[INFO] cloning repository https://github.com/donachys/midpoint_displacement_2d_terrain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/donachys/midpoint_displacement_2d_terrain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonachys%2Fmidpoint_displacement_2d_terrain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonachys%2Fmidpoint_displacement_2d_terrain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 649e1ef34a71b4ec2d4b077d7a52cc16c05d5cdd
[INFO] testing donachys/midpoint_displacement_2d_terrain against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonachys%2Fmidpoint_displacement_2d_terrain" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/donachys/midpoint_displacement_2d_terrain on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/donachys/midpoint_displacement_2d_terrain
[INFO] finished tweaking git repo https://github.com/donachys/midpoint_displacement_2d_terrain
[INFO] tweaked toml for git repo https://github.com/donachys/midpoint_displacement_2d_terrain written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/donachys/midpoint_displacement_2d_terrain 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum_primitive v0.1.0
[INFO] [stderr]   Downloaded num-bigint v0.1.35
[INFO] [stderr]   Downloaded miniz-sys v0.1.7
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num_cpus v1.2.0
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded color_quant v1.0.0
[INFO] [stderr]   Downloaded gif v0.9.0
[INFO] [stderr]   Downloaded num-rational v0.1.35
[INFO] [stderr]   Downloaded gcc v0.3.40
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded rayon v0.6.0
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.7
[INFO] [stderr]   Downloaded flate2 v0.2.14
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 214656d8cd5d57705d10504823d9f72f26daeb77071ce60474408420cfabd4bb
[INFO] running `Command { std: "docker" "start" "-a" "214656d8cd5d57705d10504823d9f72f26daeb77071ce60474408420cfabd4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "214656d8cd5d57705d10504823d9f72f26daeb77071ce60474408420cfabd4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214656d8cd5d57705d10504823d9f72f26daeb77071ce60474408420cfabd4bb", kill_on_drop: false }`
[INFO] [stdout] 214656d8cd5d57705d10504823d9f72f26daeb77071ce60474408420cfabd4bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beca89144cda4acfc3ae077387bdc7c15ec4d00e60a0e81d016c5848b1217742
[INFO] running `Command { std: "docker" "start" "-a" "beca89144cda4acfc3ae077387bdc7c15ec4d00e60a0e81d016c5848b1217742", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling enum_primitive v0.1.0
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling flate2 v0.2.14
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.10
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling midpoint_displacement_2d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut pixel = imgbuf.get_pixel_mut(wheel_center.x, wheel_center.y);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let mut pixel = imgbuf.get_pixel_mut(point.x, point.y);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     let mut pixel = imgbuf.get_pixel_mut(point.x, point.y);
[INFO] [stdout]    |                         ----^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |                         let mut vert_pixel = imgbuf.get_pixel_mut(vert_point.x, vert_point.y);
[INFO] [stdout]    |                             ----^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.22
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "beca89144cda4acfc3ae077387bdc7c15ec4d00e60a0e81d016c5848b1217742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beca89144cda4acfc3ae077387bdc7c15ec4d00e60a0e81d016c5848b1217742", kill_on_drop: false }`
[INFO] [stdout] beca89144cda4acfc3ae077387bdc7c15ec4d00e60a0e81d016c5848b1217742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a984602c981d88ea158085201c6d19448826d5e757e188fd32426b74cb30d70
[INFO] running `Command { std: "docker" "start" "-a" "2a984602c981d88ea158085201c6d19448826d5e757e188fd32426b74cb30d70", kill_on_drop: false }`
[INFO] [stderr]    Compiling midpoint_displacement_2d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut pixel = imgbuf.get_pixel_mut(wheel_center.x, wheel_center.y);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let mut pixel = imgbuf.get_pixel_mut(point.x, point.y);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     let mut pixel = imgbuf.get_pixel_mut(point.x, point.y);
[INFO] [stdout]    |                         ----^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |                         let mut vert_pixel = imgbuf.get_pixel_mut(vert_point.x, vert_point.y);
[INFO] [stdout]    |                             ----^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.22
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "2a984602c981d88ea158085201c6d19448826d5e757e188fd32426b74cb30d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a984602c981d88ea158085201c6d19448826d5e757e188fd32426b74cb30d70", kill_on_drop: false }`
[INFO] [stdout] 2a984602c981d88ea158085201c6d19448826d5e757e188fd32426b74cb30d70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdbfc2d38cf370c2ea94aed75e337b967ad0852e86eb48b78397413751ca850e
[INFO] running `Command { std: "docker" "start" "-a" "fdbfc2d38cf370c2ea94aed75e337b967ad0852e86eb48b78397413751ca850e", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let mut pixel = imgbuf.get_pixel_mut(wheel_center.x, wheel_center.y);
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let mut pixel = imgbuf.get_pixel_mut(point.x, point.y);
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     let mut pixel = imgbuf.get_pixel_mut(point.x, point.y);
[INFO] [stderr]    |                         ----^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:97:29
[INFO] [stderr]    |
[INFO] [stderr] 97 |                         let mut vert_pixel = imgbuf.get_pixel_mut(vert_point.x, vert_point.y);
[INFO] [stderr]    |                             ----^^^^^^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `midpoint_displacement_2d` (bin "midpoint_displacement_2d" test) generated 4 warnings (run `cargo fix --bin "midpoint_displacement_2d" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.22
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/midpoint_displacement_2d-10ff55319efb48bb)
[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" "fdbfc2d38cf370c2ea94aed75e337b967ad0852e86eb48b78397413751ca850e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbfc2d38cf370c2ea94aed75e337b967ad0852e86eb48b78397413751ca850e", kill_on_drop: false }`
[INFO] [stdout] fdbfc2d38cf370c2ea94aed75e337b967ad0852e86eb48b78397413751ca850e
