[INFO] cloning repository https://github.com/magicgoose/serious_business
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magicgoose/serious_business" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicgoose%2Fserious_business"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicgoose%2Fserious_business'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7571bdbd3e45f6079b73f8f927ea92f5538005dd
[INFO] checking magicgoose/serious_business against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicgoose%2Fserious_business" "/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/magicgoose/serious_business on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/magicgoose/serious_business
[INFO] finished tweaking git repo https://github.com/magicgoose/serious_business
[INFO] tweaked toml for git repo https://github.com/magicgoose/serious_business written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/magicgoose/serious_business already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 0343ae9636dbceaedcbff85b3ff990f4730be90218e48e936a2eef945fcd848a
[INFO] running `"docker" "start" "-a" "0343ae9636dbceaedcbff85b3ff990f4730be90218e48e936a2eef945fcd848a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking c_ffi_external v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ffi/utils.rs:10:31
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let str_slice: &str = try!(unsafe { CStr::from_ptr(str_ptr) }
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::fmt::Display;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | /     loop {
[INFO] [stderr] 112 | |         unsafe { soundio_wait_events(soundio) };
[INFO] [stderr] 113 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 114 | 
[INFO] [stderr] 115 |       unsafe { soundio_outstream_destroy(out_stream) };
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ffi/utils.rs:10:31
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let str_slice: &str = try!(unsafe { CStr::from_ptr(str_ptr) }
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::fmt::Display;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg1`
[INFO] [stderr]   --> src/main.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 | extern "C" fn underflow_cb(arg1: *mut SoundIoOutStream) {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_arg1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame_count_min`
[INFO] [stderr]   --> src/main.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |                         frame_count_min: c_int,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_frame_count_min`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bytes_per_sample`
[INFO] [stderr]    --> src/ffi/enums.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     pub fn bytes_per_sample(self) -> i32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `seconds_offset` should have an upper case name
[INFO] [stderr]   --> src/main.rs:27:16
[INFO] [stderr]    |
[INFO] [stderr] 27 |     static mut seconds_offset: f32 = 0_f32;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SECONDS_OFFSET`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | /     loop {
[INFO] [stderr] 112 | |         unsafe { soundio_wait_events(soundio) };
[INFO] [stderr] 113 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 114 | 
[INFO] [stderr] 115 |       unsafe { soundio_outstream_destroy(out_stream) };
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg1`
[INFO] [stderr]   --> src/main.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 | extern "C" fn underflow_cb(arg1: *mut SoundIoOutStream) {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_arg1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame_count_min`
[INFO] [stderr]   --> src/main.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |                         frame_count_min: c_int,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_frame_count_min`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bytes_per_sample`
[INFO] [stderr]    --> src/ffi/enums.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     pub fn bytes_per_sample(self) -> i32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `seconds_offset` should have an upper case name
[INFO] [stderr]   --> src/main.rs:27:16
[INFO] [stderr]    |
[INFO] [stderr] 27 |     static mut seconds_offset: f32 = 0_f32;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SECONDS_OFFSET`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "0343ae9636dbceaedcbff85b3ff990f4730be90218e48e936a2eef945fcd848a"`
[INFO] running `"docker" "rm" "-f" "0343ae9636dbceaedcbff85b3ff990f4730be90218e48e936a2eef945fcd848a"`
[INFO] [stdout] 0343ae9636dbceaedcbff85b3ff990f4730be90218e48e936a2eef945fcd848a