[INFO] cloning repository https://github.com/yaahc/async-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaahc/async-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaahc%2Fasync-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaahc%2Fasync-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 160f1be83ab7d02173c13c36f2a138594781679c
[INFO] testing yaahc/async-practice against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaahc%2Fasync-practice" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/yaahc/async-practice
[INFO] finished tweaking git repo https://github.com/yaahc/async-practice
[INFO] tweaked toml for git repo https://github.com/yaahc/async-practice written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yaahc/async-practice on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yaahc/async-practice 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6
[INFO] running `Command { std: "docker" "start" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6", 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" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tracing-subscriber v0.1.1 (https://github.com/tokio-rs/tracing#b385da6b)
[INFO] [stderr]    Compiling tracing v0.1.8
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.4
[INFO] [stderr]    Compiling structopt v0.3.1
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.4
[INFO] [stderr]    Compiling tokio-fs v0.2.0-alpha.4
[INFO] [stderr]    Compiling tokio-net v0.2.0-alpha.4
[INFO] [stderr]    Compiling tokio v0.2.0-alpha.4
[INFO] [stderr]    Compiling tracing-futures v0.0.1-alpha.2 (https://github.com/tokio-rs/tracing?rev=9f1126a00d105ff85f5b65fc6457699430b1bed4#9f1126a0)
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir/chat)
[INFO] [stdout] warning: unused import: `trace_span`
[INFO] [stdout]  --> chat/src/server.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, info, trace_span, warn};
[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: `tracing_futures::Instrument`
[INFO] [stdout]   --> chat/src/server.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_futures::Instrument;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]  --> chat/src/bin/client.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{Sink, SinkExt, Stream, StreamExt, TryStream, TryStreamExt};
[INFO] [stdout]   |                                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.16s
[INFO] running `Command { std: "docker" "inspect" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir/chat)
[INFO] [stdout] warning: unused import: `trace_span`
[INFO] [stdout]  --> chat/src/server.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, info, trace_span, warn};
[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: `tracing_futures::Instrument`
[INFO] [stdout]   --> chat/src/server.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_futures::Instrument;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]  --> chat/src/bin/client.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{Sink, SinkExt, Stream, StreamExt, TryStream, TryStreamExt};
[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: `trace_span`
[INFO] [stdout]  --> chat/src/server.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, info, trace_span, warn};
[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: `tracing_futures::Instrument`
[INFO] [stdout]   --> chat/src/server.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_futures::Instrument;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `trace_span`
[INFO] [stderr]  --> chat/src/server.rs:9:28
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tracing::{debug, info, trace_span, warn};
[INFO] [stderr]   |                            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing_futures::Instrument`
[INFO] [stderr]   --> chat/src/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tracing_futures::Instrument;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chat` (lib) generated 2 warnings (run `cargo fix --lib -p chat` to apply 2 suggestions)
[INFO] [stderr] warning: `chat` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused import: `TryStream`
[INFO] [stderr]  --> chat/src/bin/client.rs:3:49
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Sink, SinkExt, Stream, StreamExt, TryStream, TryStreamExt};
[INFO] [stderr]   |                                                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chat` (bin "client" test) generated 1 warning (run `cargo fix --bin "client" -p chat --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/chat/bb2983133af6d783/out/chat-bb2983133af6d783)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/client.rs (/opt/rustwide/target/debug/build/chat/31b5b31059bb4315/out/client-31b5b31059bb4315)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/server.rs (/opt/rustwide/target/debug/build/chat/fd7157f91567f884/out/server-fd7157f91567f884)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chat
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6", kill_on_drop: false }`
[INFO] [stdout] 3fa44561b864b40f3c4a2f78104ed2f603c39e2848ce441e15296da4e7210ad6
