[INFO] cloning repository https://github.com/emschwartz/async-cache-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emschwartz/async-cache-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femschwartz%2Fasync-cache-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femschwartz%2Fasync-cache-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16c184367f076f473439015f76245224c90911b5
[INFO] checking emschwartz/async-cache-rs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femschwartz%2Fasync-cache-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emschwartz/async-cache-rs on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emschwartz/async-cache-rs
[INFO] finished tweaking git repo https://github.com/emschwartz/async-cache-rs
[INFO] tweaked toml for git repo https://github.com/emschwartz/async-cache-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/emschwartz/async-cache-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] b5678788b9204618a738b972343cfb12ba1107201aa3b4aa4f860abcbd54be59
[INFO] running `Command { std: "docker" "start" "-a" "b5678788b9204618a738b972343cfb12ba1107201aa3b4aa4f860abcbd54be59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5678788b9204618a738b972343cfb12ba1107201aa3b4aa4f860abcbd54be59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5678788b9204618a738b972343cfb12ba1107201aa3b4aa4f860abcbd54be59", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92d897c48349aa837c9fe1a5765aa8d4a20bd6103ef74361a30f415edb09318b
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[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking pin-project-lite v0.2.7
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[INFO] [stderr]     Checking async-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]   --> src/async_cache.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn with_capacity(capacity: usize) -> Self {
[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: `get`
[INFO] [stdout]   --> src/async_cache.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub async fn get(&self, key: &Key) -> Option<Val> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/async_cache.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub async fn set(&self, key: Key, value: Val, ttl: Duration) -> bool {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/async_cache.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub async fn remove(&self, key: &Key) -> bool {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/async_cache.rs:76:18
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub async fn clear(&self) {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/async_cache.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub async fn len(&self) -> usize {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/async_cache.rs:86:18
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub async fn is_empty(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_expired_items`
[INFO] [stdout]   --> src/async_cache.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub async fn has_expired_items(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_expired_items`
[INFO] [stdout]   --> src/async_cache.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub async fn remove_expired_items(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]   --> src/sync_cache.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/sync_cache.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/sync_cache.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/sync_cache.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `capacity`
[INFO] [stdout]   --> src/sync_cache.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_with_expiry`
[INFO] [stdout]   --> src/sync_cache.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub(crate) fn get_with_expiry(&self, key: &Key) -> Option<&(Val, DateTime<Utc>)> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/sync_cache.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn remove(&mut self, key: &Key) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_expired_items`
[INFO] [stdout]   --> src/sync_cache.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn has_expired_items(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_expired_items`
[INFO] [stdout]    --> src/sync_cache.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn remove_expired_items(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/async_cache.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub async fn remove(&self, key: &Key) -> bool {
[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: `clear`
[INFO] [stdout]   --> src/async_cache.rs:76:18
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub async fn clear(&self) {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/async_cache.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub async fn len(&self) -> usize {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_expired_items`
[INFO] [stdout]   --> src/async_cache.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub async fn has_expired_items(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_expired_items`
[INFO] [stdout]   --> src/async_cache.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub async fn remove_expired_items(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/sync_cache.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `capacity`
[INFO] [stdout]   --> src/sync_cache.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.15s
[INFO] running `Command { std: "docker" "inspect" "92d897c48349aa837c9fe1a5765aa8d4a20bd6103ef74361a30f415edb09318b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d897c48349aa837c9fe1a5765aa8d4a20bd6103ef74361a30f415edb09318b", kill_on_drop: false }`
[INFO] [stdout] 92d897c48349aa837c9fe1a5765aa8d4a20bd6103ef74361a30f415edb09318b