Nov 30 05:21:43.979 INFO checking chriserin/artbot against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 05:21:43.979 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 05:21:44.242 INFO [stdout] 4b1cbde236a958e05ef82664aec90fad42dbd3841c4d19bce3ee026422ce43ab
Nov 30 05:21:44.245 INFO running `"docker" "start" "-a" "4b1cbde236a958e05ef82664aec90fad42dbd3841c4d19bce3ee026422ce43ab"`
Nov 30 05:21:44.923 INFO [stderr] usermod: no changes
Nov 30 05:21:45.049 INFO [stderr]    Compiling version_check v0.1.2
Nov 30 05:21:45.055 INFO [stderr]     Checking unicode-bidi v0.3.3
Nov 30 05:21:45.056 INFO [stderr]     Checking num-complex v0.1.38
Nov 30 05:21:45.062 INFO [stderr]     Checking rayon-core v1.0.2
Nov 30 05:21:45.062 INFO [stderr]     Checking num-bigint v0.1.39
Nov 30 05:21:46.575 INFO [stderr]     Checking idna v0.1.2
Nov 30 05:21:47.008 INFO [stderr]     Checking rayon v0.7.1
Nov 30 05:21:47.828 INFO [stderr]     Checking num-rational v0.1.38
Nov 30 05:21:47.884 INFO [stderr]    Compiling unicase v1.4.2
Nov 30 05:21:49.160 INFO [stderr]     Checking num v0.1.39
Nov 30 05:21:50.348 INFO [stderr]     Checking url v1.5.0
Nov 30 05:21:51.062 INFO [stderr]     Checking jpeg-decoder v0.1.12
Nov 30 05:21:52.587 INFO [stderr]     Checking image v0.13.0
Nov 30 05:21:52.705 INFO [stderr]     Checking hyper v0.10.12
Nov 30 05:21:57.866 INFO [stderr]     Checking iron v0.5.1
Nov 30 05:21:59.256 INFO [stderr]     Checking router v0.5.1
Nov 30 05:22:00.615 INFO [stderr]     Checking artbot v0.1.0 (/source)
Nov 30 05:22:02.665 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 05:22:02.665 INFO [stderr]   --> src/main.rs:14:5
Nov 30 05:22:02.665 INFO [stderr]    |
Nov 30 05:22:02.665 INFO [stderr] 14 | use std::fs::File;
Nov 30 05:22:02.665 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 30 05:22:02.665 INFO [stderr]    |
Nov 30 05:22:02.665 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 05:22:02.665 INFO [stderr] 
Nov 30 05:22:02.665 INFO [stderr] warning: unused import: `std::path::Path`
Nov 30 05:22:02.665 INFO [stderr]   --> src/main.rs:15:5
Nov 30 05:22:02.665 INFO [stderr]    |
Nov 30 05:22:02.665 INFO [stderr] 15 | use std::path::Path;
Nov 30 05:22:02.665 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 05:22:02.665 INFO [stderr] 
Nov 30 05:22:02.665 INFO [stderr] warning: unused import: `iron::mime`
Nov 30 05:22:02.665 INFO [stderr]    --> src/main.rs:158:13
Nov 30 05:22:02.665 INFO [stderr]     |
Nov 30 05:22:02.665 INFO [stderr] 158 |         use iron::mime;
Nov 30 05:22:02.665 INFO [stderr]     |             ^^^^^^^^^^
Nov 30 05:22:02.665 INFO [stderr] 
Nov 30 05:22:02.665 INFO [stderr] warning: unused import: `iron::mime`
Nov 30 05:22:02.665 INFO [stderr]    --> src/main.rs:170:13
Nov 30 05:22:02.665 INFO [stderr]     |
Nov 30 05:22:02.665 INFO [stderr] 170 |         use iron::mime;
Nov 30 05:22:02.665 INFO [stderr]     |             ^^^^^^^^^^
Nov 30 05:22:02.665 INFO [stderr] 
Nov 30 05:22:02.773 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 05:22:02.773 INFO [stderr]   --> src/main.rs:14:5
Nov 30 05:22:02.774 INFO [stderr]    |
Nov 30 05:22:02.774 INFO [stderr] 14 | use std::fs::File;
Nov 30 05:22:02.774 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 30 05:22:02.775 INFO [stderr]    |
Nov 30 05:22:02.775 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 05:22:02.775 INFO [stderr] 
Nov 30 05:22:02.776 INFO [stderr] warning: unused import: `std::path::Path`
Nov 30 05:22:02.776 INFO [stderr]   --> src/main.rs:15:5
Nov 30 05:22:02.776 INFO [stderr]    |
Nov 30 05:22:02.777 INFO [stderr] 15 | use std::path::Path;
Nov 30 05:22:02.777 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 05:22:02.777 INFO [stderr] 
Nov 30 05:22:02.778 INFO [stderr] warning: unused import: `iron::mime`
Nov 30 05:22:02.778 INFO [stderr]    --> src/main.rs:158:13
Nov 30 05:22:02.778 INFO [stderr]     |
Nov 30 05:22:02.779 INFO [stderr] 158 |         use iron::mime;
