[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 beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIronlenny%2Frupart" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ironlenny/rupart on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Ironlenny/rupart already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0ca3de0a6157ce443a152d65d5a50b6f523bec5203a8c14f9eb1a91e5b37d70
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0ca3de0a6157ce443a152d65d5a50b6f523bec5203a8c14f9eb1a91e5b37d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ca3de0a6157ce443a152d65d5a50b6f523bec5203a8c14f9eb1a91e5b37d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ca3de0a6157ce443a152d65d5a50b6f523bec5203a8c14f9eb1a91e5b37d70", kill_on_drop: false }`
[INFO] [stdout] b0ca3de0a6157ce443a152d65d5a50b6f523bec5203a8c14f9eb1a91e5b37d70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d92d892995d3cbbebcb8df452a4003844145283620e591ad5df084e71b1691e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d92d892995d3cbbebcb8df452a4003844145283620e591ad5df084e71b1691e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling typename_derive v0.1.3 (https://github.com/Ironlenny/typename#26c0c8f5)
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.6
[INFO] [stderr]     Checking typename v0.1.1 (https://github.com/Ironlenny/typename#26c0c8f5)
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling hex-literal-impl v0.2.0
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking hex-literal v0.2.0
[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)]` 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]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[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<Message>, Receiver<Message>) = channel();
[INFO] [stdout]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_writes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = channel();
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_recovery`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]   --> src/lib.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         files: Vec<PathBuf>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[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)]` 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]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[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 variable: `tx_writes`
[INFO] [stdout]   --> src/lib.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let (tx_writes, rx_writes): (Sender<Message>, Receiver<Message>) = channel();
[INFO] [stdout]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_writes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = 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<Message>, Receiver<Message>) = channel();
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_recovery`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]   --> src/lib.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         files: Vec<PathBuf>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[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: `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: 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)]` 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: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.24s
[INFO] running `Command { std: "docker" "inspect" "6d92d892995d3cbbebcb8df452a4003844145283620e591ad5df084e71b1691e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d92d892995d3cbbebcb8df452a4003844145283620e591ad5df084e71b1691e", kill_on_drop: false }`
[INFO] [stdout] 6d92d892995d3cbbebcb8df452a4003844145283620e591ad5df084e71b1691e
