[INFO] fetching crate webcam 0.0.0...
[INFO] testing webcam-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate webcam 0.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate webcam 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] crate crates.io crate webcam 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pix v0.13.1
[INFO] [stderr]   Downloaded pasts v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a842cdcd9375597c8682f395cb964555ec85e808d12e48eb8a96c1adab4edc2
[INFO] running `Command { std: "docker" "start" "-a" "5a842cdcd9375597c8682f395cb964555ec85e808d12e48eb8a96c1adab4edc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a842cdcd9375597c8682f395cb964555ec85e808d12e48eb8a96c1adab4edc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a842cdcd9375597c8682f395cb964555ec85e808d12e48eb8a96c1adab4edc2", kill_on_drop: false }`
[INFO] [stdout] 5a842cdcd9375597c8682f395cb964555ec85e808d12e48eb8a96c1adab4edc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfcea9d0cf4342bde5be7ba25eedaa57ad3f3ef00c12e0a4044f4ed42dc5f62b
[INFO] running `Command { std: "docker" "start" "-a" "dfcea9d0cf4342bde5be7ba25eedaa57ad3f3ef00c12e0a4044f4ed42dc5f62b", 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:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 let mut all_open = true;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_all_open` instead
[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]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 is never used: `PROT_READ`
[INFO] [stdout]    --> src/lib.rs:272:1
[INFO] [stdout]     |
[INFO] [stdout] 272 | const PROT_READ: c_int = 0x04;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PROT_WRITE`
[INFO] [stdout]    --> src/lib.rs:273:1
[INFO] [stdout]     |
[INFO] [stdout] 273 | const PROT_WRITE: c_int = 0x02;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAP_SHARED`
[INFO] [stdout]    --> src/lib.rs:275:1
[INFO] [stdout]     |
[INFO] [stdout] 275 | const MAP_SHARED: c_int = 0x0010;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mmap`
[INFO] [stdout]    --> src/lib.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 294 | /     fn mmap(addr: *mut c_void, length: usize, prot: c_int, flags: c_int,
[INFO] [stdout] 295 | |         fd: c_int, offset: isize) -> *mut c_void;
[INFO] [stdout]     | |_________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]    --> src/lib.rs:298:5
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn write(fd: c_int, buf: *const c_void, count: usize) -> isize;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]    --> src/lib.rs:444:2
[INFO] [stdout]     |
[INFO] [stdout] 444 |     data: *mut c_void, // JPEG file data
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raster`
[INFO] [stdout]    --> src/lib.rs:448:2
[INFO] [stdout]     |
[INFO] [stdout] 448 |     raster: Raster<SRgba8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "dfcea9d0cf4342bde5be7ba25eedaa57ad3f3ef00c12e0a4044f4ed42dc5f62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcea9d0cf4342bde5be7ba25eedaa57ad3f3ef00c12e0a4044f4ed42dc5f62b", kill_on_drop: false }`
[INFO] [stdout] dfcea9d0cf4342bde5be7ba25eedaa57ad3f3ef00c12e0a4044f4ed42dc5f62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9d9554c6c6e8684a2d8080c3e4af68a42bfbe98fb278142705c4dcbbac2d97
[INFO] running `Command { std: "docker" "start" "-a" "ef9d9554c6c6e8684a2d8080c3e4af68a42bfbe98fb278142705c4dcbbac2d97", 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:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 let mut all_open = true;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_all_open` instead
[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]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 is never used: `PROT_READ`
[INFO] [stdout]    --> src/lib.rs:272:1
[INFO] [stdout]     |
[INFO] [stdout] 272 | const PROT_READ: c_int = 0x04;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PROT_WRITE`
[INFO] [stdout]    --> src/lib.rs:273:1
[INFO] [stdout]     |
[INFO] [stdout] 273 | const PROT_WRITE: c_int = 0x02;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAP_SHARED`
[INFO] [stdout]    --> src/lib.rs:275:1
[INFO] [stdout]     |
[INFO] [stdout] 275 | const MAP_SHARED: c_int = 0x0010;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mmap`
[INFO] [stdout]    --> src/lib.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 294 | /     fn mmap(addr: *mut c_void, length: usize, prot: c_int, flags: c_int,
[INFO] [stdout] 295 | |         fd: c_int, offset: isize) -> *mut c_void;
[INFO] [stdout]     | |_________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]    --> src/lib.rs:298:5
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn write(fd: c_int, buf: *const c_void, count: usize) -> isize;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]    --> src/lib.rs:444:2
[INFO] [stdout]     |
[INFO] [stdout] 444 |     data: *mut c_void, // JPEG file data
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raster`
[INFO] [stdout]    --> src/lib.rs:448:2
