[INFO] fetching crate audio-processor 0.0.1...
[INFO] checking audio-processor-0.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate audio-processor 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate audio-processor 0.0.1
[INFO] finished tweaking crates.io crate audio-processor 0.0.1
[INFO] tweaked toml for crates.io crate audio-processor 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate audio-processor 0.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3818e067ad8f43a5f7f356d540f0a483e4504e80ad7b26112686fd8e954bd189
[INFO] running `Command { std: "docker" "start" "-a" "3818e067ad8f43a5f7f356d540f0a483e4504e80ad7b26112686fd8e954bd189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3818e067ad8f43a5f7f356d540f0a483e4504e80ad7b26112686fd8e954bd189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3818e067ad8f43a5f7f356d540f0a483e4504e80ad7b26112686fd8e954bd189", kill_on_drop: false }`
[INFO] [stdout] 3818e067ad8f43a5f7f356d540f0a483e4504e80ad7b26112686fd8e954bd189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd28ca93507141d293719b3a2da3e22c10872bdb4198cf62e02a2515fbbe0cb1
[INFO] running `Command { std: "docker" "start" "-a" "cd28ca93507141d293719b3a2da3e22c10872bdb4198cf62e02a2515fbbe0cb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking audio-processor v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `delay` is not used by name
[INFO] [stdout]    --> src/lib.rs:194:101
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let filter = format!("[1]adelay={}|{delay}|{delay}[d]; [0][d]amix=inputs=2:duration=first", delay=delay_ms);
[INFO] [stdout]     |                                         --                                                          ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this formatting argument uses named argument `delay` by position
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let filter = format!("[1]adelay={delay}|{delay}|{delay}[d]; [0][d]amix=inputs=2:duration=first", delay=delay_ms);
[INFO] [stdout]     |                                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `delay` is not used by name
[INFO] [stdout]    --> src/lib.rs:194:101
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let filter = format!("[1]adelay={}|{delay}|{delay}[d]; [0][d]amix=inputs=2:duration=first", delay=delay_ms);
[INFO] [stdout]     |                                         --                                                          ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this formatting argument uses named argument `delay` by position
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let filter = format!("[1]adelay={delay}|{delay}|{delay}[d]; [0][d]amix=inputs=2:duration=first", delay=delay_ms);
[INFO] [stdout]     |                                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "cd28ca93507141d293719b3a2da3e22c10872bdb4198cf62e02a2515fbbe0cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd28ca93507141d293719b3a2da3e22c10872bdb4198cf62e02a2515fbbe0cb1", kill_on_drop: false }`
[INFO] [stdout] cd28ca93507141d293719b3a2da3e22c10872bdb4198cf62e02a2515fbbe0cb1