[INFO] cloning repository https://github.com/naps62/rgba
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naps62/rgba" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaps62%2Frgba", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaps62%2Frgba'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da0622f6b9b6ff63136967028056749b93929388
[INFO] checking naps62/rgba against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaps62%2Frgba" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naps62/rgba on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/naps62/rgba
[INFO] finished tweaking git repo https://github.com/naps62/rgba
[INFO] tweaked toml for git repo https://github.com/naps62/rgba written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/naps62/rgba already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04002a5f2cd138a428544497056b1330524a976f081d0be0e30ce88060fb9306
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04002a5f2cd138a428544497056b1330524a976f081d0be0e30ce88060fb9306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04002a5f2cd138a428544497056b1330524a976f081d0be0e30ce88060fb9306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04002a5f2cd138a428544497056b1330524a976f081d0be0e30ce88060fb9306", kill_on_drop: false }`
[INFO] [stdout] 04002a5f2cd138a428544497056b1330524a976f081d0be0e30ce88060fb9306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4edc57aee01d87fe2979788f8f5816805cef29f4385538266a48bd9b94e9642
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4edc57aee01d87fe2979788f8f5816805cef29f4385538266a48bd9b94e9642", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling khronos_api v3.1.0
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[INFO] [stderr]     Checking stable_deref_trait v1.1.1
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[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]    Compiling num-traits v0.2.7
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[INFO] [stderr]     Checking num_cpus v1.10.0
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
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[INFO] [stdout] warning: type alias is never used: `Pixel`
[INFO] [stdout]  --> src/buffer.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Pixel = Rgba<u8>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_pixel`
[INFO] [stdout]   --> src/buffer.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn random_pixel() -> Rgba<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Pixel`
[INFO] [stdout]  --> src/buffer.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Pixel = Rgba<u8>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_pixel`
[INFO] [stdout]   --> src/buffer.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn random_pixel() -> Rgba<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 54s
[INFO] running `Command { std: "docker" "inspect" "b4edc57aee01d87fe2979788f8f5816805cef29f4385538266a48bd9b94e9642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4edc57aee01d87fe2979788f8f5816805cef29f4385538266a48bd9b94e9642", kill_on_drop: false }`
[INFO] [stdout] b4edc57aee01d87fe2979788f8f5816805cef29f4385538266a48bd9b94e9642