[INFO] fetching crate asyncute 0.1.3...
[INFO] checking asyncute-0.1.3 against 5f93549e108157f071a34f220b74b25690496aa1 for pr-162986
[INFO] extracting crate asyncute 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate asyncute 0.1.3
[INFO] finished tweaking crates.io crate asyncute 0.1.3
[INFO] tweaked toml for crates.io crate asyncute 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate asyncute 0.1.3 on toolchain 5f93549e108157f071a34f220b74b25690496aa1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f93549e108157f071a34f220b74b25690496aa1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate asyncute 0.1.3 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" "+5f93549e108157f071a34f220b74b25690496aa1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] df5f9b95b684875c6d10dc201857246be0f0e981eaed2e08d8afece4938c6062
[INFO] running `Command { std: "docker" "start" "df5f9b95b684875c6d10dc201857246be0f0e981eaed2e08d8afece4938c6062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df5f9b95b684875c6d10dc201857246be0f0e981eaed2e08d8afece4938c6062", 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" "df5f9b95b684875c6d10dc201857246be0f0e981eaed2e08d8afece4938c6062" "/opt/rustwide/cargo-home/bin/cargo" "+5f93549e108157f071a34f220b74b25690496aa1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df5f9b95b684875c6d10dc201857246be0f0e981eaed2e08d8afece4938c6062", 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" "df5f9b95b684875c6d10dc201857246be0f0e981eaed2e08d8afece4938c6062" "/opt/rustwide/cargo-home/bin/cargo" "+5f93549e108157f071a34f220b74b25690496aa1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `crate::Arc`
[INFO] [stdout]  --> src/util/atom.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stdout] warning: field `nice` is never read
[INFO] [stdout]   --> src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct TaskInfoInner {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     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:1195:9
[INFO] [stdout]      |
[INFO] [stdout] 1192 |     struct WrappedFuture<T, F: Future<Output=T>> {
[INFO] [stdout]      |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1195 |         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::Arc`
[INFO] [stdout]  --> src/util/atom.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::Arc;
[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:139:39
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 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:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         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:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         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:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |         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:72:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct TaskInfoInner {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     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:1195:9
[INFO] [stdout]      |
[INFO] [stdout] 1192 |     struct WrappedFuture<T, F: Future<Output=T>> {
[INFO] [stdout]      |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1195 |         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:184:12
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl IO {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 184 |     pub fn network_web_scanner(&mut self) -> (Ops, f64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/util/atom.rs:444:21
[INFO] [stdout]     |
[INFO] [stdout] 444 | /                     a.update(|n| {
[INFO] [stdout] 445 | |                         eprintln!("n={:?}", n.as_deref());
[INFO] [stdout] 446 | |                         if false {
[INFO] [stdout] 447 | |                             return Err(());
[INFO] [stdout] 448 | |                         }
[INFO] [stdout] 449 | |                         Ok(n.map(|n| { (*n) + i + 1 }).map(sdd::Shared::new))
[INFO] [stdout] 450 | |                     });
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 444 |                     let _unused = a.update(|n| {
[INFO] [stdout]     |                     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "df5f9b95b684875c6d10dc201857246be0f0e981eaed2e08d8afece4938c6062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5f9b95b684875c6d10dc201857246be0f0e981eaed2e08d8afece4938c6062", kill_on_drop: false }`
[INFO] [stdout] df5f9b95b684875c6d10dc201857246be0f0e981eaed2e08d8afece4938c6062