[INFO] cloning repository https://github.com/mikeleppane/Crust-of-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikeleppane/Crust-of-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b4e5a00ce068794a2fef0b86a454ab48e44f4764 [INFO] testing mikeleppane/Crust-of-Rust against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mikeleppane/Crust-of-Rust on toolchain 61223975d46f794466efa832bc7562b9707ecc46 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mikeleppane/Crust-of-Rust [INFO] finished tweaking git repo https://github.com/mikeleppane/Crust-of-Rust [INFO] tweaked toml for git repo https://github.com/mikeleppane/Crust-of-Rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mikeleppane/Crust-of-Rust 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01642ecc4add8d475c3a25a305b75e2e688c84873e9665cba3a264a3d5cbff4a [INFO] running `Command { std: "docker" "start" "-a" "01642ecc4add8d475c3a25a305b75e2e688c84873e9665cba3a264a3d5cbff4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01642ecc4add8d475c3a25a305b75e2e688c84873e9665cba3a264a3d5cbff4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01642ecc4add8d475c3a25a305b75e2e688c84873e9665cba3a264a3d5cbff4a", kill_on_drop: false }` [INFO] [stdout] 01642ecc4add8d475c3a25a305b75e2e688c84873e9665cba3a264a3d5cbff4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 211ec314a0139b775713bf86cba8cb871dd37a03c8f14b58c4e6a8e6b6ebf8cf [INFO] running `Command { std: "docker" "start" "-a" "211ec314a0139b775713bf86cba8cb871dd37a03c8f14b58c4e6a8e6b6ebf8cf", kill_on_drop: false }` [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling yansi v0.5.1 [INFO] [stderr] Compiling pretty_assertions v1.3.0 [INFO] [stderr] Compiling crust-of-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `LOCKED` is never used [INFO] [stdout] --> src/atomics_and_memory_ordering/atomics.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const LOCKED: bool = true; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `UNLOCKED` is never used [INFO] [stdout] --> src/atomics_and_memory_ordering/atomics.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const UNLOCKED: bool = false; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyMutex` is never constructed [INFO] [stdout] --> src/atomics_and_memory_ordering/atomics.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct MyMutex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `with_lock` are never used [INFO] [stdout] --> src/atomics_and_memory_ordering/atomics.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl MyMutex { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 15 | pub fn new(t: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn with_lock(&self, f: impl FnOnce(&mut T) -> R) -> R { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send` is never used [INFO] [stdout] --> src/channels/panama.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 32 | impl Sender { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 33 | pub fn send(&mut self, t: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `channel` is never used [INFO] [stdout] --> src/channels/panama.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn channel() -> (Sender, Receiver) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `hei` and `not_ok` are never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Hei { [INFO] [stdout] | --- associated items in this trait [INFO] [stdout] 2 | fn hei(&self); [INFO] [stdout] | ^^^ [INFO] [stdout] 3 | [INFO] [stdout] 4 | fn not_ok() [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strlen` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn strlen(s: impl AsRef) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strlen_dyn` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn strlen_dyn(s: Box>) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bool_then` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn bool_then(b: bool, f: impl FnOnce() -> T) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HeiAsRef` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:47:11 [INFO] [stdout] | [INFO] [stdout] 47 | pub trait HeiAsRef: Hei + AsRef {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `baz` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn baz(s: &dyn HeiAsRef) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `slice_of_trait_object` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `ny` is never used [INFO] [stdout] --> src/drop_check/boks.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Boks { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 32 | pub fn ny(t: T) -> Self { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `our_flatten` is never used [INFO] [stdout] --> src/iterators/iterator.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait IteratorExt: Iterator + Sized { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 2 | fn our_flatten(self) -> Flatten [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strtok` is never used [INFO] [stdout] --> src/subtyping_and_variance/strtok.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn strtok<'a>(s: &'_ mut &'a str, delimiter: char) -> &'a str { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::len` that must be used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | s.len(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 52 | let _ = s.len(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:66:29 [INFO] [stdout] | [INFO] [stdout] 66 | slice_of_trait_object(&[Box::new("hello").as_ref()]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/drop_check/boks.