[INFO] cloning repository https://github.com/pleasewhy/SimpleAsyncTcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pleasewhy/SimpleAsyncTcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2FSimpleAsyncTcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2FSimpleAsyncTcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 239e5d7ac546e34db673289b2ff1ff7bc757fc99
[INFO] checking pleasewhy/SimpleAsyncTcp against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2FSimpleAsyncTcp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pleasewhy/SimpleAsyncTcp
[INFO] finished tweaking git repo https://github.com/pleasewhy/SimpleAsyncTcp
[INFO] tweaked toml for git repo https://github.com/pleasewhy/SimpleAsyncTcp written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pleasewhy/SimpleAsyncTcp on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pleasewhy/SimpleAsyncTcp 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `SimpleAsyncTcp` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../SimpleAsyncTcp
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `simple-async-tcp`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 - name = "SimpleAsyncTcp"
[INFO] [stderr] 24 + name = "simple-async-tcp"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `simple-async-tcp`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 ~ version = "0.1.0"
[INFO] [stderr] 26 + [[bin]]
[INFO] [stderr] 27 + name = "simple-async-tcp"
[INFO] [stderr] 28 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `SimpleAsyncTcp` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/sujayakar/unicycle`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.7
[INFO] [stderr]   Downloaded uniset v0.2.0
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded bit-iter v0.1.6
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded libc v0.2.106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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] 4f6d065fa265fc6c3bde05374a5b602734318bc600783f429a901044a572a2db
[INFO] running `Command { std: "docker" "start" "4f6d065fa265fc6c3bde05374a5b602734318bc600783f429a901044a572a2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6d065fa265fc6c3bde05374a5b602734318bc600783f429a901044a572a2db", 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" "4f6d065fa265fc6c3bde05374a5b602734318bc600783f429a901044a572a2db" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6d065fa265fc6c3bde05374a5b602734318bc600783f429a901044a572a2db", 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" "4f6d065fa265fc6c3bde05374a5b602734318bc600783f429a901044a572a2db" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `SimpleAsyncTcp` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../SimpleAsyncTcp
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `simple-async-tcp`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 - name = "SimpleAsyncTcp"
[INFO] [stderr] 24 + name = "simple-async-tcp"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `simple-async-tcp`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 ~ version = "0.1.0"
[INFO] [stderr] 26 + [[bin]]
[INFO] [stderr] 27 + name = "simple-async-tcp"
[INFO] [stderr] 28 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `SimpleAsyncTcp` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking uniset v0.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bit-iter v0.1.6
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking unicycle v0.6.3 (https://github.com/sujayakar/unicycle?rev=44c0e8f62cb9355cfd35ef5309abf10a4c388b62#44c0e8f6)
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking SimpleAsyncTcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lazy_static::__Deref`
[INFO] [stdout]  --> src/net/tcplisten.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lazy_static::__Deref;
[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 import: `ErrorKind`
[INFO] [stdout]  --> src/net/tcplisten.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{self, ErrorKind};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Waker`
[INFO] [stdout]   --> src/net/mod.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::task::{Context, Poll, Waker};
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/waker_page.rs:195:50
[INFO] [stdout]     |
[INFO] [stdout] 195 |         debug_assert!(new_refcount < std::isize::MAX as u64);
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]   --> tests/basic_tests.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let child = cmd.spawn().expect(&format!("run server failed.",));
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tests/basic_tests.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for i in 0..5 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::__Deref`
[INFO] [stdout]  --> src/net/tcplisten.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lazy_static::__Deref;
[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 import: `ErrorKind`
[INFO] [stdout]  --> src/net/tcplisten.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{self, ErrorKind};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Waker`
[INFO] [stdout]   --> src/net/mod.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::task::{Context, Poll, Waker};
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/waker_page.rs:195:50
[INFO] [stdout]     |
[INFO] [stdout] 195 |         debug_assert!(new_refcount < std::isize::MAX as u64);
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/net/mod.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let res = poll.poll(&mut es, Some(Duration::from_millis(500)));
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `register_waker` is never used
[INFO] [stdout]   --> src/net/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl EventState {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 62 |     fn register_waker(&self) {}
[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 `TimerFuture` is never constructed
[INFO] [stdout]   --> src/timer_future.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TimerFuture {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedState` is never constructed
[INFO] [stdout]   --> src/timer_future.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct SharedState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `get_mut_unchecked` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(get_mut_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/net/mod.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let res = poll.poll(&mut es, Some(Duration::from_millis(500)));
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `register_waker` is never used
[INFO] [stdout]   --> src/net/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl EventState {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 62 |     fn register_waker(&self) {}
[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 `TimerFuture` is never constructed
[INFO] [stdout]   --> src/timer_future.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TimerFuture {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedState` is never constructed
[INFO] [stdout]   --> src/timer_future.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct SharedState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `get_mut_unchecked` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(get_mut_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `byteorder`
[INFO] [stderr]  --> Cargo.toml:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | byteorder = "1.4.3"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `byteorder`
[INFO] [stderr] warning: unused dependency `thread_local`
[INFO] [stderr]  --> Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | thread_local = "1.1.3"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `thread_local`
[INFO] [stderr] warning: unused dependency `tokio`
[INFO] [stderr]   --> Cargo.toml:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | [dependencies.tokio]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `tokio`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: `SimpleAsyncTcp` (manifest) generated 3 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.59s
[INFO] running `Command { std: "docker" "inspect" "4f6d065fa265fc6c3bde05374a5b602734318bc600783f429a901044a572a2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6d065fa265fc6c3bde05374a5b602734318bc600783f429a901044a572a2db", kill_on_drop: false }`
[INFO] [stdout] 4f6d065fa265fc6c3bde05374a5b602734318bc600783f429a901044a572a2db
