[INFO] fetching crate bern-test 0.1.0...
[INFO] testing bern-test-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate bern-test 0.1.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate bern-test 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bern-test 0.1.0
[INFO] finished tweaking crates.io crate bern-test 0.1.0
[INFO] tweaked toml for crates.io crate bern-test 0.1.0 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f29cddc15f86984183c9095d96176787850818e1c3bc28ed431f0839b89a0fd5
[INFO] running `Command { std: "docker" "start" "-a" "f29cddc15f86984183c9095d96176787850818e1c3bc28ed431f0839b89a0fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f29cddc15f86984183c9095d96176787850818e1c3bc28ed431f0839b89a0fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29cddc15f86984183c9095d96176787850818e1c3bc28ed431f0839b89a0fd5", kill_on_drop: false }`
[INFO] [stdout] f29cddc15f86984183c9095d96176787850818e1c3bc28ed431f0839b89a0fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a13834ee5a956a095ef4169c310a4c93e53eef051c958d152b48a0736d8cff82
[INFO] running `Command { std: "docker" "start" "-a" "a13834ee5a956a095ef4169c310a4c93e53eef051c958d152b48a0736d8cff82", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling bern-test-macros v0.1.0
[INFO] [stderr]    Compiling bern-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> src/serial.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |             TX = mem::transmute(&write);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `&F` (64 bits)
[INFO] [stdout]    = note: target type: `[u8; 4]` (32 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> src/serial.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             RX = mem::transmute(&read);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `&F` (64 bits)
[INFO] [stdout]    = note: target type: `[u8; 4]` (32 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bern-test` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a13834ee5a956a095ef4169c310a4c93e53eef051c958d152b48a0736d8cff82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13834ee5a956a095ef4169c310a4c93e53eef051c958d152b48a0736d8cff82", kill_on_drop: false }`
[INFO] [stdout] a13834ee5a956a095ef4169c310a4c93e53eef051c958d152b48a0736d8cff82