[INFO] cloning repository https://github.com/chinaxxren/rust-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chinaxxren/rust-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Frust-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Frust-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3558a785504aea03bba96b10ba2de371c25f3651 [INFO] testing chinaxxren/rust-rs against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Frust-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chinaxxren/rust-rs on toolchain 595316b4006932405a63862d8fe65f71a6356293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chinaxxren/rust-rs [INFO] finished tweaking git repo https://github.com/chinaxxren/rust-rs [INFO] tweaked toml for git repo https://github.com/chinaxxren/rust-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/chinaxxren/rust-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] testing chinaxxren/rust-rs against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Frust-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chinaxxren/rust-rs on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chinaxxren/rust-rs [INFO] finished tweaking git repo https://github.com/chinaxxren/rust-rs [INFO] tweaked toml for git repo https://github.com/chinaxxren/rust-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/chinaxxren/rust-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f6d7f14a119bdc4bc3f26f86b5899c8862bd15d7731b37d3873e2c3982929dc [INFO] running `Command { std: "docker" "start" "-a" "8f6d7f14a119bdc4bc3f26f86b5899c8862bd15d7731b37d3873e2c3982929dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f6d7f14a119bdc4bc3f26f86b5899c8862bd15d7731b37d3873e2c3982929dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f6d7f14a119bdc4bc3f26f86b5899c8862bd15d7731b37d3873e2c3982929dc", kill_on_drop: false }` [INFO] [stdout] 8f6d7f14a119bdc4bc3f26f86b5899c8862bd15d7731b37d3873e2c3982929dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0631c23353b8fb50da3a8c265a190a77572741c2e3b69af6f9b9ffd252681e12 [INFO] running `Command { std: "docker" "start" "-a" "0631c23353b8fb50da3a8c265a190a77572741c2e3b69af6f9b9ffd252681e12", kill_on_drop: false }` [INFO] [stderr] Compiling rust-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/demo/un_movable.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut still_unmoved = unmoved; [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: struct `Rc` is never constructed [INFO] [stdout] --> src/demo/my_weak.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Rc { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Weak` is never constructed [INFO] [stdout] --> src/demo/my_weak.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Weak { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Inner` is never constructed [INFO] [stdout] --> src/demo/my_weak.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | struct Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `downgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stdout] --> src/demo/my_weak.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Rc { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 23 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn downgrade(&self) -> Weak { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn strong_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn weak_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn inner(&self) -> &Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `upgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stdout] --> src/demo/my_weak.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 85 | impl Weak { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 86 | fn upgrade(&self) -> Option> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 96 | fn strong_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn weak_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | fn inner(&self) -> &Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/demo/my_weak.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Arc` is never constructed [INFO] [stdout] --> src/demo/my_arc.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Arc { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Weak` is never constructed [INFO] [stdout] --> src/demo/my_arc.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Weak { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Inner` is never constructed [INFO] [stdout] --> src/demo/my_arc.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `downgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stdout] --> src/demo/my_arc.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Arc { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 21 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | fn downgrade(&self) -> Weak { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn strong_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn weak_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn inner(&self) -> &Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `upgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stdout] --> src/demo/my_arc.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 80 | impl Weak { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 81 | fn upgrade(&self) -> Option> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | fn strong_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | fn weak_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | fn inner(&self) -> &Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/demo/my_arc.rs:124:4 [INFO] [stdout] | [INFO] [stdout] 124 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SelfRef` is never constructed [INFO] [stdout] --> src/demo/self_ref.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct SelfRef { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `init`, `value`, and `pointer_to_value` are never used [INFO] [stdout] --> src/demo/self_ref.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl SelfRef { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 8 | fn new(txt: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn init(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn value(&self) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn pointer_to_value(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/demo/self_ref.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Unmovable` is never constructed [INFO] [stdout] --> src/demo/un_movable.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Unmovable { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/demo/un_movable.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Unmovable { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 15 | // 为了确保函数返回时数据的所有权不会被转移，我们将它放在堆上，唯一的访问方式就是通过指针 [INFO] [stdout] 16 | fn new(data: String) -> Pin> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/demo/un_movable.