[INFO] cloning repository https://github.com/abundance-io/mysync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abundance-io/mysync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabundance-io%2Fmysync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabundance-io%2Fmysync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ca0808e20badd0e24be225689319fae19cf4ca5
[INFO] checking abundance-io/mysync against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabundance-io%2Fmysync" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abundance-io/mysync on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abundance-io/mysync
[INFO] finished tweaking git repo https://github.com/abundance-io/mysync
[INFO] tweaked toml for git repo https://github.com/abundance-io/mysync written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/abundance-io/mysync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysinfo v0.24.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95df4c570528bd7b6a4c7eb59d08896ce15bcf8ba17a4548c4952a1ab6c5a8e1
[INFO] running `Command { std: "docker" "start" "-a" "95df4c570528bd7b6a4c7eb59d08896ce15bcf8ba17a4548c4952a1ab6c5a8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95df4c570528bd7b6a4c7eb59d08896ce15bcf8ba17a4548c4952a1ab6c5a8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95df4c570528bd7b6a4c7eb59d08896ce15bcf8ba17a4548c4952a1ab6c5a8e1", kill_on_drop: false }`
[INFO] [stdout] 95df4c570528bd7b6a4c7eb59d08896ce15bcf8ba17a4548c4952a1ab6c5a8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6038bac1334303244c1f978353c1eecfbf3073d461b36140aab1ac34a5537f9f
[INFO] running `Command { std: "docker" "start" "-a" "6038bac1334303244c1f978353c1eecfbf3073d461b36140aab1ac34a5537f9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling sysinfo v0.24.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking mysync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `clone`
[INFO] [stdout]  --> src/file_check.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::Metadata, clone};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clone`
[INFO] [stdout]  --> src/file_check.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::Metadata, clone};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `action` and `directory` are never read
[INFO] [stdout]   --> src/file_check.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Change {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     action: Action,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     directory: DirEntry,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Change` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Entry` should have a snake case name
[INFO] [stdout]   --> src/file_check.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Entry:DirEntry,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/file_check.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         &prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         let _ = &prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/file_check.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 &mut prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 let _ = &mut prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `action` and `directory` are never read
[INFO] [stdout]   --> src/file_check.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Change {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     action: Action,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     directory: DirEntry,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Change` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Entry` should have a snake case name
[INFO] [stdout]   --> src/file_check.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Entry:DirEntry,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/file_check.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         &prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         let _ = &prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/file_check.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 &mut prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 let _ = &mut prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "6038bac1334303244c1f978353c1eecfbf3073d461b36140aab1ac34a5537f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6038bac1334303244c1f978353c1eecfbf3073d461b36140aab1ac34a5537f9f", kill_on_drop: false }`
[INFO] [stdout] 6038bac1334303244c1f978353c1eecfbf3073d461b36140aab1ac34a5537f9f
[INFO] checking abundance-io/mysync against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabundance-io%2Fmysync" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abundance-io/mysync on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abundance-io/mysync
[INFO] finished tweaking git repo https://github.com/abundance-io/mysync
[INFO] tweaked toml for git repo https://github.com/abundance-io/mysync written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/abundance-io/mysync 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac1d51d7d21c0f9f31c5b314b1b0e0945c7556e858510b3ca9940c72b29c28c1
[INFO] running `Command { std: "docker" "start" "-a" "ac1d51d7d21c0f9f31c5b314b1b0e0945c7556e858510b3ca9940c72b29c28c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1d51d7d21c0f9f31c5b314b1b0e0945c7556e858510b3ca9940c72b29c28c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1d51d7d21c0f9f31c5b314b1b0e0945c7556e858510b3ca9940c72b29c28c1", kill_on_drop: false }`
[INFO] [stdout] ac1d51d7d21c0f9f31c5b314b1b0e0945c7556e858510b3ca9940c72b29c28c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 122709114f5b8ed9d31c07ecd496282d3ed445710ab11a67f75bf8605f256e96
[INFO] running `Command { std: "docker" "start" "-a" "122709114f5b8ed9d31c07ecd496282d3ed445710ab11a67f75bf8605f256e96", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling sysinfo v0.24.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking mysync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `clone`
[INFO] [stdout]  --> src/file_check.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::Metadata, clone};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clone`
[INFO] [stdout]  --> src/file_check.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::Metadata, clone};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `action` and `directory` are never read
[INFO] [stdout]   --> src/file_check.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Change {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     action: Action,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     directory: DirEntry,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Change` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Entry` should have a snake case name
[INFO] [stdout]   --> src/file_check.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Entry:DirEntry,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/file_check.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         &prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         let _ = &prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/file_check.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 &mut prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 let _ = &mut prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `action` and `directory` are never read
[INFO] [stdout]   --> src/file_check.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Change {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     action: Action,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     directory: DirEntry,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Change` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Entry` should have a snake case name
[INFO] [stdout]   --> src/file_check.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Entry:DirEntry,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/file_check.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         &prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         let _ = &prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/file_check.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 &mut prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 let _ = &mut prev_state.retain(|x| x.Entry.path() != item.Entry.path());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "122709114f5b8ed9d31c07ecd496282d3ed445710ab11a67f75bf8605f256e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "122709114f5b8ed9d31c07ecd496282d3ed445710ab11a67f75bf8605f256e96", kill_on_drop: false }`
[INFO] [stdout] 122709114f5b8ed9d31c07ecd496282d3ed445710ab11a67f75bf8605f256e96