[INFO] cloning repository https://github.com/tkonolige/keyberon_failed_configure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tkonolige/keyberon_failed_configure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkonolige%2Fkeyberon_failed_configure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkonolige%2Fkeyberon_failed_configure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beb875bd99ff1ae9bc8600e6a41e340281877b28
[INFO] checking tkonolige/keyberon_failed_configure against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkonolige%2Fkeyberon_failed_configure" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkonolige/keyberon_failed_configure on toolchain 50b21af28e291c419ae81eebcb7705fb4200dc90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/tkonolige/keyberon_failed_configure
[INFO] finished tweaking git repo https://github.com/tkonolige/keyberon_failed_configure
[INFO] tweaked toml for git repo https://github.com/tkonolige/keyberon_failed_configure written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tkonolige/keyberon_failed_configure 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" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tkonolige/keyberon_failed_configure against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkonolige%2Fkeyberon_failed_configure" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkonolige/keyberon_failed_configure on toolchain 50b21af28e291c419ae81eebcb7705fb4200dc90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/tkonolige/keyberon_failed_configure
[INFO] finished tweaking git repo https://github.com/tkonolige/keyberon_failed_configure
[INFO] tweaked toml for git repo https://github.com/tkonolige/keyberon_failed_configure written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tkonolige/keyberon_failed_configure 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" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "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 defmt v0.3.4
[INFO] [stderr]   Downloaded panic-probe v0.3.1
[INFO] [stderr]   Downloaded defmt-macros v0.3.5
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded defmt-parser v0.3.3
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.3
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded defmt-rtt v0.4.0
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded nrf-usbd v0.2.0
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded nrf52840-pac v0.9.0
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] [stderr]   Downloaded keyberon v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6590c73a514fe3e3959ddd0e2fa437d32c42ee32058e9ac8591ef40c6f726b92
[INFO] running `Command { std: "docker" "start" "-a" "6590c73a514fe3e3959ddd0e2fa437d32c42ee32058e9ac8591ef40c6f726b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6590c73a514fe3e3959ddd0e2fa437d32c42ee32058e9ac8591ef40c6f726b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6590c73a514fe3e3959ddd0e2fa437d32c42ee32058e9ac8591ef40c6f726b92", kill_on_drop: false }`
[INFO] [stdout] 6590c73a514fe3e3959ddd0e2fa437d32c42ee32058e9ac8591ef40c6f726b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caade4fdf3b9719cfe54c483dbb22b50f1e5a1c0c18451b9b08892710c874130
[INFO] running `Command { std: "docker" "start" "-a" "caade4fdf3b9719cfe54c483dbb22b50f1e5a1c0c18451b9b08892710c874130", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling defmt v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking critical-section v1.1.1
[INFO] [stderr]    Compiling defmt-macros v0.3.5
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling defmt-rtt v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nrf52840-pac v0.9.0
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]    Compiling panic-probe v0.3.1
[INFO] [stderr]    Compiling keyberon_failed_configure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 bare-metal v0.2.5
[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" "caade4fdf3b9719cfe54c483dbb22b50f1e5a1c0c18451b9b08892710c874130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caade4fdf3b9719cfe54c483dbb22b50f1e5a1c0c18451b9b08892710c874130", kill_on_drop: false }`
[INFO] [stdout] caade4fdf3b9719cfe54c483dbb22b50f1e5a1c0c18451b9b08892710c874130