[INFO] cloning repository https://github.com/ammoniak/sam3x8e
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ammoniak/sam3x8e" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammoniak%2Fsam3x8e", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammoniak%2Fsam3x8e'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98daa87233a2135b77dcd1457deeecb998a3f470
[INFO] checking ammoniak/sam3x8e against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammoniak%2Fsam3x8e" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ammoniak/sam3x8e on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ammoniak/sam3x8e
[INFO] finished tweaking git repo https://github.com/ammoniak/sam3x8e
[INFO] tweaked toml for git repo https://github.com/ammoniak/sam3x8e written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ammoniak/sam3x8e already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.bench
[INFO] [stderr] warning: unused manifest key: package.test
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.7
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7785102729c2b8792b273f611023a5f3c2e0ea75ad91428ad2fc7dbd250762fe
[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" "7785102729c2b8792b273f611023a5f3c2e0ea75ad91428ad2fc7dbd250762fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7785102729c2b8792b273f611023a5f3c2e0ea75ad91428ad2fc7dbd250762fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7785102729c2b8792b273f611023a5f3c2e0ea75ad91428ad2fc7dbd250762fe", kill_on_drop: false }`
[INFO] [stdout] 7785102729c2b8792b273f611023a5f3c2e0ea75ad91428ad2fc7dbd250762fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c4f48d1c3b52248643b4ad5569ab30b569dc7f7c625b1de5cebe5d4598fc6df
[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" "0c4f48d1c3b52248643b4ad5569ab30b569dc7f7c625b1de5cebe5d4598fc6df", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.bench
[INFO] [stderr] warning: unused manifest key: package.test
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling sam3x8e v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr] error: could not compile `sam3x8e`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sam3x8e --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=f848fcd5777db44b -C extra-filename=-f848fcd5777db44b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-78cfc770400dc2be.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-44c9f6ae7ac7018c.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-65e18ee1a4d66ee0.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0c4f48d1c3b52248643b4ad5569ab30b569dc7f7c625b1de5cebe5d4598fc6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4f48d1c3b52248643b4ad5569ab30b569dc7f7c625b1de5cebe5d4598fc6df", kill_on_drop: false }`
[INFO] [stdout] 0c4f48d1c3b52248643b4ad5569ab30b569dc7f7c625b1de5cebe5d4598fc6df