Oct 12 23:40:41.742 INFO checking chriserin/artbot against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 23:40:41.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 23:40:42.290 INFO blam! 863ea03fb060cdaec4ab20ddeaf3d968c9dff8bc960484b0fbd56b8a3004c8bb
Oct 12 23:40:42.292 INFO running `"docker" "start" "-a" "863ea03fb060cdaec4ab20ddeaf3d968c9dff8bc960484b0fbd56b8a3004c8bb"`
Oct 12 23:40:43.935 INFO kablam! usermod: no changes
Oct 12 23:40:44.151 INFO kablam!     Checking num-bigint v0.1.39
Oct 12 23:40:45.420 INFO kablam!     Checking num-rational v0.1.38
Oct 12 23:40:46.300 INFO kablam!     Checking num v0.1.39
Oct 12 23:40:46.300 INFO kablam!     Checking image v0.13.0
Oct 12 23:40:51.600 INFO kablam!     Checking artbot v0.1.0 (/source)
Oct 12 23:40:54.564 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 23:40:54.564 INFO kablam!   --> src/main.rs:14:5
Oct 12 23:40:54.564 INFO kablam!    |
Oct 12 23:40:54.564 INFO kablam! 14 | use std::fs::File;
Oct 12 23:40:54.564 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 23:40:54.564 INFO kablam!    |
Oct 12 23:40:54.564 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 23:40:54.564 INFO kablam! 
Oct 12 23:40:54.564 INFO kablam! warning: unused import: `std::path::Path`
Oct 12 23:40:54.564 INFO kablam!   --> src/main.rs:15:5
Oct 12 23:40:54.564 INFO kablam!    |
Oct 12 23:40:54.564 INFO kablam! 15 | use std::path::Path;
Oct 12 23:40:54.564 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 12 23:40:54.564 INFO kablam! 
Oct 12 23:40:54.572 INFO kablam! warning: unused import: `iron::mime`
Oct 12 23:40:54.572 INFO kablam!    --> src/main.rs:158:13
Oct 12 23:40:54.572 INFO kablam!     |
Oct 12 23:40:54.573 INFO kablam! 158 |         use iron::mime;
Oct 12 23:40:54.573 INFO kablam!     |             ^^^^^^^^^^
Oct 12 23:40:54.573 INFO kablam! 
Oct 12 23:40:54.573 INFO kablam! warning: unused import: `iron::mime`
Oct 12 23:40:54.573 INFO kablam!    --> src/main.rs:170:13
Oct 12 23:40:54.573 INFO kablam!     |
Oct 12 23:40:54.573 INFO kablam! 170 |         use iron::mime;
Oct 12 23:40:54.573 INFO kablam!     |             ^^^^^^^^^^
Oct 12 23:40:54.573 INFO kablam! 
Oct 12 23:40:54.662 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 23:40:54.663 INFO kablam!   --> src/main.rs:14:5
Oct 12 23:40:54.663 INFO kablam!    |
Oct 12 23:40:54.663 INFO kablam! 14 | use std::fs::File;
Oct 12 23:40:54.663 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 23:40:54.663 INFO kablam!    |
Oct 12 23:40:54.663 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 23:40:54.663 INFO kablam! 
Oct 12 23:40:54.663 INFO kablam! warning: unused import: `std::path::Path`
Oct 12 23:40:54.663 INFO kablam!   --> src/main.rs:15:5
Oct 12 23:40:54.663 INFO kablam!    |
Oct 12 23:40:54.663 INFO kablam! 15 | use std::path::Path;
Oct 12 23:40:54.663 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 12 23:40:54.663 INFO kablam! 
Oct 12 23:40:54.663 INFO kablam! warning: unused import: `iron::mime`
Oct 12 23:40:54.663 INFO kablam!    --> src/main.rs:158:13
Oct 12 23:40:54.663 INFO kablam!     |
Oct 12 23:40:54.663 INFO kablam! 158 |         use iron::mime;
Oct 12 23:40:54.663 INFO kablam!     |             ^^^^^^^^^^
Oct 12 23:40:54.663 INFO kablam! 
