[INFO] cloning repository https://github.com/Nercury/hack-the-crab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nercury/hack-the-crab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Fhack-the-crab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Fhack-the-crab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a02531b362dac1f077d9f92b76770bcc52d62344
[INFO] checking Nercury/hack-the-crab against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Fhack-the-crab" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nercury/hack-the-crab on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Nercury/hack-the-crab
[INFO] finished tweaking git repo https://github.com/Nercury/hack-the-crab
[INFO] tweaked toml for git repo https://github.com/Nercury/hack-the-crab written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Nercury/hack-the-crab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] dbe3cd4e76852b7b5b93347c31f658d70948f8c662bbf64659c938e25fb16aca
[INFO] running `Command { std: "docker" "start" "-a" "dbe3cd4e76852b7b5b93347c31f658d70948f8c662bbf64659c938e25fb16aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe3cd4e76852b7b5b93347c31f658d70948f8c662bbf64659c938e25fb16aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe3cd4e76852b7b5b93347c31f658d70948f8c662bbf64659c938e25fb16aca", kill_on_drop: false }`
[INFO] [stdout] dbe3cd4e76852b7b5b93347c31f658d70948f8c662bbf64659c938e25fb16aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a939d5df732eda669d65973ea6abb0c5950ba228ddcc7c140a7840f90d4f3fd
[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" "8a939d5df732eda669d65973ea6abb0c5950ba228ddcc7c140a7840f90d4f3fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]    Compiling stm32g0 v0.10.0
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.0
[INFO] [stderr]     Checking rtfm-core v0.3.0
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]     Checking cortex-m v0.6.1
[INFO] [stderr]     Checking cortex-m-semihosting v0.3.5
[INFO] [stderr]     Checking panic-semihosting v0.5.3
[INFO] [stderr]    Compiling rtfm-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.6
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.0
[INFO] [stderr]     Checking stm32g0xx-hal v0.0.8
[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/stm32g0xx-hal-0.0.8/src/rng.rs:176:67
[INFO] [stdout]     |
[INFO] [stdout] 176 |                         let bytes: [$type; BATCH_SIZE] = unsafe { mem::transmute(random_word) };
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 | rng_core!(usize, u32, u16, u8);
[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 `stm32g0xx-hal`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8a939d5df732eda669d65973ea6abb0c5950ba228ddcc7c140a7840f90d4f3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a939d5df732eda669d65973ea6abb0c5950ba228ddcc7c140a7840f90d4f3fd", kill_on_drop: false }`
[INFO] [stdout] 8a939d5df732eda669d65973ea6abb0c5950ba228ddcc7c140a7840f90d4f3fd