[INFO] cloning repository https://github.com/lucassantoss1701/rust-ardan-labs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucassantoss1701/rust-ardan-labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucassantoss1701%2Frust-ardan-labs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucassantoss1701%2Frust-ardan-labs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b2350b520308de8138660787dbbae5fde6f3397b [INFO] checking lucassantoss1701/rust-ardan-labs against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucassantoss1701%2Frust-ardan-labs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/lucassantoss1701/rust-ardan-labs [INFO] finished tweaking git repo https://github.com/lucassantoss1701/rust-ardan-labs [INFO] tweaked toml for git repo https://github.com/lucassantoss1701/rust-ardan-labs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lucassantoss1701/rust-ardan-labs on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/lucassantoss1701/rust-ardan-labs 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" 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"/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 422e26b8374b023a27830ab74f3efb380f8f89b6866790e9353b202febb79def [INFO] running `Command { std: "docker" "start" "-a" "422e26b8374b023a27830ab74f3efb380f8f89b6866790e9353b202febb79def", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "422e26b8374b023a27830ab74f3efb380f8f89b6866790e9353b202febb79def", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "422e26b8374b023a27830ab74f3efb380f8f89b6866790e9353b202febb79def", kill_on_drop: false }` [INFO] [stdout] 422e26b8374b023a27830ab74f3efb380f8f89b6866790e9353b202febb79def [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" "-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a25ae088a080f809f482ff6957e66494d07c4ec09ccad3e269236ad5eebcf8d [INFO] running `Command { std: "docker" "start" "-a" "3a25ae088a080f809f482ff6957e66494d07c4ec09ccad3e269236ad5eebcf8d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling serde v1.0.205 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling cc v1.1.7 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling serde_json v1.0.122 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking allocator-api2 v0.2.18 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling openssl v0.10.66 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking form_urlencoded 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low_level v0.1.0 (/opt/rustwide/workdir/session4/low_level) [INFO] [stderr] Checking rustls-pemfile v2.1.3 [INFO] [stderr] Checking rwlocks v0.1.0 (/opt/rustwide/workdir/session2/rwlocks) [INFO] [stderr] Checking workers2 v0.1.0 (/opt/rustwide/workdir/session2/workers2) [INFO] [stderr] Compiling futures-executor v0.3.30 [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> session2/workers2/src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 37 | / loop { [INFO] [stdout] 38 | | let sent = { [INFO] [stdout] 39 | | let mut lock = WORK_QUEUE.lock().unwrap(); [INFO] [stdout] 40 | | let len = lock.len(); [INFO] [stdout] ... | [INFO] [stdout] 54 | | std::thread::sleep(Duration::from_secs(1)) [INFO] [stdout] 55 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 56 | [INFO] [stdout] 57 | println!("Hello, world!"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> session2/workers2/src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 37 | / loop { [INFO] [stdout] 38 | | let sent = { [INFO] [stdout] 39 | | let mut lock = WORK_QUEUE.lock().unwrap(); [INFO] [stdout] 40 | | let len = lock.len(); [INFO] [stdout] ... | [INFO] [stdout] 54 | | std::thread::sleep(Duration::from_secs(1)) [INFO] [stdout] 55 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 56 | [INFO] [stdout] 57 | println!("Hello, world!"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking footgun v0.1.0 (/opt/rustwide/workdir/session2/footgun) [INFO] [stderr] Checking rust-ardan-labs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/session2/scoped_threads) [INFO] [stderr] Checking parking v0.1.0 (/opt/rustwide/workdir/session2/parking) [INFO] [stderr] Checking priority v0.1.0 (/opt/rustwide/workdir/session2/priority) [INFO] [stderr] Checking clippy v0.1.0 (/opt/rustwide/workdir/bestpractices/clippy) [INFO] [stderr] Checking deadlocks v0.1.0 (/opt/rustwide/workdir/session2/deadlocks) [INFO] [stderr] Checking generics v0.1.0 (/opt/rustwide/workdir/session4/generics) [INFO] [stderr] Checking memory v0.1.0 (/opt/rustwide/workdir/session4/memory) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> session4/generics/src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | fn iter(&self) -> HashMapBucketIter { [INFO] [stdout] | ^^^^^ ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 29 | fn iter(&self) -> HashMapBucketIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> session4/generics/src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | fn iter(&self) -> HashMapBucketIter { [INFO] [stdout] | ^^^^^ ----------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 29 | fn iter(&self) -> HashMapBucketIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `my_fn` is never used [INFO] [stdout] --> session4/memory/src/main.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | unsafe fn my_fn(){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking refc v0.1.0 (/opt/rustwide/workdir/session4/refc) [INFO] [stderr] Checking thread_builder v0.1.0 (/opt/rustwide/workdir/session2/thread_builder) [INFO] [stderr] Checking hello v0.1.0 (/opt/rustwide/workdir/session2/hello) [INFO] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/session4/traits) [INFO] [stdout] warning: function `my_fn` is never used [INFO] [stdout] --> session4/memory/src/main.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | unsafe fn my_fn(){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking dashing v0.1.0 (/opt/rustwide/workdir/session2/dashing) [INFO] [stderr] Checking iterators v0.1.0 (/opt/rustwide/workdir/session4/iterators) [INFO] [stderr] Checking dropping v0.1.0 (/opt/rustwide/workdir/session4/dropping) [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> session2/hello/src/main.