[INFO] fetching crate atsamd21g18a 0.7.1...
[INFO] checking atsamd21g18a-0.7.1 against master#e9271846294c4ee5bd7706df68180320c0b5ff20 for pr-119825
[INFO] extracting crate atsamd21g18a 0.7.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate atsamd21g18a 0.7.1 on toolchain e9271846294c4ee5bd7706df68180320c0b5ff20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atsamd21g18a 0.7.1
[INFO] finished tweaking crates.io crate atsamd21g18a 0.7.1
[INFO] tweaked toml for crates.io crate atsamd21g18a 0.7.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eda27244f60d57bc72629d8eacffa3abca85f56da23f6828455038f451aff56f
[INFO] running `Command { std: "docker" "start" "-a" "eda27244f60d57bc72629d8eacffa3abca85f56da23f6828455038f451aff56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eda27244f60d57bc72629d8eacffa3abca85f56da23f6828455038f451aff56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda27244f60d57bc72629d8eacffa3abca85f56da23f6828455038f451aff56f", kill_on_drop: false }`
[INFO] [stdout] eda27244f60d57bc72629d8eacffa3abca85f56da23f6828455038f451aff56f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 270a3aa057241ff0d978e1e3dc956064a83f45e3be7dd6f64f9e06b0c60d3a1e
[INFO] running `Command { std: "docker" "start" "-a" "270a3aa057241ff0d978e1e3dc956064a83f45e3be7dd6f64f9e06b0c60d3a1e", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling atsamd21g18a v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr] error: could not compile `atsamd21g18a` (build script)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/e9271846294c4ee5bd7706df68180320c0b5ff20/bin/rustc --crate-name build_script_build build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C metadata=eac6dc2ec5232322 -C extra-filename=-eac6dc2ec5232322 --out-dir /opt/rustwide/target/debug/build/atsamd21g18a-eac6dc2ec5232322 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Cannot allocate memory (os error 12)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "270a3aa057241ff0d978e1e3dc956064a83f45e3be7dd6f64f9e06b0c60d3a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270a3aa057241ff0d978e1e3dc956064a83f45e3be7dd6f64f9e06b0c60d3a1e", kill_on_drop: false }`
[INFO] [stdout] 270a3aa057241ff0d978e1e3dc956064a83f45e3be7dd6f64f9e06b0c60d3a1e