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | unsafe { Box::from_raw(self.p) }; [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] 10 | unsafe { let _ = Box::from_raw(self.p); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/smart_pointers_and_interior_mutability/rc.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RcInner` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "211ec314a0139b775713bf86cba8cb871dd37a03c8f14b58c4e6a8e6b6ebf8cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "211ec314a0139b775713bf86cba8cb871dd37a03c8f14b58c4e6a8e6b6ebf8cf", kill_on_drop: false }` [INFO] [stdout] 211ec314a0139b775713bf86cba8cb871dd37a03c8f14b58c4e6a8e6b6ebf8cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5445dc3a971714795842120ad0bf5944d1c93c09cd9465ac29e96d43c1148d6 [INFO] running `Command { std: "docker" "start" "-a" "b5445dc3a971714795842120ad0bf5944d1c93c09cd9465ac29e96d43c1148d6", kill_on_drop: false }` [INFO] [stderr] Compiling crust-of-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `pretty_assertions::assert_eq` [INFO] [stdout] --> src/drop_check/boks.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | use pretty_assertions::assert_eq; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `boks` [INFO] [stdout] --> src/drop_check/boks.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let boks = Boks::ny(&mut y); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_boks` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `hei` and `not_ok` are never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Hei { [INFO] [stdout] | --- associated items in this trait [INFO] [stdout] 2 | fn hei(&self); [INFO] [stdout] | ^^^ [INFO] [stdout] 3 | [INFO] [stdout] 4 | fn not_ok() [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strlen` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn strlen(s: impl AsRef) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strlen_dyn` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn strlen_dyn(s: Box>) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bool_then` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn bool_then(b: bool, f: impl FnOnce() -> T) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HeiAsRef` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:47:11 [INFO] [stdout] | [INFO] [stdout] 47 | pub trait HeiAsRef: Hei + AsRef {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `baz` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn baz(s: &dyn HeiAsRef) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `slice_of_trait_object` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `our_flatten` is never used [INFO] [stdout] --> src/iterators/iterator.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait IteratorExt: Iterator + Sized { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 2 | fn our_flatten(self) -> Flatten [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::len` that must be used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | s.len(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 52 | let _ = s.len(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:66:29 [INFO] [stdout] | [INFO] [stdout] 66 | slice_of_trait_object(&[Box::new("hello").as_ref()]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/drop_check/boks.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | unsafe { Box::from_raw(self.p) }; [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] 10 | unsafe { let _ = Box::from_raw(self.p); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/smart_pointers_and_interior_mutability/rc.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RcInner` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `Command { std: "docker" "inspect" "b5445dc3a971714795842120ad0bf5944d1c93c09cd9465ac29e96d43c1148d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5445dc3a971714795842120ad0bf5944d1c93c09cd9465ac29e96d43c1148d6", kill_on_drop: false }` [INFO] [stdout] b5445dc3a971714795842120ad0bf5944d1c93c09cd9465ac29e96d43c1148d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 82fcd7e0a5c1b5d191aa5c8339d23bf3a6c502676c68d25c4ae2a30d55b3fffa [INFO] running `Command { std: "docker" "start" "-a" "82fcd7e0a5c1b5d191aa5c8339d23bf3a6c502676c68d25c4ae2a30d55b3fffa", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `pretty_assertions::assert_eq` [INFO] [stderr] --> src/drop_check/boks.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | use pretty_assertions::assert_eq; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `boks` [INFO] [stderr] --> src/drop_check/boks.