[INFO] cloning repository https://github.com/SoryRawyer/theremini
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SoryRawyer/theremini" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoryRawyer%2Ftheremini", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoryRawyer%2Ftheremini'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25956da54fbc9173c4b82184ab3adc9f3391836f
[INFO] checking SoryRawyer/theremini against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoryRawyer%2Ftheremini" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SoryRawyer/theremini on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SoryRawyer/theremini
[INFO] finished tweaking git repo https://github.com/SoryRawyer/theremini
[INFO] tweaked toml for git repo https://github.com/SoryRawyer/theremini written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/SoryRawyer/theremini already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.9
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.0
[INFO] [stderr]   Downloaded serialport v2.3.0
[INFO] [stderr]   Downloaded regex-syntax v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca27c3a1b654a7ef9194b09c667b799b667ff19edc6535a8ece2cc4dd8cf69a4
[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" "ca27c3a1b654a7ef9194b09c667b799b667ff19edc6535a8ece2cc4dd8cf69a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca27c3a1b654a7ef9194b09c667b799b667ff19edc6535a8ece2cc4dd8cf69a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca27c3a1b654a7ef9194b09c667b799b667ff19edc6535a8ece2cc4dd8cf69a4", kill_on_drop: false }`
[INFO] [stdout] ca27c3a1b654a7ef9194b09c667b799b667ff19edc6535a8ece2cc4dd8cf69a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51888549dbc87ca683022f086b6aa1a5a5a9a3184dbc8203c3e7a5663c4b07ff
[INFO] running `Command { std: "docker" "start" "-a" "51888549dbc87ca683022f086b6aa1a5a5a9a3184dbc8203c3e7a5663c4b07ff", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking cpal v0.8.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking serialport v2.3.0
[INFO] [stderr]     Checking theremini v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut next_value = || {;
[INFO] [stdout]    |                              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         (2.0 * (sample_clock * frequency * 2.0 * 3.141592 / sample_rate).sin())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 86 |     port: Box<serialport::SerialPort>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn serialport::SerialPort`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut next_value = || {;
[INFO] [stdout]    |                              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         (2.0 * (sample_clock * frequency * 2.0 * 3.141592 / sample_rate).sin())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 86 |     port: Box<serialport::SerialPort>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn serialport::SerialPort`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.83s
[INFO] running `Command { std: "docker" "inspect" "51888549dbc87ca683022f086b6aa1a5a5a9a3184dbc8203c3e7a5663c4b07ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51888549dbc87ca683022f086b6aa1a5a5a9a3184dbc8203c3e7a5663c4b07ff", kill_on_drop: false }`
[INFO] [stdout] 51888549dbc87ca683022f086b6aa1a5a5a9a3184dbc8203c3e7a5663c4b07ff