[INFO] cloning repository https://github.com/beyarkay/attractors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beyarkay/attractors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeyarkay%2Fattractors", kill_on_drop: false }`
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[INFO] [stdout] 26cf0d1c7f92efdb9792baf1c8489943ca0b6d15
[INFO] testing beyarkay/attractors against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeyarkay%2Fattractors" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/beyarkay/attractors
[INFO] finished tweaking git repo https://github.com/beyarkay/attractors
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[INFO] validating manifest of git repo https://github.com/beyarkay/attractors on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
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[INFO] crate git repo https://github.com/beyarkay/attractors 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling attractors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sleep_ms`
[INFO] [stdout]  --> src/main.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::{sleep, sleep_ms};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::{sleep, sleep_ms};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `avg_density`
[INFO] [stdout]    --> src/main.rs:375:13
[INFO] [stdout]     |
[INFO] [stdout] 375 |         let avg_density = densities.iter().sum::<f64>() / densities.len() as f64;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_avg_density`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IsoPaper` is never used
[INFO] [stdout]   --> src/main.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum IsoPaper {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A1_600_DPI` is never used
[INFO] [stdout]   --> src/main.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const A1_600_DPI: (usize, usize) = (14043, 19866);
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REELS_WIDTH` is never used
[INFO] [stdout]   --> src/main.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const REELS_WIDTH: usize = 506;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REELS_HEIGHT` is never used
[INFO] [stdout]   --> src/main.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const REELS_HEIGHT: usize = 900;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAG_WIDTH` is never used
[INFO] [stdout]   --> src/main.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const DIAG_WIDTH: usize = 300;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAG_HEIGHT` is never used
[INFO] [stdout]   --> src/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const DIAG_HEIGHT: usize = 100;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_WIDTH` is never used
[INFO] [stdout]   --> src/main.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const SCREEN_WIDTH: usize = 900;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_HEIGHT` is never used
[INFO] [stdout]   --> src/main.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const SCREEN_HEIGHT: usize = 900;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIRST_DRAW_SIZE` is never used
[INFO] [stdout]   --> src/main.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | const FIRST_DRAW_SIZE: usize = 9_000_000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `NAME`, `DIMENSIONALITY`, `NUM_PARAMETERS`, `get_densities`, and `to_file` are never used
[INFO] [stdout]   --> src/attractors.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Attractor {
[INFO] [stdout]    |           --------- associated items in this trait
[INFO] [stdout] 21 |     /// A name for the attractor matching [a-zA-Z]+, used when saving a sequence of points to file
[INFO] [stdout] 22 |     const NAME: &'static str;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 23 |     /// The number of dimensions the attractor lives in. Almost always 2 or 3.
[INFO] [stdout] 24 |     const DIMENSIONALITY: u8;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     /// The number of parameters required by the attractor.
[INFO] [stdout] 26 |     const NUM_PARAMETERS: u8;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn get_densities(&mut self, width: usize, height: usize) -> Vec<f64>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn to_file(&mut self, directory: String);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DeJongAttractor` is never constructed
[INFO] [stdout]    --> src/attractors.rs:303:12
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct DeJongAttractor {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.89s
[INFO] running `Command { std: "docker" "inspect" "cf893cb93c4444d5143bf27ed78e3f17a2422a0d9647da6abea1c2ec345c3826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf893cb93c4444d5143bf27ed78e3f17a2422a0d9647da6abea1c2ec345c3826", kill_on_drop: false }`
[INFO] [stdout] cf893cb93c4444d5143bf27ed78e3f17a2422a0d9647da6abea1c2ec345c3826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61070ac46d2acdbcbc74d0193ff23ee239338d3e61f65c3ee90c2a873b079c37
[INFO] running `Command { std: "docker" "start" "-a" "61070ac46d2acdbcbc74d0193ff23ee239338d3e61f65c3ee90c2a873b079c37", kill_on_drop: false }`
[INFO] [stderr]    Compiling attractors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sleep_ms`
[INFO] [stdout]  --> src/main.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::{sleep, sleep_ms};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::{sleep, sleep_ms};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `avg_density`
[INFO] [stdout]    --> src/main.rs:375:13
[INFO] [stdout]     |
[INFO] [stdout] 375 |         let avg_density = densities.iter().sum::<f64>() / densities.len() as f64;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_avg_density`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IsoPaper` is never used
[INFO] [stdout]   --> src/main.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum IsoPaper {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A1_600_DPI` is never used
[INFO] [stdout]   --> src/main.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const A1_600_DPI: (usize, usize) = (14043, 19866);