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | let boks = Boks::ny(&mut y); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_boks` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `hei` and `not_ok` are never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub trait Hei { [INFO] [stderr] | --- associated items in this trait [INFO] [stderr] 2 | fn hei(&self); [INFO] [stderr] | ^^^ [INFO] [stderr] 3 | [INFO] [stderr] 4 | fn not_ok() [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `strlen` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn strlen(s: impl AsRef) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `strlen_dyn` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn strlen_dyn(s: Box>) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `bool_then` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn bool_then(b: bool, f: impl FnOnce() -> T) -> Option { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `HeiAsRef` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:47:11 [INFO] [stderr] | [INFO] [stderr] 47 | pub trait HeiAsRef: Hei + AsRef {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `baz` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn baz(s: &dyn HeiAsRef) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `slice_of_trait_object` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `main` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `our_flatten` is never used [INFO] [stderr] --> src/iterators/iterator.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub trait IteratorExt: Iterator + Sized { [INFO] [stderr] | ----------- method in this trait [INFO] [stderr] 2 | fn our_flatten(self) -> Flatten [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::str::::len` that must be used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | s.len(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 52 | let _ = s.len(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unnecessary allocation, use `&` instead [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:66:29 [INFO] [stderr] | [INFO] [stderr] 66 | slice_of_trait_object(&[Box::new("hello").as_ref()]) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_allocation)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/drop_check/boks.rs:10:18 [INFO] [stderr] | [INFO] [stderr] 10 | unsafe { Box::from_raw(self.p) }; [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] 10 | unsafe { let _ = Box::from_raw(self.p); }; [INFO] [stderr] | +++++++ + [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/smart_pointers_and_interior_mutability/rc.rs:64:13 [INFO] [stderr] | [INFO] [stderr] 64 | drop(inner); [INFO] [stderr] | ^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&RcInner` [INFO] [stderr] | [INFO] [stderr] = note: use `let _ = ...` to ignore the expression or result [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `crust-of-rust` (bin "crust-of-rust" test) generated 15 warnings (run `cargo fix --bin "crust-of-rust" --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/crust_of_rust-7f0a328dc861ff65) [INFO] [stdout] [INFO] [stdout] running 29 tests [INFO] [stdout] test channels::panama::tests::closed_rx ... ok [INFO] [stdout] test channels::panama::tests::closed_tx ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::too_relaxed ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::clone_2 ... ok [INFO] [stdout] test channels::panama::tests::ping_pong ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::mutex_test ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::double ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::empty_vec ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::single ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::trailing ... ok [INFO] [stdout] test drop_check::boks::tests::it_works ... ok [INFO] [stdout] test iterators::iterator::tests::both_ends ... ok [INFO] [stdout] test iterators::iterator::tests::empty ... ok [INFO] [stdout] test iterators::iterator::tests::empty_wide ... ok [INFO] [stdout] test iterators::iterator::tests::one ... ok [INFO] [stdout] test iterators::iterator::tests::two ... ok [INFO] [stdout] test iterators::iterator::tests::two_wide_reverse ... ok [INFO] [stdout] test iterators::iterator::tests::two_reverse ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::empty_tail ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::it_works ... ok [INFO] [stdout] test iterators::iterator::tests::two_wide ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::tail ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char_with_unicode ... ok [INFO] [stdout] test smart_pointers_and_interior_mutability::cell::tests::it_works ... ok [INFO] [stdout] test smart_pointers_and_interior_mutability::rc::tests::it_works ... ok [INFO] [stdout] test subtyping_and_variance::strtok::tests::it_works ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char ... ok [INFO] [stdout] test smart_pointers_and_interior_mutability::refcell::tests::it_works ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "82fcd7e0a5c1b5d191aa5c8339d23bf3a6c502676c68d25c4ae2a30d55b3fffa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82fcd7e0a5c1b5d191aa5c8339d23bf3a6c502676c68d25c4ae2a30d55b3fffa", kill_on_drop: false }` [INFO] [stdout] 82fcd7e0a5c1b5d191aa5c8339d23bf3a6c502676c68d25c4ae2a30d55b3fffa [INFO] testing mikeleppane/Crust-of-Rust against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mikeleppane/Crust-of-Rust on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mikeleppane/Crust-of-Rust [INFO] finished tweaking git repo https://github.com/mikeleppane/Crust-of-Rust [INFO] tweaked toml for git repo https://github.com/mikeleppane/Crust-of-Rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mikeleppane/Crust-of-Rust 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2498e858956e8cf5129bddde427cf6b5edb8cef2784b37a447b4c7e2920450c [INFO] running `Command { std: "docker" "start" "-a" "c2498e858956e8cf5129bddde427cf6b5edb8cef2784b37a447b4c7e2920450c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2498e858956e8cf5129bddde427cf6b5edb8cef2784b37a447b4c7e2920450c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2498e858956e8cf5129bddde427cf6b5edb8cef2784b37a447b4c7e2920450c", kill_on_drop: false }` [INFO] [stdout] c2498e858956e8cf5129bddde427cf6b5edb8cef2784b37a447b4c7e2920450c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a467f878b67bfb363b7799f138a95aa40fa7f899e52c5147ce820693a73cc573 [INFO] running `Command { std: "docker" "start" "-a" "a467f878b67bfb363b7799f138a95aa40fa7f899e52c5147ce820693a73cc573", kill_on_drop: false }` [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling yansi v0.5.1 [INFO] [stderr] Compiling pretty_assertions v1.3.0 [INFO] [stderr] Compiling crust-of-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `LOCKED` is never used [INFO] [stdout] --> src/atomics_and_memory_ordering/atomics.