[INFO] fetching crate quiceh 2.0.4...
[INFO] checking quiceh-2.0.4 against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] extracting crate quiceh 2.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate quiceh 2.0.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate quiceh 2.0.4
[INFO] tweaked toml for crates.io crate quiceh 2.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate quiceh 2.0.4 on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate quiceh 2.0.4 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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] 025ebc5402be4fe72983ea83dc9485ac76b9a45a1a34a64e44e49876f1b23185
[INFO] running `Command { std: "docker" "start" "-a" "025ebc5402be4fe72983ea83dc9485ac76b9a45a1a34a64e44e49876f1b23185", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `BenchBufFactory` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct BenchBufFactory;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BenchBuf` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BenchBuf(Arc<Box<[u8]>>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BenchBufFactory` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct BenchBufFactory;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BenchBuf` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BenchBuf(Arc<Box<[u8]>>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BenchBufFactory` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct BenchBufFactory;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BenchBuf` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BenchBuf(Arc<Box<[u8]>>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BenchBufFactory` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct BenchBufFactory;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BenchBuf` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BenchBuf(Arc<Box<[u8]>>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NANOS_PER_SEC` is never used
[INFO] [stdout]   --> benches/bench_util.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const NANOS_PER_SEC: u64 = 1_000_000_000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CPUTime` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct CPUTime;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DurationFormatter` is never constructed
[INFO] [stdout]   --> benches/bench_util.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct DurationFormatter;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bytes_per_second` and `elements_per_second` are never used
[INFO] [stdout]    --> benches/bench_util.rs:86:8
[INFO] [stdout]     |
[INFO] [stdout]  85 | impl DurationFormatter {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout]  86 |     fn bytes_per_second(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn elements_per_second(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 59s
[INFO] running `Command { std: "docker" "inspect" "025ebc5402be4fe72983ea83dc9485ac76b9a45a1a34a64e44e49876f1b23185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025ebc5402be4fe72983ea83dc9485ac76b9a45a1a34a64e44e49876f1b23185", kill_on_drop: false }`
[INFO] [stdout] 025ebc5402be4fe72983ea83dc9485ac76b9a45a1a34a64e44e49876f1b23185