[INFO] fetching crate bern-test 0.1.0... [INFO] checking bern-test-0.1.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate bern-test 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate bern-test 0.1.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding rtt-target v0.3.1 (available: v0.5.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rtt-target v0.3.1 [INFO] [stderr] Downloaded bern-test-macros v0.1.0 [INFO] [stderr] Downloaded ufmt-write v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bed2b91d8b99a96d86ab6c7418e9fdd12088632537d789ca740cdb5da6aa172e [INFO] running `Command { std: "docker" "start" "-a" "bed2b91d8b99a96d86ab6c7418e9fdd12088632537d789ca740cdb5da6aa172e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bed2b91d8b99a96d86ab6c7418e9fdd12088632537d789ca740cdb5da6aa172e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bed2b91d8b99a96d86ab6c7418e9fdd12088632537d789ca740cdb5da6aa172e", kill_on_drop: false }` [INFO] [stdout] bed2b91d8b99a96d86ab6c7418e9fdd12088632537d789ca740cdb5da6aa172e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67bf23e79dc93c6ce44452cce6923cee07e30c9fbb17539a4ba1b44d7e00e27f [INFO] running `Command { std: "docker" "start" "-a" "67bf23e79dc93c6ce44452cce6923cee07e30c9fbb17539a4ba1b44d7e00e27f", kill_on_drop: false }` [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling bern-test-macros v0.1.0 [INFO] [stderr] Checking 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] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/serial.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | &mut SERIAL [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 92 | addr_of_mut!(SERIAL) [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [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] For more information about this error, try `rustc --explain E0512`. [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/serial.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | &mut SERIAL [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 92 | addr_of_mut!(SERIAL) [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bern-test` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [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` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "67bf23e79dc93c6ce44452cce6923cee07e30c9fbb17539a4ba1b44d7e00e27f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67bf23e79dc93c6ce44452cce6923cee07e30c9fbb17539a4ba1b44d7e00e27f", kill_on_drop: false }` [INFO] [stdout] 67bf23e79dc93c6ce44452cce6923cee07e30c9fbb17539a4ba1b44d7e00e27f