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn hello_thread(n: u32){ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> session4/traits/src/main.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | if let Some(t) = animal.as_any().downcast_ref::(){ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `speak` is never used [INFO] [stdout] --> session4/traits/src/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | trait DowncastableAnimal { [INFO] [stdout] | ------------------ method in this trait [INFO] [stdout] 38 | fn speak(&self) {println!("No idea")} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mutexes v0.1.0 (/opt/rustwide/workdir/session2/mutexes) [INFO] [stdout] warning: unused variable: `my_num` [INFO] [stdout] --> session4/dropping/src/main.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let my_num = Box::new(12); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking channels1 v0.1.0 (/opt/rustwide/workdir/session2/channels1) [INFO] [stderr] Checking formatting v0.1.0 (/opt/rustwide/workdir/bestpractices/formatting) [INFO] [stderr] Checking cycles v0.1.0 (/opt/rustwide/workdir/session4/cycles) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> bestpractices/formatting/src/main.rs:4:35 [INFO] [stdout] | [INFO] [stdout] 4 | println!("Hello, world!");for i in 0..21 { println!(".)");} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir/session1/hello_world) [INFO] [stderr] Checking divide_work v0.1.0 (/opt/rustwide/workdir/session2/divide_work) [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> session4/traits/src/main.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | if let Some(t) = animal.as_any().downcast_ref::(){ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `speak` is never used [INFO] [stdout] --> session4/traits/src/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | trait DowncastableAnimal { [INFO] [stdout] | ------------------ method in this trait [INFO] [stdout] 38 | fn speak(&self) {println!("No idea")} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> session4/cycles/src/main.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | Strong(Rc), [INFO] [stdout] | ------ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - Strong(Rc), [INFO] [stdout] 12 + Strong(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> session4/cycles/src/main.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | Weak(Weak), [INFO] [stdout] | ---- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - Weak(Weak), [INFO] [stdout] 13 + Weak(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/session1/variables) [INFO] [stderr] Checking packing v0.1.0 (/opt/rustwide/workdir/session4/packing) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> bestpractices/formatting/src/main.rs:4:35 [INFO] [stdout] | [INFO] [stdout] 4 | println!("Hello, world!");for i in 0..21 { println!(".)");} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `N` is never used [INFO] [stdout] --> bestpractices/formatting/src/main.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | const N: i32 = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> session4/cycles/src/main.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | Strong(Rc), [INFO] [stdout] | ------ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - Strong(Rc), [INFO] [stdout] 12 + Strong(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> session4/cycles/src/main.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | Weak(Weak), [INFO] [stdout] | ---- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - Weak(Weak), [INFO] [stdout] 13 + Weak(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double` is never used [INFO] [stdout] --> session1/variables/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn double(n: i32) -> i32{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> session4/packing/src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 10 | #[repr(C)] // #[repr(C)] #[repr(packed)] [INFO] [stdout] 11 | / struct ThreeBytes { [INFO] [stdout] 12 | | a: u16, [INFO] [stdout] 13 | | b: u8, [INFO] [stdout] 14 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_or_nothing` is never used [INFO] [stdout] --> session1/variables/src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn double_or_nothing(n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet` is never used [INFO] [stdout] --> session1/variables/src/main.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn greet(s: String) -> String{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet_borrow` is never used [INFO] [stdout] --> session1/variables/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn greet_borrow(s: &String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet_borrow_mut` is never used [INFO] [stdout] --> session1/variables/src/main.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn greet_borrow_mut(s: &mut String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking workers v0.1.0 (/opt/rustwide/workdir/session2/workers) [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session4/packing/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | struct OneByte { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 2 | a: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session4/packing/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct TwoBytes { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 6 | a: u16, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session4/packing/src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct FourBytes { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 17 | a: u32, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double` is never used [INFO] [stdout] --> session1/variables/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn double(n: i32) -> i32{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_or_nothing` is never used [INFO] [stdout] --> session1/variables/src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn double_or_nothing(n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet` is never used [INFO] [stdout] --> session1/variables/src/main.