[INFO] fetching crate atsamv71q21 0.2.0...
[INFO] testing atsamv71q21-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate atsamv71q21 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate atsamv71q21 0.2.0 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 atsamv71q21 0.2.0
[INFO] finished tweaking crates.io crate atsamv71q21 0.2.0
[INFO] tweaked toml for crates.io crate atsamv71q21 0.2.0 written to /workspace/builds/worker-3/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ed5cc7d0af99a11cd016ecc131cad9aa3020a3db5ec923d4dbefbf16f137fb77
[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" "ed5cc7d0af99a11cd016ecc131cad9aa3020a3db5ec923d4dbefbf16f137fb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5cc7d0af99a11cd016ecc131cad9aa3020a3db5ec923d4dbefbf16f137fb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5cc7d0af99a11cd016ecc131cad9aa3020a3db5ec923d4dbefbf16f137fb77", kill_on_drop: false }`
[INFO] [stdout] ed5cc7d0af99a11cd016ecc131cad9aa3020a3db5ec923d4dbefbf16f137fb77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d5ebb4f588378133c3748ed0c034e5290cf5a9caa67b8cce183103e56d5ca02b
[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" "d5ebb4f588378133c3748ed0c034e5290cf5a9caa67b8cce183103e56d5ca02b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling atsamv71q21 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr] error: could not compile `atsamv71q21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name atsamv71q21 --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=3b207b8c8d2d8580 -C extra-filename=-3b207b8c8d2d8580 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-b7a3359ed85f8d62.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-16ddcd219049d540.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d5ebb4f588378133c3748ed0c034e5290cf5a9caa67b8cce183103e56d5ca02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ebb4f588378133c3748ed0c034e5290cf5a9caa67b8cce183103e56d5ca02b", kill_on_drop: false }`
[INFO] [stdout] d5ebb4f588378133c3748ed0c034e5290cf5a9caa67b8cce183103e56d5ca02b
