[INFO] cloning repository https://github.com/sh1yu/rust-training [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sh1yu/rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh1yu%2Frust-training", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh1yu%2Frust-training'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3f47cf39857600127a95a385e551162989daf296 [INFO] testing sh1yu/rust-training against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh1yu%2Frust-training" "/workspace/builds/worker-22/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sh1yu/rust-training on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sh1yu/rust-training [INFO] finished tweaking git repo https://github.com/sh1yu/rust-training [INFO] tweaked toml for git repo https://github.com/sh1yu/rust-training written to /workspace/builds/worker-22/source/Cargo.toml [INFO] crate git repo https://github.com/sh1yu/rust-training already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root: [INFO] [stderr] package: /workspace/builds/worker-22/source/practice/algori/Cargo.toml [INFO] [stderr] workspace: /workspace/builds/worker-22/source/Cargo.toml [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded simple_logger v1.15.0 [INFO] [stderr] Downloaded better_any v0.1.1 [INFO] [stderr] Downloaded better_typeid_derive v0.1.1 [INFO] [stderr] Downloaded murmur3 v0.4.1 [INFO] [stderr] Downloaded antlr-rust v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b740f61bfb5ce79d6e896b1747ae1cde8b21bd26083291c2e74b1db3b77003f8 [INFO] running `Command { std: "docker" "start" "-a" "b740f61bfb5ce79d6e896b1747ae1cde8b21bd26083291c2e74b1db3b77003f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b740f61bfb5ce79d6e896b1747ae1cde8b21bd26083291c2e74b1db3b77003f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b740f61bfb5ce79d6e896b1747ae1cde8b21bd26083291c2e74b1db3b77003f8", kill_on_drop: false }` [INFO] [stdout] b740f61bfb5ce79d6e896b1747ae1cde8b21bd26083291c2e74b1db3b77003f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22be20723e505b493bbcf9b47d3412316e64f604c5fdeb39a06752c7acd495a6 [INFO] running `Command { std: "docker" "start" "-a" "22be20723e505b493bbcf9b47d3412316e64f604c5fdeb39a06752c7acd495a6", kill_on_drop: false }` [INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root: [INFO] [stderr] package: /opt/rustwide/workdir/practice/algori/Cargo.toml [INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The bin target `client` in package `tokio-demo v0.1.0 (/opt/rustwide/workdir/practice/tokio-demo)` has the same output filename as the bin target `client` in package `pow v0.1.0 (/opt/rustwide/workdir/practice/pow)`. [INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/client [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The bin target `client` in package `udp-demo v0.1.0 (/opt/rustwide/workdir/practice/udp-demo)` has the same output filename as the bin target `client` in package `tokio-demo v0.1.0 (/opt/rustwide/workdir/practice/tokio-demo)`. [INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/client [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The bin target `server` in package `udp-demo v0.1.0 (/opt/rustwide/workdir/practice/udp-demo)` has the same output filename as the bin target `server` in package `pow v0.1.0 (/opt/rustwide/workdir/practice/pow)`. [INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/server [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling futures-sink v0.3.18 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Compiling futures-io v0.3.18 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling anyhow v1.0.49 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling copyless v0.1.5 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling crc32fast v1.2.2 [INFO] [stderr] Compiling const_fn v0.4.8 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling match_cfg v0.1.0 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling encoding_rs v0.8.29 [INFO] [stderr] Compiling cpufeatures v0.2.1 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling tower-layer v0.3.1 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling arrayvec v0.7.2 [INFO] [stderr] Compiling time-macros v0.2.3 [INFO] [stderr] Compiling arrayref v0.3.6 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling constant_time_eq v0.1.5 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling httpdate v0.3.2 [INFO] [stderr] Compiling typed-arena v2.0.1 [INFO] [stderr] Compiling subtle v2.4.1 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling stack-demo v0.1.0 (/opt/rustwide/workdir/practice/stack-demo) [INFO] [stderr] Compiling algori v0.1.0 (/opt/rustwide/workdir/practice/algori) [INFO] [stderr] Compiling udp-demo v0.1.0 (/opt/rustwide/workdir/practice/udp-demo) [INFO] [stderr] Compiling thread_demo v0.1.0 (/opt/rustwide/workdir/practice/thread_demo) [INFO] [stderr] Compiling state_pattern_demo v0.1.0 (/opt/rustwide/workdir/practice/state_pattern_demo) [INFO] [stderr] Compiling futures v0.1.0 (/opt/rustwide/workdir/practice/futures) [INFO] [stderr] Compiling tree-demo v0.1.0 (/opt/rustwide/workdir/practice/tree-demo) [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling murmur3 v0.4.1 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling http v0.2.5 [INFO] [stdout] warning: unused variable: `to_borrow` [INFO] [stdout] --> practice/futures/src/generator2.rs:45:34 [INFO] [stdout] | [INFO] [stdout] 45 | GeneratorA::Yield1 { to_borrow, borrowed } => { [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `to_borrow: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `FatPointer` [INFO] [stdout] --> practice/futures/src/vtable.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct FatPointer<'a> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Data` [INFO] [stdout] --> practice/futures/src/vtable.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Data { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add` [INFO] [stdout] --> practice/futures/src/vtable.