[INFO] fetching crate folder-compare-rs 0.1.0...
[INFO] testing folder-compare-rs-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate folder-compare-rs 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate folder-compare-rs 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate folder-compare-rs 0.1.0
[INFO] finished tweaking crates.io crate folder-compare-rs 0.1.0
[INFO] tweaked toml for crates.io crate folder-compare-rs 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate folder-compare-rs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8c3b45c014141c8eae99792a412708ad28fc1f0daf843ec88462aa10acc3e5c
[INFO] running `Command { std: "docker" "start" "-a" "c8c3b45c014141c8eae99792a412708ad28fc1f0daf843ec88462aa10acc3e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c3b45c014141c8eae99792a412708ad28fc1f0daf843ec88462aa10acc3e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c3b45c014141c8eae99792a412708ad28fc1f0daf843ec88462aa10acc3e5c", kill_on_drop: false }`
[INFO] [stdout] c8c3b45c014141c8eae99792a412708ad28fc1f0daf843ec88462aa10acc3e5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7145396640efb67ea12217bcb898f0a19ba9c2873aa4e262dc5a2f25a59bb720
[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" "7145396640efb67ea12217bcb898f0a19ba9c2873aa4e262dc5a2f25a59bb720", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling tracing v0.1.23
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling folder-compare-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/checksum.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt,fs};
[INFO] [stdout]   |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/checksum.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path,PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/checksum.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `TryRecvError`
[INFO] [stdout]   --> src/checksum.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::mpsc::{Receiver, Sender, TryRecvError};
[INFO] [stdout]    |                       ^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/compare.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `walkdir::WalkDir`
[INFO] [stdout]  --> src/compare.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use walkdir::WalkDir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt`, `fs`
[INFO] [stdout]  --> src/compare.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt,fs};
[INFO] [stdout]   |           ^^^ ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> src/compare.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path,PathBuf};
[INFO] [stdout]   |                 ^^^^ ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/compare.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read,Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha1::Sha1`
[INFO] [stdout]  --> src/compare.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha1::Sha1;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]   --> src/compare.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::BTreeSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/verifier.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt`, `fs`
[INFO] [stdout]  --> src/verifier.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt,fs};
[INFO] [stdout]   |           ^^^ ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/verifier.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path,PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/verifier.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read,Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha1::Sha1`
[INFO] [stdout]  --> src/verifier.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha1::Sha1;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]   --> src/verifier.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::BTreeSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/checksum.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let mut multi_bar = MultiProgress::new();
[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: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/checksum.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/compare.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/verifier.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/checksum.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |                         Err( e ) => {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/checksum.rs:82:22
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Err( e ) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/checksums.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Err( e ) => { dbg!( &fullpath ); panic!("") },   // :TODO: handle
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `algorithm`
[INFO] [stdout]   --> src/checksums.rs:36:55
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn calculate_hash(&mut self, base_dir: &Path, algorithm: &str, maybe_tx: Option< Sender< Message > > ) -> anyhow::Result< () > {
[INFO] [stdout]    |                                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_algorithm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/verifier.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         Err( e ) => {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/verifier.rs:75:22
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 Err( e ) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let mut checksum = Checksum::new( &checksum_file, &base_dir );
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Generic`
[INFO] [stdout]   --> src/checksum.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Generic( String ),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iter_mut`
[INFO] [stdout]    --> src/checksums.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn iter_mut( &mut self ) -> std::slice::IterMut::< ChecksumsEntry > {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `par_iter_mut`
[INFO] [stdout]    --> src/checksums.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn par_iter_mut( &mut self ) -> rayon::slice::IterMut::< ChecksumsEntry > {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Success`
[INFO] [stdout]  --> src/message.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Success,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Failure`
[INFO] [stdout]  --> src/message.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Failure,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/checksum.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             multi_bar.join();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/checksum.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     e.calculate_hash( &base_dir, &algorithm, Some( tx ) );
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/checksum.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         tx.send( Message::Done );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/checksum.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         checksums.save( &self.checksum_file );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/checksum.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         tokio::join!( watcher );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `$crate::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/checksums.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             f.read_to_end(&mut data);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/checksums.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     tx.send( Message::Progress( n ) );
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/checksums.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             tx.send( Message::FileDone );
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compare.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compare.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compare.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/verifier.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         n.calculate_hash( &self.base_dir, &algorithm, None );