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REELS_WIDTH` is never used
[INFO] [stdout]   --> src/main.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const REELS_WIDTH: usize = 506;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REELS_HEIGHT` is never used
[INFO] [stdout]   --> src/main.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const REELS_HEIGHT: usize = 900;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAG_WIDTH` is never used
[INFO] [stdout]   --> src/main.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const DIAG_WIDTH: usize = 300;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAG_HEIGHT` is never used
[INFO] [stdout]   --> src/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const DIAG_HEIGHT: usize = 100;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_WIDTH` is never used
[INFO] [stdout]   --> src/main.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const SCREEN_WIDTH: usize = 900;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_HEIGHT` is never used
[INFO] [stdout]   --> src/main.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const SCREEN_HEIGHT: usize = 900;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIRST_DRAW_SIZE` is never used
[INFO] [stdout]   --> src/main.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | const FIRST_DRAW_SIZE: usize = 9_000_000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_densities` is never used
[INFO] [stdout]   --> src/attractors.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Attractor {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn get_densities(&mut self, width: usize, height: usize) -> Vec<f64>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DeJongAttractor` is never constructed
[INFO] [stdout]    --> src/attractors.rs:303:12
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct DeJongAttractor {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "61070ac46d2acdbcbc74d0193ff23ee239338d3e61f65c3ee90c2a873b079c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61070ac46d2acdbcbc74d0193ff23ee239338d3e61f65c3ee90c2a873b079c37", kill_on_drop: false }`
[INFO] [stdout] 61070ac46d2acdbcbc74d0193ff23ee239338d3e61f65c3ee90c2a873b079c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5ab12ca47115d710001b9d748282b46841706109eee0cf42b7b0d3cbb1223c3
[INFO] running `Command { std: "docker" "start" "-a" "c5ab12ca47115d710001b9d748282b46841706109eee0cf42b7b0d3cbb1223c3", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `sleep_ms`
[INFO] [stderr]  --> src/main.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread::{sleep, sleep_ms};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread::{sleep, sleep_ms};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `avg_density`
[INFO] [stderr]    --> src/main.rs:375:13
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let avg_density = densities.iter().sum::<f64>() / densities.len() as f64;
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_avg_density`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `IsoPaper` is never used
[INFO] [stderr]   --> src/main.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum IsoPaper {
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `A1_600_DPI` is never used
[INFO] [stderr]   --> src/main.rs:26:7
[INFO] [stderr]    |
[INFO] [stderr] 26 | const A1_600_DPI: (usize, usize) = (14043, 19866);
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `REELS_WIDTH` is never used
[INFO] [stderr]   --> src/main.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 | const REELS_WIDTH: usize = 506;
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `REELS_HEIGHT` is never used
[INFO] [stderr]   --> src/main.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | const REELS_HEIGHT: usize = 900;
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DIAG_WIDTH` is never used
[INFO] [stderr]   --> src/main.rs:36:7
[INFO] [stderr]    |
[INFO] [stderr] 36 | const DIAG_WIDTH: usize = 300;
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DIAG_HEIGHT` is never used
[INFO] [stderr]   --> src/main.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 | const DIAG_HEIGHT: usize = 100;
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCREEN_WIDTH` is never used
[INFO] [stderr]   --> src/main.rs:38:7
[INFO] [stderr]    |
[INFO] [stderr] 38 | const SCREEN_WIDTH: usize = 900;
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCREEN_HEIGHT` is never used
[INFO] [stderr]   --> src/main.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 | const SCREEN_HEIGHT: usize = 900;
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FIRST_DRAW_SIZE` is never used
[INFO] [stderr]   --> src/main.rs:42:7
[INFO] [stderr]    |
[INFO] [stderr] 42 | const FIRST_DRAW_SIZE: usize = 9_000_000;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_densities` is never used
[INFO] [stderr]   --> src/attractors.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub trait Attractor {
[INFO] [stderr]    |           --------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 42 |     fn get_densities(&mut self, width: usize, height: usize) -> Vec<f64>;
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DeJongAttractor` is never constructed
[INFO] [stderr]    --> src/attractors.rs:303:12
[INFO] [stderr]     |
[INFO] [stderr] 303 | pub struct DeJongAttractor {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `attractors` (bin "attractors" test) generated 14 warnings (run `cargo fix --bin "attractors" -p attractors --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/attractors-b3fdf525943350cb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test attractors::tests::bench_clifford_iterate_10k ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin attractors`
[INFO] [stdout] test attractors::tests::bench_clifford_write_to_file_10k ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- attractors::tests::bench_clifford_write_to_file_10k stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'attractors::tests::bench_clifford_write_to_file_10k' (25) panicked at src/attractors.rs:258:56:
[INFO] [stdout] Failed to create file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ae3c632a2e2 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ae3c632a2e2 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ae3c632a2e2 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ae3c632a2e2 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ae3c633f1ea - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ae3c633f1ea - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x5ae3c632f0e6 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ae3c632f0e6 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5ae3c63089cf - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ae3c63089cf - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ae3c6322519 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ae3c62bd10e - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5ae3c62bd10e - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ae3c63226d2 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5ae3c63226d2 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ae3c6308a88 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ae3c62fdc59 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ae3c63098dd - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ae3c633f8bc - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ae3c633f632 - core[27de1724e4349be2]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5ae3c6273a8e - <core[27de1724e4349be2]::result::Result<std[3b51380354919863]::fs::File, std[3b51380354919863]::io::error::Error>>::expect
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x5ae3c62753db - <attractors[e86a690c6a78291e]::attractors::CliffordAttractor as attractors[e86a690c6a78291e]::attractors::Attractor>::to_file
[INFO] [stdout]                                at /opt/rustwide/workdir/src/attractors.rs:258:56
[INFO] [stdout]   22:     0x5ae3c627359c - attractors[e86a690c6a78291e]::attractors::tests::bench_clifford_write_to_file_10k::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/attractors.rs:493:28
[INFO] [stdout]   23:     0x5ae3c6271eb4 - test[182b2e79ecd7bbd9]::bench::ns_iter_inner::<(), attractors[e86a690c6a78291e]::attractors::tests::bench_clifford_write_to_file_10k::{closure#0}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/bench.rs:118:19
[INFO] [stdout]   24:     0x5ae3c6271a1d - <test[182b2e79ecd7bbd9]::bench::Bencher>::iter::<(), attractors[e86a690c6a78291e]::attractors::tests::bench_clifford_write_to_file_10k::{closure#0}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/bench.rs:43:13
[INFO] [stdout]   25:     0x5ae3c62746cd - attractors[e86a690c6a78291e]::attractors::tests::bench_clifford_write_to_file_10k
[INFO] [stdout]                                at /opt/rustwide/workdir/src/attractors.rs:493:11
[INFO] [stdout]   26:     0x5ae3c6273538 - attractors[e86a690c6a78291e]::attractors::tests::bench_clifford_write_to_file_10k::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/attractors.rs:474:57
[INFO] [stdout]   27:     0x5ae3c62763af - <attractors[e86a690c6a78291e]::attractors::tests::bench_clifford_write_to_file_10k::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<(&mut test[182b2e79ecd7bbd9]::bench::Bencher,)>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5ae3c62b1551 - <test[182b2e79ecd7bbd9]::types::RunnableTest>::run::{closure#0}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/types.rs:148:76
[INFO] [stdout]   29:     0x5ae3c62b1551 - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, <test[182b2e79ecd7bbd9]::types::RunnableTest>::run::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5ae3c62cc2b9 - <test[182b2e79ecd7bbd9]::types::RunnableTest>::run::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/types.rs:148:44
[INFO] [stdout]   31:     0x5ae3c62cc2b9 - <test[182b2e79ecd7bbd9]::bench::Bencher>::bench::<<test[182b2e79ecd7bbd9]::types::RunnableTest>::run::{closure#0}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/bench.rs:54:22
[INFO] [stdout]   32:     0x5ae3c62cc2b9 - test[182b2e79ecd7bbd9]::bench::run_once::<<test[182b2e79ecd7bbd9]::types::RunnableTest>::run::{closure#0}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/bench.rs:243:8
[INFO] [stdout]   33:     0x5ae3c62cc2b9 - <test[182b2e79ecd7bbd9]::types::RunnableTest>::run
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/types.rs:148:17
[INFO] [stdout]   34:     0x5ae3c62bdd1a - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   35:     0x5ae3c62bdd1a - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5ae3c62bdd1a - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5ae3c62bdd1a - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5ae3c62bdd1a - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5ae3c62bdd1a - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   40:     0x5ae3c62bdd1a - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   41:     0x5ae3c62b92c4 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   42:     0x5ae3c62b92c4 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   43:     0x5ae3c62c0812 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   44:     0x5ae3c62c0812 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   45:     0x5ae3c62c0812 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x5ae3c62c0812 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x5ae3c62c0812 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x5ae3c62c0812 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   49:     0x5ae3c62c0812 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   50:     0x5ae3c6329b8f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   51:     0x5ae3c6329b8f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   52:     0x73beb1a8eaa4 - <unknown>
[INFO] [stdout]   53:     0x73beb1b1ba64 - clone
[INFO] [stdout]   54:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     attractors::tests::bench_clifford_write_to_file_10k
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5ab12ca47115d710001b9d748282b46841706109eee0cf42b7b0d3cbb1223c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ab12ca47115d710001b9d748282b46841706109eee0cf42b7b0d3cbb1223c3", kill_on_drop: false }`
[INFO] [stdout] c5ab12ca47115d710001b9d748282b46841706109eee0cf42b7b0d3cbb1223c3