Nov 30 05:22:02.779 INFO [stderr]     |             ^^^^^^^^^^
Nov 30 05:22:02.779 INFO [stderr] 
Nov 30 05:22:02.779 INFO [stderr] warning: unused import: `iron::mime`
Nov 30 05:22:02.780 INFO [stderr]    --> src/main.rs:170:13
Nov 30 05:22:02.780 INFO [stderr]     |
Nov 30 05:22:02.780 INFO [stderr] 170 |         use iron::mime;
Nov 30 05:22:02.781 INFO [stderr]     |             ^^^^^^^^^^
Nov 30 05:22:02.781 INFO [stderr] 
Nov 30 05:22:02.855 INFO [stderr] warning: value assigned to `r` is never read
Nov 30 05:22:02.856 INFO [stderr]   --> src/main.rs:64:17
Nov 30 05:22:02.856 INFO [stderr]    |
Nov 30 05:22:02.856 INFO [stderr] 64 |         let mut r = 0;
Nov 30 05:22:02.857 INFO [stderr]    |                 ^
Nov 30 05:22:02.857 INFO [stderr]    |
Nov 30 05:22:02.857 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:22:02.857 INFO [stderr] 
Nov 30 05:22:02.858 INFO [stderr] warning: value assigned to `g` is never read
Nov 30 05:22:02.858 INFO [stderr]   --> src/main.rs:65:17
Nov 30 05:22:02.858 INFO [stderr]    |
Nov 30 05:22:02.858 INFO [stderr] 65 |         let mut g = 0;
Nov 30 05:22:02.859 INFO [stderr]    |                 ^
Nov 30 05:22:02.859 INFO [stderr] 
Nov 30 05:22:02.859 INFO [stderr] warning: value assigned to `b` is never read
Nov 30 05:22:02.859 INFO [stderr]   --> src/main.rs:66:17
Nov 30 05:22:02.859 INFO [stderr]    |
Nov 30 05:22:02.859 INFO [stderr] 66 |         let mut b = 0;
Nov 30 05:22:02.859 INFO [stderr]    |                 ^
Nov 30 05:22:02.859 INFO [stderr] 
Nov 30 05:22:02.859 INFO [stderr] warning: unused variable: `req`
Nov 30 05:22:02.859 INFO [stderr]    --> src/main.rs:169:29
Nov 30 05:22:02.859 INFO [stderr]     |
Nov 30 05:22:02.859 INFO [stderr] 169 |     fn random_image_handler(req: &mut Request) -> IronResult<Response> {
Nov 30 05:22:02.859 INFO [stderr]     |                             ^^^ help: consider using `_req` instead
Nov 30 05:22:02.859 INFO [stderr]     |
Nov 30 05:22:02.859 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 05:22:02.859 INFO [stderr] 
Nov 30 05:22:02.869 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:22:02.869 INFO [stderr]   --> src/main.rs:41:9
Nov 30 05:22:02.869 INFO [stderr]    |
Nov 30 05:22:02.869 INFO [stderr] 41 |     let mut x_adjust = xor_rand.gen_range(0.4, 256.0);
Nov 30 05:22:02.869 INFO [stderr]    |         ----^^^^^^^^
Nov 30 05:22:02.869 INFO [stderr]    |         |
Nov 30 05:22:02.869 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:22:02.870 INFO [stderr]    |
Nov 30 05:22:02.870 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 05:22:02.870 INFO [stderr] 
Nov 30 05:22:02.870 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:22:02.870 INFO [stderr]   --> src/main.rs:42:9
Nov 30 05:22:02.870 INFO [stderr]    |
Nov 30 05:22:02.870 INFO [stderr] 42 |     let mut y_adjust = xor_rand.gen_range(0.4, 256.0);
Nov 30 05:22:02.870 INFO [stderr]    |         ----^^^^^^^^
Nov 30 05:22:02.870 INFO [stderr]    |         |
Nov 30 05:22:02.870 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:22:02.871 INFO [stderr] 
Nov 30 05:22:02.871 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:22:02.871 INFO [stderr]   --> src/main.rs:43:9
Nov 30 05:22:02.871 INFO [stderr]    |
Nov 30 05:22:02.871 INFO [stderr] 43 |     let mut color_adjust = xor_rand.gen_range(10.0, 256.0);
Nov 30 05:22:02.871 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 30 05:22:02.871 INFO [stderr]    |         |
Nov 30 05:22:02.871 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:22:02.871 INFO [stderr] 
Nov 30 05:22:02.871 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:22:02.872 INFO [stderr]   --> src/main.rs:45:9
Nov 30 05:22:02.872 INFO [stderr]    |
Nov 30 05:22:02.872 INFO [stderr] 45 |     let mut julia_adjustor_x = xor_rand.gen_range(-0.6, 0.6);
Nov 30 05:22:02.872 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Nov 30 05:22:02.872 INFO [stderr]    |         |
