[INFO] cloning repository https://github.com/Yapcheekian/coroutine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yapcheekian/coroutine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYapcheekian%2Fcoroutine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYapcheekian%2Fcoroutine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03e045fce0a5e8631a4abb61baa23bb0228440a6
[INFO] checking Yapcheekian/coroutine against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYapcheekian%2Fcoroutine" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yapcheekian/coroutine on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yapcheekian/coroutine
[INFO] finished tweaking git repo https://github.com/Yapcheekian/coroutine
[INFO] tweaked toml for git repo https://github.com/Yapcheekian/coroutine written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Yapcheekian/coroutine 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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f27f12dac0cc01c36b41ed738b0520e83979cbf6a0f9da725f7facac029185a7
[INFO] running `Command { std: "docker" "start" "-a" "f27f12dac0cc01c36b41ed738b0520e83979cbf6a0f9da725f7facac029185a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f27f12dac0cc01c36b41ed738b0520e83979cbf6a0f9da725f7facac029185a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27f12dac0cc01c36b41ed738b0520e83979cbf6a0f9da725f7facac029185a7", kill_on_drop: false }`
[INFO] [stdout] f27f12dac0cc01c36b41ed738b0520e83979cbf6a0f9da725f7facac029185a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b18d09b4fc1d7d904904d871f55b4714ff6180749e23d2b3f6946416b85be6
[INFO] running `Command { std: "docker" "start" "-a" "f3b18d09b4fc1d7d904904d871f55b4714ff6180749e23d2b3f6946416b85be6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking coroutine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/http.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio::{Interest, Token};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> src/runtime.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use executor::{spawn, Executor, Waker};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/http.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio::{Interest, Token};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> src/runtime.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use executor::{spawn, Executor, Waker};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "f3b18d09b4fc1d7d904904d871f55b4714ff6180749e23d2b3f6946416b85be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b18d09b4fc1d7d904904d871f55b4714ff6180749e23d2b3f6946416b85be6", kill_on_drop: false }`
[INFO] [stdout] f3b18d09b4fc1d7d904904d871f55b4714ff6180749e23d2b3f6946416b85be6