[INFO] fetching crate firefly 0.0.1-beta...
[INFO] testing firefly-0.0.1-beta against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate firefly 0.0.1-beta into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate firefly 0.0.1-beta
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate firefly 0.0.1-beta
[INFO] tweaked toml for crates.io crate firefly 0.0.1-beta written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate firefly 0.0.1-beta on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 112 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usync v0.2.1
[INFO] [stderr]   Downloaded dry v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 080e36628eb9d646b5bf9027c0829ed92b286b1e8c70818dd7a93571e352afa0
[INFO] running `Command { std: "docker" "start" "-a" "080e36628eb9d646b5bf9027c0829ed92b286b1e8c70818dd7a93571e352afa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "080e36628eb9d646b5bf9027c0829ed92b286b1e8c70818dd7a93571e352afa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080e36628eb9d646b5bf9027c0829ed92b286b1e8c70818dd7a93571e352afa0", kill_on_drop: false }`
[INFO] [stdout] 080e36628eb9d646b5bf9027c0829ed92b286b1e8c70818dd7a93571e352afa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2be821dc5f3361013854a252466b310ec0fceb3db5c6d670b5ceffcb779b3149
[INFO] running `Command { std: "docker" "start" "-a" "2be821dc5f3361013854a252466b310ec0fceb3db5c6d670b5ceffcb779b3149", kill_on_drop: false }`
[INFO] [stderr]    Compiling usync v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling firefly v0.0.1-beta (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `queue::TaskQueue`
[INFO] [stdout]  --> src/raw/parking/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use queue::TaskQueue;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task::Task`
[INFO] [stdout]   --> src/raw/parking/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use task::Task;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/mpmc/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:286:15
[INFO] [stdout]     |
[INFO] [stdout] 286 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/spmc/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:171:15
[INFO] [stdout]     |
[INFO] [stdout] 171 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:271:15
[INFO] [stdout]     |
[INFO] [stdout] 271 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/raw/intrusive.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let mut tail = self.tail?.as_mut();
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/raw/parking/queue.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |             unsafe { blocking::block_on(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/channels/mpsc/bounded.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub unsafe fn is_empty(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load` is never used
[INFO] [stdout]    --> src/channels/mpsc/bounded.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 141 |     impl Counter {
[INFO] [stdout]     |     ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |         pub fn load(&self) -> usize {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_push` is never used
[INFO] [stdout]   --> src/channels/spmc/bounded.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn can_push(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `addr`, `with_addr`, and `map_addr` are never used
[INFO] [stdout]   --> src/raw/util.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub unsafe trait StrictProvenance: Sized {
[INFO] [stdout]    |                  ---------------- methods in this trait
[INFO] [stdout] 87 |     fn addr(self) -> usize;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 88 |     fn with_addr(self, addr: usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 89 |     fn map_addr(self, f: impl FnOnce(usize) -> usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "2be821dc5f3361013854a252466b310ec0fceb3db5c6d670b5ceffcb779b3149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be821dc5f3361013854a252466b310ec0fceb3db5c6d670b5ceffcb779b3149", kill_on_drop: false }`
[INFO] [stdout] 2be821dc5f3361013854a252466b310ec0fceb3db5c6d670b5ceffcb779b3149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a59dbab0ba4c204f53d32ee08b85a0880423075e9ed8ba1bd61979fb816d1b98
[INFO] running `Command { std: "docker" "start" "-a" "a59dbab0ba4c204f53d32ee08b85a0880423075e9ed8ba1bd61979fb816d1b98", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling dry v0.1.1
[INFO] [stdout] warning: unused import: `queue::TaskQueue`
[INFO] [stdout]  --> src/raw/parking/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use queue::TaskQueue;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task::Task`
[INFO] [stdout]   --> src/raw/parking/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use task::Task;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/mpmc/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:286:15
[INFO] [stdout]     |
[INFO] [stdout] 286 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/spmc/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:171:15
[INFO] [stdout]     |
[INFO] [stdout] 171 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:271:15
[INFO] [stdout]     |
[INFO] [stdout] 271 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/raw/intrusive.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let mut tail = self.tail?.as_mut();
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/raw/parking/queue.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |             unsafe { blocking::block_on(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/channels/mpsc/bounded.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub unsafe fn is_empty(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load` is never used
[INFO] [stdout]    --> src/channels/mpsc/bounded.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 141 |     impl Counter {
[INFO] [stdout]     |     ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |         pub fn load(&self) -> usize {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_push` is never used
[INFO] [stdout]   --> src/channels/spmc/bounded.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn can_push(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `addr`, `with_addr`, and `map_addr` are never used
[INFO] [stdout]   --> src/raw/util.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub unsafe trait StrictProvenance: Sized {
[INFO] [stdout]    |                  ---------------- methods in this trait
[INFO] [stdout] 87 |     fn addr(self) -> usize;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 88 |     fn with_addr(self, addr: usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 89 |     fn map_addr(self, f: impl FnOnce(usize) -> usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling thingbuf v0.1.6
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling firefly v0.0.1-beta (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/auto_traits.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct SendNotSync(*mut ());
[INFO] [stdout]   |        ----------- ^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `queue::TaskQueue`
[INFO] [stdout]  --> src/raw/parking/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use queue::TaskQueue;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task::Task`
