[INFO] updating cached repository iameva/sounding [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/iameva/sounding [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/iameva/sounding" "work/ex/beta-1.38-1/sources/1.37.0/gh/iameva/sounding"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iameva/sounding'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/iameva/sounding" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iameva/sounding"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iameva/sounding'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ef57405064812d0760b226a5359c5784fb611474 [INFO] sha for GitHub repo iameva/sounding: ef57405064812d0760b226a5359c5784fb611474 [INFO] validating manifest of iameva/sounding on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of iameva/sounding on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing iameva/sounding [INFO] finished frobbing iameva/sounding [INFO] frobbed toml for iameva/sounding written to work/ex/beta-1.38-1/sources/1.37.0/gh/iameva/sounding/Cargo.toml [INFO] started frobbing iameva/sounding [INFO] finished frobbing iameva/sounding [INFO] frobbed toml for iameva/sounding written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iameva/sounding/Cargo.toml [INFO] crate iameva/sounding already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing iameva/sounding against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iameva/sounding:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 635531fa3a350cba185fffcd1a1c3f60f7a95f0e7abbc99778d274a7711134c3 [INFO] running `"docker" "start" "-a" "635531fa3a350cba185fffcd1a1c3f60f7a95f0e7abbc99778d274a7711134c3"` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling gl_generator v0.11.0 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling wayland-sys v0.21.12 [INFO] [stderr] Compiling derivative v1.0.2 [INFO] [stderr] Compiling rusttype v0.7.6 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] Compiling glutin_egl_sys v0.1.3 [INFO] [stderr] Compiling glutin_glx_sys v0.1.5 [INFO] [stderr] Compiling gl v0.12.0 [INFO] [stderr] Compiling sounding v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Compiling nix v0.13.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling cpal v0.9.0 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling wayland-commons v0.21.12 [INFO] [stderr] Compiling wayland-client v0.21.12 [INFO] [stderr] Compiling wayland-protocols v0.21.12 [INFO] [stderr] Compiling smithay-client-toolkit v0.4.5 [INFO] [stderr] Compiling winit v0.19.1 [INFO] [stderr] Compiling glutin v0.21.0 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> /opt/crater/target/debug/build/sounding-0b1acf0cb472784a/out/gl_bindings.rs:1776:47 [INFO] [stderr] | [INFO] [stderr] 1776 | fn do_metaloadfn(loadfn: &mut FnMut(&'static str) -> *const __gl_imports::raw::c_void, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&'static str) -> *const __gl_imports::raw::c_void` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `glutin::Context` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use glutin::Context; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `gl::types::*` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use gl::types::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ptr` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::ptr; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::raw::c_void` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::os::raw::c_void; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ffi::CString` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::ffi::CString; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ffi::CStr` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::ffi::CStr; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Path` [INFO] [stderr] --> src/main.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buffer` [INFO] [stderr] --> src/main.rs:141:95 [INFO] [stderr] | [INFO] [stderr] 141 | cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_buffer` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `local` [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let local = Local::now(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_local` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `output_stream_id` [INFO] [stderr] --> src/main.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | let output_stream_id = event_loop.build_output_stream(&output_device, &format).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_stream_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:252:29 [INFO] [stderr] | [INFO] [stderr] 252 | Err(err) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input_stream_id` [INFO] [stderr] --> src/main.rs:233:9 [INFO] [stderr] | [INFO] [stderr] 233 | let input_stream_id = event_loop.build_input_stream(&input_device, &format).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_input_stream_id` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:141:91 [INFO] [stderr] | [INFO] [stderr] 141 | cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => { [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: constant item is never used: `SCREEN_WIDTH` [INFO] [stderr] --> src/main.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | const SCREEN_WIDTH: f64 = 800.0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SCREEN_HEIGHT` [INFO] [stderr] --> src/main.