[INFO] fetching crate lambda-rs-logging 2023.1.30... [INFO] testing lambda-rs-logging-2023.1.30 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate lambda-rs-logging 2023.1.30 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate lambda-rs-logging 2023.1.30 [INFO] finished tweaking crates.io crate lambda-rs-logging 2023.1.30 [INFO] tweaked toml for crates.io crate lambda-rs-logging 2023.1.30 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lambda-rs-logging 2023.1.30 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] 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 881b790d01b7559eef7da479a275f07bcd06b2899b95d8b6db7d65d3006e02cf [INFO] running `Command { std: "docker" "start" "-a" "881b790d01b7559eef7da479a275f07bcd06b2899b95d8b6db7d65d3006e02cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "881b790d01b7559eef7da479a275f07bcd06b2899b95d8b6db7d65d3006e02cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "881b790d01b7559eef7da479a275f07bcd06b2899b95d8b6db7d65d3006e02cf", kill_on_drop: false }` [INFO] [stdout] 881b790d01b7559eef7da479a275f07bcd06b2899b95d8b6db7d65d3006e02cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8dc2c5160b9c4ae3a3d8979ef7413a8dea91a5c908a7d6323f2c266bc00ee78c [INFO] running `Command { std: "docker" "start" "-a" "8dc2c5160b9c4ae3a3d8979ef7413a8dea91a5c908a7d6323f2c266bc00ee78c", kill_on_drop: false }` [INFO] [stderr] Compiling lambda-rs-logging v2023.1.30 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Logger { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 21 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | if LOGGER.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:48:21 [INFO] [stdout] | [INFO] [stdout] 48 | return unsafe { &mut LOGGER } [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 48 | return unsafe { &raw mut LOGGER } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "8dc2c5160b9c4ae3a3d8979ef7413a8dea91a5c908a7d6323f2c266bc00ee78c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dc2c5160b9c4ae3a3d8979ef7413a8dea91a5c908a7d6323f2c266bc00ee78c", kill_on_drop: false }` [INFO] [stdout] 8dc2c5160b9c4ae3a3d8979ef7413a8dea91a5c908a7d6323f2c266bc00ee78c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 943a30affd1d6b0a28e597627ddbe164f0c6133413711093576cc3eee14af819 [INFO] running `Command { std: "docker" "start" "-a" "943a30affd1d6b0a28e597627ddbe164f0c6133413711093576cc3eee14af819", kill_on_drop: false }` [INFO] [stderr] Compiling lambda-rs-logging v2023.1.30 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Logger { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 21 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | if LOGGER.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:48:21 [INFO] [stdout] | [INFO] [stdout] 48 | return unsafe { &mut LOGGER } [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 48 | return unsafe { &raw mut LOGGER } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Logger { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 21 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | if LOGGER.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:48:21 [INFO] [stdout] | [INFO] [stdout] 48 | return unsafe { &mut LOGGER } [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 48 | return unsafe { &raw mut LOGGER } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "943a30affd1d6b0a28e597627ddbe164f0c6133413711093576cc3eee14af819", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "943a30affd1d6b0a28e597627ddbe164f0c6133413711093576cc3eee14af819", kill_on_drop: false }` [INFO] [stdout] 943a30affd1d6b0a28e597627ddbe164f0c6133413711093576cc3eee14af819 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1b9bbc4071c6025206021fdc7328e17a767f90c2e309a60766886c065eb94a53 [INFO] running `Command { std: "docker" "start" "-a" "1b9bbc4071c6025206021fdc7328e17a767f90c2e309a60766886c065eb94a53", kill_on_drop: false }` [INFO] [stderr] warning: field `name` is never read [INFO] [stderr] --> src/lib.rs:21:3 [INFO] [stderr] | [INFO] [stderr] 20 | pub struct Logger { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] 21 | name: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/lib.rs:40:10 [INFO] [stderr] | [INFO] [stderr] 40 | if LOGGER.is_none() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: creating a mutable reference to mutable static [INFO] [stderr] --> src/lib.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | return unsafe { &mut LOGGER } [INFO] [stderr] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stderr] help: use `&raw mut` instead to create a raw pointer [INFO] [stderr] | [INFO] [stderr] 48 | return unsafe { &raw mut LOGGER } [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `lambda-rs-logging` (lib) generated 3 warnings [INFO] [stderr] warning: `lambda-rs-logging` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/logging-00e3b67a874f64c7) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests logging [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1b9bbc4071c6025206021fdc7328e17a767f90c2e309a60766886c065eb94a53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b9bbc4071c6025206021fdc7328e17a767f90c2e309a60766886c065eb94a53", kill_on_drop: false }` [INFO] [stdout] 1b9bbc4071c6025206021fdc7328e17a767f90c2e309a60766886c065eb94a53