[INFO] fetching crate openmv_h7_bsp 0.1.2...
[INFO] checking openmv_h7_bsp-0.1.2 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate openmv_h7_bsp 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate openmv_h7_bsp 0.1.2 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate openmv_h7_bsp 0.1.2
[INFO] finished tweaking crates.io crate openmv_h7_bsp 0.1.2
[INFO] tweaked toml for crates.io crate openmv_h7_bsp 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate openmv_h7_bsp 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded panic-rtt-core v0.1.1
[INFO] [stderr]   Downloaded shared-bus v0.1.4
[INFO] [stderr]   Downloaded rtt-target v0.1.1
[INFO] [stderr]   Downloaded stm32h7xx-hal v0.7.1
[INFO] [stderr]   Downloaded mt9v034-i2c v0.1.5
[INFO] [stderr]   Downloaded stm32h7 v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cface75ac01db386bd60b878e743f812ae84402b02b1278a063c4398ce6ae6e
[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" "8cface75ac01db386bd60b878e743f812ae84402b02b1278a063c4398ce6ae6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cface75ac01db386bd60b878e743f812ae84402b02b1278a063c4398ce6ae6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cface75ac01db386bd60b878e743f812ae84402b02b1278a063c4398ce6ae6e", kill_on_drop: false }`
[INFO] [stdout] 8cface75ac01db386bd60b878e743f812ae84402b02b1278a063c4398ce6ae6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] 7f05a5ca17944af48bb2ba0682847ecbd069a0b3bd802d74d920ec6743f96b32
[INFO] running `Command { std: "docker" "start" "-a" "7f05a5ca17944af48bb2ba0682847ecbd069a0b3bd802d74d920ec6743f96b32", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling stm32h7 v0.11.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling openmv_h7_bsp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking cortex-m v0.6.3
[INFO] [stderr]     Checking cortex-m v0.5.10
[INFO] [stderr]     Checking rtt-target v0.1.1
[INFO] [stderr]     Checking shared-bus v0.1.4
[INFO] [stderr]     Checking panic-rtt-core v0.1.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32h7xx-hal v0.7.1
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32h7xx-hal-0.7.1/src/rng.rs:110:67
[INFO] [stdout]     |
[INFO] [stdout] 110 |                         let bytes: [$type; BATCH_SIZE] = unsafe { mem::transmute(random_word) };
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 | rng_core!(usize);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `u32` (32 bits)
[INFO] [stdout]     = note: target type: `[usize; 0]` (0 bits)
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32h7xx-hal`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7f05a5ca17944af48bb2ba0682847ecbd069a0b3bd802d74d920ec6743f96b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f05a5ca17944af48bb2ba0682847ecbd069a0b3bd802d74d920ec6743f96b32", kill_on_drop: false }`
[INFO] [stdout] 7f05a5ca17944af48bb2ba0682847ecbd069a0b3bd802d74d920ec6743f96b32