[INFO] fetching crate lightning-log 1.1.0... [INFO] testing lightning-log-1.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate lightning-log 1.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate lightning-log 1.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate lightning-log 1.1.0 [INFO] tweaked toml for crates.io crate lightning-log 1.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lightning-log 1.1.0 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] crate crates.io crate lightning-log 1.1.0 already has a lockfile, it will not be regenerated [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fc5cb75048d1fa1f2d0f04ddd922394b0268cdfcd8e5452778feecd0de829366 [INFO] running `Command { std: "docker" "start" "-a" "fc5cb75048d1fa1f2d0f04ddd922394b0268cdfcd8e5452778feecd0de829366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc5cb75048d1fa1f2d0f04ddd922394b0268cdfcd8e5452778feecd0de829366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc5cb75048d1fa1f2d0f04ddd922394b0268cdfcd8e5452778feecd0de829366", kill_on_drop: false }` [INFO] [stdout] fc5cb75048d1fa1f2d0f04ddd922394b0268cdfcd8e5452778feecd0de829366 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b9c01f6f5e00c928fa84ca980e937f2959085a04857c0322d828f8a80d12c05f [INFO] running `Command { std: "docker" "start" "-a" "b9c01f6f5e00c928fa84ca980e937f2959085a04857c0322d828f8a80d12c05f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling core_affinity v0.8.3 [INFO] [stderr] Compiling lightning-log v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.68s [INFO] running `Command { std: "docker" "inspect" "b9c01f6f5e00c928fa84ca980e937f2959085a04857c0322d828f8a80d12c05f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9c01f6f5e00c928fa84ca980e937f2959085a04857c0322d828f8a80d12c05f", kill_on_drop: false }` [INFO] [stdout] b9c01f6f5e00c928fa84ca980e937f2959085a04857c0322d828f8a80d12c05f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d65e156aa37dbffc84b6bd85121f52d24d49a38b6e14aaec07d4eacafed13c58 [INFO] running `Command { std: "docker" "start" "-a" "d65e156aa37dbffc84b6bd85121f52d24d49a38b6e14aaec07d4eacafed13c58", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling clap_lex v0.7.5 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling is-terminal v0.4.16 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.6 [INFO] [stderr] Compiling humantime v2.2.0 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling clap_builder v4.5.44 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling lightning-log v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling clap v4.5.45 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling env_logger v0.10.2 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stdout] warning: variable `trade_count` is assigned to, but never used [INFO] [stdout] --> examples/basic_usage.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut trade_count = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_trade_count` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `timestamp` is never read [INFO] [stdout] --> examples/trading_simulation.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Order { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | timestamp: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Order` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `orders` and `market_data` are never read [INFO] [stdout] --> examples/trading_simulation.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct TradingEngine { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 27 | orders: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 28 | market_data: HashMap, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 29.77s [INFO] running `Command { std: "docker" "inspect" "d65e156aa37dbffc84b6bd85121f52d24d49a38b6e14aaec07d4eacafed13c58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d65e156aa37dbffc84b6bd85121f52d24d49a38b6e14aaec07d4eacafed13c58", kill_on_drop: false }` [INFO] [stdout] d65e156aa37dbffc84b6bd85121f52d24d49a38b6e14aaec07d4eacafed13c58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5749fa6fcba44d637b8d7dbbc3eda0bffc20b90f490beb838fc2280c1f829136 [INFO] running `Command { std: "docker" "start" "-a" "5749fa6fcba44d637b8d7dbbc3eda0bffc20b90f490beb838fc2280c1f829136", kill_on_drop: false }` [INFO] [stderr] warning: field `timestamp` is never read [INFO] [stderr] --> examples/trading_simulation.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 7 | struct Order { [INFO] [stderr] | ----- field in this struct [INFO] [stderr] ... [INFO] [stderr] 13 | timestamp: u64, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Order` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `orders` and `market_data` are never read [INFO] [stderr] --> examples/trading_simulation.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 26 | struct TradingEngine { [INFO] [stderr] | ------------- fields in this struct [INFO] [stderr] 27 | orders: HashMap, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 28 | market_data: HashMap, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `lightning-log` (example "trading_simulation") generated 2 warnings [INFO] [stderr] warning: variable `trade_count` is assigned to, but never used [INFO] [stderr] --> examples/basic_usage.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | let mut trade_count = 0; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_trade_count` instead [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `lightning-log` (example "basic_usage") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lightning_log-d8200e102bcbb031) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_basic_logging ... ok [INFO] [stdout] test tests::test_message_formats ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] Doc-tests lightning_log [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 17) ... FAILED [INFO] [stdout] test src/lib.rs - (line 46) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 17) stdout ---- [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 11 | register_message_format(1001, "Trade executed: volume={}, price={}, symbol={}"); [INFO] [stdout] | ----------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `String`, found `&str` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] note: function defined here [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:662:8 [INFO] [stdout] | [INFO] [stdout] 662 | pub fn register_message_format(message_id: u32, format: String) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: try using a conversion method [INFO] [stdout] | [INFO] [stdout] 11 | register_message_format(1001, "Trade executed: volume={}, price={}, symbol={}".to_string()); [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 17) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s [INFO] [stdout] [INFO] [stdout] all doctests ran in 0.57s; merged doctests compilation took 0.18s [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "5749fa6fcba44d637b8d7dbbc3eda0bffc20b90f490beb838fc2280c1f829136", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5749fa6fcba44d637b8d7dbbc3eda0bffc20b90f490beb838fc2280c1f829136", kill_on_drop: false }` [INFO] [stdout] 5749fa6fcba44d637b8d7dbbc3eda0bffc20b90f490beb838fc2280c1f829136