[INFO] cloning repository https://github.com/fanout/condure [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fanout/condure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanout%2Fcondure", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanout%2Fcondure'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ad201732fa71ee160aefcfc49f9a058ca89f515b [INFO] checking fanout/condure against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanout%2Fcondure" "/workspace/builds/worker-44/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fanout/condure on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fanout/condure [INFO] finished tweaking git repo https://github.com/fanout/condure [INFO] tweaked toml for git repo https://github.com/fanout/condure written to /workspace/builds/worker-44/source/Cargo.toml [INFO] crate git repo https://github.com/fanout/condure already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded signal-hook v0.3.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 578175921e9fdcfcfb017c87cd0732023f96e4cbeaba3e5d744b5cdb072c7bf0 [INFO] running `Command { std: "docker" "start" "-a" "578175921e9fdcfcfb017c87cd0732023f96e4cbeaba3e5d744b5cdb072c7bf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "578175921e9fdcfcfb017c87cd0732023f96e4cbeaba3e5d744b5cdb072c7bf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "578175921e9fdcfcfb017c87cd0732023f96e4cbeaba3e5d744b5cdb072c7bf0", kill_on_drop: false }` [INFO] [stdout] 578175921e9fdcfcfb017c87cd0732023f96e4cbeaba3e5d744b5cdb072c7bf0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c106da883d8b8f2cbe074d71f1d3e945405160eb8ee4fd35eac30c5304a179c7 [INFO] running `Command { std: "docker" "start" "-a" "c106da883d8b8f2cbe074d71f1d3e945405160eb8ee4fd35eac30c5304a179c7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling semver v1.0.3 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking libc v0.2.98 [INFO] [stderr] Checking bitflags v1.2.1 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking condure v1.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | &dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 216 | let _ = &dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:383:13 [INFO] [stdout] | [INFO] [stdout] 383 | &mut tmp[..lsize].copy_from_slice(&self.buf[lsrc..(lsrc + lsize)]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 383 | let _ = &mut tmp[..lsize].copy_from_slice(&self.buf[lsrc..(lsrc + lsize)]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:385:13 [INFO] [stdout] | [INFO] [stdout] 385 | &mut self.buf[ldest..(ldest + lsize)].copy_from_slice(&mut tmp[..lsize]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 385 | let _ = &mut self.buf[ldest..(ldest + lsize)].copy_from_slice(&mut tmp[..lsize]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:427:13 [INFO] [stdout] | [INFO] [stdout] 427 | &dest[..size].copy_from_slice(&buf[pos..(pos + size)]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 427 | let _ = &dest[..size].copy_from_slice(&buf[pos..(pos + size)]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:1658:25 [INFO] [stdout] | [INFO] [stdout] 1658 | &mut input[..ws_key.len()].copy_from_slice(ws_key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1658 | let _ = &mut input[..ws_key.len()].copy_from_slice(ws_key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:1659:25 [INFO] [stdout] | [INFO] [stdout] 1659 | / &mut input[ws_key.len()..input_len] [INFO] [stdout] 1660 | | .copy_from_slice(&websocket::WS_GUID.as_bytes()); [INFO] [stdout] | |____________________________________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1659 | let _ = &mut input[ws_key.len()..input_len] [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:2018:29 [INFO] [stdout] | [INFO] [stdout] 2018 | ... &mut arr[..].copy_from_slice(&body[..2]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2018 | let _ = &mut arr[..].copy_from_slice(&body[..2]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | &buf[2..4].copy_from_slice(&arr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 141 | let _ = &buf[2..4].copy_from_slice(&arr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | &buf[2..10].copy_from_slice(&arr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 146 | let _ = &buf[2..10].copy_from_slice(&arr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | &buf[hsize..hsize + 4].copy_from_slice(&mask); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 152 | let _ = &buf[hsize..hsize + 4].copy_from_slice(&mask); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:481:9 [INFO] [stdout] | [INFO] [stdout] 481 | &mut dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 481 | let _ = &mut dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | &dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 216 | let _ = &dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:383:13 [INFO] [stdout] | [INFO] [stdout] 383 | &mut tmp[..lsize].copy_from_slice(&self.buf[lsrc..(lsrc + lsize)]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 383 | let _ = &mut tmp[..lsize].copy_from_slice(&self.buf[lsrc..(lsrc + lsize)]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:385:13 [INFO] [stdout] | [INFO] [stdout] 385 | &mut self.buf[ldest..(ldest + lsize)].copy_from_slice(&mut tmp[..lsize]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 385 | let _ = &mut self.buf[ldest..(ldest + lsize)].copy_from_slice(&mut tmp[..lsize]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:427:13 [INFO] [stdout] | [INFO] [stdout] 427 | &dest[..size].copy_from_slice(&buf[pos..(pos + size)]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 427 | let _ = &dest[..size].copy_from_slice(&buf[pos..