[INFO] cloning repository https://github.com/ry/sokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ry/sokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fry%2Fsokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fry%2Fsokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7339dfad57ac37b8e4d4d96345e822a5ac861603
[INFO] checking ry/sokio against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fry%2Fsokio" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ry/sokio on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ry/sokio
[INFO] finished tweaking git repo https://github.com/ry/sokio
[INFO] tweaked toml for git repo https://github.com/ry/sokio written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ry/sokio 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa421155ab2ca9f3ecbd647953726e2cbc77428f9ef1dc667b51c40e4e64be59
[INFO] running `Command { std: "docker" "start" "-a" "fa421155ab2ca9f3ecbd647953726e2cbc77428f9ef1dc667b51c40e4e64be59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa421155ab2ca9f3ecbd647953726e2cbc77428f9ef1dc667b51c40e4e64be59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa421155ab2ca9f3ecbd647953726e2cbc77428f9ef1dc667b51c40e4e64be59", kill_on_drop: false }`
[INFO] [stdout] fa421155ab2ca9f3ecbd647953726e2cbc77428f9ef1dc667b51c40e4e64be59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba357f3b05bd772570ca4618c568f15ae4cfd7e650943562b546b666fea9df4b
[INFO] running `Command { std: "docker" "start" "-a" "ba357f3b05bd772570ca4618c568f15ae4cfd7e650943562b546b666fea9df4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mio::Interest`
[INFO] [stdout]  --> src/sokio.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mio::Interest;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mio::Interest`
[INFO] [stdout]  --> src/sokio.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mio::Interest;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/sokio.rs:77:34
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub async fn read(&mut self, buf: &[u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/sokio.rs:80:39
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub async fn write_all(&mut self, buf: &[u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `future`
[INFO] [stdout]  --> src/sokio.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn spawn<T: 'static>(future: impl Future<Output = T> + 'static) {
[INFO] [stdout]   |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/sokio.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for event in &events {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/sokio.rs:77:34
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub async fn read(&mut self, buf: &[u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/sokio.rs:80:39
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub async fn write_all(&mut self, buf: &[u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `future`
[INFO] [stdout]  --> src/sokio.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn spawn<T: 'static>(future: impl Future<Output = T> + 'static) {
[INFO] [stdout]   |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/sokio.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for event in &events {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.92s
[INFO] running `Command { std: "docker" "inspect" "ba357f3b05bd772570ca4618c568f15ae4cfd7e650943562b546b666fea9df4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba357f3b05bd772570ca4618c568f15ae4cfd7e650943562b546b666fea9df4b", kill_on_drop: false }`
[INFO] [stdout] ba357f3b05bd772570ca4618c568f15ae4cfd7e650943562b546b666fea9df4b