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/verifier.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/verifier.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/verifier.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "7145396640efb67ea12217bcb898f0a19ba9c2873aa4e262dc5a2f25a59bb720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7145396640efb67ea12217bcb898f0a19ba9c2873aa4e262dc5a2f25a59bb720", kill_on_drop: false }`
[INFO] [stdout] 7145396640efb67ea12217bcb898f0a19ba9c2873aa4e262dc5a2f25a59bb720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e062097821e6b07951c0660b15b476eeec65b2fb44e755a970f452d5d222652
[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" "0e062097821e6b07951c0660b15b476eeec65b2fb44e755a970f452d5d222652", kill_on_drop: false }`
[INFO] [stderr]    Compiling folder-compare-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/checksum.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt,fs};
[INFO] [stdout]   |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/checksum.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path,PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/checksum.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `TryRecvError`
[INFO] [stdout]   --> src/checksum.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::mpsc::{Receiver, Sender, TryRecvError};
[INFO] [stdout]    |                       ^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/compare.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `walkdir::WalkDir`
[INFO] [stdout]  --> src/compare.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use walkdir::WalkDir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt`, `fs`
[INFO] [stdout]  --> src/compare.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt,fs};
[INFO] [stdout]   |           ^^^ ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> src/compare.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path,PathBuf};
[INFO] [stdout]   |                 ^^^^ ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/compare.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read,Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha1::Sha1`
[INFO] [stdout]  --> src/compare.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha1::Sha1;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]   --> src/compare.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::BTreeSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/verifier.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt`, `fs`
[INFO] [stdout]  --> src/verifier.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt,fs};
[INFO] [stdout]   |           ^^^ ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/verifier.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path,PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/verifier.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read,Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha1::Sha1`
[INFO] [stdout]  --> src/verifier.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha1::Sha1;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]   --> src/verifier.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::BTreeSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/checksum.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let mut multi_bar = MultiProgress::new();
[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: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/checksum.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/compare.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/verifier.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/checksum.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |                         Err( e ) => {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/checksum.rs:82:22
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Err( e ) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/checksums.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Err( e ) => { dbg!( &fullpath ); panic!("") },   // :TODO: handle
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `algorithm`
[INFO] [stdout]   --> src/checksums.rs:36:55
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn calculate_hash(&mut self, base_dir: &Path, algorithm: &str, maybe_tx: Option< Sender< Message > > ) -> anyhow::Result< () > {
[INFO] [stdout]    |                                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_algorithm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/verifier.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         Err( e ) => {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/verifier.rs:75:22
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 Err( e ) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let mut checksum = Checksum::new( &checksum_file, &base_dir );
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Generic`
[INFO] [stdout]   --> src/checksum.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Generic( String ),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iter_mut`
[INFO] [stdout]    --> src/checksums.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn iter_mut( &mut self ) -> std::slice::IterMut::< ChecksumsEntry > {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `par_iter_mut`
[INFO] [stdout]    --> src/checksums.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn par_iter_mut( &mut self ) -> rayon::slice::IterMut::< ChecksumsEntry > {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Success`
[INFO] [stdout]  --> src/message.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Success,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Failure`
[INFO] [stdout]  --> src/message.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Failure,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/checksum.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             multi_bar.join();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/checksum.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     e.calculate_hash( &base_dir, &algorithm, Some( tx ) );
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/checksum.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         tx.send( Message::Done );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/checksum.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         checksums.save( &self.checksum_file );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/checksum.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         tokio::join!( watcher );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `$crate::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/checksums.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             f.read_to_end(&mut data);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/checksums.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     tx.send( Message::Progress( n ) );
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/checksums.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             tx.send( Message::FileDone );
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compare.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compare.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compare.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/verifier.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         n.calculate_hash( &self.base_dir, &algorithm, None );
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/verifier.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/verifier.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/verifier.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "0e062097821e6b07951c0660b15b476eeec65b2fb44e755a970f452d5d222652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e062097821e6b07951c0660b15b476eeec65b2fb44e755a970f452d5d222652", kill_on_drop: false }`
