[INFO] cloning repository https://github.com/JitterCompany/usb-i2c-bridge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JitterCompany/usb-i2c-bridge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJitterCompany%2Fusb-i2c-bridge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJitterCompany%2Fusb-i2c-bridge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4873df347c4bd0c52cb7bcae16405d9b25e4e40b
[INFO] checking JitterCompany/usb-i2c-bridge/4873df347c4bd0c52cb7bcae16405d9b25e4e40b against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJitterCompany%2Fusb-i2c-bridge" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JitterCompany/usb-i2c-bridge on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/JitterCompany/usb-i2c-bridge
[INFO] finished tweaking git repo https://github.com/JitterCompany/usb-i2c-bridge
[INFO] tweaked toml for git repo https://github.com/JitterCompany/usb-i2c-bridge written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JitterCompany/usb-i2c-bridge 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "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 usbd-serial v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed529b913757876059730cfe52f63ebe759fb5e011933ca14a7c39c93b0f0499
[INFO] running `Command { std: "docker" "start" "-a" "ed529b913757876059730cfe52f63ebe759fb5e011933ca14a7c39c93b0f0499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed529b913757876059730cfe52f63ebe759fb5e011933ca14a7c39c93b0f0499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed529b913757876059730cfe52f63ebe759fb5e011933ca14a7c39c93b0f0499", kill_on_drop: false }`
[INFO] [stdout] ed529b913757876059730cfe52f63ebe759fb5e011933ca14a7c39c93b0f0499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4210e946b2609ea8fa544f0f01e68dab86bdda26d978f6a2e715007c4b7e6652
[INFO] running `Command { std: "docker" "start" "-a" "4210e946b2609ea8fa544f0f01e68dab86bdda26d978f6a2e715007c4b7e6652", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling stm32-usbd v0.6.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]    Compiling stm32f1 v0.15.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cortex-m-rtic v1.1.4
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking fugit v0.3.6
[INFO] [stderr]     Checking rtic-monotonic v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking rtic-core v1.0.0
[INFO] [stderr]     Checking spin v0.9.6
[INFO] [stderr]     Checking bxcan v0.7.0
[INFO] [stderr]     Checking usbd-serial v0.1.1
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/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 rustc_version v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stdout] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4210e946b2609ea8fa544f0f01e68dab86bdda26d978f6a2e715007c4b7e6652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4210e946b2609ea8fa544f0f01e68dab86bdda26d978f6a2e715007c4b7e6652", kill_on_drop: false }`
[INFO] [stdout] 4210e946b2609ea8fa544f0f01e68dab86bdda26d978f6a2e715007c4b7e6652
