[INFO] fetching crate pitch-detection 0.3.0...
[INFO] building pitch-detection-0.3.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate pitch-detection 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate pitch-detection 0.3.0
[INFO] finished tweaking crates.io crate pitch-detection 0.3.0
[INFO] tweaked toml for crates.io crate pitch-detection 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pitch-detection 0.3.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-check v0.3.4
[INFO] [stderr]   Downloaded strength_reduce v0.2.4
[INFO] [stderr]   Downloaded transpose v0.2.3
[INFO] [stderr]   Downloaded rustfft v6.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fda389837fabd7d667e6905ae0ae839220d29309b88e1fa91af4c46def629667
[INFO] running `Command { std: "docker" "start" "-a" "fda389837fabd7d667e6905ae0ae839220d29309b88e1fa91af4c46def629667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fda389837fabd7d667e6905ae0ae839220d29309b88e1fa91af4c46def629667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda389837fabd7d667e6905ae0ae839220d29309b88e1fa91af4c46def629667", kill_on_drop: false }`
[INFO] [stdout] fda389837fabd7d667e6905ae0ae839220d29309b88e1fa91af4c46def629667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b72549aacdbd579b5b08281df9dacf3fc6888c5c69fd322b97724e0bb15cf478
[INFO] running `Command { std: "docker" "start" "-a" "b72549aacdbd579b5b08281df9dacf3fc6888c5c69fd322b97724e0bb15cf478", kill_on_drop: false }`
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling primal-check v0.3.4
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling rustfft v6.4.1
[INFO] [stderr]    Compiling pitch-detection v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/buffer.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     for mut s in arr {
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "b72549aacdbd579b5b08281df9dacf3fc6888c5c69fd322b97724e0bb15cf478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72549aacdbd579b5b08281df9dacf3fc6888c5c69fd322b97724e0bb15cf478", kill_on_drop: false }`
[INFO] [stdout] b72549aacdbd579b5b08281df9dacf3fc6888c5c69fd322b97724e0bb15cf478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c11cc03ad77dc7dc003df61706c25f73f8736da63f7746bc6e6ad8cce5c3128
[INFO] running `Command { std: "docker" "start" "-a" "2c11cc03ad77dc7dc003df61706c25f73f8736da63f7746bc6e6ad8cce5c3128", kill_on_drop: false }`
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/buffer.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     for mut s in arr {
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling pitch-detection v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/buffer.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     for mut s in arr {
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.32s
[INFO] running `Command { std: "docker" "inspect" "2c11cc03ad77dc7dc003df61706c25f73f8736da63f7746bc6e6ad8cce5c3128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c11cc03ad77dc7dc003df61706c25f73f8736da63f7746bc6e6ad8cce5c3128", kill_on_drop: false }`
[INFO] [stdout] 2c11cc03ad77dc7dc003df61706c25f73f8736da63f7746bc6e6ad8cce5c3128