[INFO] fetching crate microspectrogram 0.1.0...
[INFO] building microspectrogram-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate microspectrogram 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate microspectrogram 0.1.0
[INFO] finished tweaking crates.io crate microspectrogram 0.1.0
[INFO] tweaked toml for crates.io crate microspectrogram 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate microspectrogram 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate microspectrogram 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65546392192ee5147e91997d8da15d7006151534709781a439ea726adc9dfa6f
[INFO] running `Command { std: "docker" "start" "-a" "65546392192ee5147e91997d8da15d7006151534709781a439ea726adc9dfa6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65546392192ee5147e91997d8da15d7006151534709781a439ea726adc9dfa6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65546392192ee5147e91997d8da15d7006151534709781a439ea726adc9dfa6f", kill_on_drop: false }`
[INFO] [stdout] 65546392192ee5147e91997d8da15d7006151534709781a439ea726adc9dfa6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd83dae4fcd78656d3dda0174f5e9fc9e40b56c76cf029cbd630177d5356e24
[INFO] running `Command { std: "docker" "start" "-a" "4dd83dae4fcd78656d3dda0174f5e9fc9e40b56c76cf029cbd630177d5356e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling microfft v0.5.1
[INFO] [stderr]    Compiling microspectrogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     slice: &[T],
[INFO] [stdout]    |            ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 38 | ) -> OverlappingWindows<T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 | ) -> OverlappingWindows<'_, T> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "4dd83dae4fcd78656d3dda0174f5e9fc9e40b56c76cf029cbd630177d5356e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd83dae4fcd78656d3dda0174f5e9fc9e40b56c76cf029cbd630177d5356e24", kill_on_drop: false }`
[INFO] [stdout] 4dd83dae4fcd78656d3dda0174f5e9fc9e40b56c76cf029cbd630177d5356e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77d99646fd9c16589e8d34193a1e0db560dcbe415ddedbe3815e6dbd896f3047
[INFO] running `Command { std: "docker" "start" "-a" "77d99646fd9c16589e8d34193a1e0db560dcbe415ddedbe3815e6dbd896f3047", kill_on_drop: false }`
[INFO] [stderr]    Compiling microspectrogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     slice: &[T],
[INFO] [stdout]    |            ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 38 | ) -> OverlappingWindows<T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 | ) -> OverlappingWindows<'_, T> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/utils.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     slice: &[T],
[INFO] [stdout]    |            ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 38 | ) -> OverlappingWindows<T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 | ) -> OverlappingWindows<'_, T> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "77d99646fd9c16589e8d34193a1e0db560dcbe415ddedbe3815e6dbd896f3047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d99646fd9c16589e8d34193a1e0db560dcbe415ddedbe3815e6dbd896f3047", kill_on_drop: false }`
[INFO] [stdout] 77d99646fd9c16589e8d34193a1e0db560dcbe415ddedbe3815e6dbd896f3047