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn add(s: &Data) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sub` [INFO] [stdout] --> practice/futures/src/vtable.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn sub(s: &Data) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `mul` [INFO] [stdout] --> practice/futures/src/vtable.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn mul(s: &Data) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> practice/futures/src/pin.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | a: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/futures/src/pin.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> practice/futures/src/pin.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | b: *const String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/futures/src/pin.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> practice/futures/src/pin.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn new(txt: &str) -> Pin> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `a` [INFO] [stdout] --> practice/futures/src/pin.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn a(self: Pin<&Self>) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `b` [INFO] [stdout] --> practice/futures/src/pin.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | fn b(self: Pin<&Self>) -> &String { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Enter` [INFO] [stdout] --> practice/futures/src/generator.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Enter(i32), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start` [INFO] [stdout] --> practice/futures/src/generator.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn start(a1: i32) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Enter` [INFO] [stdout] --> practice/futures/src/generator2.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Enter, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start` [INFO] [stdout] --> practice/futures/src/generator2.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn start() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `block_on` [INFO] [stdout] --> practice/futures/src/future.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn block_on(mut future: F) -> F::Output { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parker` [INFO] [stdout] --> practice/futures/src/future.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | parker: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `MyWaker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/futures/src/future.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `mywaker_wake` [INFO] [stdout] --> practice/futures/src/future.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn mywaker_wake(s: &MyWaker) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `mywaker_clone` [INFO] [stdout] --> practice/futures/src/future.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn mywaker_clone(s: &MyWaker) -> RawWaker { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `VTABLE` [INFO] [stdout] --> practice/futures/src/future.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | / const VTABLE: RawWakerVTable = unsafe { [INFO] [stdout] 50 | | RawWakerVTable::new( [INFO] [stdout] 51 | | |s| mywaker_clone(&*(s as *const MyWaker)), // clone [INFO] [stdout] 52 | | |s| mywaker_wake(&*(s as *const MyWaker)), // wake [INFO] [stdout] ... | [INFO] [stdout] 55 | | ) [INFO] [stdout] 56 | | }; [INFO] [stdout] | |__^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `waker_into_waker` [INFO] [stdout] --> practice/futures/src/future.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn waker_into_waker(s: *const MyWaker) -> Waker { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> practice/futures/src/future.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | fn new(reactor: Arc>>, data: u64, id: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ready` [INFO] [stdout] --> practice/futures/src/future.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | Ready, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> practice/futures/src/future.rs:116:8 [INFO] [stdout] | [INFO] [stdout] 116 | fn new() -> Arc>> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `wake` [INFO] [stdout] --> practice/futures/src/future.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | fn wake(&mut self, id: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `park` [INFO] [stdout] --> practice/futures/src/future.rs:194:8 [INFO] [stdout] | [INFO] [stdout] 194 | fn park(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unpark` [INFO] [stdout] --> practice/futures/src/future.rs:202:8 [INFO] [stdout] | [INFO] [stdout] 202 | fn unpark(&self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bytestring v1.0.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> practice/tree-demo/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | value: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/tree-demo/src/main.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `children` [INFO] [stdout] --> practice/tree-demo/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/tree-demo/src/main.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling cookie v0.14.4 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-bigint-dig v0.7.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling blake3 v1.2.0 [INFO] [stderr] error: could not compile `regex-syntax` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=71dab053db1b6952 -C extra-filename=-71dab053db1b6952 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "22be20723e505b493bbcf9b47d3412316e64f604c5fdeb39a06752c7acd495a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22be20723e505b493bbcf9b47d3412316e64f604c5fdeb39a06752c7acd495a6", kill_on_drop: false }` [INFO] [stdout] 22be20723e505b493bbcf9b47d3412316e64f604c5fdeb39a06752c7acd495a6