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const LOCKED: bool = true; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `UNLOCKED` is never used [INFO] [stdout] --> src/atomics_and_memory_ordering/atomics.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const UNLOCKED: bool = false; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyMutex` is never constructed [INFO] [stdout] --> src/atomics_and_memory_ordering/atomics.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct MyMutex { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `with_lock` are never used [INFO] [stdout] --> src/atomics_and_memory_ordering/atomics.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl MyMutex { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 15 | pub fn new(t: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn with_lock(&self, f: impl FnOnce(&mut T) -> R) -> R { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send` is never used [INFO] [stdout] --> src/channels/panama.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 32 | impl Sender { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 33 | pub fn send(&mut self, t: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `channel` is never used [INFO] [stdout] --> src/channels/panama.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn channel() -> (Sender, Receiver) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `hei` and `not_ok` are never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Hei { [INFO] [stdout] | --- associated items in this trait [INFO] [stdout] 2 | fn hei(&self); [INFO] [stdout] | ^^^ [INFO] [stdout] 3 | [INFO] [stdout] 4 | fn not_ok() [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strlen` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn strlen(s: impl AsRef) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strlen_dyn` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn strlen_dyn(s: Box>) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bool_then` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn bool_then(b: bool, f: impl FnOnce() -> T) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HeiAsRef` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:47:11 [INFO] [stdout] | [INFO] [stdout] 47 | pub trait HeiAsRef: Hei + AsRef {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `baz` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn baz(s: &dyn HeiAsRef) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `slice_of_trait_object` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `ny` is never used [INFO] [stdout] --> src/drop_check/boks.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Boks { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 32 | pub fn ny(t: T) -> Self { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `our_flatten` is never used [INFO] [stdout] --> src/iterators/iterator.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait IteratorExt: Iterator + Sized { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 2 | fn our_flatten(self) -> Flatten [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strtok` is never used [INFO] [stdout] --> src/subtyping_and_variance/strtok.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn strtok<'a>(s: &'_ mut &'a str, delimiter: char) -> &'a str { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::len` that must be used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | s.len(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 52 | let _ = s.len(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:66:29 [INFO] [stdout] | [INFO] [stdout] 66 | slice_of_trait_object(&[Box::new("hello").as_ref()]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/drop_check/boks.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | unsafe { Box::from_raw(self.p) }; [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] 10 | unsafe { let _ = Box::from_raw(self.p); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/smart_pointers_and_interior_mutability/rc.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RcInner` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "a467f878b67bfb363b7799f138a95aa40fa7f899e52c5147ce820693a73cc573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a467f878b67bfb363b7799f138a95aa40fa7f899e52c5147ce820693a73cc573", kill_on_drop: false }` [INFO] [stdout] a467f878b67bfb363b7799f138a95aa40fa7f899e52c5147ce820693a73cc573 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb02fa97e576effe79018f0fa47018e174cc12acfe6771523903fbd90119323e [INFO] running `Command { std: "docker" "start" "-a" "bb02fa97e576effe79018f0fa47018e174cc12acfe6771523903fbd90119323e", kill_on_drop: false }` [INFO] [stderr] Compiling crust-of-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `pretty_assertions::assert_eq` [INFO] [stdout] --> src/drop_check/boks.