[INFO] fetching crate log4rs-syslog-net 0.2.2...
[INFO] fixing log4rs-syslog-net-0.2.2 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate log4rs-syslog-net 0.2.2 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate log4rs-syslog-net 0.2.2 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `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: `log4rs-syslog-net` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b21a9c4f46c76dedaed02dffc107830dc37dbc6e23e4b2ac64d7e000ed8d5c52
[INFO] running `Command { std: "docker" "start" "b21a9c4f46c76dedaed02dffc107830dc37dbc6e23e4b2ac64d7e000ed8d5c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b21a9c4f46c76dedaed02dffc107830dc37dbc6e23e4b2ac64d7e000ed8d5c52" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b21a9c4f46c76dedaed02dffc107830dc37dbc6e23e4b2ac64d7e000ed8d5c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b21a9c4f46c76dedaed02dffc107830dc37dbc6e23e4b2ac64d7e000ed8d5c52" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] warning: Cargo.toml: `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: `log4rs-syslog-net` (manifest) generated 1 warning
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking log4rs v0.13.0
[INFO] [stderr]     Checking log4rs-syslog-net v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] [stderr] crater-edition-check: log4rs-syslog-net v0.2.2 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr] warning: Cargo.toml: `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: `log4rs-syslog-net` (manifest) generated 1 warning
[INFO] [stderr]     Checking 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: 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] [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 5.84s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] warning: Cargo.toml: `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: `log4rs-syslog-net` (manifest) generated 1 warning
[INFO] [stderr]     Checking log4rs-syslog-net v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.26s
[INFO] [stderr] crater-edition-check: log4rs-syslog-net v0.2.2 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr] error: failed to parse manifest at `/opt/rustwide/workdir/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   `default_features` is unsupported as of the 2024 edition; instead use `default-features`
[INFO] [stderr]   (in the `log4rs` dependency)
[INFO] running `Command { std: "docker" "inspect" "b21a9c4f46c76dedaed02dffc107830dc37dbc6e23e4b2ac64d7e000ed8d5c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21a9c4f46c76dedaed02dffc107830dc37dbc6e23e4b2ac64d7e000ed8d5c52", kill_on_drop: false }`
[INFO] [stdout] b21a9c4f46c76dedaed02dffc107830dc37dbc6e23e4b2ac64d7e000ed8d5c52
