[INFO] cloning repository https://github.com/dvincelli/the-naturs-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dvincelli/the-naturs-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvincelli%2Fthe-naturs-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvincelli%2Fthe-naturs-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fcdc59a1ae9808a3bc3aa0cce8473ca632a3721
[INFO] checking dvincelli/the-naturs-of-code against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvincelli%2Fthe-naturs-of-code" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvincelli/the-naturs-of-code on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dvincelli/the-naturs-of-code
[INFO] finished tweaking git repo https://github.com/dvincelli/the-naturs-of-code
[INFO] tweaked toml for git repo https://github.com/dvincelli/the-naturs-of-code written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dvincelli/the-naturs-of-code 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0d88e8dacbac074b77dadaad2b33aaa9bdcce37b2ac806aa1841ea94db0d97b
[INFO] running `Command { std: "docker" "start" "-a" "e0d88e8dacbac074b77dadaad2b33aaa9bdcce37b2ac806aa1841ea94db0d97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0d88e8dacbac074b77dadaad2b33aaa9bdcce37b2ac806aa1841ea94db0d97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d88e8dacbac074b77dadaad2b33aaa9bdcce37b2ac806aa1841ea94db0d97b", kill_on_drop: false }`
[INFO] [stdout] e0d88e8dacbac074b77dadaad2b33aaa9bdcce37b2ac806aa1841ea94db0d97b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf2e82ec3ffd0ad6196494d0a9ddaf3c5ba519007fd81f55fecc9872476c4c90
[INFO] running `Command { std: "docker" "start" "-a" "bf2e82ec3ffd0ad6196494d0a9ddaf3c5ba519007fd81f55fecc9872476c4c90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking the-naturs-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/attractor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/attractor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/liquid.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         canvas.fill_rect(rect);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = canvas.fill_rect(rect);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dragMagnitude` should have a snake case name
[INFO] [stdout]   --> src/liquid.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let dragMagnitude = self.drag_coef * speed.powi(2);
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `drag_magnitude`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/liquid.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         canvas.fill_rect(rect);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = canvas.fill_rect(rect);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dragMagnitude` should have a snake case name
[INFO] [stdout]   --> src/liquid.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let dragMagnitude = self.drag_coef * speed.powi(2);
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `drag_magnitude`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/friction/main.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/friction/main.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/attractor/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for i in 0..movers.capacity() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/attractor/main.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/bin/attractor/main.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let (w, h) = self.size();
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/attractor/main.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let (w, h) = self.size();
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/attractor/main.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/attractor/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for i in 0..movers.capacity() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/attractor/main.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/bin/attractor/main.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let (w, h) = self.size();
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/attractor/main.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let (w, h) = self.size();
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/attractor/main.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/friction/main.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/friction/main.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/fluid-resistance/main.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/fluid-resistance/main.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/fluid-resistance/main.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/fluid-resistance/main.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `Command { std: "docker" "inspect" "bf2e82ec3ffd0ad6196494d0a9ddaf3c5ba519007fd81f55fecc9872476c4c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2e82ec3ffd0ad6196494d0a9ddaf3c5ba519007fd81f55fecc9872476c4c90", kill_on_drop: false }`
[INFO] [stdout] bf2e82ec3ffd0ad6196494d0a9ddaf3c5ba519007fd81f55fecc9872476c4c90
[INFO] checking dvincelli/the-naturs-of-code against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvincelli%2Fthe-naturs-of-code" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvincelli/the-naturs-of-code on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dvincelli/the-naturs-of-code
[INFO] finished tweaking git repo https://github.com/dvincelli/the-naturs-of-code
[INFO] tweaked toml for git repo https://github.com/dvincelli/the-naturs-of-code written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dvincelli/the-naturs-of-code 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe14b4f170fd6cdb2b6049bc781e6577a29e47613910c5a195569b1931decf3a
[INFO] running `Command { std: "docker" "start" "-a" "fe14b4f170fd6cdb2b6049bc781e6577a29e47613910c5a195569b1931decf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe14b4f170fd6cdb2b6049bc781e6577a29e47613910c5a195569b1931decf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe14b4f170fd6cdb2b6049bc781e6577a29e47613910c5a195569b1931decf3a", kill_on_drop: false }`
[INFO] [stdout] fe14b4f170fd6cdb2b6049bc781e6577a29e47613910c5a195569b1931decf3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8547213eab53736dcb33bc17d023f9a2cf03a486de7e308e68dbd90956be12ad
[INFO] running `Command { std: "docker" "start" "-a" "8547213eab53736dcb33bc17d023f9a2cf03a486de7e308e68dbd90956be12ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking the-naturs-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/attractor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/attractor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/liquid.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         canvas.fill_rect(rect);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = canvas.fill_rect(rect);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dragMagnitude` should have a snake case name
[INFO] [stdout]   --> src/liquid.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let dragMagnitude = self.drag_coef * speed.powi(2);
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `drag_magnitude`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/liquid.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         canvas.fill_rect(rect);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = canvas.fill_rect(rect);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dragMagnitude` should have a snake case name
[INFO] [stdout]   --> src/liquid.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let dragMagnitude = self.drag_coef * speed.powi(2);
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `drag_magnitude`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/attractor/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for i in 0..movers.capacity() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/attractor/main.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/bin/attractor/main.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let (w, h) = self.size();
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/attractor/main.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let (w, h) = self.size();
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/attractor/main.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/fluid-resistance/main.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/friction/main.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/friction/main.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/fluid-resistance/main.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/attractor/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for i in 0..movers.capacity() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/attractor/main.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/bin/attractor/main.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let (w, h) = self.size();
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/friction/main.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/attractor/main.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let (w, h) = self.size();
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/attractor/main.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/friction/main.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/bin/fluid-resistance/main.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn setup(&self, canvas: &mut Canvas<sdl2::video::Window>) -> () {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/bin/fluid-resistance/main.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn update(&mut self, delta_time: u32) -> () {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "8547213eab53736dcb33bc17d023f9a2cf03a486de7e308e68dbd90956be12ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8547213eab53736dcb33bc17d023f9a2cf03a486de7e308e68dbd90956be12ad", kill_on_drop: false }`
[INFO] [stdout] 8547213eab53736dcb33bc17d023f9a2cf03a486de7e308e68dbd90956be12ad