[INFO] fetching crate embassy-stm32f7 0.0.0...
[INFO] testing embassy-stm32f7-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate embassy-stm32f7 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate embassy-stm32f7 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embassy-stm32f7 0.0.0
[INFO] finished tweaking crates.io crate embassy-stm32f7 0.0.0
[INFO] tweaked toml for crates.io crate embassy-stm32f7 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e69c773f36cd331acc76eab15dd24f382012093bbca34694aabec33d9da93226
[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" "e69c773f36cd331acc76eab15dd24f382012093bbca34694aabec33d9da93226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e69c773f36cd331acc76eab15dd24f382012093bbca34694aabec33d9da93226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69c773f36cd331acc76eab15dd24f382012093bbca34694aabec33d9da93226", kill_on_drop: false }`
[INFO] [stdout] e69c773f36cd331acc76eab15dd24f382012093bbca34694aabec33d9da93226
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea45d4c2b926284f22649274e4826ab5370d3270459fb55c5bbec972f6c00e04
[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" "ea45d4c2b926284f22649274e4826ab5370d3270459fb55c5bbec972f6c00e04", kill_on_drop: false }`
[INFO] [stderr]    Compiling embassy-stm32f7 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ea45d4c2b926284f22649274e4826ab5370d3270459fb55c5bbec972f6c00e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea45d4c2b926284f22649274e4826ab5370d3270459fb55c5bbec972f6c00e04", kill_on_drop: false }`
[INFO] [stdout] ea45d4c2b926284f22649274e4826ab5370d3270459fb55c5bbec972f6c00e04
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 375067ae117aa31bdf4637138a5b36f49300ae81c31e308da084f74c44f5d793
[INFO] running `Command { std: "docker" "start" "-a" "375067ae117aa31bdf4637138a5b36f49300ae81c31e308da084f74c44f5d793", kill_on_drop: false }`
[INFO] [stderr]    Compiling embassy-stm32f7 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "375067ae117aa31bdf4637138a5b36f49300ae81c31e308da084f74c44f5d793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375067ae117aa31bdf4637138a5b36f49300ae81c31e308da084f74c44f5d793", kill_on_drop: false }`
[INFO] [stdout] 375067ae117aa31bdf4637138a5b36f49300ae81c31e308da084f74c44f5d793
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 08bc86d30ed71a419c646b2d34bcedbff0c4a28aef4b6abb4990e7b9630cf69e
[INFO] running `Command { std: "docker" "start" "-a" "08bc86d30ed71a419c646b2d34bcedbff0c4a28aef4b6abb4990e7b9630cf69e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/embassy_stm32f7-08cea80cba0e4d0d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests embassy-stm32f7
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08bc86d30ed71a419c646b2d34bcedbff0c4a28aef4b6abb4990e7b9630cf69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bc86d30ed71a419c646b2d34bcedbff0c4a28aef4b6abb4990e7b9630cf69e", kill_on_drop: false }`
[INFO] [stdout] 08bc86d30ed71a419c646b2d34bcedbff0c4a28aef4b6abb4990e7b9630cf69e