[INFO] fetching crate qei 1.0.2...
[INFO] testing qei-1.0.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate qei 1.0.2 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate qei 1.0.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fab1e5ff2a899d0b9d193cd0d9bec6e51235dd2d7d3a389c9db682e1c4c499f5
[INFO] running `Command { std: "docker" "start" "-a" "fab1e5ff2a899d0b9d193cd0d9bec6e51235dd2d7d3a389c9db682e1c4c499f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fab1e5ff2a899d0b9d193cd0d9bec6e51235dd2d7d3a389c9db682e1c4c499f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab1e5ff2a899d0b9d193cd0d9bec6e51235dd2d7d3a389c9db682e1c4c499f5", kill_on_drop: false }`
[INFO] [stdout] fab1e5ff2a899d0b9d193cd0d9bec6e51235dd2d7d3a389c9db682e1c4c499f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fe09997693ad9e12309975cfd01dce20c20bea9304b8abd2175c7d871509e74
[INFO] running `Command { std: "docker" "start" "-a" "8fe09997693ad9e12309975cfd01dce20c20bea9304b8abd2175c7d871509e74", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling qei v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "8fe09997693ad9e12309975cfd01dce20c20bea9304b8abd2175c7d871509e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe09997693ad9e12309975cfd01dce20c20bea9304b8abd2175c7d871509e74", kill_on_drop: false }`
[INFO] [stdout] 8fe09997693ad9e12309975cfd01dce20c20bea9304b8abd2175c7d871509e74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af7d19caa89f710b3d04f9169aa36735a9f822c5f9a020862a53727622470c34
[INFO] running `Command { std: "docker" "start" "-a" "af7d19caa89f710b3d04f9169aa36735a9f822c5f9a020862a53727622470c34", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "af7d19caa89f710b3d04f9169aa36735a9f822c5f9a020862a53727622470c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7d19caa89f710b3d04f9169aa36735a9f822c5f9a020862a53727622470c34", kill_on_drop: false }`
[INFO] [stdout] af7d19caa89f710b3d04f9169aa36735a9f822c5f9a020862a53727622470c34