[INFO] [stdout] 0e062097821e6b07951c0660b15b476eeec65b2fb44e755a970f452d5d222652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64248b222304bbffa7fc8d0d8f9e4fc7ca2f9ac536a957222f908d1384cdac3f
[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" "64248b222304bbffa7fc8d0d8f9e4fc7ca2f9ac536a957222f908d1384cdac3f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs`
[INFO] [stderr]  --> src/checksum.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{fmt,fs};
[INFO] [stderr]   |               ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/checksum.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path,PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/checksum.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`, `TryRecvError`
[INFO] [stderr]   --> src/checksum.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::sync::mpsc::{Receiver, Sender, TryRecvError};
[INFO] [stderr]    |                       ^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/compare.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `walkdir::WalkDir`
[INFO] [stderr]  --> src/compare.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use walkdir::WalkDir;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `fmt`, `fs`
[INFO] [stderr]  --> src/compare.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{fmt,fs};
[INFO] [stderr]   |           ^^^ ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]  --> src/compare.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path,PathBuf};
[INFO] [stderr]   |                 ^^^^ ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/compare.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read,Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sha1::Sha1`
[INFO] [stderr]  --> src/compare.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use sha1::Sha1;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeSet`
[INFO] [stderr]   --> src/compare.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::collections::BTreeSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/verifier.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `fmt`, `fs`
[INFO] [stderr]  --> src/verifier.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{fmt,fs};
[INFO] [stderr]   |           ^^^ ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/verifier.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path,PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/verifier.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read,Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sha1::Sha1`
[INFO] [stderr]  --> src/verifier.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use sha1::Sha1;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeSet`
[INFO] [stderr]   --> src/verifier.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::collections::BTreeSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/checksum.rs:105:17
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let mut multi_bar = MultiProgress::new();
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> src/checksum.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> src/compare.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> src/verifier.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/checksum.rs:77:30
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         Err( e ) => {
[INFO] [stderr]    |                              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/checksum.rs:82:22
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 Err( e ) => {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/checksums.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Err( e ) => { dbg!( &fullpath ); panic!("") },   // :TODO: handle
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `algorithm`
[INFO] [stderr]   --> src/checksums.rs:36:55
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn calculate_hash(&mut self, base_dir: &Path, algorithm: &str, maybe_tx: Option< Sender< Message > > ) -> anyhow::Result< () > {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_algorithm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/verifier.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 |                         Err( e ) => {
[INFO] [stderr]    |                              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/verifier.rs:75:22
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 Err( e ) => {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let mut checksum = Checksum::new( &checksum_file, &base_dir );
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Generic`
[INFO] [stderr]   --> src/checksum.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Generic( String ),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `iter_mut`
[INFO] [stderr]    --> src/checksums.rs:145:12
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn iter_mut( &mut self ) -> std::slice::IterMut::< ChecksumsEntry > {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `par_iter_mut`
[INFO] [stderr]    --> src/checksums.rs:149:12
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn par_iter_mut( &mut self ) -> rayon::slice::IterMut::< ChecksumsEntry > {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Success`
[INFO] [stderr]  --> src/message.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Success,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Failure`
[INFO] [stderr]  --> src/message.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Failure,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/checksum.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             multi_bar.join();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/checksum.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                     e.calculate_hash( &base_dir, &algorithm, Some( tx ) );
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/checksum.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         tx.send( Message::Done );
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/checksum.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         checksums.save( &self.checksum_file );
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stderr]    --> src/checksum.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         tokio::join!( watcher );
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `$crate::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/checksums.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             f.read_to_end(&mut data);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/checksums.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     tx.send( Message::Progress( n ) );
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/checksums.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             tx.send( Message::FileDone );
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/compare.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/compare.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/compare.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/verifier.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 |                         n.calculate_hash( &self.base_dir, &algorithm, None );
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/verifier.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/verifier.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/verifier.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 f.write_all(format!("{}\n", e.to_string_lossy() ).as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 49 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/folder_compare_rs-fdeb2e3a6ef8ee15)
[INFO] running `Command { std: "docker" "inspect" "64248b222304bbffa7fc8d0d8f9e4fc7ca2f9ac536a957222f908d1384cdac3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64248b222304bbffa7fc8d0d8f9e4fc7ca2f9ac536a957222f908d1384cdac3f", kill_on_drop: false }`
[INFO] [stdout] 64248b222304bbffa7fc8d0d8f9e4fc7ca2f9ac536a957222f908d1384cdac3f