Oct 12 23:40:54.663 INFO kablam! warning: unused import: `iron::mime`
Oct 12 23:40:54.663 INFO kablam!    --> src/main.rs:170:13
Oct 12 23:40:54.663 INFO kablam!     |
Oct 12 23:40:54.663 INFO kablam! 170 |         use iron::mime;
Oct 12 23:40:54.663 INFO kablam!     |             ^^^^^^^^^^
Oct 12 23:40:54.663 INFO kablam! 
Oct 12 23:40:54.761 INFO kablam! warning: value assigned to `r` is never read
Oct 12 23:40:54.761 INFO kablam!   --> src/main.rs:64:17
Oct 12 23:40:54.761 INFO kablam!    |
Oct 12 23:40:54.761 INFO kablam! 64 |         let mut r = 0;
Oct 12 23:40:54.761 INFO kablam!    |                 ^
Oct 12 23:40:54.761 INFO kablam!    |
Oct 12 23:40:54.761 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 23:40:54.761 INFO kablam! 
Oct 12 23:40:54.761 INFO kablam! warning: value assigned to `g` is never read
Oct 12 23:40:54.761 INFO kablam!   --> src/main.rs:65:17
Oct 12 23:40:54.761 INFO kablam!    |
Oct 12 23:40:54.761 INFO kablam! 65 |         let mut g = 0;
Oct 12 23:40:54.761 INFO kablam!    |                 ^
Oct 12 23:40:54.761 INFO kablam! 
Oct 12 23:40:54.761 INFO kablam! warning: value assigned to `b` is never read
Oct 12 23:40:54.761 INFO kablam!   --> src/main.rs:66:17
Oct 12 23:40:54.761 INFO kablam!    |
Oct 12 23:40:54.761 INFO kablam! 66 |         let mut b = 0;
Oct 12 23:40:54.761 INFO kablam!    |                 ^
Oct 12 23:40:54.761 INFO kablam! 
Oct 12 23:40:54.761 INFO kablam! warning: unused variable: `req`
Oct 12 23:40:54.761 INFO kablam!    --> src/main.rs:169:29
Oct 12 23:40:54.761 INFO kablam!     |
Oct 12 23:40:54.761 INFO kablam! 169 |     fn random_image_handler(req: &mut Request) -> IronResult<Response> {
Oct 12 23:40:54.761 INFO kablam!     |                             ^^^ help: consider using `_req` instead
Oct 12 23:40:54.761 INFO kablam!     |
Oct 12 23:40:54.761 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 23:40:54.761 INFO kablam! 
Oct 12 23:40:54.778 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:40:54.778 INFO kablam!   --> src/main.rs:41:9
Oct 12 23:40:54.778 INFO kablam!    |
Oct 12 23:40:54.778 INFO kablam! 41 |     let mut x_adjust = xor_rand.gen_range(0.4, 256.0);
Oct 12 23:40:54.779 INFO kablam!    |         ----^^^^^^^^
Oct 12 23:40:54.779 INFO kablam!    |         |
Oct 12 23:40:54.779 INFO kablam!    |         help: remove this `mut`
Oct 12 23:40:54.779 INFO kablam!    |
Oct 12 23:40:54.779 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 23:40:54.779 INFO kablam! 
Oct 12 23:40:54.779 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:40:54.779 INFO kablam!   --> src/main.rs:42:9
Oct 12 23:40:54.779 INFO kablam!    |
Oct 12 23:40:54.779 INFO kablam! 42 |     let mut y_adjust = xor_rand.gen_range(0.4, 256.0);
Oct 12 23:40:54.779 INFO kablam!    |         ----^^^^^^^^
Oct 12 23:40:54.779 INFO kablam!    |         |
Oct 12 23:40:54.779 INFO kablam!    |         help: remove this `mut`
Oct 12 23:40:54.779 INFO kablam! 
