[INFO] cloning repository https://github.com/conorbros/test-streams [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conorbros/test-streams" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconorbros%2Ftest-streams", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconorbros%2Ftest-streams'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 823d2824bc598c095f50e1272068dfbbfbc75221 [INFO] checking conorbros/test-streams against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconorbros%2Ftest-streams" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/conorbros/test-streams 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] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/conorbros/test-streams [INFO] finished tweaking git repo https://github.com/conorbros/test-streams [INFO] tweaked toml for git repo https://github.com/conorbros/test-streams written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/conorbros/test-streams 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] Downloading crates ... [INFO] [stderr] Downloaded once_cell v1.12.0 [INFO] [stderr] Downloaded unicode-ident v1.0.0 [INFO] [stderr] Downloaded parking_lot_core v0.9.3 [INFO] [stderr] Downloaded proc-macro2 v1.0.39 [INFO] [stderr] Downloaded syn v1.0.95 [INFO] [stderr] Downloaded tokio v1.18.2 [INFO] [stderr] Downloaded tracing-attributes v0.1.21 [INFO] [stderr] Downloaded tokio-util v0.7.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3f67569afad23994152989a8a6460397789f5b9237b793b712db451c26314361 [INFO] running `Command { std: "docker" "start" "-a" "3f67569afad23994152989a8a6460397789f5b9237b793b712db451c26314361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f67569afad23994152989a8a6460397789f5b9237b793b712db451c26314361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f67569afad23994152989a8a6460397789f5b9237b793b712db451c26314361", kill_on_drop: false }` [INFO] [stdout] 3f67569afad23994152989a8a6460397789f5b9237b793b712db451c26314361 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d57e6da79c659b1060e089eaee1f327dac0bfd0a8a8d0a296cd18c01c8567f06 [INFO] running `Command { std: "docker" "start" "-a" "d57e6da79c659b1060e089eaee1f327dac0bfd0a8a8d0a296cd18c01c8567f06", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Checking tokio v1.18.2 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-util v0.7.2 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking test-streams v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `producer_rx` [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | producer_rx: R, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_producer_rx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx1` [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | let (tx1, mut rx1) = unbounded_channel::(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx2` [INFO] [stdout] --> src/main.rs:46:10 [INFO] [stdout] | [INFO] [stdout] 46 | let (tx2, mut rx2) = unbounded_channel::(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let mut writer = FramedWrite::new(producer_tx, codec); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:15 [INFO] [stdout] | [INFO] [stdout] 45 | let (tx1, mut rx1) = unbounded_channel::(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | let (tx2, mut rx2) = unbounded_channel::(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/main.rs:15:26 [INFO] [stdout] | [INFO] [stdout] 15 | fn encode(&mut self, item: usize, buf: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:15:39 [INFO] [stdout] | [INFO] [stdout] 15 | fn encode(&mut self, item: usize, buf: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/main.rs:25:26 [INFO] [stdout] | [INFO] [stdout] 25 | fn decode(&mut self, src: &mut BytesMut) -> Result, Self::Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyCodec` is never constructed [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct MyCodec {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_read_write_tasks` is never used [INFO] [stdout] --> src/main.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | async fn spawn_read_write_tasks< [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `producer_rx` [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | producer_rx: R, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_producer_rx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx1` [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | let (tx1, mut rx1) = unbounded_channel::(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx2` [INFO] [stdout] --> src/main.rs:46:10 [INFO] [stdout] | [INFO] [stdout] 46 | let (tx2, mut rx2) = unbounded_channel::(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let mut writer = FramedWrite::new(producer_tx, codec); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:15 [INFO] [stdout] | [INFO] [stdout] 45 | let (tx1, mut rx1) = unbounded_channel::(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | let (tx2, mut rx2) = unbounded_channel::(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/main.rs:15:26 [INFO] [stdout] | [INFO] [stdout] 15 | fn encode(&mut self, item: usize, buf: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:15:39 [INFO] [stdout] | [INFO] [stdout] 15 | fn encode(&mut self, item: usize, buf: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/main.rs:25:26 [INFO] [stdout] | [INFO] [stdout] 25 | fn decode(&mut self, src: &mut BytesMut) -> Result, Self::Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyCodec` is never constructed [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct MyCodec {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_read_write_tasks` is never used [INFO] [stdout] --> src/main.