[INFO] fetching crate log4rs-syslog-net 0.2.2... [INFO] testing log4rs-syslog-net-0.2.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate log4rs-syslog-net 0.2.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate log4rs-syslog-net 0.2.2 [INFO] finished tweaking crates.io crate log4rs-syslog-net 0.2.2 [INFO] tweaked toml for crates.io crate log4rs-syslog-net 0.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate log4rs-syslog-net 0.2.2 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 44 packages to latest compatible versions [INFO] [stderr] Adding log4rs v0.13.0 (available: v1.4.0) [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] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `log4rs` dependency) [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] a4922ac30e75bb73a0522df4733fac7367a8a2f2052e5aa3c4cb183ea254b06b [INFO] running `Command { std: "docker" "start" "-a" "a4922ac30e75bb73a0522df4733fac7367a8a2f2052e5aa3c4cb183ea254b06b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4922ac30e75bb73a0522df4733fac7367a8a2f2052e5aa3c4cb183ea254b06b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4922ac30e75bb73a0522df4733fac7367a8a2f2052e5aa3c4cb183ea254b06b", kill_on_drop: false }` [INFO] [stdout] a4922ac30e75bb73a0522df4733fac7367a8a2f2052e5aa3c4cb183ea254b06b [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] e45ec97bdaf3a2354b4d2ed557302360a76b79092def3150f652de12b2b2e4fe [INFO] running `Command { std: "docker" "start" "-a" "e45ec97bdaf3a2354b4d2ed557302360a76b79092def3150f652de12b2b2e4fe", kill_on_drop: false }` [INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `log4rs` dependency) [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling log-mdc v0.1.0 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling arc-swap v0.4.8 [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling log4rs v0.13.0 [INFO] [stderr] Compiling log4rs-syslog-net v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/lib.rs:111:36 [INFO] [stdout] | [INFO] [stdout] 111 | std::thread::spawn(move || 'outer: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `addr` is never read [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct SyslogAppender { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 47 | addr: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SyslogAppender` has a derived impl for the trait `Debug`, 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] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:123:33 [INFO] [stdout] | [INFO] [stdout] 123 | ... conn.write_all(&v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 123 | let _ = conn.write_all(&v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:124:33 [INFO] [stdout] | [INFO] [stdout] 124 | ... conn.flush(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 124 | let _ = conn.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s [INFO] running `Command { std: "docker" "inspect" "e45ec97bdaf3a2354b4d2ed557302360a76b79092def3150f652de12b2b2e4fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e45ec97bdaf3a2354b4d2ed557302360a76b79092def3150f652de12b2b2e4fe", kill_on_drop: false }` [INFO] [stdout] e45ec97bdaf3a2354b4d2ed557302360a76b79092def3150f652de12b2b2e4fe [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] 805651501e0596093c6063dde2abe01820ab0159784f2155b02d92bbe17e09a5 [INFO] running `Command { std: "docker" "start" "-a" "805651501e0596093c6063dde2abe01820ab0159784f2155b02d92bbe17e09a5", kill_on_drop: false }` [INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `log4rs` dependency) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/lib.rs:111:36 [INFO] [stdout] | [INFO] [stdout] 111 | std::thread::spawn(move || 'outer: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log4rs-syslog-net v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `addr` is never read [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct SyslogAppender { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 47 | addr: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SyslogAppender` has a derived impl for the trait `Debug`, 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] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:123:33 [INFO] [stdout] | [INFO] [stdout] 123 | ... conn.write_all(&v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 123 | let _ = conn.write_all(&v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:124:33 [INFO] [stdout] | [INFO] [stdout] 124 | ... conn.flush(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 124 | let _ = conn.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/lib.rs:111:36 [INFO] [stdout] | [INFO] [stdout] 111 | std::thread::spawn(move || 'outer: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `addr` is never read [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct SyslogAppender { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 47 | addr: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SyslogAppender` has a derived impl for the trait `Debug`, 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] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:123:33 [INFO] [stdout] | [INFO] [stdout] 123 | ... conn.write_all(&v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 123 | let _ = conn.write_all(&v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:124:33 [INFO] [stdout] | [INFO] [stdout] 124 | ... conn.flush(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 124 | let _ = conn.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `Command { std: "docker" "inspect" "805651501e0596093c6063dde2abe01820ab0159784f2155b02d92bbe17e09a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "805651501e0596093c6063dde2abe01820ab0159784f2155b02d92bbe17e09a5", kill_on_drop: false }` [INFO] [stdout] 805651501e0596093c6063dde2abe01820ab0159784f2155b02d92bbe17e09a5 [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] aabbddfb1d3cb153df162540f431475887aee56414ce54aad1dfdeaf734e318d [INFO] running `Command { std: "docker" "start" "-a" "aabbddfb1d3cb153df162540f431475887aee56414ce54aad1dfdeaf734e318d", kill_on_drop: false }` [INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `log4rs` dependency) [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/lib.rs:111:36 [INFO] [stderr] | [INFO] [stderr] 111 | std::thread::spawn(move || 'outer: loop { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `addr` is never read [INFO] [stderr] --> src/lib.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub struct SyslogAppender { [INFO] [stderr] | -------------- field in this struct [INFO] [stderr] 47 | addr: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `SyslogAppender` has a derived impl for the trait `Debug`, 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: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:123:33 [INFO] [stderr] | [INFO] [stderr] 123 | ... conn.write_all(&v); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 123 | let _ = conn.write_all(&v); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:124:33 [INFO] [stderr] | [INFO] [stderr] 124 | ... conn.flush(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 124 | let _ = conn.flush(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `log4rs-syslog-net` (lib) generated 4 warnings [INFO] [stderr] warning: `log4rs-syslog-net` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/log4rs_syslog_net-6562d902b28bb73e) [INFO] [stdout] [INFO] [stderr] Doc-tests log4rs_syslog_net [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] [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" "aabbddfb1d3cb153df162540f431475887aee56414ce54aad1dfdeaf734e318d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aabbddfb1d3cb153df162540f431475887aee56414ce54aad1dfdeaf734e318d", kill_on_drop: false }` [INFO] [stdout] aabbddfb1d3cb153df162540f431475887aee56414ce54aad1dfdeaf734e318d