Oct 12 23:40:54.779 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:40:54.779 INFO kablam!   --> src/main.rs:43:9
Oct 12 23:40:54.779 INFO kablam!    |
Oct 12 23:40:54.779 INFO kablam! 43 |     let mut color_adjust = xor_rand.gen_range(10.0, 256.0);
Oct 12 23:40:54.779 INFO kablam!    |         ----^^^^^^^^^^^^
Oct 12 23:40:54.779 INFO kablam!    |         |
Oct 12 23:40:54.779 INFO kablam!    |         help: remove this `mut`
Oct 12 23:40:54.779 INFO kablam! 
Oct 12 23:40:54.779 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:40:54.779 INFO kablam!   --> src/main.rs:45:9
Oct 12 23:40:54.779 INFO kablam!    |
Oct 12 23:40:54.779 INFO kablam! 45 |     let mut julia_adjustor_x = xor_rand.gen_range(-0.6, 0.6);
Oct 12 23:40:54.779 INFO kablam!    |         ----^^^^^^^^^^^^^^^^
Oct 12 23:40:54.779 INFO kablam!    |         |
Oct 12 23:40:54.779 INFO kablam!    |         help: remove this `mut`
Oct 12 23:40:54.779 INFO kablam! 
Oct 12 23:40:54.785 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 23:40:54.785 INFO kablam!    --> src/main.rs:165:9
Oct 12 23:40:54.785 INFO kablam!     |
Oct 12 23:40:54.785 INFO kablam! 165 |         image_rgb.save(&mut bytes, image::PNG);
Oct 12 23:40:54.785 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:40:54.785 INFO kablam!     |
Oct 12 23:40:54.785 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 23:40:54.785 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 23:40:54.785 INFO kablam! 
Oct 12 23:40:54.785 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 23:40:54.785 INFO kablam!    --> src/main.rs:178:9
Oct 12 23:40:54.785 INFO kablam!     |
Oct 12 23:40:54.785 INFO kablam! 178 |         image_rgb.save(&mut bytes, image::PNG);
Oct 12 23:40:54.785 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:40:54.785 INFO kablam!     |
Oct 12 23:40:54.786 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 23:40:54.786 INFO kablam! 
Oct 12 23:40:54.900 INFO kablam! warning: value assigned to `r` is never read
Oct 12 23:40:54.900 INFO kablam!   --> src/main.rs:64:17
Oct 12 23:40:54.900 INFO kablam!    |
Oct 12 23:40:54.900 INFO kablam! 64 |         let mut r = 0;
Oct 12 23:40:54.900 INFO kablam!    |                 ^
Oct 12 23:40:54.900 INFO kablam!    |
Oct 12 23:40:54.900 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 23:40:54.900 INFO kablam! 
Oct 12 23:40:54.900 INFO kablam! warning: value assigned to `g` is never read
Oct 12 23:40:54.900 INFO kablam!   --> src/main.rs:65:17
Oct 12 23:40:54.900 INFO kablam!    |
Oct 12 23:40:54.900 INFO kablam! 65 |         let mut g = 0;
Oct 12 23:40:54.900 INFO kablam!    |                 ^
Oct 12 23:40:54.900 INFO kablam! 
Oct 12 23:40:54.900 INFO kablam! warning: value assigned to `b` is never read
Oct 12 23:40:54.900 INFO kablam!   --> src/main.rs:66:17
Oct 12 23:40:54.900 INFO kablam!    |
Oct 12 23:40:54.901 INFO kablam! 66 |         let mut b = 0;
Oct 12 23:40:54.901 INFO kablam!    |                 ^
Oct 12 23:40:54.901 INFO kablam! 
Oct 12 23:40:54.901 INFO kablam! warning: unused variable: `req`
Oct 12 23:40:54.901 INFO kablam!    --> src/main.rs:169:29
Oct 12 23:40:54.901 INFO kablam!     |
Oct 12 23:40:54.901 INFO kablam! 169 |     fn random_image_handler(req: &mut Request) -> IronResult<Response> {
Oct 12 23:40:54.901 INFO kablam!     |                             ^^^ help: consider using `_req` instead
Oct 12 23:40:54.901 INFO kablam!     |
Oct 12 23:40:54.901 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 23:40:54.901 INFO kablam! 
