[INFO] fetching crate bl602-sdk 0.0.6...
[INFO] checking bl602-sdk-0.0.6 against 1.95.0 for pr-155915
[INFO] extracting crate bl602-sdk 0.0.6 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bl602-sdk 0.0.6 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.9.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cstr_core v0.2.6
[INFO] [stderr]   Downloaded bl602-macros v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8e663c985319e72b797c939f7091a2e66531f71d52aa7d6e30e914faede445d
[INFO] running `Command { std: "docker" "start" "-a" "e8e663c985319e72b797c939f7091a2e66531f71d52aa7d6e30e914faede445d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8e663c985319e72b797c939f7091a2e66531f71d52aa7d6e30e914faede445d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e663c985319e72b797c939f7091a2e66531f71d52aa7d6e30e914faede445d", kill_on_drop: false }`
[INFO] [stdout] e8e663c985319e72b797c939f7091a2e66531f71d52aa7d6e30e914faede445d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] decba30d141d7366f01c0b1846ec55ee4936bc29ae348c3b7f1710f71220c6e9
[INFO] running `Command { std: "docker" "start" "-a" "decba30d141d7366f01c0b1846ec55ee4936bc29ae348c3b7f1710f71220c6e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cstr_core v0.2.6
[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/index.crates.io-1949cf8c6b5b557f/bl602-macros-0.0.2/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(proc_macro_span)]  //  Allow use of spans in Procedural Macros
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "decba30d141d7366f01c0b1846ec55ee4936bc29ae348c3b7f1710f71220c6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "decba30d141d7366f01c0b1846ec55ee4936bc29ae348c3b7f1710f71220c6e9", kill_on_drop: false }`
[INFO] [stdout] decba30d141d7366f01c0b1846ec55ee4936bc29ae348c3b7f1710f71220c6e9
