[INFO] fetching crate ogawa-rs 0.2.0...
[INFO] checking ogawa-rs-0.2.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate ogawa-rs 0.2.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate ogawa-rs 0.2.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d6eb6c9b7c8136d1420ebabf75a558997ab978839f30e8f52f9bfd9c262a898
[INFO] running `Command { std: "docker" "start" "-a" "4d6eb6c9b7c8136d1420ebabf75a558997ab978839f30e8f52f9bfd9c262a898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d6eb6c9b7c8136d1420ebabf75a558997ab978839f30e8f52f9bfd9c262a898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6eb6c9b7c8136d1420ebabf75a558997ab978839f30e8f52f9bfd9c262a898", kill_on_drop: false }`
[INFO] [stdout] 4d6eb6c9b7c8136d1420ebabf75a558997ab978839f30e8f52f9bfd9c262a898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e275a2aa47fbc6764c62686099b4302b29969e1aafa7faea350189848b447d54
[INFO] running `Command { std: "docker" "start" "-a" "e275a2aa47fbc6764c62686099b4302b29969e1aafa7faea350189848b447d54", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking system_error v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking vmap v0.4.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking 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 dev [unoptimized + debuginfo] target(s) in 9.84s
[INFO] running `Command { std: "docker" "inspect" "e275a2aa47fbc6764c62686099b4302b29969e1aafa7faea350189848b447d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e275a2aa47fbc6764c62686099b4302b29969e1aafa7faea350189848b447d54", kill_on_drop: false }`
[INFO] [stdout] e275a2aa47fbc6764c62686099b4302b29969e1aafa7faea350189848b447d54