[INFO] fetching crate latency_trace 0.6.0...
[INFO] testing latency_trace-0.6.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate latency_trace 0.6.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate latency_trace 0.6.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3
[INFO] running `Command { std: "docker" "start" "65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3", 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" "65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.3
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling thread_local_collect v1.0.0
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling sha2 v0.10.8
[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 `release` profile [optimized] target(s) in 17.33s
[INFO] running `Command { std: "docker" "inspect" "65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[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]    Compiling latency_trace v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `tokio` in this scope
[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]: cannot find module or crate `tokio` in this scope
[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]: cannot find module or crate `tokio` in this scope
[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[E0433]: cannot find module or crate `tokio` in this scope
[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] 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[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] 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] [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] 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] 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] [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] running `Command { std: "docker" "inspect" "65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3", kill_on_drop: false }`
[INFO] [stdout] 65e252a2a15cbe14b2d37d87790ecab65010f80c609715894f5e91f658859eb3
