[INFO] fetching crate c5store 0.2.3...
[INFO] checking c5store-0.2.3 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate c5store 0.2.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate c5store 0.2.3 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c5store 0.2.3
[INFO] finished tweaking crates.io crate c5store 0.2.3
[INFO] tweaked toml for crates.io crate c5store 0.2.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bf4fe9a4bce191560793d6f9c0136a4953e1aaa6f4afc3d030d80fa0fb1a250
[INFO] running `Command { std: "docker" "start" "-a" "0bf4fe9a4bce191560793d6f9c0136a4953e1aaa6f4afc3d030d80fa0fb1a250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bf4fe9a4bce191560793d6f9c0136a4953e1aaa6f4afc3d030d80fa0fb1a250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf4fe9a4bce191560793d6f9c0136a4953e1aaa6f4afc3d030d80fa0fb1a250", kill_on_drop: false }`
[INFO] [stdout] 0bf4fe9a4bce191560793d6f9c0136a4953e1aaa6f4afc3d030d80fa0fb1a250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07097068459ac211fc227e18a704ea7b475b8dbce30fb859ae2bffa9f89c467b
[INFO] running `Command { std: "docker" "start" "-a" "07097068459ac211fc227e18a704ea7b475b8dbce30fb859ae2bffa9f89c467b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cipher v0.2.5
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[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking universal-hash v0.4.1
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[INFO] [stderr]    Compiling lexical-core v0.7.6
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[INFO] [stderr]    Compiling der-oid-macro v0.2.0
[INFO] [stderr]     Checking der-parser v4.1.1
[INFO] [stderr]     Checking curve25519-parser v0.2.0
[INFO] [stderr]     Checking ecies_25519 v0.1.0
[INFO] [stderr]     Checking c5store v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stdout]    --> src/lib.rs:115:50
[INFO] [stdout]     |
[INFO] [stdout] 115 |       thread_pool: Arc::new(ScheduledThreadPool::with_name("c5Store_change_notifier", 1)),
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stdout]    --> src/lib.rs:115:50
[INFO] [stdout]     |
[INFO] [stdout] 115 |       thread_pool: Arc::new(ScheduledThreadPool::with_name("c5Store_change_notifier", 1)),
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stdout]    --> src/lib.rs:356:52
[INFO] [stdout]     |
[INFO] [stdout] 356 |       _scheduled_thread_pool: ScheduledThreadPool::with_name("c5store_mgr", 8),
[INFO] [stdout]     |                                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stdout]    --> src/lib.rs:356:52
[INFO] [stdout]     |
[INFO] [stdout] 356 |       _scheduled_thread_pool: ScheduledThreadPool::with_name("c5store_mgr", 8),
[INFO] [stdout]     |                                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_subscribers` is never used
[INFO] [stdout]    --> src/internal.rs:309:10
[INFO] [stdout]     |
[INFO] [stdout] 303 | impl C5StoreSubscriptions {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 309 |   pub fn with_subscribers<SubscriberFn>(&self, key_path: &str, subscriber_fn: SubscriberFn)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_bytes` is never used
[INFO] [stdout]    --> src/value.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 277 | impl C5DataValue {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 278 |
[INFO] [stdout] 279 |   pub(crate) fn as_bytes(&self) -> Option<Vec<u8>> {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:396:55
[INFO] [stdout]     |
[INFO] [stdout] 396 |     self._value_providers.lock().insert(Box::from(name.clone()), Box::from(value_provider));
[INFO] [stdout]     |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/internal.rs:325:28
[INFO] [stdout]     |
[INFO] [stdout] 325 |     for change_listener in rwlock.get(notify_key_path) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 325 |     while let Some(change_listener) = rwlock.get(notify_key_path) {
[INFO] [stdout]     |     ~~~~~~~~~~~~~~~               ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 325 |     if let Some(change_listener) = rwlock.get(notify_key_path) {
[INFO] [stdout]     |     ~~~~~~~~~~~~               ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_subscribers` is never used
[INFO] [stdout]    --> src/internal.rs:309:10
[INFO] [stdout]     |
[INFO] [stdout] 303 | impl C5StoreSubscriptions {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 309 |   pub fn with_subscribers<SubscriberFn>(&self, key_path: &str, subscriber_fn: SubscriberFn)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_bytes` is never used
[INFO] [stdout]    --> src/value.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 277 | impl C5DataValue {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 278 |
[INFO] [stdout] 279 |   pub(crate) fn as_bytes(&self) -> Option<Vec<u8>> {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:396:55
[INFO] [stdout]     |
[INFO] [stdout] 396 |     self._value_providers.lock().insert(Box::from(name.clone()), Box::from(value_provider));
[INFO] [stdout]     |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/internal.rs:325:28
[INFO] [stdout]     |
[INFO] [stdout] 325 |     for change_listener in rwlock.get(notify_key_path) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 325 |     while let Some(change_listener) = rwlock.get(notify_key_path) {
[INFO] [stdout]     |     ~~~~~~~~~~~~~~~               ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 325 |     if let Some(change_listener) = rwlock.get(notify_key_path) {
[INFO] [stdout]     |     ~~~~~~~~~~~~               ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "07097068459ac211fc227e18a704ea7b475b8dbce30fb859ae2bffa9f89c467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07097068459ac211fc227e18a704ea7b475b8dbce30fb859ae2bffa9f89c467b", kill_on_drop: false }`
[INFO] [stdout] 07097068459ac211fc227e18a704ea7b475b8dbce30fb859ae2bffa9f89c467b
