[INFO] cloning repository https://github.com/sourgrasses/pixelater
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sourgrasses/pixelater" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourgrasses%2Fpixelater", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourgrasses%2Fpixelater'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 807ed4aa520d36b727bf28d6078e57fbe5fd3d62
[INFO] checking sourgrasses/pixelater against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourgrasses%2Fpixelater" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sourgrasses/pixelater on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sourgrasses/pixelater
[INFO] finished tweaking git repo https://github.com/sourgrasses/pixelater
[INFO] tweaked toml for git repo https://github.com/sourgrasses/pixelater written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sourgrasses/pixelater already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65e25d789c4df4e247d5226998f38a5f5be1f4665571139a99ecb9eebce2f3f7
[INFO] running `Command { std: "docker" "start" "-a" "65e25d789c4df4e247d5226998f38a5f5be1f4665571139a99ecb9eebce2f3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65e25d789c4df4e247d5226998f38a5f5be1f4665571139a99ecb9eebce2f3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e25d789c4df4e247d5226998f38a5f5be1f4665571139a99ecb9eebce2f3f7", kill_on_drop: false }`
[INFO] [stdout] 65e25d789c4df4e247d5226998f38a5f5be1f4665571139a99ecb9eebce2f3f7
[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=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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 332ba692352b76d8bda39b35236dd2d2381b08881cdc9b38e02fca2ff45dd21a
[INFO] running `Command { std: "docker" "start" "-a" "332ba692352b76d8bda39b35236dd2d2381b08881cdc9b38e02fca2ff45dd21a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling libcruby-sys v0.7.5
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking helix v0.7.5
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking pixelater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/piximage.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let pix_width = (self.w / (self.pix_level * 10) as u32);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/piximage.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let pix_height = (self.h / (self.pix_level * 10) as u32);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/piximage.rs:51:56
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let pix_ref = self.image.get_pixel_mut((x + pix_width / 2), (y + pix_height / 2));
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/piximage.rs:51:77
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let pix_ref = self.image.get_pixel_mut((x + pix_width / 2), (y + pix_height / 2));
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/piximage.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let pix_width = (self.w / (self.pix_level * 10) as u32);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/piximage.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let pix_height = (self.h / (self.pix_level * 10) as u32);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/piximage.rs:51:56
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let pix_ref = self.image.get_pixel_mut((x + pix_width / 2), (y + pix_height / 2));
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/piximage.rs:51:77
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let pix_ref = self.image.get_pixel_mut((x + pix_width / 2), (y + pix_height / 2));
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / ruby! {
[INFO] [stdout] 15 | |     class PixelSelection {
[INFO] [stdout] 16 | |         struct {
[INFO] [stdout] 17 | |             x: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `codegen_define_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.69s
[INFO] running `Command { std: "docker" "inspect" "332ba692352b76d8bda39b35236dd2d2381b08881cdc9b38e02fca2ff45dd21a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332ba692352b76d8bda39b35236dd2d2381b08881cdc9b38e02fca2ff45dd21a", kill_on_drop: false }`
[INFO] [stdout] 332ba692352b76d8bda39b35236dd2d2381b08881cdc9b38e02fca2ff45dd21a