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn greet(s: String) -> String{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet_borrow` is never used [INFO] [stdout] --> session1/variables/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn greet_borrow(s: &String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet_borrow_mut` is never used [INFO] [stdout] --> session1/variables/src/main.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn greet_borrow_mut(s: &mut String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> session2/hello/src/main.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn hello_thread(n: u32){ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> session2/workers/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let handle = std::thread::spawn(move ||{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_num` [INFO] [stdout] --> session4/dropping/src/main.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let my_num = Box::new(12); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> session4/packing/src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 10 | #[repr(C)] // #[repr(C)] #[repr(packed)] [INFO] [stdout] 11 | / struct ThreeBytes { [INFO] [stdout] 12 | | a: u16, [INFO] [stdout] 13 | | b: u8, [INFO] [stdout] 14 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session4/packing/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | struct OneByte { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 2 | a: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session4/packing/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct TwoBytes { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 6 | a: u16, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session4/packing/src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct FourBytes { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 17 | a: u32, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> session2/workers/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let handle = std::thread::spawn(move ||{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling serde_derive v1.0.205 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Compiling bytemuck_derive v1.7.1 [INFO] [stderr] Compiling tempfile v3.11.0 [INFO] [stderr] Compiling clap_derive v4.5.8 [INFO] [stderr] Compiling async-recursion v1.1.1 [INFO] [stderr] warning: libsqlite3-sys@0.28.0: cc: fatal error: Killed signal terminated program cc1 [INFO] [stderr] warning: libsqlite3-sys@0.28.0: compilation terminated. [INFO] [stderr] error: failed to run custom build command for `libsqlite3-sys v0.28.0` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libsqlite3-sys-fe127c7d29d9b776/build-script-build` (exit status: 1) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-env-changed=LIBSQLITE3_SYS_USE_PKG_CONFIG [INFO] [stderr] cargo:include=/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libsqlite3-sys-0.28.0/sqlite3 [INFO] [stderr] cargo:rerun-if-changed=sqlite3/sqlite3.c [INFO] [stderr] cargo:rerun-if-changed=sqlite3/wasm32-wasi-vfs.c [INFO] [stderr] cargo:rerun-if-env-changed=SQLITE_MAX_VARIABLE_NUMBER [INFO] [stderr] cargo:rerun-if-env-changed=SQLITE_MAX_EXPR_DEPTH [INFO] [stderr] cargo:rerun-if-env-changed=SQLITE_MAX_COLUMN [INFO] [stderr] cargo:rerun-if-env-changed=LIBSQLITE3_FLAGS [INFO] [stderr] OUT_DIR = Some(/opt/rustwide/target/debug/build/libsqlite3-sys-dd978d4a3e865630/out) [INFO] [stderr] TARGET = Some(x86_64-unknown-linux-gnu) [INFO] [stderr] OPT_LEVEL = Some(0) [INFO] [stderr] HOST = Some(x86_64-unknown-linux-gnu) [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu [INFO] [stderr] CC_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu [INFO] [stderr] CC_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CC [INFO] [stderr] HOST_CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC [INFO] [stderr] CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT [INFO] [stderr] RUSTC_WRAPPER = None [INFO] [stderr] cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS [INFO] [stderr] CRATE_CC_NO_DEFAULTS = None [INFO] [stderr] DEBUG = Some(true) [INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87) [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu [INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu [INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CFLAGS [INFO] [stderr] HOST_CFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS [INFO] [stderr] CFLAGS = None [INFO] [stderr] cargo:warning=cc: fatal error: Killed signal terminated program cc1 [INFO] [stderr] cargo:warning=compilation terminated. [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-DSQLITE_CORE" "-DSQLITE_DEFAULT_FOREIGN_KEYS=1" "-DSQLITE_ENABLE_API_ARMOR" "-DSQLITE_ENABLE_COLUMN_METADATA" "-DSQLITE_ENABLE_DBSTAT_VTAB" "-DSQLITE_ENABLE_FTS3" "-DSQLITE_ENABLE_FTS3_PARENTHESIS" "-DSQLITE_ENABLE_FTS5" "-DSQLITE_ENABLE_JSON1" "-DSQLITE_ENABLE_LOAD_EXTENSION=1" "-DSQLITE_ENABLE_MEMORY_MANAGEMENT" "-DSQLITE_ENABLE_RTREE" "-DSQLITE_ENABLE_STAT2" "-DSQLITE_ENABLE_STAT4" "-DSQLITE_SOUNDEX" "-DSQLITE_THREADSAFE=1" "-DSQLITE_USE_URI" "-DHAVE_USLEEP=1" "-D_POSIX_THREAD_SAFE_FUNCTIONS" "-DHAVE_ISNAN" "-DHAVE_LOCALTIME_R" "-DSQLITE_ENABLE_UNLOCK_NOTIFY" "-o" "/opt/rustwide/target/debug/build/libsqlite3-sys-dd978d4a3e865630/out/0343851c9008f270-sqlite3.o" "-c" "sqlite3/sqlite3.c" with args cc did not execute successfully (status code exit status: 1). [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3a25ae088a080f809f482ff6957e66494d07c4ec09ccad3e269236ad5eebcf8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a25ae088a080f809f482ff6957e66494d07c4ec09ccad3e269236ad5eebcf8d", kill_on_drop: false }` [INFO] [stdout] 3a25ae088a080f809f482ff6957e66494d07c4ec09ccad3e269236ad5eebcf8d