[INFO] fetching crate log4rs-syslog-net 0.2.2...
[INFO] testing log4rs-syslog-net-0.2.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate log4rs-syslog-net 0.2.2 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate log4rs-syslog-net 0.2.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-69/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log4rs v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76b2c564ff1d1daac68f24c70200478d07d4539ed3c1527789fe89f9689f3cb1
[INFO] running `Command { std: "docker" "start" "-a" "76b2c564ff1d1daac68f24c70200478d07d4539ed3c1527789fe89f9689f3cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76b2c564ff1d1daac68f24c70200478d07d4539ed3c1527789fe89f9689f3cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b2c564ff1d1daac68f24c70200478d07d4539ed3c1527789fe89f9689f3cb1", kill_on_drop: false }`
[INFO] [stdout] 76b2c564ff1d1daac68f24c70200478d07d4539ed3c1527789fe89f9689f3cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8ca65285b8ae5834f82497ce389aa23ec5f74438a9b70dac2f1125ae9ec5ba4
[INFO] running `Command { std: "docker" "start" "-a" "d8ca65285b8ae5834f82497ce389aa23ec5f74438a9b70dac2f1125ae9ec5ba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling arc-swap v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling chrono v0.4.19
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `addr`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     addr: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SyslogAppender` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "d8ca65285b8ae5834f82497ce389aa23ec5f74438a9b70dac2f1125ae9ec5ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ca65285b8ae5834f82497ce389aa23ec5f74438a9b70dac2f1125ae9ec5ba4", kill_on_drop: false }`
[INFO] [stdout] d8ca65285b8ae5834f82497ce389aa23ec5f74438a9b70dac2f1125ae9ec5ba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbdd2c6bef6d660c306652aaba595378c030549cd1cd2c082575078cdb4d3bbd
[INFO] running `Command { std: "docker" "start" "-a" "cbdd2c6bef6d660c306652aaba595378c030549cd1cd2c082575078cdb4d3bbd", kill_on_drop: false }`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `addr`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     addr: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SyslogAppender` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `addr`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     addr: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SyslogAppender` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "cbdd2c6bef6d660c306652aaba595378c030549cd1cd2c082575078cdb4d3bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdd2c6bef6d660c306652aaba595378c030549cd1cd2c082575078cdb4d3bbd", kill_on_drop: false }`
[INFO] [stdout] cbdd2c6bef6d660c306652aaba595378c030549cd1cd2c082575078cdb4d3bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ac26d482fb8991e6846f5b94e53274ec4577eeb7e28209fbe20246c9b88f841
[INFO] running `Command { std: "docker" "start" "-a" "8ac26d482fb8991e6846f5b94e53274ec4577eeb7e28209fbe20246c9b88f841", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `addr`
[INFO] [stderr]   --> src/lib.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     addr: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `SyslogAppender` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lib.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[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 [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/log4rs_syslog_net-ae14d04709fa3f4c)
[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 log4rs-syslog-net
[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" "8ac26d482fb8991e6846f5b94e53274ec4577eeb7e28209fbe20246c9b88f841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac26d482fb8991e6846f5b94e53274ec4577eeb7e28209fbe20246c9b88f841", kill_on_drop: false }`
[INFO] [stdout] 8ac26d482fb8991e6846f5b94e53274ec4577eeb7e28209fbe20246c9b88f841