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/demo/my_weak.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/demo/my_weak.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 125 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/demo/my_arc.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 71 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/demo/my_arc.rs:117:21 [INFO] [stdout] | [INFO] [stdout] 117 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 117 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "0631c23353b8fb50da3a8c265a190a77572741c2e3b69af6f9b9ffd252681e12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0631c23353b8fb50da3a8c265a190a77572741c2e3b69af6f9b9ffd252681e12", kill_on_drop: false }` [INFO] [stdout] 0631c23353b8fb50da3a8c265a190a77572741c2e3b69af6f9b9ffd252681e12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4453bd9d654e96e22692293ca8824465dd143f2e7b42a32af8f52686248e2f5c [INFO] running `Command { std: "docker" "start" "-a" "4453bd9d654e96e22692293ca8824465dd143f2e7b42a32af8f52686248e2f5c", kill_on_drop: false }` [INFO] [stderr] Compiling rust-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/demo/un_movable.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut still_unmoved = unmoved; [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: struct `Rc` is never constructed [INFO] [stdout] --> src/demo/my_weak.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Rc { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Weak` is never constructed [INFO] [stdout] --> src/demo/my_weak.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Weak { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Inner` is never constructed [INFO] [stdout] --> src/demo/my_weak.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | struct Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `downgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stdout] --> src/demo/my_weak.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Rc { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 23 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn downgrade(&self) -> Weak { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn strong_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn weak_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn inner(&self) -> &Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `upgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stdout] --> src/demo/my_weak.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 85 | impl Weak { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 86 | fn upgrade(&self) -> Option> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 96 | fn strong_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn weak_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | fn inner(&self) -> &Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/demo/my_weak.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Arc` is never constructed [INFO] [stdout] --> src/demo/my_arc.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Arc { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Weak` is never constructed [INFO] [stdout] --> src/demo/my_arc.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Weak { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Inner` is never constructed [INFO] [stdout] --> src/demo/my_arc.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `downgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stdout] --> src/demo/my_arc.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Arc { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 21 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | fn downgrade(&self) -> Weak { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn strong_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn weak_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn inner(&self) -> &Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `upgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stdout] --> src/demo/my_arc.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 80 | impl Weak { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 81 | fn upgrade(&self) -> Option> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | fn strong_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | fn weak_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | fn inner(&self) -> &Inner { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/demo/my_arc.rs:124:4 [INFO] [stdout] | [INFO] [stdout] 124 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SelfRef` is never constructed [INFO] [stdout] --> src/demo/self_ref.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct SelfRef { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `init`, `value`, and `pointer_to_value` are never used [INFO] [stdout] --> src/demo/self_ref.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl SelfRef { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 8 | fn new(txt: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn init(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn value(&self) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn pointer_to_value(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/demo/self_ref.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Unmovable` is never constructed [INFO] [stdout] --> src/demo/un_movable.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Unmovable { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/demo/un_movable.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Unmovable { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 15 | // 为了确保函数返回时数据的所有权不会被转移，我们将它放在堆上，唯一的访问方式就是通过指针 [INFO] [stdout] 16 | fn new(data: String) -> Pin> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/demo/un_movable.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/demo/my_weak.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/demo/my_weak.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 125 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/demo/my_arc.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 71 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/demo/my_arc.rs:117:21 [INFO] [stdout] | [INFO] [stdout] 117 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 117 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "4453bd9d654e96e22692293ca8824465dd143f2e7b42a32af8f52686248e2f5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4453bd9d654e96e22692293ca8824465dd143f2e7b42a32af8f52686248e2f5c", kill_on_drop: false }` [INFO] [stdout] 4453bd9d654e96e22692293ca8824465dd143f2e7b42a32af8f52686248e2f5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 042510bf523d43d8be13158703bfa1e28b7de8da2f7e62e00a103d348edfa68d [INFO] running `Command { std: "docker" "start" "-a" "042510bf523d43d8be13158703bfa1e28b7de8da2f7e62e00a103d348edfa68d", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/demo/un_movable.