[INFO] fetching crate impulse_response 0.4.0...
[INFO] checking impulse_response-0.4.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate impulse_response 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate impulse_response 0.4.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate impulse_response 0.4.0
[INFO] finished tweaking crates.io crate impulse_response 0.4.0
[INFO] tweaked toml for crates.io crate impulse_response 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate impulse_response 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a5c59336c97bc0eb68d17b73b98f5cd7e4f6df177761b3acfddcb8c8becf71e
[INFO] running `Command { std: "docker" "start" "-a" "5a5c59336c97bc0eb68d17b73b98f5cd7e4f6df177761b3acfddcb8c8becf71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a5c59336c97bc0eb68d17b73b98f5cd7e4f6df177761b3acfddcb8c8becf71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5c59336c97bc0eb68d17b73b98f5cd7e4f6df177761b3acfddcb8c8becf71e", kill_on_drop: false }`
[INFO] [stdout] 5a5c59336c97bc0eb68d17b73b98f5cd7e4f6df177761b3acfddcb8c8becf71e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 482901de08381e9706a237830003583ac39e308458573f13dfff44858cdc1c88
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "482901de08381e9706a237830003583ac39e308458573f13dfff44858cdc1c88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking impulse_response v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stdout] warning: constant is never used: `PIPE_LENGTH`
[INFO] [stdout]  --> tests/diffusion.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const PIPE_LENGTH: f64 = 1000.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PIPE_DIAMETER`
[INFO] [stdout]  --> tests/diffusion.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const PIPE_DIAMETER: f64 = 1.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DIFFUSIVITY`
[INFO] [stdout]  --> tests/diffusion.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const DIFFUSIVITY: f64 = 1.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GRID_SPACING`
[INFO] [stdout]   --> tests/diffusion.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const GRID_SPACING: f64 = 1.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VORONOI_POINTS`
[INFO] [stdout]   --> tests/diffusion.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const VORONOI_POINTS: usize = 10_000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TIME_STEP`
[INFO] [stdout]   --> tests/diffusion.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const TIME_STEP: f64 = 1e-3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACCURACY`
[INFO] [stdout]   --> tests/diffusion.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const ACCURACY: f64 = 1e-9;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pipe`
[INFO] [stdout]   --> tests/diffusion.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Pipe {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> tests/diffusion.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grid_init`
[INFO] [stdout]   --> tests/diffusion.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn grid_init(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `voronoi_init`
[INFO] [stdout]   --> tests/diffusion.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn voronoi_init(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply_input`
[INFO] [stdout]    --> tests/diffusion.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn apply_input(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance`
[INFO] [stdout]    --> tests/diffusion.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn advance(&mut self) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `diffusion`
[INFO] [stdout]    --> tests/diffusion.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn diffusion() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> examples/hodgkin_huxley.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |         pub fn new() -> SinWave {
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.90s
[INFO] running `Command { std: "docker" "inspect" "482901de08381e9706a237830003583ac39e308458573f13dfff44858cdc1c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482901de08381e9706a237830003583ac39e308458573f13dfff44858cdc1c88", kill_on_drop: false }`
[INFO] [stdout] 482901de08381e9706a237830003583ac39e308458573f13dfff44858cdc1c88