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | use pretty_assertions::assert_eq; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `boks` [INFO] [stdout] --> src/drop_check/boks.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let boks = Boks::ny(&mut y); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_boks` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `hei` and `not_ok` are never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Hei { [INFO] [stdout] | --- associated items in this trait [INFO] [stdout] 2 | fn hei(&self); [INFO] [stdout] | ^^^ [INFO] [stdout] 3 | [INFO] [stdout] 4 | fn not_ok() [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strlen` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn strlen(s: impl AsRef) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strlen_dyn` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn strlen_dyn(s: Box>) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bool_then` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn bool_then(b: bool, f: impl FnOnce() -> T) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HeiAsRef` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:47:11 [INFO] [stdout] | [INFO] [stdout] 47 | pub trait HeiAsRef: Hei + AsRef {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `baz` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn baz(s: &dyn HeiAsRef) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `slice_of_trait_object` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `our_flatten` is never used [INFO] [stdout] --> src/iterators/iterator.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait IteratorExt: Iterator + Sized { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 2 | fn our_flatten(self) -> Flatten [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::len` that must be used [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | s.len(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 52 | let _ = s.len(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/dispatch_and_fat_pointers/main.rs:66:29 [INFO] [stdout] | [INFO] [stdout] 66 | slice_of_trait_object(&[Box::new("hello").as_ref()]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/drop_check/boks.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | unsafe { Box::from_raw(self.p) }; [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] 10 | unsafe { let _ = Box::from_raw(self.p); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/smart_pointers_and_interior_mutability/rc.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RcInner` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "bb02fa97e576effe79018f0fa47018e174cc12acfe6771523903fbd90119323e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb02fa97e576effe79018f0fa47018e174cc12acfe6771523903fbd90119323e", kill_on_drop: false }` [INFO] [stdout] bb02fa97e576effe79018f0fa47018e174cc12acfe6771523903fbd90119323e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1f180da8f0b6c12aba84f37dd03dac2e86359d4d176ad8ea4c5460a218f056f0 [INFO] running `Command { std: "docker" "start" "-a" "1f180da8f0b6c12aba84f37dd03dac2e86359d4d176ad8ea4c5460a218f056f0", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `pretty_assertions::assert_eq` [INFO] [stderr] --> src/drop_check/boks.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | use pretty_assertions::assert_eq; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `boks` [INFO] [stderr] --> src/drop_check/boks.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | let boks = Boks::ny(&mut y); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_boks` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `hei` and `not_ok` are never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub trait Hei { [INFO] [stderr] | --- associated items in this trait [INFO] [stderr] 2 | fn hei(&self); [INFO] [stderr] | ^^^ [INFO] [stderr] 3 | [INFO] [stderr] 4 | fn not_ok() [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `strlen` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn strlen(s: impl AsRef) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `strlen_dyn` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn strlen_dyn(s: Box>) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `bool_then` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn bool_then(b: bool, f: impl FnOnce() -> T) -> Option { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `HeiAsRef` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:47:11 [INFO] [stderr] | [INFO] [stderr] 47 | pub trait HeiAsRef: Hei + AsRef {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `baz` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn baz(s: &dyn HeiAsRef) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `slice_of_trait_object` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `main` is never used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `our_flatten` is never used [INFO] [stderr] --> src/iterators/iterator.