[INFO] fetching crate wsmirror 0.1.0... [INFO] building wsmirror-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate wsmirror 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate wsmirror 0.1.0 [INFO] finished tweaking crates.io crate wsmirror 0.1.0 [INFO] tweaked toml for crates.io crate wsmirror 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wsmirror 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate wsmirror 0.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e6c513488d3e388968b605079f6b11d9298e7d6f9dd70fa51c390e0964c159b [INFO] running `Command { std: "docker" "start" "-a" "8e6c513488d3e388968b605079f6b11d9298e7d6f9dd70fa51c390e0964c159b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e6c513488d3e388968b605079f6b11d9298e7d6f9dd70fa51c390e0964c159b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e6c513488d3e388968b605079f6b11d9298e7d6f9dd70fa51c390e0964c159b", kill_on_drop: false }` [INFO] [stdout] 8e6c513488d3e388968b605079f6b11d9298e7d6f9dd70fa51c390e0964c159b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 007911de1c5470f98ff18ac906ead8f08ba24516fde1969977af043de24a5dbc [INFO] running `Command { std: "docker" "start" "-a" "007911de1c5470f98ff18ac906ead8f08ba24516fde1969977af043de24a5dbc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling tinyvec v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling unicode-bidi v0.3.6 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling cpufeatures v0.2.1 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling http v0.2.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling sha-1 v0.9.8 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling pin-project v1.0.8 [INFO] [stderr] Compiling thiserror v1.0.29 [INFO] [stderr] Compiling tungstenite v0.14.0 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling tokio-tungstenite v0.15.0 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling wsmirror v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used [INFO] [stdout] --> src/main.rs:53:29 [INFO] [stdout] | [INFO] [stdout] 53 | ... tokio::task::yield_now().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: yield_now does nothing unless polled/`await`-ed [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] 53 | let _ = tokio::task::yield_now().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.46s [INFO] running `Command { std: "docker" "inspect" "007911de1c5470f98ff18ac906ead8f08ba24516fde1969977af043de24a5dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "007911de1c5470f98ff18ac906ead8f08ba24516fde1969977af043de24a5dbc", kill_on_drop: false }` [INFO] [stdout] 007911de1c5470f98ff18ac906ead8f08ba24516fde1969977af043de24a5dbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea74568ec3acf90c5c88281f659d87d3396ab770c48e004dc91fcb4ac8a5b1d5 [INFO] running `Command { std: "docker" "start" "-a" "ea74568ec3acf90c5c88281f659d87d3396ab770c48e004dc91fcb4ac8a5b1d5", kill_on_drop: false }` [INFO] [stderr] Compiling wsmirror v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used [INFO] [stdout] --> src/main.rs:53:29 [INFO] [stdout] | [INFO] [stdout] 53 | ... tokio::task::yield_now().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: yield_now does nothing unless polled/`await`-ed [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] 53 | let _ = tokio::task::yield_now().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "ea74568ec3acf90c5c88281f659d87d3396ab770c48e004dc91fcb4ac8a5b1d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea74568ec3acf90c5c88281f659d87d3396ab770c48e004dc91fcb4ac8a5b1d5", kill_on_drop: false }` [INFO] [stdout] ea74568ec3acf90c5c88281f659d87d3396ab770c48e004dc91fcb4ac8a5b1d5