[INFO] [stdout]   --> src/raw/parking/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use task::Task;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/mpmc/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:286:15
[INFO] [stdout]     |
[INFO] [stdout] 286 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/spmc/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:171:15
[INFO] [stdout]     |
[INFO] [stdout] 171 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:271:15
[INFO] [stdout]     |
[INFO] [stdout] 271 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/raw/intrusive.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let mut tail = self.tail?.as_mut();
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/raw/parking/queue.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |             unsafe { blocking::block_on(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/channels/mpsc/bounded.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub unsafe fn is_empty(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load` is never used
[INFO] [stdout]    --> src/channels/mpsc/bounded.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 141 |     impl Counter {
[INFO] [stdout]     |     ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |         pub fn load(&self) -> usize {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_push` is never used
[INFO] [stdout]   --> src/channels/spmc/bounded.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn can_push(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `addr`, `with_addr`, and `map_addr` are never used
[INFO] [stdout]   --> src/raw/util.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub unsafe trait StrictProvenance: Sized {
[INFO] [stdout]    |                  ---------------- methods in this trait
[INFO] [stdout] 87 |     fn addr(self) -> usize;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 88 |     fn with_addr(self, addr: usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 89 |     fn map_addr(self, f: impl FnOnce(usize) -> usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.31s
[INFO] running `Command { std: "docker" "inspect" "a59dbab0ba4c204f53d32ee08b85a0880423075e9ed8ba1bd61979fb816d1b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59dbab0ba4c204f53d32ee08b85a0880423075e9ed8ba1bd61979fb816d1b98", kill_on_drop: false }`
[INFO] [stdout] a59dbab0ba4c204f53d32ee08b85a0880423075e9ed8ba1bd61979fb816d1b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c6ad70332e3d8ba7b6ca6f31449753c788fc34a2198234a43dd5e0fffaa81e26
[INFO] running `Command { std: "docker" "start" "-a" "c6ad70332e3d8ba7b6ca6f31449753c788fc34a2198234a43dd5e0fffaa81e26", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `queue::TaskQueue`
[INFO] [stderr]  --> src/raw/parking/mod.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub use queue::TaskQueue;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `task::Task`
[INFO] [stderr]   --> src/raw/parking/mod.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub use task::Task;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/channels/mpmc/mod.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/mpmc/mod.rs:110:15
[INFO] [stderr]     |
[INFO] [stderr] 110 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stderr]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/mpmc/mod.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/mpmc/mod.rs:180:15
[INFO] [stderr]     |
[INFO] [stderr] 180 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stderr]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/mpmc/mod.rs:281:9
[INFO] [stderr]     |
[INFO] [stderr] 281 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/mpmc/mod.rs:286:15
[INFO] [stderr]     |
[INFO] [stderr] 286 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stderr]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/channels/spmc/mod.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/spmc/mod.rs:104:15
[INFO] [stderr]     |
[INFO] [stderr] 104 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stderr]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/spmc/mod.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/spmc/mod.rs:171:15
[INFO] [stderr]     |
[INFO] [stderr] 171 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stderr]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/spmc/mod.rs:266:9
[INFO] [stderr]     |
[INFO] [stderr] 266 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channels/spmc/mod.rs:271:15
[INFO] [stderr]     |
[INFO] [stderr] 271 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stderr]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/raw/intrusive.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let mut tail = self.tail?.as_mut();
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/raw/parking/queue.rs:217:13
[INFO] [stderr]     |
[INFO] [stderr] 217 |             unsafe { blocking::block_on(self) }
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_empty` is never used
[INFO] [stderr]   --> src/channels/mpsc/bounded.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl<T> Queue<T> {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub unsafe fn is_empty(&self) -> bool {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `load` is never used
[INFO] [stderr]    --> src/channels/mpsc/bounded.rs:146:16
[INFO] [stderr]     |
[INFO] [stderr] 141 |     impl Counter {
[INFO] [stderr]     |     ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 146 |         pub fn load(&self) -> usize {
[INFO] [stderr]     |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `can_push` is never used
[INFO] [stderr]   --> src/channels/spmc/bounded.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl<T> Queue<T> {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 58 |     pub fn can_push(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `addr`, `with_addr`, and `map_addr` are never used
[INFO] [stderr]   --> src/raw/util.rs:87:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub unsafe trait StrictProvenance: Sized {
[INFO] [stderr]    |                  ---------------- methods in this trait
[INFO] [stderr] 87 |     fn addr(self) -> usize;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 88 |     fn with_addr(self, addr: usize) -> Self;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 89 |     fn map_addr(self, f: impl FnOnce(usize) -> usize) -> Self;
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `firefly` (lib) generated 20 warnings (run `cargo fix --lib -p firefly` to apply 3 suggestions)
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/auto_traits.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct SendNotSync(*mut ());
[INFO] [stderr]   |        ----------- ^^^^^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `firefly` (test "auto_traits") generated 1 warning
[INFO] [stderr] warning: `firefly` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/firefly-be5559ec6ec58a60)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/auto_traits.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/auto_traits-1424d8bb65cf86f0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test auto_traits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6ad70332e3d8ba7b6ca6f31449753c788fc34a2198234a43dd5e0fffaa81e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ad70332e3d8ba7b6ca6f31449753c788fc34a2198234a43dd5e0fffaa81e26", kill_on_drop: false }`
[INFO] [stdout] c6ad70332e3d8ba7b6ca6f31449753c788fc34a2198234a43dd5e0fffaa81e26