[INFO] cloning repository https://github.com/jimktrains/synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimktrains/synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimktrains%2Fsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimktrains%2Fsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edcf2bfcac16e1423cc743bd7cb26bc23455b3fd
[INFO] checking jimktrains/synth against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimktrains%2Fsynth" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimktrains/synth on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jimktrains/synth
[INFO] finished tweaking git repo https://github.com/jimktrains/synth
[INFO] tweaked toml for git repo https://github.com/jimktrains/synth written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jimktrains/synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui v0.14.0
[INFO] [stderr]   Downloaded wav v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7811353f9447ade7c86037d887d0bbf4cfc4a60f63c20a5be07ab98f6e963823
[INFO] running `Command { std: "docker" "start" "-a" "7811353f9447ade7c86037d887d0bbf4cfc4a60f63c20a5be07ab98f6e963823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7811353f9447ade7c86037d887d0bbf4cfc4a60f63c20a5be07ab98f6e963823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7811353f9447ade7c86037d887d0bbf4cfc4a60f63c20a5be07ab98f6e963823", kill_on_drop: false }`
[INFO] [stdout] 7811353f9447ade7c86037d887d0bbf4cfc4a60f63c20a5be07ab98f6e963823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e745823401ded1b420794a13a4b5cd40806ae97e1b19348179abc35ab7ab3fe8
[INFO] running `Command { std: "docker" "start" "-a" "e745823401ded1b420794a13a4b5cd40806ae97e1b19348179abc35ab7ab3fe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking wav v0.6.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking jsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `triggered_at`, `gated_at`, and `gate_closed_at` are never read
[INFO] [stdout]   --> src/env/adsr.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Adsr {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     triggered_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 22 |     gated_at: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     gate_closed_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Adsr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wt` and `phase_offset` are never read
[INFO] [stdout]   --> src/osc/wave_table_osc.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct WaveTableOsc {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub wt: [i16; WAVE_TABLE_SAMPLES_PER_CYCLE as usize],
[INFO] [stdout]    |         ^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub phase_offset: i16,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exit_key` is never read
[INFO] [stdout]   --> src/tui_util.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 68 |     pub exit_key: Key,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `enhanced_graphics` is never read
[INFO] [stdout]   --> src/ui.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     struct Cli {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 86 |         enhanced_graphics: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `inputs` and `outputs` are never used
[INFO] [stdout]   --> src/util.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait Component:
[INFO] [stdout]    |           --------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn inputs(&self) -> Vec<&'static str>;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 32 |     fn outputs(&self) -> Vec<&'static str>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `triggered_at`, `gated_at`, and `gate_closed_at` are never read
[INFO] [stdout]   --> src/env/adsr.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Adsr {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     triggered_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 22 |     gated_at: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     gate_closed_at: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Adsr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wt` and `phase_offset` are never read
[INFO] [stdout]   --> src/osc/wave_table_osc.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct WaveTableOsc {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub wt: [i16; WAVE_TABLE_SAMPLES_PER_CYCLE as usize],
[INFO] [stdout]    |         ^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub phase_offset: i16,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exit_key` is never read
[INFO] [stdout]   --> src/tui_util.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 68 |     pub exit_key: Key,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `enhanced_graphics` is never read
[INFO] [stdout]   --> src/ui.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     struct Cli {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 86 |         enhanced_graphics: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `inputs` and `outputs` are never used
[INFO] [stdout]   --> src/util.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait Component:
[INFO] [stdout]    |           --------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn inputs(&self) -> Vec<&'static str>;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 32 |     fn outputs(&self) -> Vec<&'static str>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `Command { std: "docker" "inspect" "e745823401ded1b420794a13a4b5cd40806ae97e1b19348179abc35ab7ab3fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e745823401ded1b420794a13a4b5cd40806ae97e1b19348179abc35ab7ab3fe8", kill_on_drop: false }`
[INFO] [stdout] e745823401ded1b420794a13a4b5cd40806ae97e1b19348179abc35ab7ab3fe8