Oct 12 23:40:54.920 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:40:54.920 INFO kablam!   --> src/main.rs:41:9
Oct 12 23:40:54.920 INFO kablam!    |
Oct 12 23:40:54.920 INFO kablam! 41 |     let mut x_adjust = xor_rand.gen_range(0.4, 256.0);
Oct 12 23:40:54.920 INFO kablam!    |         ----^^^^^^^^
Oct 12 23:40:54.920 INFO kablam!    |         |
Oct 12 23:40:54.920 INFO kablam!    |         help: remove this `mut`
Oct 12 23:40:54.920 INFO kablam!    |
Oct 12 23:40:54.920 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 23:40:54.920 INFO kablam! 
Oct 12 23:40:54.920 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:40:54.920 INFO kablam!   --> src/main.rs:42:9
Oct 12 23:40:54.920 INFO kablam!    |
Oct 12 23:40:54.920 INFO kablam! 42 |     let mut y_adjust = xor_rand.gen_range(0.4, 256.0);
Oct 12 23:40:54.920 INFO kablam!    |         ----^^^^^^^^
Oct 12 23:40:54.921 INFO kablam!    |         |
Oct 12 23:40:54.921 INFO kablam!    |         help: remove this `mut`
Oct 12 23:40:54.921 INFO kablam! 
Oct 12 23:40:54.921 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:40:54.921 INFO kablam!   --> src/main.rs:43:9
Oct 12 23:40:54.921 INFO kablam!    |
Oct 12 23:40:54.921 INFO kablam! 43 |     let mut color_adjust = xor_rand.gen_range(10.0, 256.0);
Oct 12 23:40:54.921 INFO kablam!    |         ----^^^^^^^^^^^^
Oct 12 23:40:54.921 INFO kablam!    |         |
Oct 12 23:40:54.921 INFO kablam!    |         help: remove this `mut`
Oct 12 23:40:54.921 INFO kablam! 
Oct 12 23:40:54.921 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:40:54.921 INFO kablam!   --> src/main.rs:45:9
Oct 12 23:40:54.921 INFO kablam!    |
Oct 12 23:40:54.921 INFO kablam! 45 |     let mut julia_adjustor_x = xor_rand.gen_range(-0.6, 0.6);
Oct 12 23:40:54.921 INFO kablam!    |         ----^^^^^^^^^^^^^^^^
Oct 12 23:40:54.921 INFO kablam!    |         |
Oct 12 23:40:54.921 INFO kablam!    |         help: remove this `mut`
Oct 12 23:40:54.921 INFO kablam! 
Oct 12 23:40:54.928 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 23:40:54.928 INFO kablam!    --> src/main.rs:165:9
Oct 12 23:40:54.928 INFO kablam!     |
Oct 12 23:40:54.928 INFO kablam! 165 |         image_rgb.save(&mut bytes, image::PNG);
Oct 12 23:40:54.928 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:40:54.928 INFO kablam!     |
Oct 12 23:40:54.928 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 23:40:54.928 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 23:40:54.928 INFO kablam! 
Oct 12 23:40:54.928 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 23:40:54.928 INFO kablam!    --> src/main.rs:178:9
Oct 12 23:40:54.928 INFO kablam!     |
Oct 12 23:40:54.928 INFO kablam! 178 |         image_rgb.save(&mut bytes, image::PNG);
Oct 12 23:40:54.928 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:40:54.928 INFO kablam!     |
Oct 12 23:40:54.928 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 23:40:54.928 INFO kablam! 
Oct 12 23:40:54.971 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.01s
Oct 12 23:40:54.984 INFO kablam! su: No module specific data is present
Oct 12 23:40:55.558 INFO running `"docker" "rm" "-f" "863ea03fb060cdaec4ab20ddeaf3d968c9dff8bc960484b0fbd56b8a3004c8bb"`
Oct 12 23:40:55.726 INFO blam! 863ea03fb060cdaec4ab20ddeaf3d968c9dff8bc960484b0fbd56b8a3004c8bb