[INFO] cloning repository https://github.com/ecoarchie/chat-tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ecoarchie/chat-tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecoarchie%2Fchat-tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecoarchie%2Fchat-tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42d81319de55679b890492f7649b20a2536f4f0b
[INFO] checking ecoarchie/chat-tokio against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecoarchie%2Fchat-tokio" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ecoarchie/chat-tokio 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/ecoarchie/chat-tokio
[INFO] finished tweaking git repo https://github.com/ecoarchie/chat-tokio
[INFO] tweaked toml for git repo https://github.com/ecoarchie/chat-tokio written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ecoarchie/chat-tokio 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]     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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 89b94b3962e3192bca13e66ff9cdcb577a6c7bb41938e5eb117f694b89f61b92
[INFO] running `Command { std: "docker" "start" "-a" "89b94b3962e3192bca13e66ff9cdcb577a6c7bb41938e5eb117f694b89f61b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89b94b3962e3192bca13e66ff9cdcb577a6c7bb41938e5eb117f694b89f61b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b94b3962e3192bca13e66ff9cdcb577a6c7bb41938e5eb117f694b89f61b92", kill_on_drop: false }`
[INFO] [stdout] 89b94b3962e3192bca13e66ff9cdcb577a6c7bb41938e5eb117f694b89f61b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8b2438800469b8411e9b2b1e995dbd6cb4eb7b6544f33ea10375537b4d9912e5
[INFO] running `Command { std: "docker" "start" "-a" "8b2438800469b8411e9b2b1e995dbd6cb4eb7b6544f33ea10375537b4d9912e5", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.30.0
[INFO] [stderr]     Checking chat-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader},
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader},
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "8b2438800469b8411e9b2b1e995dbd6cb4eb7b6544f33ea10375537b4d9912e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2438800469b8411e9b2b1e995dbd6cb4eb7b6544f33ea10375537b4d9912e5", kill_on_drop: false }`
[INFO] [stdout] 8b2438800469b8411e9b2b1e995dbd6cb4eb7b6544f33ea10375537b4d9912e5
[INFO] checking ecoarchie/chat-tokio against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecoarchie%2Fchat-tokio" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ecoarchie/chat-tokio 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/ecoarchie/chat-tokio
[INFO] finished tweaking git repo https://github.com/ecoarchie/chat-tokio
[INFO] tweaked toml for git repo https://github.com/ecoarchie/chat-tokio written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ecoarchie/chat-tokio 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d2a69783ff1619d37e9d973f2e76d01ae0115c02669b0ccb6707f51aa499c3c6
[INFO] running `Command { std: "docker" "start" "-a" "d2a69783ff1619d37e9d973f2e76d01ae0115c02669b0ccb6707f51aa499c3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a69783ff1619d37e9d973f2e76d01ae0115c02669b0ccb6707f51aa499c3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a69783ff1619d37e9d973f2e76d01ae0115c02669b0ccb6707f51aa499c3c6", kill_on_drop: false }`
[INFO] [stdout] d2a69783ff1619d37e9d973f2e76d01ae0115c02669b0ccb6707f51aa499c3c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 086d05c633e8023e5fccd2022c9b047ff6d8158e849911b56f7e43abbdb515f4
[INFO] running `Command { std: "docker" "start" "-a" "086d05c633e8023e5fccd2022c9b047ff6d8158e849911b56f7e43abbdb515f4", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.30.0
[INFO] [stderr]     Checking chat-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader},
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader},
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "086d05c633e8023e5fccd2022c9b047ff6d8158e849911b56f7e43abbdb515f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086d05c633e8023e5fccd2022c9b047ff6d8158e849911b56f7e43abbdb515f4", kill_on_drop: false }`
[INFO] [stdout] 086d05c633e8023e5fccd2022c9b047ff6d8158e849911b56f7e43abbdb515f4