[INFO] fetching crate ogawa-rs 0.2.0...
[INFO] testing ogawa-rs-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ogawa-rs 0.2.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate ogawa-rs 0.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ogawa-rs 0.2.0
[INFO] finished tweaking crates.io crate ogawa-rs 0.2.0
[INFO] tweaked toml for crates.io crate ogawa-rs 0.2.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded system_error v0.1.1
[INFO] [stderr]   Downloaded vmap v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10aec406fe46450b248e44b3442660e4fd8862e143935937b945df309065ea4e
[INFO] running `Command { std: "docker" "start" "-a" "10aec406fe46450b248e44b3442660e4fd8862e143935937b945df309065ea4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10aec406fe46450b248e44b3442660e4fd8862e143935937b945df309065ea4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10aec406fe46450b248e44b3442660e4fd8862e143935937b945df309065ea4e", kill_on_drop: false }`
[INFO] [stdout] 10aec406fe46450b248e44b3442660e4fd8862e143935937b945df309065ea4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ff4928eab93c9ebddf2943ac9d465f53b6e68fec4cfd62d884210a2e853886
[INFO] running `Command { std: "docker" "start" "-a" "71ff4928eab93c9ebddf2943ac9d465f53b6e68fec4cfd62d884210a2e853886", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling system_error v0.1.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling vmap v0.4.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling ogawa-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `num_samples_per_cycle`
[INFO] [stdout]   --> src/time_sampling.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     num_samples_per_cycle: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time_per_cycle`
[INFO] [stdout]   --> src/time_sampling.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     time_per_cycle: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sampling_type`
[INFO] [stdout]   --> src/time_sampling.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     sampling_type: TimeSamplingType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `samples`
[INFO] [stdout]   --> src/time_sampling.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     samples: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "71ff4928eab93c9ebddf2943ac9d465f53b6e68fec4cfd62d884210a2e853886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ff4928eab93c9ebddf2943ac9d465f53b6e68fec4cfd62d884210a2e853886", kill_on_drop: false }`
[INFO] [stdout] 71ff4928eab93c9ebddf2943ac9d465f53b6e68fec4cfd62d884210a2e853886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11252744a6c17806a821c93b732c24f834e4b677c661e48774daab69a4d5e35c
[INFO] running `Command { std: "docker" "start" "-a" "11252744a6c17806a821c93b732c24f834e4b677c661e48774daab69a4d5e35c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ogawa-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `num_samples_per_cycle`
[INFO] [stdout]   --> src/time_sampling.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     num_samples_per_cycle: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time_per_cycle`
[INFO] [stdout]   --> src/time_sampling.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     time_per_cycle: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sampling_type`
[INFO] [stdout]   --> src/time_sampling.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     sampling_type: TimeSamplingType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `samples`
[INFO] [stdout]   --> src/time_sampling.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     samples: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_samples_per_cycle`
[INFO] [stdout]   --> src/time_sampling.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     num_samples_per_cycle: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time_per_cycle`
[INFO] [stdout]   --> src/time_sampling.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     time_per_cycle: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sampling_type`
[INFO] [stdout]   --> src/time_sampling.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     sampling_type: TimeSamplingType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `samples`
[INFO] [stdout]   --> src/time_sampling.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     samples: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "11252744a6c17806a821c93b732c24f834e4b677c661e48774daab69a4d5e35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11252744a6c17806a821c93b732c24f834e4b677c661e48774daab69a4d5e35c", kill_on_drop: false }`
[INFO] [stdout] 11252744a6c17806a821c93b732c24f834e4b677c661e48774daab69a4d5e35c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d104a3fc1c0df0b8e68e93b5214e15def1f997f458ca00d8ccbe9b688c66f471
[INFO] running `Command { std: "docker" "start" "-a" "d104a3fc1c0df0b8e68e93b5214e15def1f997f458ca00d8ccbe9b688c66f471", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `num_samples_per_cycle`
[INFO] [stderr]   --> src/time_sampling.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     num_samples_per_cycle: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `time_per_cycle`
[INFO] [stderr]   --> src/time_sampling.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     time_per_cycle: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sampling_type`
[INFO] [stderr]   --> src/time_sampling.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     sampling_type: TimeSamplingType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `samples`
[INFO] [stderr]   --> src/time_sampling.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     samples: Vec<f64>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ogawa-rs` (lib) generated 4 warnings
[INFO] [stderr] warning: `ogawa-rs` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ogawa_rs-22966c18c36abaf4)
[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 ogawa-rs
[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" "d104a3fc1c0df0b8e68e93b5214e15def1f997f458ca00d8ccbe9b688c66f471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d104a3fc1c0df0b8e68e93b5214e15def1f997f458ca00d8ccbe9b688c66f471", kill_on_drop: false }`
[INFO] [stdout] d104a3fc1c0df0b8e68e93b5214e15def1f997f458ca00d8ccbe9b688c66f471