[INFO] cloning repository https://github.com/spookyvision/fileperson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spookyvision/fileperson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspookyvision%2Ffileperson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspookyvision%2Ffileperson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe3d082f62c19c1b95bde701f653c9e9fe2e245f
[INFO] checking spookyvision/fileperson against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspookyvision%2Ffileperson" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spookyvision/fileperson on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spookyvision/fileperson
[INFO] finished tweaking git repo https://github.com/spookyvision/fileperson
[INFO] tweaked toml for git repo https://github.com/spookyvision/fileperson written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/spookyvision/fileperson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cabf32b90fe3e21e72346c628530a019cc40546c5f58be0d8ad1e2ea35805abf
[INFO] running `Command { std: "docker" "start" "-a" "cabf32b90fe3e21e72346c628530a019cc40546c5f58be0d8ad1e2ea35805abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cabf32b90fe3e21e72346c628530a019cc40546c5f58be0d8ad1e2ea35805abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabf32b90fe3e21e72346c628530a019cc40546c5f58be0d8ad1e2ea35805abf", kill_on_drop: false }`
[INFO] [stdout] cabf32b90fe3e21e72346c628530a019cc40546c5f58be0d8ad1e2ea35805abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c5d2296a2222e1139d1a76fda0b47f35efb742b77c6c23c572adb5480ffb47
[INFO] running `Command { std: "docker" "start" "-a" "60c5d2296a2222e1139d1a76fda0b47f35efb742b77c6c23c572adb5480ffb47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking lipsum v0.8.0
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking fileperson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `caseless::default_case_fold_str`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use caseless::default_case_fold_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeSet`, `Cow`, `HashMap`, `iter::Filter`, `rc::Rc`
[INFO] [stdout]   --> src/lib.rs:6:22
[INFO] [stdout]    |
[INFO] [stdout] 6  |     borrow::{Borrow, Cow},
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 7  |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]    |                   ^^^^^^^^  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     iter::Filter,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 13 |     path::{Path, PathBuf},
[INFO] [stdout] 14 |     rc::Rc,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `caseless::default_case_fold_str`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use caseless::default_case_fold_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeSet`, `Cow`, `HashMap`, `iter::Filter`, `rc::Rc`
[INFO] [stdout]   --> src/lib.rs:6:22
[INFO] [stdout]    |
[INFO] [stdout] 6  |     borrow::{Borrow, Cow},
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 7  |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]    |                   ^^^^^^^^  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     iter::Filter,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 13 |     path::{Path, PathBuf},
[INFO] [stdout] 14 |     rc::Rc,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::SliceRandom`
[INFO] [stdout]    --> src/lib.rs:217:16
[INFO] [stdout]     |
[INFO] [stdout] 217 |     use rand::{prelude::SliceRandom, Rng};
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tags`
[INFO] [stdout]    --> src/lib.rs:109:32
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn set_tags(&mut self, tags: Vec<TagRef>) {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_tags`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirs`
[INFO] [stdout]    --> src/lib.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let (files, dirs) = Self::files(root);
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tags`
[INFO] [stdout]    --> src/lib.rs:109:32
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn set_tags(&mut self, tags: Vec<TagRef>) {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_tags`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirs`
[INFO] [stdout]    --> src/lib.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let (files, dirs) = Self::files(root);
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Action`
[INFO] [stdout]   --> src/lib.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Action<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]    --> src/lib.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     files: Vec<PathBuf>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/lib.rs:173:29
[INFO] [stdout]     |
[INFO] [stdout] 173 | ...                   p.parent();
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Action`
[INFO] [stdout]   --> src/lib.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Action<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/lib.rs:173:29
[INFO] [stdout]     |
[INFO] [stdout] 173 | ...                   p.parent();
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |             state.add(fi);
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let root = root.desktop_dir().unwrap();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let root = root.desktop_dir().unwrap();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.71s
[INFO] running `Command { std: "docker" "inspect" "60c5d2296a2222e1139d1a76fda0b47f35efb742b77c6c23c572adb5480ffb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c5d2296a2222e1139d1a76fda0b47f35efb742b77c6c23c572adb5480ffb47", kill_on_drop: false }`
[INFO] [stdout] 60c5d2296a2222e1139d1a76fda0b47f35efb742b77c6c23c572adb5480ffb47