(pos + size)]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:1658:25 [INFO] [stdout] | [INFO] [stdout] 1658 | &mut input[..ws_key.len()].copy_from_slice(ws_key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1658 | let _ = &mut input[..ws_key.len()].copy_from_slice(ws_key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:1659:25 [INFO] [stdout] | [INFO] [stdout] 1659 | / &mut input[ws_key.len()..input_len] [INFO] [stdout] 1660 | | .copy_from_slice(&websocket::WS_GUID.as_bytes()); [INFO] [stdout] | |____________________________________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1659 | let _ = &mut input[ws_key.len()..input_len] [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:2018:29 [INFO] [stdout] | [INFO] [stdout] 2018 | ... &mut arr[..].copy_from_slice(&body[..2]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2018 | let _ = &mut arr[..].copy_from_slice(&body[..2]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | &buf[2..4].copy_from_slice(&arr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 141 | let _ = &buf[2..4].copy_from_slice(&arr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | &buf[2..10].copy_from_slice(&arr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 146 | let _ = &buf[2..10].copy_from_slice(&arr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | &buf[hsize..hsize + 4].copy_from_slice(&mask); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 152 | let _ = &buf[hsize..hsize + 4].copy_from_slice(&mask); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:481:9 [INFO] [stdout] | [INFO] [stdout] 481 | &mut dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 481 | let _ = &mut dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] warning: field is never read: `trailing_headers` [INFO] [stdout] --> src/http1.rs:745:9 [INFO] [stdout] | [INFO] [stdout] 745 | pub trailing_headers: Vec<(String, Vec)>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/arena.rs:536:9 [INFO] [stdout] | [INFO] [stdout] 536 | &mut buf1[..5].copy_from_slice(b"hello"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 536 | let _ = &mut buf1[..5].copy_from_slice(b"hello"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/arena.rs:537:9 [INFO] [stdout] | [INFO] [stdout] 537 | &mut buf2[..5].copy_from_slice(b"world"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 537 | let _ = &mut buf2[..5].copy_from_slice(b"world"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | &buf[..size].copy_from_slice(&src[..size]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 199 | let _ = &buf[..size].copy_from_slice(&src[..size]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | &dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 216 | let _ = &dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:383:13 [INFO] [stdout] | [INFO] [stdout] 383 | &mut tmp[..lsize].copy_from_slice(&self.buf[lsrc..(lsrc + lsize)]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 383 | let _ = &mut tmp[..lsize].copy_from_slice(&self.buf[lsrc..(lsrc + lsize)]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:385:13 [INFO] [stdout] | [INFO] [stdout] 385 | &mut self.buf[ldest..(ldest + lsize)].copy_from_slice(&mut tmp[..lsize]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 385 | let _ = &mut self.buf[ldest..(ldest + lsize)].copy_from_slice(&mut tmp[..lsize]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:404:13 [INFO] [stdout] | [INFO] [stdout] 404 | &buf[pos..(pos + size)].copy_from_slice(&src[..size]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 404 | let _ = &buf[pos..(pos + size)].copy_from_slice(&src[..size]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/buffer.rs:427:13 [INFO] [stdout] | [INFO] [stdout] 427 | &dest[..size].copy_from_slice(&buf[pos..(pos + size)]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 427 | let _ = &dest[..size].copy_from_slice(&buf[pos..(pos + size)]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:1658:25 [INFO] [stdout] | [INFO] [stdout] 1658 | &mut input[..ws_key.len()].copy_from_slice(ws_key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1658 | let _ = &mut input[..ws_key.len()].copy_from_slice(ws_key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:1659:25 [INFO] [stdout] | [INFO] [stdout] 1659 | / &mut input[ws_key.len()..input_len] [INFO] [stdout] 1660 | | .copy_from_slice(&websocket::WS_GUID.as_bytes()); [INFO] [stdout] | |____________________________________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1659 | let _ = &mut input[ws_key.len()..input_len] [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:2018:29 [INFO] [stdout] | [INFO] [stdout] 2018 | ... &mut arr[..].copy_from_slice(&body[..2]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2018 | let _ = &mut arr[..].copy_from_slice(&body[..2]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/connection.rs:2546:13 [INFO] [stdout] | [INFO] [stdout] 2546 | &mut buf[..size].copy_from_slice(&self.inbuf[..size]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2546 | let _ = &mut buf[..size].copy_from_slice(&self.inbuf[..size]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/server.rs:3025:9 [INFO] [stdout] | [INFO] [stdout] 3025 | &mut data[size..(size + body.len())].copy_from_slice(body); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 3025 | let _ = &mut data[size..(size + body.len())].copy_from_slice(body); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/server.rs:3110:9 [INFO] [stdout] | [INFO] [stdout] 3110 | &mut data[size..(size + body.len())].copy_from_slice(body); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 3110 | let _ = &mut data[size..(size + body.len())].copy_from_slice(body); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/server.rs:3185:9 [INFO] [stdout] | [INFO] [stdout] 3185 | &mut data[size..(size + body.len())].copy_from_slice(body); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 3185 | let _ = &mut data[size..(size + body.len())].copy_from_slice(body); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | &buf[2..4].copy_from_slice(&arr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 141 | let _ = &buf[2..4].copy_from_slice(&arr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | &buf[2..10].copy_from_slice(&arr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 146 | let _ = &buf[2..10].copy_from_slice(&arr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | &buf[hsize..hsize + 4].copy_from_slice(&mask); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 152 | let _ = &buf[hsize..hsize + 4].copy_from_slice(&mask); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:481:9 [INFO] [stdout] | [INFO] [stdout] 481 | &mut dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 481 | let _ = &mut dest[..size].copy_from_slice(&buf[..size]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/websocket.rs:600:9 [INFO] [stdout] | [INFO] [stdout] 600 | &buf2[offset..offset + payload.len()].copy_from_slice(payload); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 600 | let _ = &buf2[offset..offset + payload.len()].copy_from_slice(payload); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `Command { std: "docker" "inspect" "c106da883d8b8f2cbe074d71f1d3e945405160eb8ee4fd35eac30c5304a179c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c106da883d8b8f2cbe074d71f1d3e945405160eb8ee4fd35eac30c5304a179c7", kill_on_drop: false }` [INFO] [stdout] c106da883d8b8f2cbe074d71f1d3e945405160eb8ee4fd35eac30c5304a179c7