[INFO] cloning repository https://github.com/9names/bl808-blinky
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/9names/bl808-blinky" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9names%2Fbl808-blinky", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9names%2Fbl808-blinky'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0952554cb700b40260d5549e85def30f605e0abf
[INFO] checking 9names/bl808-blinky against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9names%2Fbl808-blinky" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/9names/bl808-blinky
[INFO] finished tweaking git repo https://github.com/9names/bl808-blinky
[INFO] tweaked toml for git repo https://github.com/9names/bl808-blinky written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/9names/bl808-blinky on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/9names/bl808-blinky already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cb9b97affadd185a64a76103dd3f51e4a970fd7e7068bd2fa66cc2e1317f55f
[INFO] running `Command { std: "docker" "start" "-a" "3cb9b97affadd185a64a76103dd3f51e4a970fd7e7068bd2fa66cc2e1317f55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cb9b97affadd185a64a76103dd3f51e4a970fd7e7068bd2fa66cc2e1317f55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb9b97affadd185a64a76103dd3f51e4a970fd7e7068bd2fa66cc2e1317f55f", kill_on_drop: false }`
[INFO] [stdout] 3cb9b97affadd185a64a76103dd3f51e4a970fd7e7068bd2fa66cc2e1317f55f
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8125ff5cc977ffc2453d1637caf6a72004065ce8d7967ff35e9035b83ca1a001
[INFO] running `Command { std: "docker" "start" "-a" "8125ff5cc977ffc2453d1637caf6a72004065ce8d7967ff35e9035b83ca1a001", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling riscv v0.9.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling bl808-pac v0.0.0 (https://github.com/bouffalolab/bl808-pac?rev=6b0cbc319fe7d9679164f87125d888c0634f3ac4#6b0cbc31)
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling riscv v0.10.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking r0 v1.0.0
[INFO] [stderr]     Checking critical-section v1.1.1
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8125ff5cc977ffc2453d1637caf6a72004065ce8d7967ff35e9035b83ca1a001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8125ff5cc977ffc2453d1637caf6a72004065ce8d7967ff35e9035b83ca1a001", kill_on_drop: false }`
[INFO] [stdout] 8125ff5cc977ffc2453d1637caf6a72004065ce8d7967ff35e9035b83ca1a001
