[INFO] cloning repository https://github.com/jason-ni/tunnel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jason-ni/tunnel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjason-ni%2Ftunnel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjason-ni%2Ftunnel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 80052b57f3251fccc40458f624d8a00c5e424500 [INFO] checking jason-ni/tunnel against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjason-ni%2Ftunnel" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jason-ni/tunnel on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jason-ni/tunnel [INFO] finished tweaking git repo https://github.com/jason-ni/tunnel [INFO] tweaked toml for git repo https://github.com/jason-ni/tunnel written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jason-ni/tunnel 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-fd v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0512358d5ff042c8788720ec9ba25ba2bfb080fb85ce83513ca88c5d15d54fe4 [INFO] running `Command { std: "docker" "start" "-a" "0512358d5ff042c8788720ec9ba25ba2bfb080fb85ce83513ca88c5d15d54fe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0512358d5ff042c8788720ec9ba25ba2bfb080fb85ce83513ca88c5d15d54fe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0512358d5ff042c8788720ec9ba25ba2bfb080fb85ce83513ca88c5d15d54fe4", kill_on_drop: false }` [INFO] [stdout] 0512358d5ff042c8788720ec9ba25ba2bfb080fb85ce83513ca88c5d15d54fe4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6b84abfb939837261755e781feeb785e8311aebd037825c0238183b620aa608 [INFO] running `Command { std: "docker" "start" "-a" "a6b84abfb939837261755e781feeb785e8311aebd037825c0238183b620aa608", kill_on_drop: false }` [INFO] [stderr] Compiling tunnel v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking tokio-fd v0.3.0 [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncWrite`, `WriteHalf` [INFO] [stdout] --> src/main.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWrite, AsyncWriteExt, ReadHalf, WriteHalf}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncWrite`, `WriteHalf` [INFO] [stdout] --> src/main.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWrite, AsyncWriteExt, ReadHalf, WriteHalf}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | async fn write(mut wfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | async fn write(mut wfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `afd1_wh` [INFO] [stdout] --> src/main.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_afd1_wh` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `afd1_wh` [INFO] [stdout] --> src/main.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_afd1_wh` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | let (mut fd1, mut fd2) = pipe2(OFlag::O_CLOEXEC | OFlag::O_NONBLOCK)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | let (mut fd1, mut fd2) = pipe2(OFlag::O_CLOEXEC | OFlag::O_NONBLOCK)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | let (mut fd1, mut fd2) = pipe2(OFlag::O_CLOEXEC | OFlag::O_NONBLOCK)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | let (mut fd1, mut fd2) = pipe2(OFlag::O_CLOEXEC | OFlag::O_NONBLOCK)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut afd1 = AsyncFd::try_from(fd1)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut afd1 = AsyncFd::try_from(fd1)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:47:10 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:47:10 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:47:23 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:47:23 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write` is never used [INFO] [stdout] --> src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | async fn write(mut wfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_in_another_thread` is never used [INFO] [stdout] --> src/main.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn write_in_another_thread(fd: RawFd) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write` is never used [INFO] [stdout] --> src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | async fn write(mut wfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_in_another_thread` is never used [INFO] [stdout] --> src/main.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn write_in_another_thread(fd: RawFd) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s [INFO] running `Command { std: "docker" "inspect" "a6b84abfb939837261755e781feeb785e8311aebd037825c0238183b620aa608", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6b84abfb939837261755e781feeb785e8311aebd037825c0238183b620aa608", kill_on_drop: false }` [INFO] [stdout] a6b84abfb939837261755e781feeb785e8311aebd037825c0238183b620aa608 [INFO] checking jason-ni/tunnel against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjason-ni%2Ftunnel" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jason-ni/tunnel on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jason-ni/tunnel [INFO] finished tweaking git repo https://github.com/jason-ni/tunnel [INFO] tweaked toml for git repo https://github.com/jason-ni/tunnel written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jason-ni/tunnel 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33eff7a4bd4104d495d49b6b3511a8e7a3b88c4dd67853a7725c693f24a6b8d8 [INFO] running `Command { std: "docker" "start" "-a" "33eff7a4bd4104d495d49b6b3511a8e7a3b88c4dd67853a7725c693f24a6b8d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33eff7a4bd4104d495d49b6b3511a8e7a3b88c4dd67853a7725c693f24a6b8d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33eff7a4bd4104d495d49b6b3511a8e7a3b88c4dd67853a7725c693f24a6b8d8", kill_on_drop: false }` [INFO] [stdout] 33eff7a4bd4104d495d49b6b3511a8e7a3b88c4dd67853a7725c693f24a6b8d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e91c2aa58a0e928217ea2bebeff42a77c5986aed1e0344f7ee2353f223b89ae7 [INFO] running `Command { std: "docker" "start" "-a" "e91c2aa58a0e928217ea2bebeff42a77c5986aed1e0344f7ee2353f223b89ae7", kill_on_drop: false }` [INFO] [stderr] Compiling tunnel v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking tokio-fd v0.3.0 [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncWrite`, `WriteHalf` [INFO] [stdout] --> src/main.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWrite, AsyncWriteExt, ReadHalf, WriteHalf}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncWrite`, `WriteHalf` [INFO] [stdout] --> src/main.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWrite, AsyncWriteExt, ReadHalf, WriteHalf}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | async fn write(mut wfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `afd1_wh` [INFO] [stdout] --> src/main.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_afd1_wh` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | let (mut fd1, mut fd2) = pipe2(OFlag::O_CLOEXEC | OFlag::O_NONBLOCK)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | let (mut fd1, mut fd2) = pipe2(OFlag::O_CLOEXEC | OFlag::O_NONBLOCK)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut afd1 = AsyncFd::try_from(fd1)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:47:10 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:47:23 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | async fn write(mut wfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `afd1_wh` [INFO] [stdout] --> src/main.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_afd1_wh` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | let (mut fd1, mut fd2) = pipe2(OFlag::O_CLOEXEC | OFlag::O_NONBLOCK)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:19 [INFO] [stdout] | [INFO] [stdout] 45 | let (mut fd1, mut fd2) = pipe2(OFlag::O_CLOEXEC | OFlag::O_NONBLOCK)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut afd1 = AsyncFd::try_from(fd1)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:47:10 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:47:23 [INFO] [stdout] | [INFO] [stdout] 47 | let (mut afd1_rh, mut afd1_wh) = tokio::io::split(afd1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write` is never used [INFO] [stdout] --> src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | async fn write(mut wfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_in_another_thread` is never used [INFO] [stdout] --> src/main.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn write_in_another_thread(fd: RawFd) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write` is never used [INFO] [stdout] --> src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | async fn write(mut wfd: RawFd) -> io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_in_another_thread` is never used [INFO] [stdout] --> src/main.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn write_in_another_thread(fd: RawFd) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s [INFO] running `Command { std: "docker" "inspect" "e91c2aa58a0e928217ea2bebeff42a77c5986aed1e0344f7ee2353f223b89ae7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e91c2aa58a0e928217ea2bebeff42a77c5986aed1e0344f7ee2353f223b89ae7", kill_on_drop: false }` [INFO] [stdout] e91c2aa58a0e928217ea2bebeff42a77c5986aed1e0344f7ee2353f223b89ae7