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | async fn spawn_read_write_tasks< [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.21s [INFO] running `Command { std: "docker" "inspect" "d57e6da79c659b1060e089eaee1f327dac0bfd0a8a8d0a296cd18c01c8567f06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d57e6da79c659b1060e089eaee1f327dac0bfd0a8a8d0a296cd18c01c8567f06", kill_on_drop: false }` [INFO] [stdout] d57e6da79c659b1060e089eaee1f327dac0bfd0a8a8d0a296cd18c01c8567f06 [INFO] checking conorbros/test-streams against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconorbros%2Ftest-streams" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/conorbros/test-streams 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] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/conorbros/test-streams [INFO] finished tweaking git repo https://github.com/conorbros/test-streams [INFO] tweaked toml for git repo https://github.com/conorbros/test-streams written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/conorbros/test-streams 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ad7ce957ab2cb5dcf5d2cdf0ae3d2fb2b8b5a702285d8d69ba4a1c130376aee [INFO] running `Command { std: "docker" "start" "-a" "4ad7ce957ab2cb5dcf5d2cdf0ae3d2fb2b8b5a702285d8d69ba4a1c130376aee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ad7ce957ab2cb5dcf5d2cdf0ae3d2fb2b8b5a702285d8d69ba4a1c130376aee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ad7ce957ab2cb5dcf5d2cdf0ae3d2fb2b8b5a702285d8d69ba4a1c130376aee", kill_on_drop: false }` [INFO] [stdout] 4ad7ce957ab2cb5dcf5d2cdf0ae3d2fb2b8b5a702285d8d69ba4a1c130376aee [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4649fe2fe68211555f2f6a637a420418e7521749cba6e334e984e62cb23b47a [INFO] running `Command { std: "docker" "start" "-a" "e4649fe2fe68211555f2f6a637a420418e7521749cba6e334e984e62cb23b47a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Checking tokio v1.18.2 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking tokio-util v0.7.2 [INFO] [stderr] Checking test-streams v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `producer_rx` [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | producer_rx: R, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_producer_rx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx1` [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | let (tx1, mut rx1) = unbounded_channel::(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx2` [INFO] [stdout] --> src/main.rs:46:10 [INFO] [stdout] | [INFO] [stdout] 46 | let (tx2, mut rx2) = unbounded_channel::(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let mut writer = FramedWrite::new(producer_tx, codec); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:15 [INFO] [stdout] | [INFO] [stdout] 45 | let (tx1, mut rx1) = unbounded_channel::(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | let (tx2, mut rx2) = unbounded_channel::(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/main.rs:15:26 [INFO] [stdout] | [INFO] [stdout] 15 | fn encode(&mut self, item: usize, buf: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:15:39 [INFO] [stdout] | [INFO] [stdout] 15 | fn encode(&mut self, item: usize, buf: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/main.rs:25:26 [INFO] [stdout] | [INFO] [stdout] 25 | fn decode(&mut self, src: &mut BytesMut) -> Result, Self::Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyCodec` is never constructed [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct MyCodec {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_read_write_tasks` is never used [INFO] [stdout] --> src/main.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | async fn spawn_read_write_tasks< [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `producer_rx` [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | producer_rx: R, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_producer_rx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx1` [INFO] [stdout] --> src/main.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | let (tx1, mut rx1) = unbounded_channel::(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx2` [INFO] [stdout] --> src/main.rs:46:10 [INFO] [stdout] | [INFO] [stdout] 46 | let (tx2, mut rx2) = unbounded_channel::(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let mut writer = FramedWrite::new(producer_tx, codec); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:15 [INFO] [stdout] | [INFO] [stdout] 45 | let (tx1, mut rx1) = unbounded_channel::(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | let (tx2, mut rx2) = unbounded_channel::(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/main.rs:15:26 [INFO] [stdout] | [INFO] [stdout] 15 | fn encode(&mut self, item: usize, buf: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:15:39 [INFO] [stdout] | [INFO] [stdout] 15 | fn encode(&mut self, item: usize, buf: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/main.rs:25:26 [INFO] [stdout] | [INFO] [stdout] 25 | fn decode(&mut self, src: &mut BytesMut) -> Result, Self::Error> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyCodec` is never constructed [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct MyCodec {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_read_write_tasks` is never used [INFO] [stdout] --> src/main.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | async fn spawn_read_write_tasks< [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.33s [INFO] running `Command { std: "docker" "inspect" "e4649fe2fe68211555f2f6a637a420418e7521749cba6e334e984e62cb23b47a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4649fe2fe68211555f2f6a637a420418e7521749cba6e334e984e62cb23b47a", kill_on_drop: false }` [INFO] [stdout] e4649fe2fe68211555f2f6a637a420418e7521749cba6e334e984e62cb23b47a