[INFO] cloning repository https://github.com/y3rbiadit0/rust_sdl2_playbook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/y3rbiadit0/rust_sdl2_playbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy3rbiadit0%2Frust_sdl2_playbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy3rbiadit0%2Frust_sdl2_playbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc3282852df71c0e84f5dfb5b61b22421422afa5
[INFO] building y3rbiadit0/rust_sdl2_playbook 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%2Fy3rbiadit0%2Frust_sdl2_playbook" "/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/y3rbiadit0/rust_sdl2_playbook 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/y3rbiadit0/rust_sdl2_playbook
[INFO] finished tweaking git repo https://github.com/y3rbiadit0/rust_sdl2_playbook
[INFO] tweaked toml for git repo https://github.com/y3rbiadit0/rust_sdl2_playbook written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/y3rbiadit0/rust_sdl2_playbook 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] 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] 04ea9d3977be099dcab40be8872423cdcf0d513552b856b8bf1a1cfc13eb2b17
[INFO] running `Command { std: "docker" "start" "-a" "04ea9d3977be099dcab40be8872423cdcf0d513552b856b8bf1a1cfc13eb2b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04ea9d3977be099dcab40be8872423cdcf0d513552b856b8bf1a1cfc13eb2b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ea9d3977be099dcab40be8872423cdcf0d513552b856b8bf1a1cfc13eb2b17", kill_on_drop: false }`
[INFO] [stdout] 04ea9d3977be099dcab40be8872423cdcf0d513552b856b8bf1a1cfc13eb2b17
[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] 319923d42faff7d33b894abae34eddd50b5f82520d8cf58fc1ac5b05ac46694e
[INFO] running `Command { std: "docker" "start" "-a" "319923d42faff7d33b894abae34eddd50b5f82520d8cf58fc1ac5b05ac46694e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sdl2_playbook v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/serpinski_mail_01/serpinski_mail_chaos_theory.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut points = [
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WIDTH` is never used
[INFO] [stdout]  --> src/serpinski_mail_01/serpinski_mail_recursive.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const WIDTH: u32 = 800;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HEIGHT` is never used
[INFO] [stdout]  --> src/serpinski_mail_01/serpinski_mail_recursive.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const HEIGHT: u32 = 600;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serpinski_mail_recursive` is never used
[INFO] [stdout]   --> src/serpinski_mail_01/serpinski_mail_recursive.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn serpinski_mail_recursive(canvas: &mut WindowCanvas) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_triangle` is never used
[INFO] [stdout]   --> src/serpinski_mail_01/serpinski_mail_recursive.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn draw_triangle(canvas: &mut Canvas<Window>, depth: u32, top: Point, left: Point, right: Point) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "319923d42faff7d33b894abae34eddd50b5f82520d8cf58fc1ac5b05ac46694e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319923d42faff7d33b894abae34eddd50b5f82520d8cf58fc1ac5b05ac46694e", kill_on_drop: false }`
[INFO] [stdout] 319923d42faff7d33b894abae34eddd50b5f82520d8cf58fc1ac5b05ac46694e
[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] 24bff0bec9aa1d96cdb3c7681da082414cd7e2a172fa17c1fd5eae352b847daa
[INFO] running `Command { std: "docker" "start" "-a" "24bff0bec9aa1d96cdb3c7681da082414cd7e2a172fa17c1fd5eae352b847daa", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2_playbook v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/serpinski_mail_01/serpinski_mail_chaos_theory.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut points = [
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WIDTH` is never used
[INFO] [stdout]  --> src/serpinski_mail_01/serpinski_mail_recursive.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const WIDTH: u32 = 800;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HEIGHT` is never used
[INFO] [stdout]  --> src/serpinski_mail_01/serpinski_mail_recursive.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const HEIGHT: u32 = 600;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serpinski_mail_recursive` is never used
[INFO] [stdout]   --> src/serpinski_mail_01/serpinski_mail_recursive.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn serpinski_mail_recursive(canvas: &mut WindowCanvas) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_triangle` is never used
[INFO] [stdout]   --> src/serpinski_mail_01/serpinski_mail_recursive.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn draw_triangle(canvas: &mut Canvas<Window>, depth: u32, top: Point, left: Point, right: Point) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "24bff0bec9aa1d96cdb3c7681da082414cd7e2a172fa17c1fd5eae352b847daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24bff0bec9aa1d96cdb3c7681da082414cd7e2a172fa17c1fd5eae352b847daa", kill_on_drop: false }`
[INFO] [stdout] 24bff0bec9aa1d96cdb3c7681da082414cd7e2a172fa17c1fd5eae352b847daa