[INFO] fetching crate qei 1.0.2...
[INFO] checking qei-1.0.2 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate qei 1.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qei 1.0.2 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qei 1.0.2
[INFO] finished tweaking crates.io crate qei 1.0.2
[INFO] tweaked toml for crates.io crate qei 1.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55d7eb55a24c12b35ad8c09d5d60da98dd8880f944f8d7c84e9680cc97ebf74a
[INFO] running `Command { std: "docker" "start" "-a" "55d7eb55a24c12b35ad8c09d5d60da98dd8880f944f8d7c84e9680cc97ebf74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d7eb55a24c12b35ad8c09d5d60da98dd8880f944f8d7c84e9680cc97ebf74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d7eb55a24c12b35ad8c09d5d60da98dd8880f944f8d7c84e9680cc97ebf74a", kill_on_drop: false }`
[INFO] [stdout] 55d7eb55a24c12b35ad8c09d5d60da98dd8880f944f8d7c84e9680cc97ebf74a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3133a500aa9abea117861d57e995f061d1bf8476b83a48397c65b754e6adc298
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3133a500aa9abea117861d57e995f061d1bf8476b83a48397c65b754e6adc298", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking qei v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `cortex_m`
[INFO] [stdout]  --> examples/stm32f103.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate cortex_m; //  Low-level functions for ARM Cortex-M3 processor in STM32 Blue Pill.
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qei` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3133a500aa9abea117861d57e995f061d1bf8476b83a48397c65b754e6adc298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3133a500aa9abea117861d57e995f061d1bf8476b83a48397c65b754e6adc298", kill_on_drop: false }`
[INFO] [stdout] 3133a500aa9abea117861d57e995f061d1bf8476b83a48397c65b754e6adc298