[INFO] cloning repository https://github.com/thechibbis/wmux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thechibbis/wmux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthechibbis%2Fwmux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthechibbis%2Fwmux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcfc63ccd82b8e74e6d7a82034b817186116b595
[INFO] checking thechibbis/wmux against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthechibbis%2Fwmux" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thechibbis/wmux
[INFO] finished tweaking git repo https://github.com/thechibbis/wmux
[INFO] tweaked toml for git repo https://github.com/thechibbis/wmux written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thechibbis/wmux on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thechibbis/wmux 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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72c7ce786c331410d4746c398349a0533736371679a1c7f90978665e9fd3ac25
[INFO] running `Command { std: "docker" "start" "-a" "72c7ce786c331410d4746c398349a0533736371679a1c7f90978665e9fd3ac25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72c7ce786c331410d4746c398349a0533736371679a1c7f90978665e9fd3ac25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c7ce786c331410d4746c398349a0533736371679a1c7f90978665e9fd3ac25", kill_on_drop: false }`
[INFO] [stdout] 72c7ce786c331410d4746c398349a0533736371679a1c7f90978665e9fd3ac25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfd63e641c1e80d9b3763e4367a517fb34c879d4625adfccea250ee3b4247087
[INFO] running `Command { std: "docker" "start" "-a" "bfd63e641c1e80d9b3763e4367a517fb34c879d4625adfccea250ee3b4247087", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.8
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[INFO] [stderr]     Checking arboard v3.6.1
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking wmux-core v0.1.0 (/opt/rustwide/workdir/crates/wmux-core)
[INFO] [stderr]     Checking wmux-client v0.1.0 (/opt/rustwide/workdir/crates/wmux-client)
[INFO] [stderr]     Checking wmux-server v0.1.0 (/opt/rustwide/workdir/crates/wmux-server)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> crates/wmux-server/tests/e2e_integration.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         server_clone.run().await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let _ = server_clone.run().await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.92s
[INFO] running `Command { std: "docker" "inspect" "bfd63e641c1e80d9b3763e4367a517fb34c879d4625adfccea250ee3b4247087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd63e641c1e80d9b3763e4367a517fb34c879d4625adfccea250ee3b4247087", kill_on_drop: false }`
[INFO] [stdout] bfd63e641c1e80d9b3763e4367a517fb34c879d4625adfccea250ee3b4247087