[INFO] cloning repository https://github.com/quelledanielle/webcam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quelledanielle/webcam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquelledanielle%2Fwebcam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquelledanielle%2Fwebcam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6390f501a8058b9ac517ceb80b17999f042fcd68
[INFO] checking quelledanielle/webcam against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquelledanielle%2Fwebcam" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quelledanielle/webcam on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quelledanielle/webcam
[INFO] finished tweaking git repo https://github.com/quelledanielle/webcam
[INFO] tweaked toml for git repo https://github.com/quelledanielle/webcam written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/quelledanielle/webcam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccb9e2f559baddfcb06bcc5a90ef8007d8603a1fbcb8882963fdf16a77479870
[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" "ccb9e2f559baddfcb06bcc5a90ef8007d8603a1fbcb8882963fdf16a77479870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccb9e2f559baddfcb06bcc5a90ef8007d8603a1fbcb8882963fdf16a77479870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb9e2f559baddfcb06bcc5a90ef8007d8603a1fbcb8882963fdf16a77479870", kill_on_drop: false }`
[INFO] [stdout] ccb9e2f559baddfcb06bcc5a90ef8007d8603a1fbcb8882963fdf16a77479870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2833e73783e7147647ca0bf00e53be24c6716033e8b170300640b25f9ad32c78
[INFO] running `Command { std: "docker" "start" "-a" "2833e73783e7147647ca0bf00e53be24c6716033e8b170300640b25f9ad32c78", kill_on_drop: false }`
[INFO] [stderr]     Checking webcam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]   --> src/lib.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             0 ..= 40 => 0,
[INFO] [stdout]    |             -------- this range overlaps on `40_u8`
[INFO] [stdout] 25 |             40 ..= 85 => 85,
[INFO] [stdout]    |             ^^^^^^^^^ overlapping patterns
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]   --> src/lib.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             0 ..= 40 => 0,
[INFO] [stdout]    |             -------- this range overlaps on `40_u8`
[INFO] [stdout] 25 |             40 ..= 85 => 85,
[INFO] [stdout]    |             ^^^^^^^^^ overlapping patterns
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             40 ..= 85 => 85,
[INFO] [stdout]    |             --------- this range overlaps on `85_u8`
[INFO] [stdout] 26 |             85 ..= 170 => 170,
[INFO] [stdout]    |             ^^^^^^^^^^ overlapping patterns
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_step_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             40 ..= 85 => 85,
[INFO] [stdout]    |             --------- this range overlaps on `85_u8`
[INFO] [stdout] 26 |             85 ..= 170 => 170,
[INFO] [stdout]    |             ^^^^^^^^^^ overlapping patterns
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_step_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "2833e73783e7147647ca0bf00e53be24c6716033e8b170300640b25f9ad32c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2833e73783e7147647ca0bf00e53be24c6716033e8b170300640b25f9ad32c78", kill_on_drop: false }`
[INFO] [stdout] 2833e73783e7147647ca0bf00e53be24c6716033e8b170300640b25f9ad32c78