[INFO] cloning repository https://github.com/Wcubed/asset_keeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wcubed/asset_keeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWcubed%2Fasset_keeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWcubed%2Fasset_keeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e428c2625dbeaefd47dab1953a376e5079fdb61d
[INFO] checking Wcubed/asset_keeper against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWcubed%2Fasset_keeper" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wcubed/asset_keeper on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wcubed/asset_keeper
[INFO] finished tweaking git repo https://github.com/Wcubed/asset_keeper
[INFO] tweaked toml for git repo https://github.com/Wcubed/asset_keeper written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Wcubed/asset_keeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded naughty-strings v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f314599a75b19d3ee808c0c591a0adc95882bd6cd2d194c58692cca363a31d85
[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" "f314599a75b19d3ee808c0c591a0adc95882bd6cd2d194c58692cca363a31d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f314599a75b19d3ee808c0c591a0adc95882bd6cd2d194c58692cca363a31d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f314599a75b19d3ee808c0c591a0adc95882bd6cd2d194c58692cca363a31d85", kill_on_drop: false }`
[INFO] [stdout] f314599a75b19d3ee808c0c591a0adc95882bd6cd2d194c58692cca363a31d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 073ba6421cbfcb017abceaf53bd5ec558e6787e3c2bec3a6ee80a6db3ff1954c
[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" "073ba6421cbfcb017abceaf53bd5ec558e6787e3c2bec3a6ee80a6db3ff1954c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking asset_keeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FileId`
[INFO] [stdout]  --> src/data.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::stores::file_store::{FileId, FileStore, KnownExtension};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Data`
[INFO] [stdout]  --> src/data.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Data {
[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: `new`
[INFO] [stdout]   --> src/data.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(save_dir: &Path, files_dir: &Path) -> Result<Data> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_asset_from_disk`
[INFO] [stdout]   --> src/data.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn add_asset_from_disk(&mut self, title: &str, file: &Path) -> Result<AssetId> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `asset_count`
[INFO] [stdout]   --> src/data.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn asset_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assets_iter`
[INFO] [stdout]   --> src/data.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn assets_iter(&self) -> Iter<AssetId, Asset> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_asset`
[INFO] [stdout]   --> src/data.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn get_asset(&self, id: AssetId) -> Option<&Asset> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_id`
[INFO] [stdout]   --> src/stores/asset_store.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     next_id: AssetId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/stores/asset_store.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new() -> AssetStore {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_asset`
[INFO] [stdout]   --> src/stores/asset_store.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new_asset(&mut self, title: &str, file: FileId) -> AssetId {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `title`
[INFO] [stdout]   --> src/stores/asset_store.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     title: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> src/stores/asset_store.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     file: FileId,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `title`
[INFO] [stdout]   --> src/stores/asset_store.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn title(&self) -> &String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file`
[INFO] [stdout]   --> src/stores/asset_store.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn file(&self) -> &FileId {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/stores/file_store.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `next_id`
[INFO] [stdout]   --> src/stores/file_store.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     next_id: FileId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/stores/file_store.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new() -> FileStore {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_file`
[INFO] [stdout]   --> src/stores/file_store.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new_file(&mut self, title: &str, extension: KnownExtension) -> (FileId, PathBuf) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/stores/file_store.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     id: FileId,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `title`
[INFO] [stdout]   --> src/stores/file_store.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     title: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `extension`
[INFO] [stdout]   --> src/stores/file_store.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     extension: KnownExtension,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `title`
[INFO] [stdout]   --> src/stores/file_store.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn title(&self) -> &str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extension`
[INFO] [stdout]   --> src/stores/file_store.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn extension(&self) -> &KnownExtension {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_name`
[INFO] [stdout]   --> src/stores/file_store.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn file_name(&self) -> PathBuf {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Png`
[INFO] [stdout]   --> src/stores/file_store.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Png,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]    --> src/stores/file_store.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn from_str(string: &str) -> Option<KnownExtension> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_path`
[INFO] [stdout]    --> src/stores/file_store.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn from_path(path: &Path) -> Option<KnownExtension> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_str`
[INFO] [stdout]    --> src/stores/file_store.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn to_str(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking naughty-strings v0.2.3
[INFO] [stdout] warning: unused import: `FileId`
[INFO] [stdout]  --> src/data.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::stores::file_store::{FileId, FileStore, KnownExtension};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/stores/asset_store.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/data.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let data = Data::new(&save_dir, &file_dir);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `save_dir`
[INFO] [stdout]  --> src/data.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     save_dir: PathBuf,
[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: `assets_iter`
[INFO] [stdout]   --> src/data.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn assets_iter(&self) -> Iter<AssetId, Asset> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `title`
[INFO] [stdout]   --> src/stores/file_store.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     title: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `title`
[INFO] [stdout]   --> src/stores/file_store.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn title(&self) -> &str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extension`
[INFO] [stdout]   --> src/stores/file_store.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn extension(&self) -> &KnownExtension {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.93s
[INFO] running `Command { std: "docker" "inspect" "073ba6421cbfcb017abceaf53bd5ec558e6787e3c2bec3a6ee80a6db3ff1954c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073ba6421cbfcb017abceaf53bd5ec558e6787e3c2bec3a6ee80a6db3ff1954c", kill_on_drop: false }`
[INFO] [stdout] 073ba6421cbfcb017abceaf53bd5ec558e6787e3c2bec3a6ee80a6db3ff1954c