[INFO] cloning repository https://github.com/kaiyuan-li/tracing_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaiyuan-li/tracing_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaiyuan-li%2Ftracing_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaiyuan-li%2Ftracing_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb8dc58a28b76636306c714ce8d77f227c71fda4
[INFO] fixing kaiyuan-li/tracing_tutorial against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaiyuan-li%2Ftracing_tutorial" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kaiyuan-li/tracing_tutorial
[INFO] finished tweaking git repo https://github.com/kaiyuan-li/tracing_tutorial
[INFO] tweaked toml for git repo https://github.com/kaiyuan-li/tracing_tutorial written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kaiyuan-li/tracing_tutorial 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] crate git repo https://github.com/kaiyuan-li/tracing_tutorial 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.29
[INFO] [stderr]   Downloaded syn v2.0.102
[INFO] [stderr]   Downloaded cc v1.2.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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] d8af3a93d63654f367c464cbd47885473370c5b4e1718a829c9398606a016082
[INFO] running `Command { std: "docker" "start" "d8af3a93d63654f367c464cbd47885473370c5b4e1718a829c9398606a016082", 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" "d8af3a93d63654f367c464cbd47885473370c5b4e1718a829c9398606a016082" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8af3a93d63654f367c464cbd47885473370c5b4e1718a829c9398606a016082", 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" "d8af3a93d63654f367c464cbd47885473370c5b4e1718a829c9398606a016082" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tracing_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `debug`, `error`, `instrument`, `trace`, and `warn`
[INFO] [stdout]   --> examples/step6_filtering_playground.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tracing::{debug, error, info, instrument, trace, warn};
[INFO] [stdout]    |               ^^^^^  ^^^^^        ^^^^^^^^^^  ^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `step11_advanced_layer_patterns`
[INFO] [stdout]  --> examples/step11_advanced_layer_patterns.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! Step 11: Advanced Layer Patterns
[INFO] [stdout]   |                                     ^ consider adding a `main` function to `examples/step11_advanced_layer_patterns.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing_tutorial` (example "step11_advanced_layer_patterns") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> examples/step6_advanced_filtering.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 | use tracing::{debug, error, info, instrument, span, trace, warn, Level};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]    --> examples/step6_advanced_filtering.rs:458:19
[INFO] [stdout]     |
[INFO] [stdout] 458 |     use tracing::{debug, info, instrument};
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_labels` is never read
[INFO] [stdout]    --> examples/step10_custom_metrics_layer.rs:515:5
[INFO] [stdout]     |
[INFO] [stdout] 510 | struct ProductionMetricsConfig {
[INFO] [stdout]     |        ----------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 515 |     max_labels: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProductionMetricsConfig` has a derived impl for the trait `Clone`, 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: field `custom_gauges` is never read
[INFO] [stdout]    --> examples/step10_custom_metrics_layer.rs:531:5
[INFO] [stdout]     |
[INFO] [stdout] 526 | struct ProductionMetrics {
[INFO] [stdout]     |        ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 531 |     custom_gauges: HashMap<String, f64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> examples/step3_advanced_context_patterns.rs:558:5
[INFO] [stdout]     |
[INFO] [stdout] 557 | struct UserData {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 558 |     id: String,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UserData` 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] running `Command { std: "docker" "inspect" "d8af3a93d63654f367c464cbd47885473370c5b4e1718a829c9398606a016082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8af3a93d63654f367c464cbd47885473370c5b4e1718a829c9398606a016082", kill_on_drop: false }`
[INFO] [stdout] d8af3a93d63654f367c464cbd47885473370c5b4e1718a829c9398606a016082
