[INFO] cloning repository https://github.com/tmsampson/arrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmsampson/arrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmsampson%2Farrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmsampson%2Farrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 025246b529ac22d28d7ac014c255a7bc38d885c9
[INFO] checking tmsampson/arrt against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmsampson%2Farrt" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmsampson/arrt on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tmsampson/arrt
[INFO] finished tweaking git repo https://github.com/tmsampson/arrt
[INFO] tweaked toml for git repo https://github.com/tmsampson/arrt written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tmsampson/arrt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eef89222baff056953261bf807e6c9438e693d2da1d96691736af07591530d10
[INFO] running `Command { std: "docker" "start" "-a" "eef89222baff056953261bf807e6c9438e693d2da1d96691736af07591530d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eef89222baff056953261bf807e6c9438e693d2da1d96691736af07591530d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef89222baff056953261bf807e6c9438e693d2da1d96691736af07591530d10", kill_on_drop: false }`
[INFO] [stdout] eef89222baff056953261bf807e6c9438e693d2da1d96691736af07591530d10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0920654eaf192a3cf1dced344a9961cb53fffc00f55776cb9c624ff2e2e52287
[INFO] running `Command { std: "docker" "start" "-a" "0920654eaf192a3cf1dced344a9961cb53fffc00f55776cb9c624ff2e2e52287", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling xml-rs v0.8.0
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[INFO] [stderr]     Checking downcast-rs v1.0.4
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[INFO] [stderr]    Compiling serde_derive v1.0.98
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[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking mini_gl_fb v0.7.0
[INFO] [stderr]     Checking arrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `total_frame_count`
[INFO] [stdout]    --> src/main.rs:499:9
[INFO] [stdout]     |
[INFO] [stdout] 499 |         total_frame_count += 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ImageBuffer`
[INFO] [stdout]  --> src/arrt/job.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | type ImageBuffer = std::vec::Vec<[u8; 4]>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_frame_count`
[INFO] [stdout]    --> src/main.rs:499:9
[INFO] [stdout]     |
[INFO] [stdout] 499 |         total_frame_count += 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ImageBuffer`
[INFO] [stdout]  --> src/arrt/job.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | type ImageBuffer = std::vec::Vec<[u8; 4]>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.54s
[INFO] running `Command { std: "docker" "inspect" "0920654eaf192a3cf1dced344a9961cb53fffc00f55776cb9c624ff2e2e52287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0920654eaf192a3cf1dced344a9961cb53fffc00f55776cb9c624ff2e2e52287", kill_on_drop: false }`
[INFO] [stdout] 0920654eaf192a3cf1dced344a9961cb53fffc00f55776cb9c624ff2e2e52287