[INFO] cloning repository https://github.com/lonesometraveler/embassy-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lonesometraveler/embassy-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonesometraveler%2Fembassy-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonesometraveler%2Fembassy-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1eed51e9a6c7d91d53089bceb396ffba5d9177f6
[INFO] checking lonesometraveler/embassy-demo against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonesometraveler%2Fembassy-demo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/lonesometraveler/embassy-demo
[INFO] finished tweaking git repo https://github.com/lonesometraveler/embassy-demo
[INFO] tweaked toml for git repo https://github.com/lonesometraveler/embassy-demo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lonesometraveler/embassy-demo on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lonesometraveler/embassy-demo 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/embassy-rs/embassy`
[INFO] [stderr]     Updating git submodule `https://github.com/embassy-rs/stm32-data.git`
[INFO] [stderr]     Updating git repository `https://github.com/embassy-rs/chiptool`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded defmt-parser v0.3.1
[INFO] [stderr]   Downloaded panic-probe v0.3.0
[INFO] [stderr]   Downloaded defmt-macros v0.3.2
[INFO] [stderr]   Downloaded defmt v0.3.2
[INFO] [stderr]   Downloaded embedded-hal-async v0.2.0-alpha.0
[INFO] [stderr]   Downloaded bytemuck v1.12.1
[INFO] [stderr]   Downloaded defmt-rtt v0.3.2
[INFO] [stderr]   Downloaded svd-parser v0.10.2
[INFO] [stderr]   Downloaded futures-io v0.3.24
[INFO] [stderr]   Downloaded stm32-fmc v0.2.4
[INFO] [stderr]   Downloaded bxcan v0.7.0
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] [stderr]   Downloaded textwrap v0.15.1
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded fixed v1.19.0
[INFO] [stderr]   Downloaded clap v3.2.22
[INFO] [stderr]   Downloaded nrf52832-pac v0.12.2
[INFO] [stderr]   Downloaded futures-util v0.3.24
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded heapless v0.7.16
[INFO] [stderr]   Downloaded rayon v1.5.3
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.9
[INFO] [stderr]   Downloaded futures-channel v0.3.24
[INFO] [stderr]   Downloaded futures v0.3.24
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.3
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] [stderr]   Downloaded indexmap v1.9.1
[INFO] [stderr]   Downloaded futures-core v0.3.24
[INFO] [stderr]   Downloaded futures-macro v0.3.24
[INFO] [stderr]   Downloaded futures-task v0.3.24
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]   Downloaded sdio-host v0.5.0
[INFO] [stderr]   Downloaded seq-macro v0.3.1
[INFO] [stderr]   Downloaded nrf52840-pac v0.12.2
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded os_str_bytes v6.3.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.2
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[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded static_cell v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded anyhow v1.0.66
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded critical-section v0.2.7
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded critical-section v1.1.1
[INFO] [stderr]   Downloaded cortex-m v0.7.6
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded xmltree v0.8.0
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.1
[INFO] [stderr]   Downloaded futures-sink v0.3.24
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.10
[INFO] [stderr]   Downloaded embedded-storage-async v0.3.0
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[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddd23108b3c0f4b2638b509531c88b7e6c0f85b44d5cedea8db2b0b6b5560575
[INFO] running `Command { std: "docker" "start" "-a" "ddd23108b3c0f4b2638b509531c88b7e6c0f85b44d5cedea8db2b0b6b5560575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd23108b3c0f4b2638b509531c88b7e6c0f85b44d5cedea8db2b0b6b5560575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd23108b3c0f4b2638b509531c88b7e6c0f85b44d5cedea8db2b0b6b5560575", kill_on_drop: false }`
[INFO] [stdout] ddd23108b3c0f4b2638b509531c88b7e6c0f85b44d5cedea8db2b0b6b5560575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43aebbe9c8fdb8fe2488d474e18562c02b48ff775a27b092fe4ce98d22287eb6
[INFO] running `Command { std: "docker" "start" "-a" "43aebbe9c8fdb8fe2488d474e18562c02b48ff775a27b092fe4ce98d22287eb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling defmt v0.3.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling defmt-macros v0.3.2
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking critical-section v1.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking void v1.0.2
[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" "43aebbe9c8fdb8fe2488d474e18562c02b48ff775a27b092fe4ce98d22287eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43aebbe9c8fdb8fe2488d474e18562c02b48ff775a27b092fe4ce98d22287eb6", kill_on_drop: false }`
[INFO] [stdout] 43aebbe9c8fdb8fe2488d474e18562c02b48ff775a27b092fe4ce98d22287eb6