[INFO] cloning repository https://github.com/asungy/entity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asungy/entity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasungy%2Fentity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasungy%2Fentity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 004234295a5ccdc314a1cba19b18d0a31a564b58
[INFO] checking asungy/entity against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasungy%2Fentity" "/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/asungy/entity on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asungy/entity
[INFO] finished tweaking git repo https://github.com/asungy/entity
[INFO] tweaked toml for git repo https://github.com/asungy/entity written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/asungy/entity 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded zune-inflate v0.2.54
[INFO] [stderr]   Downloaded lebe v0.5.2
[INFO] [stderr]   Downloaded qoi v0.4.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.16
[INFO] [stderr]   Downloaded flume v0.11.0
[INFO] [stderr]   Downloaded exr v1.71.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.17
[INFO] [stderr]   Downloaded fdeflate v0.3.1
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5751a0a1bb220ab83e4dcd96fae3c170889187e6d6e09071316f53243b307405
[INFO] running `Command { std: "docker" "start" "-a" "5751a0a1bb220ab83e4dcd96fae3c170889187e6d6e09071316f53243b307405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5751a0a1bb220ab83e4dcd96fae3c170889187e6d6e09071316f53243b307405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5751a0a1bb220ab83e4dcd96fae3c170889187e6d6e09071316f53243b307405", kill_on_drop: false }`
[INFO] [stdout] 5751a0a1bb220ab83e4dcd96fae3c170889187e6d6e09071316f53243b307405
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29f2b9b61bbe6909477563c8c5b8a0f565dbab7046cae021ba3c93f43d315b9d
[INFO] running `Command { std: "docker" "start" "-a" "29f2b9b61bbe6909477563c8c5b8a0f565dbab7046cae021ba3c93f43d315b9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking rayon-core v1.12.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking exr v1.71.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.9.0
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking entity_core v0.0.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> cli/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     viewport.save_image("./image.png");
[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] 7 |     let _ = viewport.save_image("./image.png");
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> cli/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     viewport.save_image("./image.png");
[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] 7 |     let _ = viewport.save_image("./image.png");
[INFO] [stdout]   |     +++++++
[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 4.89s
[INFO] running `Command { std: "docker" "inspect" "29f2b9b61bbe6909477563c8c5b8a0f565dbab7046cae021ba3c93f43d315b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f2b9b61bbe6909477563c8c5b8a0f565dbab7046cae021ba3c93f43d315b9d", kill_on_drop: false }`
[INFO] [stdout] 29f2b9b61bbe6909477563c8c5b8a0f565dbab7046cae021ba3c93f43d315b9d