[INFO] cloning repository https://github.com/lsaa/wraith_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lsaa/wraith_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsaa%2Fwraith_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsaa%2Fwraith_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 551462ee1dd87bfadc7be8848e2b3e35d0beb6f7
[INFO] checking lsaa/wraith_engine against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsaa%2Fwraith_engine" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lsaa/wraith_engine 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/lsaa/wraith_engine
[INFO] finished tweaking git repo https://github.com/lsaa/wraith_engine
[INFO] tweaked toml for git repo https://github.com/lsaa/wraith_engine written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lsaa/wraith_engine 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded emscripten_main_loop v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 55ccbd61bf9f8a479623c8b58f138c26ea332f771158f84b6cba9f93413fc06f
[INFO] running `Command { std: "docker" "start" "-a" "55ccbd61bf9f8a479623c8b58f138c26ea332f771158f84b6cba9f93413fc06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55ccbd61bf9f8a479623c8b58f138c26ea332f771158f84b6cba9f93413fc06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ccbd61bf9f8a479623c8b58f138c26ea332f771158f84b6cba9f93413fc06f", kill_on_drop: false }`
[INFO] [stdout] 55ccbd61bf9f8a479623c8b58f138c26ea332f771158f84b6cba9f93413fc06f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d321457e68cee5b7c7e9d37693a4ef879c642d084d62c3ef78b9c61c3bd4378e
[INFO] running `Command { std: "docker" "start" "-a" "d321457e68cee5b7c7e9d37693a4ef879c642d084d62c3ef78b9c61c3bd4378e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking emscripten_main_loop v0.1.1
[INFO] [stderr]     Checking rectangle-pack v0.4.2
[INFO] [stderr]     Checking wraith_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking wraith_sdl2 v0.1.0 (/opt/rustwide/workdir/crates/wraith_sdl2)
[INFO] [stdout] warning: unused import: `sdl2::rect::Rect`
[INFO] [stdout]  --> crates/wraith_sdl2/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sdl2::rect::Rect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::rect::Rect`
[INFO] [stdout]  --> crates/wraith_sdl2/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sdl2::rect::Rect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "d321457e68cee5b7c7e9d37693a4ef879c642d084d62c3ef78b9c61c3bd4378e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d321457e68cee5b7c7e9d37693a4ef879c642d084d62c3ef78b9c61c3bd4378e", kill_on_drop: false }`
[INFO] [stdout] d321457e68cee5b7c7e9d37693a4ef879c642d084d62c3ef78b9c61c3bd4378e
[INFO] checking lsaa/wraith_engine against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsaa%2Fwraith_engine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lsaa/wraith_engine on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/lsaa/wraith_engine
[INFO] finished tweaking git repo https://github.com/lsaa/wraith_engine
[INFO] tweaked toml for git repo https://github.com/lsaa/wraith_engine written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lsaa/wraith_engine 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09a26d84b5a482d95ec275bfa9e35caefe4c61486be34959068f708d8822810e
[INFO] running `Command { std: "docker" "start" "-a" "09a26d84b5a482d95ec275bfa9e35caefe4c61486be34959068f708d8822810e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09a26d84b5a482d95ec275bfa9e35caefe4c61486be34959068f708d8822810e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a26d84b5a482d95ec275bfa9e35caefe4c61486be34959068f708d8822810e", kill_on_drop: false }`
[INFO] [stdout] 09a26d84b5a482d95ec275bfa9e35caefe4c61486be34959068f708d8822810e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d2a77d3e10fcd4ad2d5452809369fe85c6760c46c2d2f7369cb4965b785eee4
[INFO] running `Command { std: "docker" "start" "-a" "5d2a77d3e10fcd4ad2d5452809369fe85c6760c46c2d2f7369cb4965b785eee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking rectangle-pack v0.4.2
[INFO] [stderr]     Checking emscripten_main_loop v0.1.1
[INFO] [stderr]     Checking wraith_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking wraith_sdl2 v0.1.0 (/opt/rustwide/workdir/crates/wraith_sdl2)
[INFO] [stdout] warning: unused import: `sdl2::rect::Rect`
[INFO] [stdout]  --> crates/wraith_sdl2/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sdl2::rect::Rect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::rect::Rect`
[INFO] [stdout]  --> crates/wraith_sdl2/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sdl2::rect::Rect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "5d2a77d3e10fcd4ad2d5452809369fe85c6760c46c2d2f7369cb4965b785eee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2a77d3e10fcd4ad2d5452809369fe85c6760c46c2d2f7369cb4965b785eee4", kill_on_drop: false }`
[INFO] [stdout] 5d2a77d3e10fcd4ad2d5452809369fe85c6760c46c2d2f7369cb4965b785eee4