[INFO] fetching crate teensy4-panic 0.2.3... [INFO] testing teensy4-panic-0.2.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate teensy4-panic 0.2.3 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate teensy4-panic 0.2.3 [INFO] finished tweaking crates.io crate teensy4-panic 0.2.3 [INFO] tweaked toml for crates.io crate teensy4-panic 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate teensy4-panic 0.2.3 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84fbf63d5bf33b573c0e2e4d3a14531fea0ac4a0155b4a8968cbba09be9459ae [INFO] running `Command { std: "docker" "start" "-a" "84fbf63d5bf33b573c0e2e4d3a14531fea0ac4a0155b4a8968cbba09be9459ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84fbf63d5bf33b573c0e2e4d3a14531fea0ac4a0155b4a8968cbba09be9459ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84fbf63d5bf33b573c0e2e4d3a14531fea0ac4a0155b4a8968cbba09be9459ae", kill_on_drop: false }` [INFO] [stdout] 84fbf63d5bf33b573c0e2e4d3a14531fea0ac4a0155b4a8968cbba09be9459ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e811d1c88fef670d74a2e0b9c5e4522b36e13ca3b3bde6929d8e9411b4199cdd [INFO] running `Command { std: "docker" "start" "-a" "e811d1c88fef670d74a2e0b9c5e4522b36e13ca3b3bde6929d8e9411b4199cdd", kill_on_drop: false }` [INFO] [stderr] Compiling teensy4-panic v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:136:19 [INFO] [stdout] | [INFO] [stdout] 136 | struct DelayTicks(u32); [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `DelayTicks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "e811d1c88fef670d74a2e0b9c5e4522b36e13ca3b3bde6929d8e9411b4199cdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e811d1c88fef670d74a2e0b9c5e4522b36e13ca3b3bde6929d8e9411b4199cdd", kill_on_drop: false }` [INFO] [stdout] e811d1c88fef670d74a2e0b9c5e4522b36e13ca3b3bde6929d8e9411b4199cdd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5c641313b53d4cad991960b137ed546c1f2818cd3f8359afb8a6d8e513c856d [INFO] running `Command { std: "docker" "start" "-a" "e5c641313b53d4cad991960b137ed546c1f2818cd3f8359afb8a6d8e513c856d", kill_on_drop: false }` [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:136:19 [INFO] [stdout] | [INFO] [stdout] 136 | struct DelayTicks(u32); [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `DelayTicks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] running `Command { std: "docker" "inspect" "e5c641313b53d4cad991960b137ed546c1f2818cd3f8359afb8a6d8e513c856d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5c641313b53d4cad991960b137ed546c1f2818cd3f8359afb8a6d8e513c856d", kill_on_drop: false }` [INFO] [stdout] e5c641313b53d4cad991960b137ed546c1f2818cd3f8359afb8a6d8e513c856d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b7c3bb56415a3862531ce726ec7971a0a2aa60df2b0baf4a619ead3b68daeb8c [INFO] running `Command { std: "docker" "start" "-a" "b7c3bb56415a3862531ce726ec7971a0a2aa60df2b0baf4a619ead3b68daeb8c", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:136:19 [INFO] [stderr] | [INFO] [stderr] 136 | struct DelayTicks(u32); [INFO] [stderr] | ---------- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `DelayTicks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `teensy4-panic` (lib) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Doc-tests teensy4_panic [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 70) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 48) - compile ... FAILED [INFO] [stdout] test src/lib.rs - (line 18) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 48) stdout ---- [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(lang_items)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(lang_items)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/lib.rs:61:28 [INFO] [stdout] | [INFO] [stdout] 15 | #[lang = "eh_personality"] extern fn rust_eh_personality() {} [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/lib.rs:56:1 [INFO] [stdout] | [INFO] [stdout] 10 | / fn panic(_: &core::panic::PanicInfo) -> ! { [INFO] [stdout] 11 | | // Your panic handler here... [INFO] [stdout] 12 | | sos() [INFO] [stdout] 13 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `teensy4_panic` (which `rust_out` depends on) [INFO] [stdout] = note: first definition in `teensy4_panic` loaded from /opt/rustwide/target/debug/deps/libteensy4_panic-bdc4699db714beee.rlib [INFO] [stdout] = note: second definition in the local crate (`rust_out`) [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0152, E0554. [INFO] [stdout] For more information about an error, try `rustc --explain E0152`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 18) stdout ---- [INFO] [stdout] error[E0152]: duplicate lang item in crate `teensy4_panic` (which `rust_out` depends on): `panic_impl` [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `rust_out` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2a1757997f179349.so, /opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2a1757997f179349.rlib [INFO] [stdout] = note: second definition in `teensy4_panic` loaded from /opt/rustwide/target/debug/deps/libteensy4_panic-bdc4699db714beee.rlib [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 18) [INFO] [stdout] src/lib.rs - (line 48) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "b7c3bb56415a3862531ce726ec7971a0a2aa60df2b0baf4a619ead3b68daeb8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7c3bb56415a3862531ce726ec7971a0a2aa60df2b0baf4a619ead3b68daeb8c", kill_on_drop: false }` [INFO] [stdout] b7c3bb56415a3862531ce726ec7971a0a2aa60df2b0baf4a619ead3b68daeb8c