-selby/oxidgb-pico" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-selby%2Foxidgb-pico", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-selby%2Foxidgb-pico'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea9e7f23e80c581a4a4759ff512498f2d98919ce
[INFO] testing j-selby/oxidgb-pico against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-selby%2Foxidgb-pico" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j-selby/oxidgb-pico on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-16/source/.cargo/config
[INFO] started tweaking git repo https://github.com/j-selby/oxidgb-pico
[INFO] finished tweaking git repo https://github.com/j-selby/oxidgb-pico
[INFO] tweaked toml for git repo https://github.com/j-selby/oxidgb-pico written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/j-selby/oxidgb-pico already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/j-selby/oxidgb`
[INFO] [stderr]     Updating git repository `https://github.com/rp-rs/rp2040-pac`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc-any v2.3.5
[INFO] [stderr]   Downloaded rp-hal v0.0.2
[INFO] [stderr]   Downloaded alloc-cortex-m v0.4.1
[INFO] [stderr]   Downloaded linked_list_allocator v0.8.11
[INFO] [stderr]   Downloaded debug-helper v0.3.10
[INFO] [stderr]   Downloaded profont v0.4.0
[INFO] [stderr]   Downloaded rp2040-boot2 v0.1.2
[INFO] [stderr]   Downloaded rp2040-panic-usb-boot v0.1.2
[INFO] [stderr]   Downloaded bare-io v0.2.1
[INFO] [stderr]   Downloaded rp2040 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed427e2f4bb28d15f1eea0cb7d582e6858978f912158e10a3c4fb43d68a8d133
[INFO] running `Command { std: "docker" "start" "-a" "ed427e2f4bb28d15f1eea0cb7d582e6858978f912158e10a3c4fb43d68a8d133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed427e2f4bb28d15f1eea0cb7d582e6858978f912158e10a3c4fb43d68a8d133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed427e2f4bb28d15f1eea0cb7d582e6858978f912158e10a3c4fb43d68a8d133", kill_on_drop: false }`
[INFO] [stdout] ed427e2f4bb28d15f1eea0cb7d582e6858978f912158e10a3c4fb43d68a8d133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f44937862ced9e256b2500866c7e23cb523e29e4a17389fbbfb17b8a392517c7
[INFO] running `Command { std: "docker" "start" "-a" "f44937862ced9e256b2500866c7e23cb523e29e4a17389fbbfb17b8a392517c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rp2040 v0.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling debug-helper v0.3.10
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling rp2040-pac v0.1.1 (https://github.com/rp-rs/rp2040-pac?branch=main#f4339cb8)
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling oxidgb-pico v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling linked_list_allocator v0.8.11
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling oxidgb_core v0.2.0 (https://github.com/j-selby/oxidgb?rev=caac6cc85e21635f2ba29ac3572871602ba3f371#caac6cc8)
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling crc-any v2.3.5
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/oxidgb-4774e00a380ecdb0/caac6cc/core/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.8.11/src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "const_mut_refs", feature(const_mut_refs))]
[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]    Compiling volatile-register v0.2.0
[INFO] [stderr] error: could not compile `linked_list_allocator` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "f44937862ced9e256b2500866c7e23cb523e29e4a17389fbbfb17b8a392517c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44937862ced9e256b2500866c7e23cb523e29e4a17389fbbfb17b8a392517c7", kill_on_drop: false }`
[INFO] [stdout] f44937862ced9e256b2500866c7e23cb523e29e4a17389fbbfb17b8a392517c7