[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] building Sammons/sammons-vst against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSammons%2Fsammons-vst" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sammons/sammons-vst on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rustaudio/vst-rs`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c955d3774776c7a19eb340f5274a80dd8f2e7946283a267bc04a805929f4403c
[INFO] running `Command { std: "docker" "start" "-a" "c955d3774776c7a19eb340f5274a80dd8f2e7946283a267bc04a805929f4403c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c955d3774776c7a19eb340f5274a80dd8f2e7946283a267bc04a805929f4403c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c955d3774776c7a19eb340f5274a80dd8f2e7946283a267bc04a805929f4403c", kill_on_drop: false }`
[INFO] [stdout] c955d3774776c7a19eb340f5274a80dd8f2e7946283a267bc04a805929f4403c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e19cf6ab97b6da6bde5742cac1c437707b5e2a2a9519ae24776bd101b040b57
[INFO] running `Command { std: "docker" "start" "-a" "0e19cf6ab97b6da6bde5742cac1c437707b5e2a2a9519ae24776bd101b040b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling vst v0.2.1 (https://github.com/rustaudio/vst-rs#02847c73)
[INFO] [stderr]    Compiling sammons-vst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `decay` is never read
[INFO] [stdout]  --> src/my_reverb.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MyReverbParams {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 6 |     // sample_rate: i32,
[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 `params` is never read
[INFO] [stdout]   --> src/my_reverb.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct MyReverb {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 34 |     params: Arc<MyReverbParams>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "0e19cf6ab97b6da6bde5742cac1c437707b5e2a2a9519ae24776bd101b040b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e19cf6ab97b6da6bde5742cac1c437707b5e2a2a9519ae24776bd101b040b57", kill_on_drop: false }`
[INFO] [stdout] 0e19cf6ab97b6da6bde5742cac1c437707b5e2a2a9519ae24776bd101b040b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4a2a04b95d6c1261da6aeb856422f07a85d28a5ebce60773abc7282a4875cfd
[INFO] running `Command { std: "docker" "start" "-a" "f4a2a04b95d6c1261da6aeb856422f07a85d28a5ebce60773abc7282a4875cfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling sammons-vst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `decay` is never read
[INFO] [stdout]  --> src/my_reverb.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MyReverbParams {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 6 |     // sample_rate: i32,
[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 `params` is never read
[INFO] [stdout]   --> src/my_reverb.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct MyReverb {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 34 |     params: Arc<MyReverbParams>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "f4a2a04b95d6c1261da6aeb856422f07a85d28a5ebce60773abc7282a4875cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a2a04b95d6c1261da6aeb856422f07a85d28a5ebce60773abc7282a4875cfd", kill_on_drop: false }`
[INFO] [stdout] f4a2a04b95d6c1261da6aeb856422f07a85d28a5ebce60773abc7282a4875cfd