[INFO] cloning repository https://github.com/zackgomez/rust-channel-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zackgomez/rust-channel-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackgomez%2Frust-channel-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackgomez%2Frust-channel-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e253d29910f9e2a296119fde9d8f01ee0ade70bc [INFO] checking zackgomez/rust-channel-server against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackgomez%2Frust-channel-server" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zackgomez/rust-channel-server 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/zackgomez/rust-channel-server [INFO] finished tweaking git repo https://github.com/zackgomez/rust-channel-server [INFO] tweaked toml for git repo https://github.com/zackgomez/rust-channel-server written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zackgomez/rust-channel-server 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 redis v0.10.0 [INFO] [stderr] Downloaded tokio-sync v0.1.4 [INFO] [stderr] Downloaded ws v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1c92f7af6f83aa6f1d72bf3ff90068c5e99adfc8c4755638496e067c82e7405a [INFO] running `Command { std: "docker" "start" "-a" "1c92f7af6f83aa6f1d72bf3ff90068c5e99adfc8c4755638496e067c82e7405a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c92f7af6f83aa6f1d72bf3ff90068c5e99adfc8c4755638496e067c82e7405a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c92f7af6f83aa6f1d72bf3ff90068c5e99adfc8c4755638496e067c82e7405a", kill_on_drop: false }` [INFO] [stdout] 1c92f7af6f83aa6f1d72bf3ff90068c5e99adfc8c4755638496e067c82e7405a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 21b9abbeab717e64d2ad35be7142fbeb4161ad5c8558a2b797c0fa1d99e45622 [INFO] running `Command { std: "docker" "start" "-a" "21b9abbeab717e64d2ad35be7142fbeb4161ad5c8558a2b797c0fa1d99e45622", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking futures v0.1.26 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking ascii v0.9.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling redis v0.10.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-sync v0.1.4 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking ws v0.8.0 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking channel-server-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shake` [INFO] [stdout] --> src/main.rs:126:27 [INFO] [stdout] | [INFO] [stdout] 126 | fn on_open(&mut self, shake: ws::Handshake) -> ws::Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shake` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shake` [INFO] [stdout] --> src/main.rs:126:27 [INFO] [stdout] | [INFO] [stdout] 126 | fn on_open(&mut self, shake: ws::Handshake) -> ws::Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shake` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.89s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.10.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "21b9abbeab717e64d2ad35be7142fbeb4161ad5c8558a2b797c0fa1d99e45622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21b9abbeab717e64d2ad35be7142fbeb4161ad5c8558a2b797c0fa1d99e45622", kill_on_drop: false }` [INFO] [stdout] 21b9abbeab717e64d2ad35be7142fbeb4161ad5c8558a2b797c0fa1d99e45622 [INFO] checking zackgomez/rust-channel-server against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackgomez%2Frust-channel-server" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zackgomez/rust-channel-server 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/zackgomez/rust-channel-server [INFO] finished tweaking git repo https://github.com/zackgomez/rust-channel-server [INFO] tweaked toml for git repo https://github.com/zackgomez/rust-channel-server written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zackgomez/rust-channel-server 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 08f5bb7c8512e3184bd8b7044ac68735c221c6395f04c7c46333950b935d931f [INFO] running `Command { std: "docker" "start" "-a" "08f5bb7c8512e3184bd8b7044ac68735c221c6395f04c7c46333950b935d931f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08f5bb7c8512e3184bd8b7044ac68735c221c6395f04c7c46333950b935d931f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08f5bb7c8512e3184bd8b7044ac68735c221c6395f04c7c46333950b935d931f", kill_on_drop: false }` [INFO] [stdout] 08f5bb7c8512e3184bd8b7044ac68735c221c6395f04c7c46333950b935d931f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 841270a24ca0c02b4ada7e36ae4b231f6392f94bb8eb18c7a21c4502189811bf [INFO] running `Command { std: "docker" "start" "-a" "841270a24ca0c02b4ada7e36ae4b231f6392f94bb8eb18c7a21c4502189811bf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking futures v0.1.26 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling redis v0.10.0 [INFO] [stderr] Checking ascii v0.9.1 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.4 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking ws v0.8.0 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking channel-server-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shake` [INFO] [stdout] --> src/main.rs:126:27 [INFO] [stdout] | [INFO] [stdout] 126 | fn on_open(&mut self, shake: ws::Handshake) -> ws::Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shake` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shake` [INFO] [stdout] --> src/main.rs:126:27 [INFO] [stdout] | [INFO] [stdout] 126 | fn on_open(&mut self, shake: ws::Handshake) -> ws::Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shake` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.46s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.10.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "841270a24ca0c02b4ada7e36ae4b231f6392f94bb8eb18c7a21c4502189811bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "841270a24ca0c02b4ada7e36ae4b231f6392f94bb8eb18c7a21c4502189811bf", kill_on_drop: false }` [INFO] [stdout] 841270a24ca0c02b4ada7e36ae4b231f6392f94bb8eb18c7a21c4502189811bf