[INFO] fetching crate webcam 0.0.0...
[INFO] testing webcam-0.0.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate webcam 0.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate webcam 0.0.0
[INFO] finished tweaking crates.io crate webcam 0.0.0
[INFO] tweaked toml for crates.io crate webcam 0.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate webcam 0.0.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate webcam 0.0.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smelling_salts v0.1.0
[INFO] [stderr]   Downloaded pasts v0.7.4
[INFO] [stderr]   Downloaded pix v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1
[INFO] running `Command { std: "docker" "start" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling pix v0.13.1
[INFO] [stderr]    Compiling smelling_salts v0.1.0
[INFO] [stderr]    Compiling webcam v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `all_open` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:367:21
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 let mut all_open = true;
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_all_open` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `all_open` is never read
[INFO] [stdout]    --> src/lib.rs:388:37
[INFO] [stdout]     |
[INFO] [stdout] 388 | ...                   all_open = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/lib.rs:452:16
[INFO] [stdout]     |
[INFO] [stdout] 452 |     pub fn new(fd: c_int, raster: Raster<SRgba8>) -> Option<Camera> {
[INFO] [stdout]     |                ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROT_READ` is never used
[INFO] [stdout]    --> src/lib.rs:272:7
[INFO] [stdout]     |
[INFO] [stdout] 272 | const PROT_READ: c_int = 0x04;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROT_WRITE` is never used
[INFO] [stdout]    --> src/lib.rs:273:7
[INFO] [stdout]     |
[INFO] [stdout] 273 | const PROT_WRITE: c_int = 0x02;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAP_SHARED` is never used
[INFO] [stdout]    --> src/lib.rs:275:7
[INFO] [stdout]     |
[INFO] [stdout] 275 | const MAP_SHARED: c_int = 0x0010;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `raster` are never read
[INFO] [stdout]    --> src/lib.rs:444:2
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub struct Camera {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 444 |     data: *mut c_void, // JPEG file data
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 448 |     raster: Raster<SRgba8>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mmap` is never used
[INFO] [stdout]    --> src/lib.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn mmap(addr: *mut c_void, length: usize, prot: c_int, flags: c_int,
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write` is never used
[INFO] [stdout]    --> src/lib.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn write(fd: c_int, buf: *const c_void, count: usize) -> isize;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling pasts v0.7.4
[INFO] [stdout] warning: variable `all_open` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:367:21
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 let mut all_open = true;
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_all_open` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `all_open` is never read
[INFO] [stdout]    --> src/lib.rs:388:37
[INFO] [stdout]     |
[INFO] [stdout] 388 | ...                   all_open = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/lib.rs:452:16
[INFO] [stdout]     |
[INFO] [stdout] 452 |     pub fn new(fd: c_int, raster: Raster<SRgba8>) -> Option<Camera> {
[INFO] [stdout]     |                ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROT_READ` is never used
[INFO] [stdout]    --> src/lib.rs:272:7
[INFO] [stdout]     |
[INFO] [stdout] 272 | const PROT_READ: c_int = 0x04;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROT_WRITE` is never used
[INFO] [stdout]    --> src/lib.rs:273:7
[INFO] [stdout]     |
[INFO] [stdout] 273 | const PROT_WRITE: c_int = 0x02;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAP_SHARED` is never used
[INFO] [stdout]    --> src/lib.rs:275:7
[INFO] [stdout]     |
[INFO] [stdout] 275 | const MAP_SHARED: c_int = 0x0010;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `raster` are never read
[INFO] [stdout]    --> src/lib.rs:444:2
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub struct Camera {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 444 |     data: *mut c_void, // JPEG file data
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 448 |     raster: Raster<SRgba8>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mmap` is never used
[INFO] [stdout]    --> src/lib.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn mmap(addr: *mut c_void, length: usize, prot: c_int, flags: c_int,
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write` is never used
[INFO] [stdout]    --> src/lib.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn write(fd: c_int, buf: *const c_void, count: usize) -> isize;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling webcam v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pix::Raster`
[INFO] [stdout]  --> examples/display.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pix::Raster;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pix::rgb::SRgba8`
[INFO] [stdout]  --> examples/display.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pix::rgb::SRgba8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `all_open` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:367:21
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 let mut all_open = true;
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_all_open` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `all_open` is never read
[INFO] [stdout]    --> src/lib.rs:388:37
[INFO] [stdout]     |