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | const SCREEN_HEIGHT: f64 = 600.0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | std::fs::create_dir_all(base_path.clone()); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:99:33 [INFO] [stderr] | [INFO] [stderr] 99 | f.write_f32::(d); [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:128:33 [INFO] [stderr] | [INFO] [stderr] 128 | tx.send(RecordingEvent::Start(path)); [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:132:29 [INFO] [stderr] | [INFO] [stderr] 132 | tx.send(RecordingEvent::Data(buffer.to_vec())); [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:137:33 [INFO] [stderr] | [INFO] [stderr] 137 | tx.send(RecordingEvent::Stop()); [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 1m 33s [INFO] running `"docker" "inspect" "635531fa3a350cba185fffcd1a1c3f60f7a95f0e7abbc99778d274a7711134c3"` [INFO] running `"docker" "rm" "-f" "635531fa3a350cba185fffcd1a1c3f60f7a95f0e7abbc99778d274a7711134c3"` [INFO] [stdout] 635531fa3a350cba185fffcd1a1c3f60f7a95f0e7abbc99778d274a7711134c3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iameva/sounding:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 20cadcc75e3b6429211b2158b618c2058e1da21ec5bdbf6a0db10ea8ab39e94d [INFO] running `"docker" "start" "-a" "20cadcc75e3b6429211b2158b618c2058e1da21ec5bdbf6a0db10ea8ab39e94d"` [INFO] [stderr] Compiling sounding v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> /opt/crater/target/debug/build/sounding-0b1acf0cb472784a/out/gl_bindings.rs:1776:47 [INFO] [stderr] | [INFO] [stderr] 1776 | fn do_metaloadfn(loadfn: &mut FnMut(&'static str) -> *const __gl_imports::raw::c_void, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&'static str) -> *const __gl_imports::raw::c_void` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `glutin::Context` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use glutin::Context; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `gl::types::*` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use gl::types::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ptr` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::ptr; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::raw::c_void` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::os::raw::c_void; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ffi::CString` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::ffi::CString; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ffi::CStr` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::ffi::CStr; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Path` [INFO] [stderr] --> src/main.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buffer` [INFO] [stderr] --> src/main.rs:141:95 [INFO] [stderr] | [INFO] [stderr] 141 | cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_buffer` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `local` [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let local = Local::now(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_local` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `output_stream_id` [INFO] [stderr] --> src/main.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | let output_stream_id = event_loop.build_output_stream(&output_device, &format).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_stream_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:252:29 [INFO] [stderr] | [INFO] [stderr] 252 | Err(err) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input_stream_id` [INFO] [stderr] --> src/main.rs:233:9 [INFO] [stderr] | [INFO] [stderr] 233 | let input_stream_id = event_loop.build_input_stream(&input_device, &format).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_input_stream_id` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:141:91 [INFO] [stderr] | [INFO] [stderr] 141 | cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => { [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: constant item is never used: `SCREEN_WIDTH` [INFO] [stderr] --> src/main.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | const SCREEN_WIDTH: f64 = 800.0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SCREEN_HEIGHT` [INFO] [stderr] --> src/main.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | const SCREEN_HEIGHT: f64 = 600.0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | std::fs::create_dir_all(base_path.clone()); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:99:33 [INFO] [stderr] | [INFO] [stderr] 99 | f.write_f32::(d); [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:128:33 [INFO] [stderr] | [INFO] [stderr] 128 | tx.send(RecordingEvent::Start(path)); [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:132:29 [INFO] [stderr] | [INFO] [stderr] 132 | tx.send(RecordingEvent::Data(buffer.to_vec())); [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:137:33 [INFO] [stderr] | [INFO] [stderr] 137 | tx.send(RecordingEvent::Stop()); [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 2.38s [INFO] running `"docker" "inspect" "20cadcc75e3b6429211b2158b618c2058e1da21ec5bdbf6a0db10ea8ab39e94d"` [INFO] running `"docker" "rm" "-f" "20cadcc75e3b6429211b2158b618c2058e1da21ec5bdbf6a0db10ea8ab39e94d"` [INFO] [stdout] 20cadcc75e3b6429211b2158b618c2058e1da21ec5bdbf6a0db10ea8ab39e94d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iameva/sounding:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] b24a73047adbd1d022ef7944e0175acdff51252940583ed0afba533793d5cdac [INFO] running `"docker" "start" "-a" "b24a73047adbd1d022ef7944e0175acdff51252940583ed0afba533793d5cdac"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/crater/target/debug/deps/sounding-8100fd364045fb07 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "b24a73047adbd1d022ef7944e0175acdff51252940583ed0afba533793d5cdac"` [INFO] running `"docker" "rm" "-f" "b24a73047adbd1d022ef7944e0175acdff51252940583ed0afba533793d5cdac"` [INFO] [stdout] b24a73047adbd1d022ef7944e0175acdff51252940583ed0afba533793d5cdac