[INFO] fetching crate asyncute 0.1.0...
[INFO] checking asyncute-0.1.0 against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] extracting crate asyncute 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate asyncute 0.1.0
[INFO] finished tweaking crates.io crate asyncute 0.1.0
[INFO] tweaked toml for crates.io crate asyncute 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate asyncute 0.1.0 on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate asyncute 0.1.0 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `asyncute` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 074e489ad93bb4cd34618e2e997b92278714a432187a23ee3574d639bed29383
[INFO] running `Command { std: "docker" "start" "074e489ad93bb4cd34618e2e997b92278714a432187a23ee3574d639bed29383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "074e489ad93bb4cd34618e2e997b92278714a432187a23ee3574d639bed29383", 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" "074e489ad93bb4cd34618e2e997b92278714a432187a23ee3574d639bed29383" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "074e489ad93bb4cd34618e2e997b92278714a432187a23ee3574d639bed29383", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "074e489ad93bb4cd34618e2e997b92278714a432187a23ee3574d639bed29383" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `asyncute` (manifest) generated 1 warning
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[INFO] [stdout] warning: unused import: `crate`
[INFO] [stdout]  --> src/util.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::*;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nice` is never read
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct TaskInfoInner {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 71 |     nice: i8, // TODO unimplemented
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TaskInfoInner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]     --> src/lib.rs:1189:9
[INFO] [stdout]      |
[INFO] [stdout] 1186 |     struct WrappedFuture<T, F: Future<Output=T>> {
[INFO] [stdout]      |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1189 |         id: TaskId,
[INFO] [stdout]      |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.6.0
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]  --> benches/asyncute.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let _ = black_box(smol::block_on(black_box(asyncute::spawn(black_box(async {
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:25:46
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let _ = black_box(smol::block_on(black_box(asyncute::spawn(black_box(async {
[INFO] [stdout]    |                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:25:72
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let _ = black_box(smol::block_on(black_box(asyncute::spawn(black_box(async {
[INFO] [stdout]    |                                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 black_box(1);
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let _ = black_box(smol::block_on(black_box(asyncute::spawn(black_box(async {
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let _ = black_box(smol::block_on(black_box(asyncute::spawn(black_box(async {
[INFO] [stdout]    |                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:33:72
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let _ = black_box(smol::block_on(black_box(asyncute::spawn(black_box(async {
[INFO] [stdout]    |                                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 black_box(find_machine_e(black_box(|_| {
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:36:42
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 black_box(find_machine_e(black_box(|_| {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let _ = black_box(asyncute::ExecutorStatus::new());
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let _ = black_box(asyncute::ExecutorStatus::current());
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/asyncute.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let _ = black_box(status.update());
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]  --> src/util.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip6`
[INFO] [stdout]    --> src/tests/cpu/mod.rs:383:24
[INFO] [stdout]     |
[INFO] [stdout] 383 |             IpAddr::V6(ip6) => {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ip6`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip6`
[INFO] [stdout]    --> src/tests/cpu/mod.rs:448:24
[INFO] [stdout]     |
[INFO] [stdout] 448 |             IpAddr::V6(ip6) => {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ip6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip6`
[INFO] [stdout]    --> src/tests/cpu/mod.rs:462:24
[INFO] [stdout]     |
[INFO] [stdout] 462 |             IpAddr::V6(ip6) => {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ip6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip6`
[INFO] [stdout]    --> src/tests/cpu/mod.rs:475:24
[INFO] [stdout]     |
[INFO] [stdout] 475 |             IpAddr::V6(ip6) => {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ip6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]    --> src/tests/io/mod.rs:142:39
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 if let Some(Ok((conn, peer))) = tcp.accept().timeout(Duration::from_secs(1)).await {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_task`
[INFO] [stdout]   --> src/tests/io/mod.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let server_task = (spawn)({
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_task`
[INFO] [stdout]    --> src/tests/io/mod.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let client_task = (spawn)({ let spawn = spawn.clone(); Box::pin(async move {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spawn`
[INFO] [stdout]    --> src/tests/io/mod.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let spawn = self.spawn.as_mut().unwrap();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_spawn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/tests/test.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         for i in 0..20u8 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nice` is never read
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct TaskInfoInner {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 71 |     nice: i8, // TODO unimplemented
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TaskInfoInner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]     --> src/lib.rs:1189:9
[INFO] [stdout]      |
[INFO] [stdout] 1186 |     struct WrappedFuture<T, F: Future<Output=T>> {
[INFO] [stdout]      |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1189 |         id: TaskId,
[INFO] [stdout]      |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_primes_in_worse_method` is never used
[INFO] [stdout]  --> src/tests/cpu/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn find_primes_in_worse_method(mut cb: impl FnMut(u128) -> bool) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_machine_e` is never used
[INFO] [stdout]   --> src/tests/cpu/mod.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn find_machine_e(mut cb: impl FnMut(f64) -> bool) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Ip` is never used
[INFO] [stdout]   --> src/tests/cpu/mod.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub trait Ip: Sized {
[INFO] [stdout]    |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IP` is never constructed
[INFO] [stdout]    --> src/tests/cpu/mod.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub struct IP(IpAddr);
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IpAddrExt` is never used
[INFO] [stdout]    --> src/tests/cpu/mod.rs:189:11
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub trait IpAddrExt: Ip {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `network_web_scanner` is never used
[INFO] [stdout]    --> src/tests/io/mod.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | impl IO {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn network_web_scanner(&mut self) -> (Ops, f64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 49.16s
[INFO] running `Command { std: "docker" "inspect" "074e489ad93bb4cd34618e2e997b92278714a432187a23ee3574d639bed29383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074e489ad93bb4cd34618e2e997b92278714a432187a23ee3574d639bed29383", kill_on_drop: false }`
[INFO] [stdout] 074e489ad93bb4cd34618e2e997b92278714a432187a23ee3574d639bed29383
