[INFO] fetching crate bl602-sdk 0.0.6...
[INFO] testing bl602-sdk-0.0.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bl602-sdk 0.0.6 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate bl602-sdk 0.0.6 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] started tweaking crates.io crate bl602-sdk 0.0.6
[INFO] finished tweaking crates.io crate bl602-sdk 0.0.6
[INFO] tweaked toml for crates.io crate bl602-sdk 0.0.6 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded bl602-macros v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 5f4eec2c0dbfb0b9e789fd97f244761fcc71789af3113d76a3f0f48c3f7ebdd6
[INFO] running `Command { std: "docker" "start" "-a" "5f4eec2c0dbfb0b9e789fd97f244761fcc71789af3113d76a3f0f48c3f7ebdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4eec2c0dbfb0b9e789fd97f244761fcc71789af3113d76a3f0f48c3f7ebdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4eec2c0dbfb0b9e789fd97f244761fcc71789af3113d76a3f0f48c3f7ebdd6", kill_on_drop: false }`
[INFO] [stdout] 5f4eec2c0dbfb0b9e789fd97f244761fcc71789af3113d76a3f0f48c3f7ebdd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 861a63e6fc54fde135a0e4e275b963a0223930c5b9d4ad377434ff49e09a7738
[INFO] running `Command { std: "docker" "start" "-a" "861a63e6fc54fde135a0e4e275b963a0223930c5b9d4ad377434ff49e09a7738", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling cstr_core v0.2.5
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling bl602-macros v0.0.2
[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/bl602-macros-0.0.2/src/lib.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(proc_macro_span)]  //  Allow use of spans in Procedural Macros
[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 `bl602-macros` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "861a63e6fc54fde135a0e4e275b963a0223930c5b9d4ad377434ff49e09a7738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861a63e6fc54fde135a0e4e275b963a0223930c5b9d4ad377434ff49e09a7738", kill_on_drop: false }`
[INFO] [stdout] 861a63e6fc54fde135a0e4e275b963a0223930c5b9d4ad377434ff49e09a7738