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let mut still_unmoved = unmoved; [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: struct `Rc` is never constructed [INFO] [stderr] --> src/demo/my_weak.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | struct Rc { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Weak` is never constructed [INFO] [stderr] --> src/demo/my_weak.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | struct Weak { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Inner` is never constructed [INFO] [stderr] --> src/demo/my_weak.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | struct Inner { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `downgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stderr] --> src/demo/my_weak.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 22 | impl Rc { [INFO] [stderr] | ------------- associated items in this implementation [INFO] [stderr] 23 | fn new(value: T) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 34 | fn downgrade(&self) -> Weak { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 39 | fn strong_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 43 | fn weak_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 47 | fn inner(&self) -> &Inner { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `upgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stderr] --> src/demo/my_weak.rs:86:8 [INFO] [stderr] | [INFO] [stderr] 85 | impl Weak { [INFO] [stderr] | --------------- methods in this implementation [INFO] [stderr] 86 | fn upgrade(&self) -> Option> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 96 | fn strong_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 100 | fn weak_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 104 | fn inner(&self) -> &Inner { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `main` is never used [INFO] [stderr] --> src/demo/my_weak.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Arc` is never constructed [INFO] [stderr] --> src/demo/my_arc.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | struct Arc { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Weak` is never constructed [INFO] [stderr] --> src/demo/my_arc.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | struct Weak { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Inner` is never constructed [INFO] [stderr] --> src/demo/my_arc.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | struct Inner { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `downgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stderr] --> src/demo/my_arc.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 20 | impl Arc { [INFO] [stderr] | -------------- associated items in this implementation [INFO] [stderr] 21 | fn new(value: T) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 32 | fn downgrade(&self) -> Weak { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 37 | fn strong_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 41 | fn weak_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 45 | fn inner(&self) -> &Inner { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `upgrade`, `strong_count`, `weak_count`, and `inner` are never used [INFO] [stderr] --> src/demo/my_arc.rs:81:8 [INFO] [stderr] | [INFO] [stderr] 80 | impl Weak { [INFO] [stderr] | --------------- methods in this implementation [INFO] [stderr] 81 | fn upgrade(&self) -> Option> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 91 | fn strong_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 95 | fn weak_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 99 | fn inner(&self) -> &Inner { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `main` is never used [INFO] [stderr] --> src/demo/my_arc.rs:124:4 [INFO] [stderr] | [INFO] [stderr] 124 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `SelfRef` is never constructed [INFO] [stderr] --> src/demo/self_ref.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | struct SelfRef { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `init`, `value`, and `pointer_to_value` are never used [INFO] [stderr] --> src/demo/self_ref.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 7 | impl SelfRef { [INFO] [stderr] | ------------ associated items in this implementation [INFO] [stderr] 8 | fn new(txt: &str) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 15 | fn init(&mut self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 20 | fn value(&self) -> &str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 24 | fn pointer_to_value(&self) -> &String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `main` is never used [INFO] [stderr] --> src/demo/self_ref.rs:30:4 [INFO] [stderr] | [INFO] [stderr] 30 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Unmovable` is never constructed [INFO] [stderr] --> src/demo/un_movable.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | struct Unmovable { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/demo/un_movable.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 14 | impl Unmovable { [INFO] [stderr] | -------------- associated function in this implementation [INFO] [stderr] 15 | // 为了确保函数返回时数据的所有权不会被转移，我们将它放在堆上，唯一的访问方式就是通过指针 [INFO] [stderr] 16 | fn new(data: String) -> Pin> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `main` is never used [INFO] [stderr] --> src/demo/un_movable.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/demo/my_weak.rs:76:21 [INFO] [stderr] | [INFO] [stderr] 76 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 76 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/demo/my_weak.rs:125:21 [INFO] [stderr] | [INFO] [stderr] 125 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 125 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/demo/my_arc.rs:71:21 [INFO] [stderr] | [INFO] [stderr] 71 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 71 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/demo/my_arc.rs:117:21 [INFO] [stderr] | [INFO] [stderr] 117 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 117 | let _ = Box::from_raw(self.ptr.as_ptr()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rust-rs` (bin "rust-rs" test) generated 23 warnings (run `cargo fix --bin "rust-rs" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_rs-dbcf54706aa72e09) [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] running `Command { std: "docker" "inspect" "042510bf523d43d8be13158703bfa1e28b7de8da2f7e62e00a103d348edfa68d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "042510bf523d43d8be13158703bfa1e28b7de8da2f7e62e00a103d348edfa68d", kill_on_drop: false }` [INFO] [stdout] 042510bf523d43d8be13158703bfa1e28b7de8da2f7e62e00a103d348edfa68d