[INFO] updating cached repository https://github.com/DCubix/Twen [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 72f220dc0d1c22983f13ecd8a3e43f6985e435f6 [INFO] testing DCubix/Twen against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDCubix%2FTwen" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DCubix/Twen on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/DCubix/Twen [INFO] finished tweaking git repo https://github.com/DCubix/Twen [INFO] tweaked toml for git repo https://github.com/DCubix/Twen written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/DCubix/Twen already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 08fb4790ca5aa59d357c41e8a3f7deb429bc5209f8568a5c59187cc9859ad04d [INFO] running `"docker" "start" "-a" "08fb4790ca5aa59d357c41e8a3f7deb429bc5209f8568a5c59187cc9859ad04d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling crossbeam-utils v0.6.3 [INFO] [stderr] Compiling sdl2-sys v0.32.4 [INFO] [stderr] Compiling tokio-executor v0.1.5 [INFO] [stderr] Compiling smallvec v0.6.7 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.4 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling sdl2 v0.32.0 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling tokio-reactor v0.1.7 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling notify v4.0.6 [INFO] [stderr] Compiling twen v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/parser.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser.rs:95:7 [INFO] [stderr] | [INFO] [stderr] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser.rs:95:19 [INFO] [stderr] | [INFO] [stderr] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | '-' | '0'...'9' | '.' => { // Number [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Input`, `NodeGraph` [INFO] [stderr] --> src/main.rs:7:19 [INFO] [stderr] | [INFO] [stderr] 7 | use self::node::{ NodeGraph, Input }; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Parser` [INFO] [stderr] --> src/main.rs:8:21 [INFO] [stderr] | [INFO] [stderr] 8 | use self::parser::{ Parser, GraphLoader }; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/node.rs:39:4 [INFO] [stderr] | [INFO] [stderr] 39 | _ => 0.0 [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/parser.rs:422:4 [INFO] [stderr] | [INFO] [stderr] 422 | _ => Value::Nil [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `spec` [INFO] [stderr] --> src/main.rs:60:61 [INFO] [stderr] | [INFO] [stderr] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_spec` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:60:6 [INFO] [stderr] | [INFO] [stderr] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: private type `node::InputContext<'_, '_>` in public interface (error E0446) [INFO] [stderr] --> src/node.rs:34:2 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn sample(self, ctx: InputContext) -> f32 { [INFO] [stderr] | _____^ [INFO] [stderr] 35 | | match self { [INFO] [stderr] 36 | | Input::Value(v) => v, [INFO] [stderr] 37 | | Input::Node(id) => ctx.outputs[id], [INFO] [stderr] ... | [INFO] [stderr] 40 | | } [INFO] [stderr] 41 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Null` [INFO] [stderr] --> src/node.rs:46:2 [INFO] [stderr] | [INFO] [stderr] 46 | Null, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `delete_node` [INFO] [stderr] --> src/node.rs:174:9 [INFO] [stderr] | [INFO] [stderr] 174 | pub fn delete_node(&mut self, id: usize) -> Result<(), &str> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `prev` [INFO] [stderr] --> src/parser.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn prev(&self) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/parser.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn peek(&self) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `step_back` [INFO] [stderr] --> src/parser.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn step_back(&mut self) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `audioSender` should have a snake case name [INFO] [stderr] --> src/main.rs:58:7 [INFO] [stderr] | [INFO] [stderr] 58 | let (audioSender, rx) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `audio_sender` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `audioReceiver` should have a snake case name [INFO] [stderr] --> src/main.rs:59:11 [INFO] [stderr] | [INFO] [stderr] 59 | let (cs, audioReceiver) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `audio_receiver` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | canvas.draw_line(Point::new(px, py), Point::new(i as i32, y)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.48s [INFO] running `"docker" "inspect" "08fb4790ca5aa59d357c41e8a3f7deb429bc5209f8568a5c59187cc9859ad04d"` [INFO] running `"docker" "rm" "-f" "08fb4790ca5aa59d357c41e8a3f7deb429bc5209f8568a5c59187cc9859ad04d"` [INFO] [stdout] 08fb4790ca5aa59d357c41e8a3f7deb429bc5209f8568a5c59187cc9859ad04d [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b2bc7dcd0f787042a652781b2c48033c4df04777b65f9d201b801e218eaec215 [INFO] running `"docker" "start" "-a" "b2bc7dcd0f787042a652781b2c48033c4df04777b65f9d201b801e218eaec215"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling twen v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/parser.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser.rs:95:7 [INFO] [stderr] | [INFO] [stderr] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser.rs:95:19 [INFO] [stderr] | [INFO] [stderr] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | '-' | '0'...'9' | '.' => { // Number [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Input`, `NodeGraph` [INFO] [stderr] --> src/main.rs:7:19 [INFO] [stderr] | [INFO] [stderr] 7 | use self::node::{ NodeGraph, Input }; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Parser` [INFO] [stderr] --> src/main.rs:8:21 [INFO] [stderr] | [INFO] [stderr] 8 | use self::parser::{ Parser, GraphLoader }; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/node.rs:39:4 [INFO] [stderr] | [INFO] [stderr] 39 | _ => 0.0 [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/parser.rs:422:4 [INFO] [stderr] | [INFO] [stderr] 422 | _ => Value::Nil [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `spec` [INFO] [stderr] --> src/main.rs:60:61 [INFO] [stderr] | [INFO] [stderr] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_spec` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:60:6 [INFO] [stderr] | [INFO] [stderr] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: private type `node::InputContext<'_, '_>` in public interface (error E0446) [INFO] [stderr] --> src/node.rs:34:2 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn sample(self, ctx: InputContext) -> f32 { [INFO] [stderr] | _____^ [INFO] [stderr] 35 | | match self { [INFO] [stderr] 36 | | Input::Value(v) => v, [INFO] [stderr] 37 | | Input::Node(id) => ctx.outputs[id], [INFO] [stderr] ... | [INFO] [stderr] 40 | | } [INFO] [stderr] 41 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Null` [INFO] [stderr] --> src/node.rs:46:2 [INFO] [stderr] | [INFO] [stderr] 46 | Null, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `delete_node` [INFO] [stderr] --> src/node.rs:174:9 [INFO] [stderr] | [INFO] [stderr] 174 | pub fn delete_node(&mut self, id: usize) -> Result<(), &str> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `prev` [INFO] [stderr] --> src/parser.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn prev(&self) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/parser.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn peek(&self) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `step_back` [INFO] [stderr] --> src/parser.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn step_back(&mut self) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `audioSender` should have a snake case name [INFO] [stderr] --> src/main.rs:58:7 [INFO] [stderr] | [INFO] [stderr] 58 | let (audioSender, rx) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `audio_sender` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `audioReceiver` should have a snake case name [INFO] [stderr] --> src/main.rs:59:11 [INFO] [stderr] | [INFO] [stderr] 59 | let (cs, audioReceiver) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `audio_receiver` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | canvas.draw_line(Point::new(px, py), Point::new(i as i32, y)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `"docker" "inspect" "b2bc7dcd0f787042a652781b2c48033c4df04777b65f9d201b801e218eaec215"` [INFO] running `"docker" "rm" "-f" "b2bc7dcd0f787042a652781b2c48033c4df04777b65f9d201b801e218eaec215"` [INFO] [stdout] b2bc7dcd0f787042a652781b2c48033c4df04777b65f9d201b801e218eaec215 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e6038e62bb555e7d4f96ddffc6d3d827052fbce86474ddd2b01df01a15b7e036 [INFO] running `"docker" "start" "-a" "e6038e62bb555e7d4f96ddffc6d3d827052fbce86474ddd2b01df01a15b7e036"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::env` [INFO] [stdout] [INFO] [stderr] --> src/parser.rs:3:5 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 3 | use std::env; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] | ^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser.rs:95:7 [INFO] [stderr] | [INFO] [stderr] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser.rs:95:19 [INFO] [stderr] | [INFO] [stderr] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parser.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | '-' | '0'...'9' | '.' => { // Number [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Input`, `NodeGraph` [INFO] [stderr] --> src/main.rs:7:19 [INFO] [stderr] | [INFO] [stderr] 7 | use self::node::{ NodeGraph, Input }; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Parser` [INFO] [stderr] --> src/main.rs:8:21 [INFO] [stderr] | [INFO] [stderr] 8 | use self::parser::{ Parser, GraphLoader }; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/node.rs:39:4 [INFO] [stderr] | [INFO] [stderr] 39 | _ => 0.0 [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/parser.rs:422:4 [INFO] [stderr] | [INFO] [stderr] 422 | _ => Value::Nil [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `spec` [INFO] [stderr] --> src/main.rs:60:61 [INFO] [stderr] | [INFO] [stderr] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_spec` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:60:6 [INFO] [stderr] | [INFO] [stderr] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: private type `node::InputContext<'_, '_>` in public interface (error E0446) [INFO] [stderr] --> src/node.rs:34:2 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn sample(self, ctx: InputContext) -> f32 { [INFO] [stderr] | _____^ [INFO] [stderr] 35 | | match self { [INFO] [stderr] 36 | | Input::Value(v) => v, [INFO] [stderr] 37 | | Input::Node(id) => ctx.outputs[id], [INFO] [stderr] ... | [INFO] [stderr] 40 | | } [INFO] [stderr] 41 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Null` [INFO] [stderr] --> src/node.rs:46:2 [INFO] [stderr] | [INFO] [stderr] 46 | Null, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `delete_node` [INFO] [stderr] --> src/node.rs:174:9 [INFO] [stderr] | [INFO] [stderr] 174 | pub fn delete_node(&mut self, id: usize) -> Result<(), &str> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `prev` [INFO] [stderr] --> src/parser.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn prev(&self) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/parser.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn peek(&self) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `step_back` [INFO] [stderr] --> src/parser.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn step_back(&mut self) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `audioSender` should have a snake case name [INFO] [stderr] --> src/main.rs:58:7 [INFO] [stderr] | [INFO] [stderr] 58 | let (audioSender, rx) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `audio_sender` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `audioReceiver` should have a snake case name [INFO] [stderr] --> src/main.rs:59:11 [INFO] [stderr] | [INFO] [stderr] 59 | let (cs, audioReceiver) = mpsc::channel(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `audio_receiver` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | canvas.draw_line(Point::new(px, py), Point::new(i as i32, y)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/twen-c138fb1a010b4cd2 [INFO] running `"docker" "inspect" "e6038e62bb555e7d4f96ddffc6d3d827052fbce86474ddd2b01df01a15b7e036"` [INFO] running `"docker" "rm" "-f" "e6038e62bb555e7d4f96ddffc6d3d827052fbce86474ddd2b01df01a15b7e036"` [INFO] [stdout] e6038e62bb555e7d4f96ddffc6d3d827052fbce86474ddd2b01df01a15b7e036