[INFO] fetching crate alt-stm32f30x-hal 0.41.0...
[INFO] checking alt-stm32f30x-hal-0.41.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate alt-stm32f30x-hal 0.41.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate alt-stm32f30x-hal 0.41.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alt-stm32f30x-hal 0.41.0
[INFO] finished tweaking crates.io crate alt-stm32f30x-hal 0.41.0
[INFO] tweaked toml for crates.io crate alt-stm32f30x-hal 0.41.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09959efb68058d2c052e755287b9bdeaa121d6555cbe711c85f4c577b3c1a23e
[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" "09959efb68058d2c052e755287b9bdeaa121d6555cbe711c85f4c577b3c1a23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09959efb68058d2c052e755287b9bdeaa121d6555cbe711c85f4c577b3c1a23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09959efb68058d2c052e755287b9bdeaa121d6555cbe711c85f4c577b3c1a23e", kill_on_drop: false }`
[INFO] [stdout] 09959efb68058d2c052e755287b9bdeaa121d6555cbe711c85f4c577b3c1a23e
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c0fe273b5e7c7703dcd96c2b3ed3bba54bde60fbe07733ea6614a6aaa051bbbc
[INFO] running `Command { std: "docker" "start" "-a" "c0fe273b5e7c7703dcd96c2b3ed3bba54bde60fbe07733ea6614a6aaa051bbbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling stm32f3 v0.13.2
[INFO] [stderr]     Checking bitrate v0.1.1
[INFO] [stderr]     Checking bobbin-bits v0.1.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking cortex-m v0.7.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking alt-stm32f30x-hal v0.41.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "c0fe273b5e7c7703dcd96c2b3ed3bba54bde60fbe07733ea6614a6aaa051bbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fe273b5e7c7703dcd96c2b3ed3bba54bde60fbe07733ea6614a6aaa051bbbc", kill_on_drop: false }`
[INFO] [stdout] c0fe273b5e7c7703dcd96c2b3ed3bba54bde60fbe07733ea6614a6aaa051bbbc