[INFO] cloning repository https://github.com/Ironlenny/rupart [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ironlenny/rupart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIronlenny%2Frupart", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIronlenny%2Frupart'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c38cba3b539456a27140f1d3eeeba4b62e9ab71f [INFO] checking Ironlenny/rupart against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIronlenny%2Frupart" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Ironlenny/rupart [INFO] finished tweaking git repo https://github.com/Ironlenny/rupart [INFO] tweaked toml for git repo https://github.com/Ironlenny/rupart written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Ironlenny/rupart on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Ironlenny/rupart 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] [stderr] Adding typename v0.1.1 (https://github.com/Ironlenny/typename?branch=master#26c0c8f5) [INFO] [stderr] Adding typename_derive v0.1.3 (https://github.com/Ironlenny/typename?branch=master#26c0c8f5) [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e58e34c55a24d11f6c9f28a4367cd7d18061f1f5ba8e1be113c1acc8652f4cd9 [INFO] running `Command { std: "docker" "start" "-a" "e58e34c55a24d11f6c9f28a4367cd7d18061f1f5ba8e1be113c1acc8652f4cd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e58e34c55a24d11f6c9f28a4367cd7d18061f1f5ba8e1be113c1acc8652f4cd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e58e34c55a24d11f6c9f28a4367cd7d18061f1f5ba8e1be113c1acc8652f4cd9", kill_on_drop: false }` [INFO] [stdout] e58e34c55a24d11f6c9f28a4367cd7d18061f1f5ba8e1be113c1acc8652f4cd9 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6cf3c14eece3eceef31d1ba1923c45c92588ac7b718b718fa8edc024249ae299 [INFO] running `Command { std: "docker" "start" "-a" "6cf3c14eece3eceef31d1ba1923c45c92588ac7b718b718fa8edc024249ae299", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling cc v1.0.36 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking opaque-debug v0.2.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling typename_derive v0.1.3 (https://github.com/Ironlenny/typename?branch=master#26c0c8f5) [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Compiling proc-macro-hack v0.5.6 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking typename v0.1.1 (https://github.com/Ironlenny/typename?branch=master#26c0c8f5) [INFO] [stderr] Compiling hex-literal-impl v0.2.0 [INFO] [stderr] Checking hex-literal v0.2.0 [INFO] [stderr] Checking structopt v0.2.15 [INFO] [stderr] Checking rupart v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `failure::ResultExt` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use failure::ResultExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BinaryHeap` [INFO] [stdout] --> src/lib.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | use std::collections::{BinaryHeap, HashMap}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/lib.rs:408:22 [INFO] [stdout] | [INFO] [stdout] 408 | readers.push({ MessageBlock::new(file, block_size) }); [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 408 - readers.push({ MessageBlock::new(file, block_size) }); [INFO] [stdout] 408 + readers.push(MessageBlock::new(file, block_size)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `typename::TypeName` [INFO] [stdout] --> src/lib.rs:720:9 [INFO] [stdout] | [INFO] [stdout] 720 | use typename::TypeName; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failure::ResultExt` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use failure::ResultExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BinaryHeap` [INFO] [stdout] --> src/lib.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | use std::collections::{BinaryHeap, HashMap}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/lib.rs:408:22 [INFO] [stdout] | [INFO] [stdout] 408 | readers.push({ MessageBlock::new(file, block_size) }); [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 408 - readers.push({ MessageBlock::new(file, block_size) }); [INFO] [stdout] 408 + readers.push(MessageBlock::new(file, block_size)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `files` [INFO] [stdout] --> src/lib.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | files: Vec, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_files` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block_size` [INFO] [stdout] --> src/lib.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | block_size: usize, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parity` [INFO] [stdout] --> src/lib.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | parity: usize, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parity` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_writes` [INFO] [stdout] --> src/lib.rs:50:14 [INFO] [stdout] | [INFO] [stdout] 50 | let (tx_writes, rx_writes): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_writes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_input` [INFO] [stdout] --> src/lib.rs:51:14 [INFO] [stdout] | [INFO] [stdout] 51 | let (tx_input, rx_input): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx_input` [INFO] [stdout] --> src/lib.rs:51:24 [INFO] [stdout] | [INFO] [stdout] 51 | let (tx_input, rx_input): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_body` [INFO] [stdout] --> src/lib.rs:52:14 [INFO] [stdout] | [INFO] [stdout] 52 | let (tx_body, rx_body): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx_body` [INFO] [stdout] --> src/lib.rs:52:23 [INFO] [stdout] | [INFO] [stdout] 52 | let (tx_body, rx_body): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_file_descript` [INFO] [stdout] --> src/lib.rs:53:14 [INFO] [stdout] | [INFO] [stdout] 53 | let (tx_file_descript, rx_file_descript): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_file_descript` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx_file_descript` [INFO] [stdout] --> src/lib.rs:53:32 [INFO] [stdout] | [INFO] [stdout] 53 | let (tx_file_descript, rx_file_descript): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_file_descript` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_recovery` [INFO] [stdout] --> src/lib.rs:54:14 [INFO] [stdout] | [INFO] [stdout] 54 | let (tx_recovery, rx_recovery): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_recovery` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx_recovery` [INFO] [stdout] --> src/lib.rs:54:27 [INFO] [stdout] | [INFO] [stdout] 54 | let (tx_recovery, rx_recovery): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_recovery` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:322:13 [INFO] [stdout] | [INFO] [stdout] 322 | let mut result; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `files` [INFO] [stdout] --> src/lib.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | files: Vec, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_files` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block_size` [INFO] [stdout] --> src/lib.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | block_size: usize, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parity` [INFO] [stdout] --> src/lib.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | parity: usize, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parity` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_writes` [INFO] [stdout] --> src/lib.rs:50:14 [INFO] [stdout] | [INFO] [stdout] 50 | let (tx_writes, rx_writes): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_writes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_input` [INFO] [stdout] --> src/lib.rs:51:14 [INFO] [stdout] | [INFO] [stdout] 51 | let (tx_input, rx_input): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx_input` [INFO] [stdout] --> src/lib.rs:51:24 [INFO] [stdout] | [INFO] [stdout] 51 | let (tx_input, rx_input): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_body` [INFO] [stdout] --> src/lib.rs:52:14 [INFO] [stdout] | [INFO] [stdout] 52 | let (tx_body, rx_body): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx_body` [INFO] [stdout] --> src/lib.rs:52:23 [INFO] [stdout] | [INFO] [stdout] 52 | let (tx_body, rx_body): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_file_descript` [INFO] [stdout] --> src/lib.rs:53:14 [INFO] [stdout] | [INFO] [stdout] 53 | let (tx_file_descript, rx_file_descript): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_file_descript` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx_file_descript` [INFO] [stdout] --> src/lib.rs:53:32 [INFO] [stdout] | [INFO] [stdout] 53 | let (tx_file_descript, rx_file_descript): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_file_descript` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx_recovery` [INFO] [stdout] --> src/lib.rs:54:14 [INFO] [stdout] | [INFO] [stdout] 54 | let (tx_recovery, rx_recovery): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_recovery` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx_recovery` [INFO] [stdout] --> src/lib.rs:54:27 [INFO] [stdout] | [INFO] [stdout] 54 | let (tx_recovery, rx_recovery): (Sender, Receiver) = channel(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_recovery` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:322:13 [INFO] [stdout] | [INFO] [stdout] 322 | let mut result; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:850:13 [INFO] [stdout] | [INFO] [stdout] 850 | let mut file_ids = pipeline.file_ids.write().unwrap(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block_size` [INFO] [stdout] --> src/lib.rs:890:13 [INFO] [stdout] | [INFO] [stdout] 890 | let block_size = 65536; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_blocks` [INFO] [stdout] --> src/lib.rs:891:13 [INFO] [stdout] | [INFO] [stdout] 891 | let num_blocks = 16; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_blocks` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/lib.rs:892:13 [INFO] [stdout] | [INFO] [stdout] 892 | let path = PathBuf::from(&PATH); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:683:21 [INFO] [stdout] | [INFO] [stdout] 683 | drop(tx); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&std::sync::mpsc::Sender>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 683 - drop(tx); [INFO] [stdout] 683 + let _ = tx; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:683:21 [INFO] [stdout] | [INFO] [stdout] 683 | drop(tx); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&std::sync::mpsc::Sender>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 683 - drop(tx); [INFO] [stdout] 683 + let _ = tx; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.94s [INFO] running `Command { std: "docker" "inspect" "6cf3c14eece3eceef31d1ba1923c45c92588ac7b718b718fa8edc024249ae299", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cf3c14eece3eceef31d1ba1923c45c92588ac7b718b718fa8edc024249ae299", kill_on_drop: false }` [INFO] [stdout] 6cf3c14eece3eceef31d1ba1923c45c92588ac7b718b718fa8edc024249ae299