[INFO] cloning repository https://github.com/Sammons/sammons-vst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sammons/sammons-vst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSammons%2Fsammons-vst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSammons%2Fsammons-vst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1219c6ea56bcc20e3b872ffb23662256034f2960
[INFO] checking Sammons/sammons-vst against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSammons%2Fsammons-vst" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sammons/sammons-vst on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sammons/sammons-vst
[INFO] finished tweaking git repo https://github.com/Sammons/sammons-vst
[INFO] tweaked toml for git repo https://github.com/Sammons/sammons-vst written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Sammons/sammons-vst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb38347f83a9c4317842c513174cd2818c65e6332c337e42ac013783ae1a79b9
[INFO] running `Command { std: "docker" "start" "-a" "cb38347f83a9c4317842c513174cd2818c65e6332c337e42ac013783ae1a79b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb38347f83a9c4317842c513174cd2818c65e6332c337e42ac013783ae1a79b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb38347f83a9c4317842c513174cd2818c65e6332c337e42ac013783ae1a79b9", kill_on_drop: false }`
[INFO] [stdout] cb38347f83a9c4317842c513174cd2818c65e6332c337e42ac013783ae1a79b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c08e43cc115a4fbc21a912d6718fb7c5423f71e9d400f0c36a777d4057de9ed
[INFO] running `Command { std: "docker" "start" "-a" "7c08e43cc115a4fbc21a912d6718fb7c5423f71e9d400f0c36a777d4057de9ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking vst v0.2.1 (https://github.com/rustaudio/vst-rs#02847c73)
[INFO] [stderr]     Checking sammons-vst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `decay`
[INFO] [stdout]  --> src/my_reverb.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     decay: f32
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `params`
[INFO] [stdout]   --> src/my_reverb.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     params: Arc<MyReverbParams>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `decay`
[INFO] [stdout]  --> src/my_reverb.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     decay: f32
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `params`
[INFO] [stdout]   --> src/my_reverb.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     params: Arc<MyReverbParams>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "7c08e43cc115a4fbc21a912d6718fb7c5423f71e9d400f0c36a777d4057de9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c08e43cc115a4fbc21a912d6718fb7c5423f71e9d400f0c36a777d4057de9ed", kill_on_drop: false }`
[INFO] [stdout] 7c08e43cc115a4fbc21a912d6718fb7c5423f71e9d400f0c36a777d4057de9ed