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub trait IteratorExt: Iterator + Sized { [INFO] [stderr] | ----------- method in this trait [INFO] [stderr] 2 | fn our_flatten(self) -> Flatten [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::str::::len` that must be used [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | s.len(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 52 | let _ = s.len(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unnecessary allocation, use `&` instead [INFO] [stderr] --> src/dispatch_and_fat_pointers/main.rs:66:29 [INFO] [stderr] | [INFO] [stderr] 66 | slice_of_trait_object(&[Box::new("hello").as_ref()]) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_allocation)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/drop_check/boks.rs:10:18 [INFO] [stderr] | [INFO] [stderr] 10 | unsafe { Box::from_raw(self.p) }; [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] 10 | unsafe { let _ = Box::from_raw(self.p); }; [INFO] [stderr] | +++++++ + [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/smart_pointers_and_interior_mutability/rc.rs:64:13 [INFO] [stderr] | [INFO] [stderr] 64 | drop(inner); [INFO] [stderr] | ^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&RcInner` [INFO] [stderr] | [INFO] [stderr] = note: use `let _ = ...` to ignore the expression or result [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `crust-of-rust` (bin "crust-of-rust" test) generated 15 warnings (run `cargo fix --bin "crust-of-rust" --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/crust_of_rust-7f0a328dc861ff65) [INFO] [stdout] [INFO] [stdout] running 29 tests [INFO] [stdout] test channels::panama::tests::closed_rx ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::clone_2 ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::double ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::empty_vec ... ok [INFO] [stdout] test channels::panama::tests::closed_tx ... ok [INFO] [stdout] test channels::panama::tests::ping_pong ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::trailing ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::single ... ok [INFO] [stdout] test drop_check::boks::tests::it_works ... ok [INFO] [stdout] test iterators::iterator::tests::both_ends ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::mutex_test ... ok [INFO] [stdout] test iterators::iterator::tests::empty ... ok [INFO] [stdout] test iterators::iterator::tests::empty_wide ... ok [INFO] [stdout] test iterators::iterator::tests::one ... ok [INFO] [stdout] test iterators::iterator::tests::two ... ok [INFO] [stdout] test iterators::iterator::tests::two_reverse ... ok [INFO] [stdout] test iterators::iterator::tests::two_wide ... ok [INFO] [stdout] test iterators::iterator::tests::two_wide_reverse ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::empty_tail ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char_with_unicode ... ok [INFO] [stdout] test smart_pointers_and_interior_mutability::cell::tests::it_works ... ok [INFO] [stdout] test smart_pointers_and_interior_mutability::rc::tests::it_works ... ok [INFO] [stdout] test smart_pointers_and_interior_mutability::refcell::tests::it_works ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::tail ... ok [INFO] [stdout] test subtyping_and_variance::strtok::tests::it_works ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::it_works ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::it_works ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::too_relaxed ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- atomics_and_memory_ordering::atomics::tests::too_relaxed stdout ---- [INFO] [stdout] thread 'atomics_and_memory_ordering::atomics::tests::too_relaxed' panicked at src/atomics_and_memory_ordering/atomics.rs:83:9: [INFO] [stdout] assertion failed: `(left == right)` [INFO] [stdout] [INFO] [stdout] Diff < left / right > : [INFO] [stdout] <42 [INFO] [stdout] >0 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c5568f9266 - std::backtrace_rs::backtrace::libunwind::trace::hbf3981e6c8a62f19 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 [INFO] [stdout] 1: 0x55c5568f9266 - std::backtrace_rs::backtrace::trace_unsynchronized::h5d13053d67c404cc [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c5568f9266 - std::sys_common::backtrace::_print_fmt::hd24dc5b701eaf8ad [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x55c5568f9266 - ::fmt::h1d0155c7c5a7d116 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55c556920d8c - core::fmt::rt::Argument::fmt::h462c7a4781d69908 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/fmt/rt.rs:142:9 [INFO] [stdout] 5: 0x55c556920d8c - core::fmt::write::h3cadc3d0c35667c3 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/fmt/mod.rs:1120:17 [INFO] [stdout] 6: 0x55c5568f6a6f - std::io::Write::write_fmt::h7b46babfe8aff3fc [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/io/mod.rs:1846:15 [INFO] [stdout] 7: 0x55c5568f9014 - std::sys_common::backtrace::_print::h21e0ad4a03aa55df [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55c5568f9014 - std::sys_common::backtrace::print::hb7cfd89cda9bdca7 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55c5568fad0b - std::panicking::default_hook::{{closure}}::hceb0cad555a61bc8 [INFO] [stdout] 10: 0x55c5568fa9dd - std::panicking::default_hook::h00eb745c4c12778b [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x55c5568c6787 - as core::ops::function::Fn>::call::h6a7083dbc9bd7b5f [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/alloc/src/boxed.rs:2030:9 [INFO] [stdout] 12: 0x55c5568c6787 - test::test_main::{{closure}}::h4db87ac2515c25e3 