[INFO] cloning repository https://github.com/DCubix/Twen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DCubix/Twen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDCubix%2FTwen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDCubix%2FTwen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 72f220dc0d1c22983f13ecd8a3e43f6985e435f6 [INFO] checking DCubix/Twen against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDCubix%2FTwen" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DCubix/Twen on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-1/source/Cargo.toml [INFO] crate git repo https://github.com/DCubix/Twen already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49d79728a15f6ac51cd942c2ac6556d2a48fdb880f036b1305944df7f5bd0671 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "49d79728a15f6ac51cd942c2ac6556d2a48fdb880f036b1305944df7f5bd0671", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49d79728a15f6ac51cd942c2ac6556d2a48fdb880f036b1305944df7f5bd0671", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49d79728a15f6ac51cd942c2ac6556d2a48fdb880f036b1305944df7f5bd0671", kill_on_drop: false }` [INFO] [stdout] 49d79728a15f6ac51cd942c2ac6556d2a48fdb880f036b1305944df7f5bd0671 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 645720d9f1cad701504c5fffea0e41bcf51c044c23ea2ea1b4f83f4f6e3a1dca [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "645720d9f1cad701504c5fffea0e41bcf51c044c23ea2ea1b4f83f4f6e3a1dca", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Compiling sdl2-sys v0.32.4 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking filetime v0.2.4 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking sdl2 v0.32.0 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking notify v4.0.6 [INFO] [stderr] Checking twen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parser.rs:95:7 [INFO] [stdout] | [INFO] [stdout] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parser.rs:95:19 [INFO] [stdout] | [INFO] [stdout] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parser.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | '-' | '0'...'9' | '.' => { // Number [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Input`, `NodeGraph` [INFO] [stdout] --> src/main.rs:7:19 [INFO] [stdout] | [INFO] [stdout] 7 | use self::node::{ NodeGraph, Input }; [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Parser` [INFO] [stdout] --> src/main.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | use self::parser::{ Parser, GraphLoader }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parser.rs:95:7 [INFO] [stdout] | [INFO] [stdout] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parser.rs:95:19 [INFO] [stdout] | [INFO] [stdout] 95 | 'a'...'z' | 'A'...'Z' | '_' => { // Identifier [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parser.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | '-' | '0'...'9' | '.' => { // Number [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Input`, `NodeGraph` [INFO] [stdout] --> src/main.rs:7:19 [INFO] [stdout] | [INFO] [stdout] 7 | use self::node::{ NodeGraph, Input }; [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Parser` [INFO] [stdout] --> src/main.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | use self::parser::{ Parser, GraphLoader }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/node.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | _ => 0.0 [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parser.rs:422:4 [INFO] [stdout] | [INFO] [stdout] 422 | _ => Value::Nil [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spec` [INFO] [stdout] --> src/main.rs:60:61 [INFO] [stdout] | [INFO] [stdout] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_spec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/node.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | _ => 0.0 [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parser.rs:422:4 [INFO] [stdout] | [INFO] [stdout] 422 | _ => Value::Nil [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spec` [INFO] [stdout] --> src/main.rs:60:61 [INFO] [stdout] | [INFO] [stdout] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_spec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:60:6 [INFO] [stdout] | [INFO] [stdout] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:60:6 [INFO] [stdout] | [INFO] [stdout] 60 | let mut device = audio.open_playback(None, &desired_spec, |spec| { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `InputContext<'_, '_>` in public interface (error E0446) [INFO] [stdout] --> src/node.rs:34:2 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn sample(self, ctx: InputContext) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [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: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Null` [INFO] [stdout] --> src/node.rs:46:2 [INFO] [stdout] | [INFO] [stdout] 46 | Null, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete_node` [INFO] [stdout] --> src/node.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn delete_node(&mut self, id: usize) -> Result<(), &str> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prev` [INFO] [stdout] --> src/parser.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn prev(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/parser.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn peek(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `step_back` [INFO] [stdout] --> src/parser.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn step_back(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `InputContext<'_, '_>` in public interface (error E0446) [INFO] [stdout] --> src/node.rs:34:2 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn sample(self, ctx: InputContext) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [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: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `audioSender` should have a snake case name [INFO] [stdout] --> src/main.rs:58:7 [INFO] [stdout] | [INFO] [stdout] 58 | let (audioSender, rx) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `audio_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `audioReceiver` should have a snake case name [INFO] [stdout] --> src/main.rs:59:11 [INFO] [stdout] | [INFO] [stdout] 59 | let (cs, audioReceiver) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `audio_receiver` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Null` [INFO] [stdout] --> src/node.rs:46:2 [INFO] [stdout] | [INFO] [stdout] 46 | Null, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete_node` [INFO] [stdout] --> src/node.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn delete_node(&mut self, id: usize) -> Result<(), &str> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | canvas.draw_line(Point::new(px, py), Point::new(i as i32, y)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prev` [INFO] [stdout] --> src/parser.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn prev(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/parser.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn peek(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `step_back` [INFO] [stdout] --> src/parser.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn step_back(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `audioSender` should have a snake case name [INFO] [stdout] --> src/main.rs:58:7 [INFO] [stdout] | [INFO] [stdout] 58 | let (audioSender, rx) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `audio_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `audioReceiver` should have a snake case name [INFO] [stdout] --> src/main.rs:59:11 [INFO] [stdout] | [INFO] [stdout] 59 | let (cs, audioReceiver) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `audio_receiver` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | canvas.draw_line(Point::new(px, py), Point::new(i as i32, y)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.40s [INFO] running `Command { std: "docker" "inspect" "645720d9f1cad701504c5fffea0e41bcf51c044c23ea2ea1b4f83f4f6e3a1dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "645720d9f1cad701504c5fffea0e41bcf51c044c23ea2ea1b4f83f4f6e3a1dca", kill_on_drop: false }` [INFO] [stdout] 645720d9f1cad701504c5fffea0e41bcf51c044c23ea2ea1b4f83f4f6e3a1dca