[INFO] fetching crate latency_trace 0.6.0...
[INFO] testing latency_trace-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate latency_trace 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate latency_trace 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate latency_trace 0.6.0
[INFO] tweaked toml for crates.io crate latency_trace 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate latency_trace 0.6.0 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] crate crates.io crate latency_trace 0.6.0 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" "+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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 10afcd7b37c70b9475510380d75632d4931f26602a4cf9692910fb84b8d67c5d
[INFO] running `Command { std: "docker" "start" "-a" "10afcd7b37c70b9475510380d75632d4931f26602a4cf9692910fb84b8d67c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10afcd7b37c70b9475510380d75632d4931f26602a4cf9692910fb84b8d67c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10afcd7b37c70b9475510380d75632d4931f26602a4cf9692910fb84b8d67c5d", kill_on_drop: false }`
[INFO] [stdout] 10afcd7b37c70b9475510380d75632d4931f26602a4cf9692910fb84b8d67c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 91edcc7c1b9c3e6c8939e1c42103e18934334d9aba2bb9c640a013aed4845d30
[INFO] running `Command { std: "docker" "start" "-a" "91edcc7c1b9c3e6c8939e1c42103e18934334d9aba2bb9c640a013aed4845d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.3
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling thread_local_collect v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling latency_trace v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/span_groupers.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .filter(|(k, _)| (given_names.contains(*k)))
[INFO] [stdout]    |                              ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .filter(|(k, _)| (given_names.contains(*k)))
[INFO] [stdout] 48 +             .filter(|(k, _)| given_names.contains(*k))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "91edcc7c1b9c3e6c8939e1c42103e18934334d9aba2bb9c640a013aed4845d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91edcc7c1b9c3e6c8939e1c42103e18934334d9aba2bb9c640a013aed4845d30", kill_on_drop: false }`
[INFO] [stdout] 91edcc7c1b9c3e6c8939e1c42103e18934334d9aba2bb9c640a013aed4845d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 508a6a30c968ae259853c8ffb9e9ed148f9a6878ac204f568dd44305e2d22baf
[INFO] running `Command { std: "docker" "start" "-a" "508a6a30c968ae259853c8ffb9e9ed148f9a6878ac204f568dd44305e2d22baf", kill_on_drop: false }`
[INFO] [stderr]    Compiling latency_trace v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/span_groupers.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .filter(|(k, _)| (given_names.contains(*k)))
[INFO] [stdout]    |                              ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .filter(|(k, _)| (given_names.contains(*k)))
[INFO] [stdout] 48 +             .filter(|(k, _)| given_names.contains(*k))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> examples/doc_async.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             tokio::time::sleep(Duration::from_micros(1200)).await;
[INFO] [stdout]    |             ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> examples/doc_async_probed.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             tokio::time::sleep(Duration::from_micros(1200)).await;
[INFO] [stdout]    |             ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> examples/doc_async.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     tokio::time::sleep(Duration::from_micros(800)).await;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]   --> examples/doc_async_probed.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     tokio::time::sleep(Duration::from_micros(800)).await;
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `measure_latencies_tokio` found for struct `LatencyTrace` in the current scope
[INFO] [stdout]   --> examples/doc_async.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |       let latencies = LatencyTrace::activated_default()
[INFO] [stdout]    |  _____________________-
[INFO] [stdout] 29 | |         .unwrap()
[INFO] [stdout] 30 | |         .measure_latencies_tokio(f);
[INFO] [stdout]    | |_________-^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `measure_latencies` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 30 -         .measure_latencies_tokio(f);
[INFO] [stdout] 30 +         .measure_latencies(f);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `measure_latencies_probed_tokio` found for struct `LatencyTrace` in the current scope
[INFO] [stdout]   --> examples/doc_async_probed.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |       let probed = LatencyTrace::activated_default()
[INFO] [stdout]    |  __________________-
[INFO] [stdout] 29 | |         .unwrap()
[INFO] [stdout] 30 | |         .measure_latencies_probed_tokio(f)
[INFO] [stdout]    | |_________-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `measure_latencies_probed` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 30 -         .measure_latencies_probed_tokio(f)
[INFO] [stdout] 30 +         .measure_latencies_probed(f)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `latency_trace` (example "doc_async") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `latency_trace` (example "doc_async_probed") due to 3 previous errors
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/span_groupers.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .filter(|(k, _)| (given_names.contains(*k)))
[INFO] [stdout]    |                              ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .filter(|(k, _)| (given_names.contains(*k)))
[INFO] [stdout] 48 +             .filter(|(k, _)| given_names.contains(*k))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "508a6a30c968ae259853c8ffb9e9ed148f9a6878ac204f568dd44305e2d22baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508a6a30c968ae259853c8ffb9e9ed148f9a6878ac204f568dd44305e2d22baf", kill_on_drop: false }`
[INFO] [stdout] 508a6a30c968ae259853c8ffb9e9ed148f9a6878ac204f568dd44305e2d22baf