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/test/src/lib.rs:137:21 [INFO] [stdout] 13: 0x55c5568fb340 - as core::ops::function::Fn>::call::hf3b7bc2e2257730b [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/alloc/src/boxed.rs:2030:9 [INFO] [stdout] 14: 0x55c5568fb340 - std::panicking::rust_panic_with_hook::hccddb3269d601551 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:786:13 [INFO] [stdout] 15: 0x55c5568fb082 - std::panicking::begin_panic_handler::{{closure}}::h1759cdf989495c64 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:660:13 [INFO] [stdout] 16: 0x55c5568f9746 - std::sys_common::backtrace::__rust_end_short_backtrace::h209794238b4d13a4 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x55c5568fadb4 - rust_begin_unwind [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:648:5 [INFO] [stdout] 18: 0x55c556885e55 - core::panicking::panic_fmt::ha17ebef8fbaa0a3e [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x55c55688fa41 - crust_of_rust::atomics_and_memory_ordering::atomics::tests::too_relaxed::hf0906a035aff15b1 [INFO] [stdout] at /opt/rustwide/workdir/src/atomics_and_memory_ordering/atomics.rs:83:9 [INFO] [stdout] 20: 0x55c556890109 - crust_of_rust::atomics_and_memory_ordering::atomics::tests::too_relaxed::{{closure}}::hdc8eb14fddd4d4fb [INFO] [stdout] at /opt/rustwide/workdir/src/atomics_and_memory_ordering/atomics.rs:66:21 [INFO] [stdout] 21: 0x55c556890109 - core::ops::function::FnOnce::call_once::h7e98170f16a4b701 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 22: 0x55c5568cbf8f - core::ops::function::FnOnce::call_once::hb293dddd1a0c8d0c [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x55c5568cbf8f - test::__rust_begin_short_backtrace::hcc33cf50a0d42744 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/test/src/lib.rs:620:18 [INFO] [stdout] 24: 0x55c5568cab00 - test::run_test_in_process::{{closure}}::h1a67b8b225cf5559 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/test/src/lib.rs:643:60 [INFO] [stdout] 25: 0x55c5568cab00 - as core::ops::function::FnOnce<()>>::call_once::h6c8366f6b1a529d0 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 26: 0x55c5568cab00 - std::panicking::try::do_call::h3ac771f4eea356d5 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:555:40 [INFO] [stdout] 27: 0x55c5568cab00 - std::panicking::try::h2b1799e4f57e5bcf [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:519:19 [INFO] [stdout] 28: 0x55c5568cab00 - std::panic::catch_unwind::h0a3cc3fea72ac271 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panic.rs:142:14 [INFO] [stdout] 29: 0x55c5568cab00 - test::run_test_in_process::h47356101e0c4cc43 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/test/src/lib.rs:643:27 [INFO] [stdout] 30: 0x55c5568cab00 - test::run_test::{{closure}}::hfc86d13e98ee1936 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/test/src/lib.rs:566:43 [INFO] [stdout] 31: 0x55c556892e43 - test::run_test::{{closure}}::h077c30ad86447616 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/test/src/lib.rs:594:41 [INFO] [stdout] 32: 0x55c556892e43 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7a0647371687c548 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 33: 0x55c556897adf - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h0ade0df8a561803e [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/thread/mod.rs:528:17 [INFO] [stdout] 34: 0x55c556897adf - as core::ops::function::FnOnce<()>>::call_once::h94e6781319385c1d [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 35: 0x55c556897adf - std::panicking::try::do_call::h2d8e7d2812ed142e [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:555:40 [INFO] [stdout] 36: 0x55c556897adf - std::panicking::try::hfec8a6adb9bfcaea [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:519:19 [INFO] [stdout] 37: 0x55c556897adf - std::panic::catch_unwind::hf488fb91a41eb5b5 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panic.rs:142:14 [INFO] [stdout] 38: 0x55c556897adf - std::thread::Builder::spawn_unchecked_::{{closure}}::h306975a3cadd5153 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/thread/mod.rs:527:30 [INFO] [stdout] 39: 0x55c556897adf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4f4ed26f27d558ae [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 40: 0x55c5568ff5c5 - as core::ops::function::FnOnce>::call_once::h17d6fdbdde1f730c [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/alloc/src/boxed.rs:2016:9 [INFO] [stdout] 41: 0x55c5568ff5c5 - as core::ops::function::FnOnce>::call_once::h298d88b0d0cf4d06 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/alloc/src/boxed.rs:2016:9 [INFO] [stdout] 42: 0x55c5568ff5c5 - std::sys::pal::unix::thread::Thread::new::thread_start::h1ecd97591626fa72 [INFO] [stdout] at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 43: 0x7fc1bcc3bac3 - [INFO] [stdout] 44: 0x7fc1bccccbf4 - __clone [INFO] [stdout] 45: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] atomics_and_memory_ordering::atomics::tests::too_relaxed [INFO] [stdout] [INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin crust-of-rust` [INFO] running `Command { std: "docker" "inspect" "1f180da8f0b6c12aba84f37dd03dac2e86359d4d176ad8ea4c5460a218f056f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f180da8f0b6c12aba84f37dd03dac2e86359d4d176ad8ea4c5460a218f056f0", kill_on_drop: false }` [INFO] [stdout] 1f180da8f0b6c12aba84f37dd03dac2e86359d4d176ad8ea4c5460a218f056f0