[INFO] [stdout] 388 | ...                   all_open = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> src/lib.rs:452:16
[INFO] [stdout]     |
[INFO] [stdout] 452 |     pub fn new(fd: c_int, raster: Raster<SRgba8>) -> Option<Camera> {
[INFO] [stdout]     |                ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/display.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Camera(Camera),
[INFO] [stdout]   |     ------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     Camera(Camera),
[INFO] [stdout] 9 +     Camera(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROT_READ` is never used
[INFO] [stdout]    --> src/lib.rs:272:7
[INFO] [stdout]     |
[INFO] [stdout] 272 | const PROT_READ: c_int = 0x04;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/display.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Picture((usize, ())),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     Picture((usize, ())),
[INFO] [stdout] 11 +     Picture(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROT_WRITE` is never used
[INFO] [stdout]    --> src/lib.rs:273:7
[INFO] [stdout]     |
[INFO] [stdout] 273 | const PROT_WRITE: c_int = 0x02;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAP_SHARED` is never used
[INFO] [stdout]    --> src/lib.rs:275:7
[INFO] [stdout]     |
[INFO] [stdout] 275 | const MAP_SHARED: c_int = 0x0010;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `raster` are never read
[INFO] [stdout]    --> src/lib.rs:444:2
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub struct Camera {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 444 |     data: *mut c_void, // JPEG file data
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 448 |     raster: Raster<SRgba8>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mmap` is never used
[INFO] [stdout]    --> src/lib.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn mmap(addr: *mut c_void, length: usize, prot: c_int, flags: c_int,
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write` is never used
[INFO] [stdout]    --> src/lib.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn write(fd: c_int, buf: *const c_void, count: usize) -> isize;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: variable `all_open` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:367:21
[INFO] [stderr]     |
[INFO] [stderr] 367 |                 let mut all_open = true;
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_all_open` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `all_open` is never read
[INFO] [stderr]    --> src/lib.rs:388:37
[INFO] [stderr]     |
[INFO] [stderr] 388 | ...                   all_open = false;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fd`
[INFO] [stderr]    --> src/lib.rs:452:16
[INFO] [stderr]     |
[INFO] [stderr] 452 |     pub fn new(fd: c_int, raster: Raster<SRgba8>) -> Option<Camera> {
[INFO] [stderr]     |                ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PROT_READ` is never used
[INFO] [stderr]    --> src/lib.rs:272:7
[INFO] [stderr]     |
[INFO] [stderr] 272 | const PROT_READ: c_int = 0x04;
[INFO] [stderr]     |       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PROT_WRITE` is never used
[INFO] [stderr]    --> src/lib.rs:273:7
[INFO] [stderr]     |
[INFO] [stderr] 273 | const PROT_WRITE: c_int = 0x02;
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MAP_SHARED` is never used
[INFO] [stderr]    --> src/lib.rs:275:7
[INFO] [stderr]     |
[INFO] [stderr] 275 | const MAP_SHARED: c_int = 0x0010;
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `data` and `raster` are never read
[INFO] [stderr]    --> src/lib.rs:444:2
[INFO] [stderr]     |
[INFO] [stderr] 435 | pub struct Camera {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 444 |     data: *mut c_void, // JPEG file data
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 448 |     raster: Raster<SRgba8>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mmap` is never used
[INFO] [stderr]    --> src/lib.rs:294:8
[INFO] [stderr]     |
[INFO] [stderr] 294 |     fn mmap(addr: *mut c_void, length: usize, prot: c_int, flags: c_int,
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write` is never used
[INFO] [stderr]    --> src/lib.rs:298:8
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn write(fd: c_int, buf: *const c_void, count: usize) -> isize;
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `webcam` (lib) generated 9 warnings (run `cargo fix --lib -p webcam` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `pix::Raster`
[INFO] [stderr]  --> examples/display.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pix::Raster;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pix::rgb::SRgba8`
[INFO] [stderr]  --> examples/display.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pix::rgb::SRgba8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/display.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Camera(Camera),
[INFO] [stderr]   |     ------ ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 9 -     Camera(Camera),
[INFO] [stderr] 9 +     Camera(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/display.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Picture((usize, ())),
[INFO] [stderr]    |     ------- ^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 11 -     Picture((usize, ())),
[INFO] [stderr] 11 +     Picture(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `webcam` (example "display") generated 4 warnings (run `cargo fix --example "display" -p webcam` to apply 2 suggestions)
[INFO] [stderr] warning: `webcam` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/webcam-df943b79192cd111)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests webcam
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1", kill_on_drop: false }`
[INFO] [stdout] a4a0132cecf3fdfd4df6046035bf3c91a561dad791f68e93f7173ac1181925b1
