[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#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mikeleppane/Crust-of-Rust on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "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-3-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" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded output_vt100 v0.1.3 [INFO] [stderr] Downloaded pretty_assertions v1.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7888d42f48557b275345d3f9f7ab885fd9cbc99605cb67a5008b417271ca6c78 [INFO] running `Command { std: "docker" "start" "-a" "7888d42f48557b275345d3f9f7ab885fd9cbc99605cb67a5008b417271ca6c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7888d42f48557b275345d3f9f7ab885fd9cbc99605cb67a5008b417271ca6c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7888d42f48557b275345d3f9f7ab885fd9cbc99605cb67a5008b417271ca6c78", kill_on_drop: false }` [INFO] [stdout] 7888d42f48557b275345d3f9f7ab885fd9cbc99605cb67a5008b417271ca6c78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4485290a2b1839754070688417ab5b96aff4af991f1418bdd5bb5e1e89f3bbc0 [INFO] running `Command { std: "docker" "start" "-a" "4485290a2b1839754070688417ab5b96aff4af991f1418bdd5bb5e1e89f3bbc0", kill_on_drop: false }` [INFO] [stderr] Compiling yansi v0.5.1 [INFO] [stderr] Compiling diff v0.1.13 [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 0.59s [INFO] running `Command { std: "docker" "inspect" "4485290a2b1839754070688417ab5b96aff4af991f1418bdd5bb5e1e89f3bbc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4485290a2b1839754070688417ab5b96aff4af991f1418bdd5bb5e1e89f3bbc0", kill_on_drop: false }` [INFO] [stdout] 4485290a2b1839754070688417ab5b96aff4af991f1418bdd5bb5e1e89f3bbc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd976b7f9aeb30a9bdfb7d0d116ce2e728ad4862e967d615eb130e0485cf2cdc [INFO] running `Command { std: "docker" "start" "-a" "fd976b7f9aeb30a9bdfb7d0d116ce2e728ad4862e967d615eb130e0485cf2cdc", 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 0.50s [INFO] running `Command { std: "docker" "inspect" "fd976b7f9aeb30a9bdfb7d0d116ce2e728ad4862e967d615eb130e0485cf2cdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd976b7f9aeb30a9bdfb7d0d116ce2e728ad4862e967d615eb130e0485cf2cdc", kill_on_drop: false }` [INFO] [stdout] fd976b7f9aeb30a9bdfb7d0d116ce2e728ad4862e967d615eb130e0485cf2cdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f78a69ff759308758ca9c8739fea819d375078616f7071b8ee509f61a7b2b991 [INFO] running `Command { std: "docker" "start" "-a" "f78a69ff759308758ca9c8739fea819d375078616f7071b8ee509f61a7b2b991", 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 declarative_macros::vecmac::tests::clone_2 ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::too_relaxed ... 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::ping_pong ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::single ... ok [INFO] [stdout] test drop_check::boks::tests::it_works ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::trailing ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::mutex_test ... 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_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 lifetime_annotations::strsplit::tests::tail ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char_with_unicode ... ok [INFO] [stdout] test iterators::iterator::tests::two_wide ... ok [INFO] [stdout] test iterators::iterator::tests::two_wide_reverse ... ok [INFO] [stdout] test smart_pointers_and_interior_mutability::rc::tests::it_works ... ok [INFO] [stdout] test smart_pointers_and_interior_mutability::cell::tests::it_works ... ok [INFO] [stdout] test subtyping_and_variance::strtok::tests::it_works ... 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 0.06s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f78a69ff759308758ca9c8739fea819d375078616f7071b8ee509f61a7b2b991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f78a69ff759308758ca9c8739fea819d375078616f7071b8ee509f61a7b2b991", kill_on_drop: false }` [INFO] [stdout] f78a69ff759308758ca9c8739fea819d375078616f7071b8ee509f61a7b2b991 [INFO] testing mikeleppane/Crust-of-Rust against try#61a9ac64344e91d62f5496627ff363d177f9daab for pr-125507 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mikeleppane/Crust-of-Rust on toolchain 61a9ac64344e91d62f5496627ff363d177f9daab [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "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-3-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" "+61a9ac64344e91d62f5496627ff363d177f9daab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2288438522d69970a201366de0c201c3074245dc817b23d03d50d5bf039d18d7 [INFO] running `Command { std: "docker" "start" "-a" "2288438522d69970a201366de0c201c3074245dc817b23d03d50d5bf039d18d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2288438522d69970a201366de0c201c3074245dc817b23d03d50d5bf039d18d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2288438522d69970a201366de0c201c3074245dc817b23d03d50d5bf039d18d7", kill_on_drop: false }` [INFO] [stdout] 2288438522d69970a201366de0c201c3074245dc817b23d03d50d5bf039d18d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95149e2ca91f7cae61efee43f56ac4d3faf64ebd839b3f26967c56c2828dd0c2 [INFO] running `Command { std: "docker" "start" "-a" "95149e2ca91f7cae61efee43f56ac4d3faf64ebd839b3f26967c56c2828dd0c2", kill_on_drop: false }` [INFO] [stderr] Compiling yansi v0.5.1 [INFO] [stderr] Compiling diff v0.1.13 [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 0.81s [INFO] running `Command { std: "docker" "inspect" "95149e2ca91f7cae61efee43f56ac4d3faf64ebd839b3f26967c56c2828dd0c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95149e2ca91f7cae61efee43f56ac4d3faf64ebd839b3f26967c56c2828dd0c2", kill_on_drop: false }` [INFO] [stdout] 95149e2ca91f7cae61efee43f56ac4d3faf64ebd839b3f26967c56c2828dd0c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44544fba2902d2cf3fbd7d2da22ab171d614f4468373c9af15f93104cb5d6856 [INFO] running `Command { std: "docker" "start" "-a" "44544fba2902d2cf3fbd7d2da22ab171d614f4468373c9af15f93104cb5d6856", 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 1.06s [INFO] running `Command { std: "docker" "inspect" "44544fba2902d2cf3fbd7d2da22ab171d614f4468373c9af15f93104cb5d6856", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44544fba2902d2cf3fbd7d2da22ab171d614f4468373c9af15f93104cb5d6856", kill_on_drop: false }` [INFO] [stdout] 44544fba2902d2cf3fbd7d2da22ab171d614f4468373c9af15f93104cb5d6856 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5b57589aca2c74ec9e902d62c5b1e4dc6377c6fd9d83ae2086f3a99ff5586cc0 [INFO] running `Command { std: "docker" "start" "-a" "5b57589aca2c74ec9e902d62c5b1e4dc6377c6fd9d83ae2086f3a99ff5586cc0", 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 0.03s [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 declarative_macros::vecmac::tests::clone_2 ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::too_relaxed ... ok [INFO] [stdout] test channels::panama::tests::closed_tx ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::empty_vec ... ok [INFO] [stdout] test channels::panama::tests::ping_pong ... ok [INFO] [stdout] test iterators::iterator::tests::two ... ok [INFO] [stdout] test iterators::iterator::tests::two_reverse ... ok [INFO] [stdout] test iterators::iterator::tests::one ... ok [INFO] [stdout] test iterators::iterator::tests::empty ... ok [INFO] [stdout] test iterators::iterator::tests::empty_wide ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::trailing ... ok [INFO] [stdout] test iterators::iterator::tests::both_ends ... ok [INFO] [stdout] test drop_check::boks::tests::it_works ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::single ... ok [INFO] [stdout] test declarative_macros::vecmac::tests::double ... ok [INFO] [stdout] test iterators::iterator::tests::two_wide ... ok [INFO] [stdout] test channels::panama::tests::closed_rx ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::empty_tail ... ok [INFO] [stdout] test iterators::iterator::tests::two_wide_reverse ... 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 smart_pointers_and_interior_mutability::cell::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::rc::tests::it_works ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char_with_unicode ... ok [INFO] [stdout] test lifetime_annotations::strsplit::tests::it_works ... ok [INFO] [stderr] error: test failed, to rerun pass `--bin crust-of-rust` [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::it_works ... ok [INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::mutex_test ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- atomics_and_memory_ordering::atomics::tests::mutex_test stdout ---- [INFO] [stdout] thread 'atomics_and_memory_ordering::atomics::tests::mutex_test' panicked at src/atomics_and_memory_ordering/atomics.rs:112:9: [INFO] [stdout] assertion failed: `(left == right)` [INFO] [stdout] [INFO] [stdout] Diff < left / right > : [INFO] [stdout] <1 [INFO] [stdout] >2 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56477b0ea8a5 - std::backtrace_rs::backtrace::libunwind::trace::h00ba42e7ea42c749 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stdout] 1: 0x56477b0ea8a5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9c418817641943a2 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x56477b0ea8a5 - std::sys_common::backtrace::_print_fmt::h16d2f41e50524011 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x56477b0ea8a5 - ::fmt::h024be4e490be0e9e [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x56477b1127ab - core::fmt::rt::Argument::fmt::h374c4cfff31e7096 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/fmt/rt.rs:165:63 [INFO] [stdout] 5: 0x56477b1127ab - core::fmt::write::hff043ad91cd7da0c [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/fmt/mod.rs:1172:21 [INFO] [stdout] 6: 0x56477b0e7c0f - std::io::Write::write_fmt::hcbb4cf2cdd848a5b [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/io/mod.rs:1835:15 [INFO] [stdout] 7: 0x56477b0ea67e - std::sys_common::backtrace::_print::hdfa36fb392c08b8d [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x56477b0ea67e - std::sys_common::backtrace::print::h798da7279a9c7ae4 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x56477b0ec0d9 - std::panicking::default_hook::{{closure}}::h9b61607b4c5732c1 [INFO] [stdout] 10: 0x56477b0ebd46 - std::panicking::default_hook::hc6544668bd872893 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:295:9 [INFO] [stdout] 11: 0x56477b0a257a - as core::ops::function::Fn>::call::h9d3afca40a444cde [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2077:9 [INFO] [stdout] 12: 0x56477b0a257a - test::test_main::{{closure}}::h3c541e298fe81c6f [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:137:21 [INFO] [stdout] 13: 0x56477b0ec74b - as core::ops::function::Fn>::call::h1eb54927ae01d97f [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2077:9 [INFO] [stdout] 14: 0x56477b0ec74b - std::panicking::rust_panic_with_hook::h468693c9efe3a031 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:799:13 [INFO] [stdout] 15: 0x56477b0ec4c4 - std::panicking::begin_panic_handler::{{closure}}::h98a70b5e29207c8e [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:664:13 [INFO] [stdout] 16: 0x56477b0ead69 - std::sys_common::backtrace::__rust_end_short_backtrace::h611a979064209015 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x56477b0ec1f7 - rust_begin_unwind [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:652:5 [INFO] [stdout] 18: 0x56477b111083 - core::panicking::panic_fmt::hb6dc9aface1df13b [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x56477b06024a - crust_of_rust::atomics_and_memory_ordering::atomics::tests::mutex_test::ha5d3eccab0fdef0e [INFO] [stdout] at /opt/rustwide/workdir/src/atomics_and_memory_ordering/atomics.rs:112:9 [INFO] [stdout] 20: 0x56477b05fb17 - crust_of_rust::atomics_and_memory_ordering::atomics::tests::mutex_test::{{closure}}::h64f56c796a204cfd [INFO] [stdout] at /opt/rustwide/workdir/src/atomics_and_memory_ordering/atomics.rs:87:20 [INFO] [stdout] 21: 0x56477b0584f6 - core::ops::function::FnOnce::call_once::hd6053f4f03f95c04 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 22: 0x56477b0a6dab - core::ops::function::FnOnce::call_once::h83b9e7210d04f0be [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x56477b0a6dab - test::__rust_begin_short_backtrace::hc51e2566ee553989 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:625:18 [INFO] [stdout] 24: 0x56477b0a6501 - test::run_test_in_process::{{closure}}::h507f8c4135041c73 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:648:60 [INFO] [stdout] 25: 0x56477b0a6501 - as core::ops::function::FnOnce<()>>::call_once::hd632d14c2c0c86cc [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 26: 0x56477b0a6501 - std::panicking::try::do_call::he7cb1a3635628c20 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:559:40 [INFO] [stdout] 27: 0x56477b0a6501 - std::panicking::try::h254585cffc0ff5cb [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:523:19 [INFO] [stdout] 28: 0x56477b0a6501 - std::panic::catch_unwind::h30903f0fa4711873 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panic.rs:149:14 [INFO] [stdout] 29: 0x56477b0a6501 - test::run_test_in_process::h270fbcadd28ef446 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:648:27 [INFO] [stdout] 30: 0x56477b0a6501 - test::run_test::{{closure}}::h18e4da806d3313a0 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:569:43 [INFO] [stdout] 31: 0x56477b06e254 - test::run_test::{{closure}}::hc076b6d6ee9c0fac [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/test/src/lib.rs:599:41 [INFO] [stdout] 32: 0x56477b06e254 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4f576a631d422da3 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 33: 0x56477b072be2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hefe4a7694b5d43cd [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/thread/mod.rs:542:17 [INFO] [stdout] 34: 0x56477b072be2 - as core::ops::function::FnOnce<()>>::call_once::hf636fa9a6585dda1 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 35: 0x56477b072be2 - std::panicking::try::do_call::h96113252ae0170f4 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:559:40 [INFO] [stdout] 36: 0x56477b072be2 - std::panicking::try::h8973076d4927ad1d [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panicking.rs:523:19 [INFO] [stdout] 37: 0x56477b072be2 - std::panic::catch_unwind::h19e5115b032f0ef3 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/panic.rs:149:14 [INFO] [stdout] 38: 0x56477b072be2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h94b93148b33165cc [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/thread/mod.rs:541:30 [INFO] [stdout] 39: 0x56477b072be2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6156e4ffab7355ca [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 40: 0x56477b0f095b - as core::ops::function::FnOnce>::call_once::h55fe8ae975f6a9ec [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 41: 0x56477b0f095b - as core::ops::function::FnOnce>::call_once::hfe87b9909955678e [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 42: 0x56477b0f095b - std::sys::pal::unix::thread::Thread::new::thread_start::h7a534a78099446c7 [INFO] [stdout] at /rustc/61a9ac64344e91d62f5496627ff363d177f9daab/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 43: 0x7fbd3fe82ac3 - [INFO] [stdout] 44: 0x7fbd3ff13a04 - __clone [INFO] [stdout] 45: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] atomics_and_memory_ordering::atomics::tests::mutex_test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5b57589aca2c74ec9e902d62c5b1e4dc6377c6fd9d83ae2086f3a99ff5586cc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b57589aca2c74ec9e902d62c5b1e4dc6377c6fd9d83ae2086f3a99ff5586cc0", kill_on_drop: false }` [INFO] [stdout] 5b57589aca2c74ec9e902d62c5b1e4dc6377c6fd9d83ae2086f3a99ff5586cc0