[INFO] cloning repository https://github.com/willbeason/chaos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willbeason/chaos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillbeason%2Fchaos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillbeason%2Fchaos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a6e04016fdda47fed550a05a8e54b4277edd1c9
[INFO] checking willbeason/chaos against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillbeason%2Fchaos" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/willbeason/chaos on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/willbeason/chaos
[INFO] finished tweaking git repo https://github.com/willbeason/chaos
[INFO] tweaked toml for git repo https://github.com/willbeason/chaos written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/willbeason/chaos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68f9c4fae7010a93ec6df6c70fca3ff94377646d3b2a32cba00bd92f24a17381
[INFO] running `Command { std: "docker" "start" "-a" "68f9c4fae7010a93ec6df6c70fca3ff94377646d3b2a32cba00bd92f24a17381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68f9c4fae7010a93ec6df6c70fca3ff94377646d3b2a32cba00bd92f24a17381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f9c4fae7010a93ec6df6c70fca3ff94377646d3b2a32cba00bd92f24a17381", kill_on_drop: false }`
[INFO] [stdout] 68f9c4fae7010a93ec6df6c70fca3ff94377646d3b2a32cba00bd92f24a17381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e3dfeb4860efaeff267100978811b1fda7ae208b478e15a6d1540c32009a6e7
[INFO] running `Command { std: "docker" "start" "-a" "2e3dfeb4860efaeff267100978811b1fda7ae208b478e15a6d1540c32009a6e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking chaos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `min_x` is never read
[INFO] [stdout]   --> src/models/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut min_x = f64::INFINITY;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_x` is never read
[INFO] [stdout]   --> src/models/mod.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut max_x = f64::NEG_INFINITY;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_y` is never read
[INFO] [stdout]   --> src/models/mod.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut min_y = f64::INFINITY;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_y` is never read
[INFO] [stdout]   --> src/models/mod.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut max_y = f64::NEG_INFINITY;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `idx` is assigned to, but never used
[INFO] [stdout]   --> src/models/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut idx = 0;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_idx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `forward2`
[INFO] [stdout]   --> src/models/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn forward2(&self, x0: f64, v0: f64, t0: f64, h: f64) -> (f64, f64) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_x` is never read
[INFO] [stdout]   --> src/models/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut min_x = f64::INFINITY;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_x` is never read
[INFO] [stdout]   --> src/models/mod.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut max_x = f64::NEG_INFINITY;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_y` is never read
[INFO] [stdout]   --> src/models/mod.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut min_y = f64::INFINITY;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_y` is never read
[INFO] [stdout]   --> src/models/mod.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut max_y = f64::NEG_INFINITY;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `idx` is assigned to, but never used
[INFO] [stdout]   --> src/models/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut idx = 0;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_idx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `forward2`
[INFO] [stdout]   --> src/models/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn forward2(&self, x0: f64, v0: f64, t0: f64, h: f64) -> (f64, f64) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.46s
[INFO] running `Command { std: "docker" "inspect" "2e3dfeb4860efaeff267100978811b1fda7ae208b478e15a6d1540c32009a6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3dfeb4860efaeff267100978811b1fda7ae208b478e15a6d1540c32009a6e7", kill_on_drop: false }`
[INFO] [stdout] 2e3dfeb4860efaeff267100978811b1fda7ae208b478e15a6d1540c32009a6e7