[INFO] fetching crate avr-progmem 0.1.0... [INFO] checking avr-progmem-0.1.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073 [INFO] extracting crate avr-progmem 0.1.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate avr-progmem 0.1.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate avr-progmem 0.1.0 [INFO] finished tweaking crates.io crate avr-progmem 0.1.0 [INFO] tweaked toml for crates.io crate avr-progmem 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate avr-progmem 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ufmt-write v0.1.0 [INFO] [stderr] Downloaded ufmt-macros v0.1.1 [INFO] [stderr] Downloaded ufmt v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8190ad2691f539615b5b549b8f1dbe9779f0a7980394bcb713d1145c2f6bc369 [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" "8190ad2691f539615b5b549b8f1dbe9779f0a7980394bcb713d1145c2f6bc369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8190ad2691f539615b5b549b8f1dbe9779f0a7980394bcb713d1145c2f6bc369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8190ad2691f539615b5b549b8f1dbe9779f0a7980394bcb713d1145c2f6bc369", kill_on_drop: false }` [INFO] [stdout] 8190ad2691f539615b5b549b8f1dbe9779f0a7980394bcb713d1145c2f6bc369 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d87382f3807db2c8f1186050716a45c8084200893827a66511826ace9ed017e [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" "9d87382f3807db2c8f1186050716a45c8084200893827a66511826ace9ed017e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.20 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.40 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ufmt-write v0.1.0 [INFO] [stderr] Checking panic-halt v0.2.0 [INFO] [stderr] Checking avr-progmem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `size_bytes` [INFO] [stdout] --> src/lib.rs:657:6 [INFO] [stdout] | [INFO] [stdout] 657 | let size_bytes = size_bytes as u8; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_size_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_byte_loop_raw` [INFO] [stdout] --> src/lib.rs:587:11 [INFO] [stdout] | [INFO] [stdout] 587 | unsafe fn read_byte_loop_raw(p_addr: *const T, out: *mut T, len: u8) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling ufmt-macros v0.1.1 [INFO] [stderr] Checking ufmt v0.1.0 [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_uno` [INFO] [stdout] --> examples/printer/mod.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use arduino_uno::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^ use of undeclared crate or module `arduino_uno` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> examples/uno-serial.rs:119:2 [INFO] [stdout] | [INFO] [stdout] 115 | std::process::exit(0); [INFO] [stdout] | --------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 119 | loop { [INFO] [stdout] | _____^ [INFO] [stdout] 120 | | // Done, just do nothing [INFO] [stdout] 121 | | } [INFO] [stdout] | |_____^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `avr-progmem` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `size_bytes` [INFO] [stdout] --> src/lib.rs:657:6 [INFO] [stdout] | [INFO] [stdout] 657 | let size_bytes = size_bytes as u8; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_size_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_byte_loop_raw` [INFO] [stdout] --> src/lib.rs:587:11 [INFO] [stdout] | [INFO] [stdout] 587 | unsafe fn read_byte_loop_raw(p_addr: *const T, out: *mut T, len: u8) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "9d87382f3807db2c8f1186050716a45c8084200893827a66511826ace9ed017e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d87382f3807db2c8f1186050716a45c8084200893827a66511826ace9ed017e", kill_on_drop: false }` [INFO] [stdout] 9d87382f3807db2c8f1186050716a45c8084200893827a66511826ace9ed017e