[INFO] updating cached repository https://github.com/MauricevanLeeuwen/seq-rs [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] 6e6c1fd8ce343d728d489cb76e8d3dfaeac91434 [INFO] checking MauricevanLeeuwen/seq-rs against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMauricevanLeeuwen%2Fseq-rs" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MauricevanLeeuwen/seq-rs on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6 [INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/MauricevanLeeuwen/seq-rs [INFO] finished tweaking git repo https://github.com/MauricevanLeeuwen/seq-rs [INFO] tweaked toml for git repo https://github.com/MauricevanLeeuwen/seq-rs written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/MauricevanLeeuwen/seq-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 34de98236ac2f39c4cba29c2cf0dc4ffd85fda4231d355ef4f13d433e4c40fc9 [INFO] running `"docker" "start" "-a" "34de98236ac2f39c4cba29c2cf0dc4ffd85fda4231d355ef4f13d433e4c40fc9"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking portmidi v0.2.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling syn-mid v0.4.0 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling proc-macro-error v0.4.5 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.5 [INFO] [stderr] Compiling structopt-derive v0.4.1 [INFO] [stderr] Checking structopt v0.3.8 [INFO] [stderr] Checking Seq v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `style` [INFO] [stderr] --> src/main.rs:7:37 [INFO] [stderr] | [INFO] [stderr] 7 | use termion::{clear, color, cursor, style}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `style` [INFO] [stderr] --> src/main.rs:7:37 [INFO] [stderr] | [INFO] [stderr] 7 | use termion::{clear, color, cursor, style}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `opt` [INFO] [stderr] --> src/main.rs:132:9 [INFO] [stderr] | [INFO] [stderr] 132 | let opt = Opt::from_args(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_opt` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stderr` [INFO] [stderr] --> src/main.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | let mut stderr = stderr.lock(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_stderr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h` [INFO] [stderr] --> src/main.rs:154:9 [INFO] [stderr] | [INFO] [stderr] 154 | let h = thread::spawn(move || loop { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_h` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `opt` [INFO] [stderr] --> src/main.rs:132:9 [INFO] [stderr] | [INFO] [stderr] 132 | let opt = Opt::from_args(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_opt` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stderr` [INFO] [stderr] --> src/main.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | let mut stderr = stderr.lock(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_stderr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/vm.rs:46:20 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn from_string(input: String, mut midi_out: portmidi::OutputPort) -> Instance { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h` [INFO] [stderr] --> src/main.rs:154:9 [INFO] [stderr] | [INFO] [stderr] 154 | let h = thread::spawn(move || loop { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_h` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/vm.rs:46:20 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn from_string(input: String, mut midi_out: portmidi::OutputPort) -> Instance { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let mut stdout = stdout.lock(); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let mut stdin = stdin.lock(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:140:9 [INFO] [stderr] | [INFO] [stderr] 140 | let mut stderr = stderr.lock(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let mut stdout = stdout.lock(); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let mut stdin = stdin.lock(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:140:9 [INFO] [stderr] | [INFO] [stderr] 140 | let mut stderr = stderr.lock(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:142:9 [INFO] [stderr] | [INFO] [stderr] 142 | let mut input = String::new(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:150:9 [INFO] [stderr] | [INFO] [stderr] 150 | let mut stdout = stdout.into_raw_mode().unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/vm.rs:46:35 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn from_string(input: String, mut midi_out: portmidi::OutputPort) -> Instance { [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:142:9 [INFO] [stderr] | [INFO] [stderr] 142 | let mut input = String::new(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cells` [INFO] [stderr] --> src/vm.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | cells: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:150:9 [INFO] [stderr] | [INFO] [stderr] 150 | let mut stdout = stdout.into_raw_mode().unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Op` [INFO] [stderr] --> src/vm.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | struct Op {} [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bang` [INFO] [stderr] --> src/vm.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn bang() {} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/vm.rs:46:35 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn from_string(input: String, mut midi_out: portmidi::OutputPort) -> Instance { [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cells` [INFO] [stderr] --> src/vm.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | cells: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Op` [INFO] [stderr] --> src/vm.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | struct Op {} [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `step` [INFO] [stderr] --> src/vm.rs:15:4 [INFO] [stderr] | [INFO] [stderr] 15 | fn step(instance: Instance) -> Instance { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bang` [INFO] [stderr] --> src/vm.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn bang() {} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reset` [INFO] [stderr] --> src/main.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | fn reset(&mut self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `Seq` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `seq` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `step` [INFO] [stderr] --> src/vm.rs:15:4 [INFO] [stderr] | [INFO] [stderr] 15 | fn step(instance: Instance) -> Instance { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | / write!( [INFO] [stderr] 75 | | self.stdout, [INFO] [stderr] 76 | | "{}{}{}", [INFO] [stderr] 77 | | color::Bg(color::LightBlue), [INFO] [stderr] 78 | | c, [INFO] [stderr] 79 | | color::Bg(color::Reset) [INFO] [stderr] 80 | | ); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reset` [INFO] [stderr] --> src/main.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | fn reset(&mut self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:83:21 [INFO] [stderr] | [INFO] [stderr] 83 | write!(self.stdout, "{:?}", key); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: crate `Seq` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `seq` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | instance.tick(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | self.midi_out.write_message(event); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | / write!( [INFO] [stderr] 75 | | self.stdout, [INFO] [stderr] 76 | | "{}{}{}", [INFO] [stderr] 77 | | color::Bg(color::LightBlue), [INFO] [stderr] 78 | | c, [INFO] [stderr] 79 | | color::Bg(color::Reset) [INFO] [stderr] 80 | | ); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:83:21 [INFO] [stderr] | [INFO] [stderr] 83 | write!(self.stdout, "{:?}", key); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | instance.tick(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | self.midi_out.write_message(event); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.41s [INFO] running `"docker" "inspect" "34de98236ac2f39c4cba29c2cf0dc4ffd85fda4231d355ef4f13d433e4c40fc9"` [INFO] running `"docker" "rm" "-f" "34de98236ac2f39c4cba29c2cf0dc4ffd85fda4231d355ef4f13d433e4c40fc9"` [INFO] [stdout] 34de98236ac2f39c4cba29c2cf0dc4ffd85fda4231d355ef4f13d433e4c40fc9