[INFO] [stdout]     |
[INFO] [stdout] 448 |     raster: Raster<SRgba8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[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)]` 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:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 let mut all_open = true;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_all_open` instead
[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]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 is never used: `PROT_READ`
[INFO] [stdout]    --> src/lib.rs:272:1
[INFO] [stdout]     |
[INFO] [stdout] 272 | const PROT_READ: c_int = 0x04;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PROT_WRITE`
[INFO] [stdout]    --> src/lib.rs:273:1
[INFO] [stdout]     |
[INFO] [stdout] 273 | const PROT_WRITE: c_int = 0x02;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAP_SHARED`
[INFO] [stdout]    --> src/lib.rs:275:1
[INFO] [stdout]     |
[INFO] [stdout] 275 | const MAP_SHARED: c_int = 0x0010;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mmap`
[INFO] [stdout]    --> src/lib.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 294 | /     fn mmap(addr: *mut c_void, length: usize, prot: c_int, flags: c_int,
[INFO] [stdout] 295 | |         fd: c_int, offset: isize) -> *mut c_void;
[INFO] [stdout]     | |_________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]    --> src/lib.rs:298:5
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn write(fd: c_int, buf: *const c_void, count: usize) -> isize;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]    --> src/lib.rs:444:2
[INFO] [stdout]     |
[INFO] [stdout] 444 |     data: *mut c_void, // JPEG file data
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raster`
[INFO] [stdout]    --> src/lib.rs:448:2
[INFO] [stdout]     |
[INFO] [stdout] 448 |     raster: Raster<SRgba8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "ef9d9554c6c6e8684a2d8080c3e4af68a42bfbe98fb278142705c4dcbbac2d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9d9554c6c6e8684a2d8080c3e4af68a42bfbe98fb278142705c4dcbbac2d97", kill_on_drop: false }`
[INFO] [stdout] ef9d9554c6c6e8684a2d8080c3e4af68a42bfbe98fb278142705c4dcbbac2d97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36dcd6d40696a9835a7004a12c5f65705f01789d1f58b9cbe5689b9ece264c21
[INFO] running `Command { std: "docker" "start" "-a" "36dcd6d40696a9835a7004a12c5f65705f01789d1f58b9cbe5689b9ece264c21", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable `all_open` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:367:25
[INFO] [stderr]     |
[INFO] [stderr] 367 |                 let mut all_open = true;
[INFO] [stderr]     |                         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_all_open` instead
[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]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[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 is never used: `PROT_READ`
[INFO] [stderr]    --> src/lib.rs:272:1
[INFO] [stderr]     |
[INFO] [stderr] 272 | const PROT_READ: c_int = 0x04;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PROT_WRITE`
[INFO] [stderr]    --> src/lib.rs:273:1
[INFO] [stderr]     |
[INFO] [stderr] 273 | const PROT_WRITE: c_int = 0x02;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MAP_SHARED`
[INFO] [stderr]    --> src/lib.rs:275:1
[INFO] [stderr]     |
[INFO] [stderr] 275 | const MAP_SHARED: c_int = 0x0010;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mmap`
[INFO] [stderr]    --> src/lib.rs:294:5
[INFO] [stderr]     |
[INFO] [stderr] 294 | /     fn mmap(addr: *mut c_void, length: usize, prot: c_int, flags: c_int,
[INFO] [stderr] 295 | |         fd: c_int, offset: isize) -> *mut c_void;
[INFO] [stderr]     | |_________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]    --> src/lib.rs:298:5
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn write(fd: c_int, buf: *const c_void, count: usize) -> isize;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]    --> src/lib.rs:444:2
[INFO] [stderr]     |
[INFO] [stderr] 444 |     data: *mut c_void, // JPEG file data
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `raster`
[INFO] [stderr]    --> src/lib.rs:448:2
[INFO] [stderr]     |
[INFO] [stderr] 448 |     raster: Raster<SRgba8>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `webcam` (lib) generated 10 warnings
[INFO] [stderr] warning: `webcam` (lib test) generated 10 warnings (10 duplicates)
[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)]` 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: `webcam` (example "display") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/webcam-51b574eb36016946)
[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" "36dcd6d40696a9835a7004a12c5f65705f01789d1f58b9cbe5689b9ece264c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36dcd6d40696a9835a7004a12c5f65705f01789d1f58b9cbe5689b9ece264c21", kill_on_drop: false }`
[INFO] [stdout] 36dcd6d40696a9835a7004a12c5f65705f01789d1f58b9cbe5689b9ece264c21