[INFO] cloning repository https://github.com/aauger/Rust-Frame-Interpolation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aauger/Rust-Frame-Interpolation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faauger%2FRust-Frame-Interpolation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faauger%2FRust-Frame-Interpolation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cb85e96502cc8e4ba3286c2a9d6bde3bc91f499
[INFO] documenting aauger/Rust-Frame-Interpolation against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faauger%2FRust-Frame-Interpolation" "/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/aauger/Rust-Frame-Interpolation on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aauger/Rust-Frame-Interpolation
[INFO] finished tweaking git repo https://github.com/aauger/Rust-Frame-Interpolation
[INFO] tweaked toml for git repo https://github.com/aauger/Rust-Frame-Interpolation written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/aauger/Rust-Frame-Interpolation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiff v0.2.0
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 648df65a025536726eb03933e99db99b056c91c2f7a94513f3a6b415e72c880e
[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" "648df65a025536726eb03933e99db99b056c91c2f7a94513f3a6b415e72c880e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "648df65a025536726eb03933e99db99b056c91c2f7a94513f3a6b415e72c880e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648df65a025536726eb03933e99db99b056c91c2f7a94513f3a6b415e72c880e", kill_on_drop: false }`
[INFO] [stdout] 648df65a025536726eb03933e99db99b056c91c2f7a94513f3a6b415e72c880e
[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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c0500f44902ebeb63dd0e2e17dc0ebdac05ff116bd9431701bbd2a22ca3045e
[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" "4c0500f44902ebeb63dd0e2e17dc0ebdac05ff116bd9431701bbd2a22ca3045e", kill_on_drop: false }`
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.0
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]  Documenting Rust-Frame-Interpolation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/frame_pair.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     (rdist + gdist + bdist)
[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 `if` condition
[INFO] [stdout]   --> src/frame_pair.rs:97:32
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...                   if (x < 0 || x > width - 1) { difference += b.max_difference(); continue; }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/frame_pair.rs:98:32
[INFO] [stdout]    |
[INFO] [stdout] 98 | ...                   if (x + x_off < 0 || x + x_off > width - 1) { difference += b.max_difference(); continue; }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:100:32
[INFO] [stdout]     |
[INFO] [stdout] 100 | ...                   if (y < 0 || y > height - 1) { difference += b.max_difference(); continue; }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:101:32
[INFO] [stdout]     |
[INFO] [stdout] 101 | ...                   if (y + y_off < 0 || y + y_off > height - 1) { difference += b.max_difference(); continue; }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     if (smallest_difference == None || difference < smallest_difference.unwrap()) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     if (ox + x < 0 || ox + x > width-1) { continue; }
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:133:24
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     if (nx + x < 0 || nx + x > width-1) { continue; }
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:134:24
[INFO] [stdout]     |
[INFO] [stdout] 134 |                     if (bx + x < 0 || bx + x > width-1) { continue; }
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     if (oy + y < 0 || oy + y > height-1) { continue; }
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:137:24
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     if (ny + y < 0 || ny + y > height-1) { continue; }
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:138:24
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     if (by + y < 0 || by + y > height-1) { continue; }
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/frame_pair.rs:147:61
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     let colA : Rgba<u8> = self.a.get_pixel( ((nx + x) as u32), ((ny + y) as u32) );
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/frame_pair.rs:147:80
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     let colA : Rgba<u8> = self.a.get_pixel( ((nx + x) as u32), ((ny + y) as u32) );
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/frame_pair.rs:148:61
[INFO] [stdout]     |
[INFO] [stdout] 148 |                     let colC : Rgba<u8> = self.b.get_pixel( ((nx + x) as u32), ((ny + y) as u32) );
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/frame_pair.rs:148:80
[INFO] [stdout]     |
[INFO] [stdout] 148 |                     let colC : Rgba<u8> = self.b.get_pixel( ((nx + x) as u32), ((ny + y) as u32) );
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/frame_pair.rs:157:23
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     if(smallest_difference.unwrap() > self.blkSize*self.blkSize*(b.max_difference()/2)) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.85s
[INFO] running `Command { std: "docker" "inspect" "4c0500f44902ebeb63dd0e2e17dc0ebdac05ff116bd9431701bbd2a22ca3045e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0500f44902ebeb63dd0e2e17dc0ebdac05ff116bd9431701bbd2a22ca3045e", kill_on_drop: false }`
[INFO] [stdout] 4c0500f44902ebeb63dd0e2e17dc0ebdac05ff116bd9431701bbd2a22ca3045e