[INFO] fetching crate ruffbox_synth 0.13.0...
[INFO] fixing ruffbox_synth-0.13.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate ruffbox_synth 0.13.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ruffbox_synth 0.13.0
[INFO] finished tweaking crates.io crate ruffbox_synth 0.13.0
[INFO] tweaked toml for crates.io crate ruffbox_synth 0.13.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruffbox_synth 0.13.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ruffbox_synth 0.13.0 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chfft v0.3.4
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded rustfft v6.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f6613c35576969d0773760db67ad6d5c7bb495860c3f103c371e9d48181e0840
[INFO] running `Command { std: "docker" "start" "f6613c35576969d0773760db67ad6d5c7bb495860c3f103c371e9d48181e0840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6613c35576969d0773760db67ad6d5c7bb495860c3f103c371e9d48181e0840" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6613c35576969d0773760db67ad6d5c7bb495860c3f103c371e9d48181e0840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6613c35576969d0773760db67ad6d5c7bb495860c3f103c371e9d48181e0840" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking rustfft v6.4.0
[INFO] [stderr]     Checking chfft v0.3.4
[INFO] [stderr]     Checking realfft v3.5.0
[INFO] [stderr]     Checking rubato v0.16.2
[INFO] [stderr]     Checking ruffbox_synth v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `assert_no_alloc`
[INFO] [stdout]     --> src/ruffbox.rs:1154:9
[INFO] [stdout]      |
[INFO] [stdout] 1154 |     use assert_no_alloc::*;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `assert_no_alloc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `assert_no_alloc`, use `cargo add assert_no_alloc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par`
[INFO] [stdout]   --> src/building_blocks/modulator.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn set_parameter(&mut self, par: SynthParameterLabel, value: &SynthParameterValue) {}
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_par`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/building_blocks/modulator.rs:23:59
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn set_parameter(&mut self, par: SynthParameterLabel, value: &SynthParameterValue) {}
[INFO] [stdout]    |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `par`
[INFO] [stdout]   --> src/building_blocks/modulator.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn set_parameter(&mut self, par: SynthParameterLabel, value: &SynthParameterValue) {}
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_par`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/building_blocks/modulator.rs:23:59
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn set_parameter(&mut self, par: SynthParameterLabel, value: &SynthParameterValue) {}
[INFO] [stdout]    |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruffbox_synth` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f6613c35576969d0773760db67ad6d5c7bb495860c3f103c371e9d48181e0840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6613c35576969d0773760db67ad6d5c7bb495860c3f103c371e9d48181e0840", kill_on_drop: false }`
[INFO] [stdout] f6613c35576969d0773760db67ad6d5c7bb495860c3f103c371e9d48181e0840