Nov 30 05:22:02.872 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:22:02.872 INFO [stderr] 
Nov 30 05:22:02.875 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:22:02.875 INFO [stderr]    --> src/main.rs:165:9
Nov 30 05:22:02.875 INFO [stderr]     |
Nov 30 05:22:02.876 INFO [stderr] 165 |         image_rgb.save(&mut bytes, image::PNG);
Nov 30 05:22:02.876 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:22:02.876 INFO [stderr]     |
Nov 30 05:22:02.876 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 05:22:02.876 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:22:02.876 INFO [stderr] 
Nov 30 05:22:02.876 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:22:02.876 INFO [stderr]    --> src/main.rs:178:9
Nov 30 05:22:02.876 INFO [stderr]     |
Nov 30 05:22:02.876 INFO [stderr] 178 |         image_rgb.save(&mut bytes, image::PNG);
Nov 30 05:22:02.876 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:22:02.877 INFO [stderr]     |
Nov 30 05:22:02.877 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:22:02.877 INFO [stderr] 
Nov 30 05:22:02.937 INFO [stderr] warning: value assigned to `r` is never read
Nov 30 05:22:02.937 INFO [stderr]   --> src/main.rs:64:17
Nov 30 05:22:02.937 INFO [stderr]    |
Nov 30 05:22:02.937 INFO [stderr] 64 |         let mut r = 0;
Nov 30 05:22:02.937 INFO [stderr]    |                 ^
Nov 30 05:22:02.937 INFO [stderr]    |
Nov 30 05:22:02.937 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:22:02.937 INFO [stderr] 
Nov 30 05:22:02.937 INFO [stderr] warning: value assigned to `g` is never read
Nov 30 05:22:02.937 INFO [stderr]   --> src/main.rs:65:17
Nov 30 05:22:02.937 INFO [stderr]    |
Nov 30 05:22:02.937 INFO [stderr] 65 |         let mut g = 0;
Nov 30 05:22:02.937 INFO [stderr]    |                 ^
Nov 30 05:22:02.937 INFO [stderr] 
Nov 30 05:22:02.937 INFO [stderr] warning: value assigned to `b` is never read
Nov 30 05:22:02.937 INFO [stderr]   --> src/main.rs:66:17
Nov 30 05:22:02.937 INFO [stderr]    |
Nov 30 05:22:02.937 INFO [stderr] 66 |         let mut b = 0;
Nov 30 05:22:02.937 INFO [stderr]    |                 ^
Nov 30 05:22:02.937 INFO [stderr] 
Nov 30 05:22:02.937 INFO [stderr] warning: unused variable: `req`
Nov 30 05:22:02.937 INFO [stderr]    --> src/main.rs:169:29
Nov 30 05:22:02.937 INFO [stderr]     |
Nov 30 05:22:02.937 INFO [stderr] 169 |     fn random_image_handler(req: &mut Request) -> IronResult<Response> {
Nov 30 05:22:02.938 INFO [stderr]     |                             ^^^ help: consider using `_req` instead
Nov 30 05:22:02.938 INFO [stderr]     |
Nov 30 05:22:02.938 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 05:22:02.938 INFO [stderr] 
Nov 30 05:22:02.951 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:22:02.951 INFO [stderr]   --> src/main.rs:41:9
Nov 30 05:22:02.951 INFO [stderr]    |
Nov 30 05:22:02.951 INFO [stderr] 41 |     let mut x_adjust = xor_rand.gen_range(0.4, 256.0);
Nov 30 05:22:02.951 INFO [stderr]    |         ----^^^^^^^^
Nov 30 05:22:02.951 INFO [stderr]    |         |
Nov 30 05:22:02.951 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:22:02.951 INFO [stderr]    |
Nov 30 05:22:02.951 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 05:22:02.951 INFO [stderr] 
Nov 30 05:22:02.951 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:22:02.951 INFO [stderr]   --> src/main.rs:42:9
Nov 30 05:22:02.951 INFO [stderr]    |
Nov 30 05:22:02.951 INFO [stderr] 42 |     let mut y_adjust = xor_rand.gen_range(0.4, 256.0);
Nov 30 05:22:02.951 INFO [stderr]    |         ----^^^^^^^^
Nov 30 05:22:02.951 INFO [stderr]    |         |
Nov 30 05:22:02.951 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:22:02.951 INFO [stderr] 
Nov 30 05:22:02.951 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:22:02.951 INFO [stderr]   --> src/main.rs:43:9
Nov 30 05:22:02.951 INFO [stderr]    |
Nov 30 05:22:02.951 INFO [stderr] 43 |     let mut color_adjust = xor_rand.gen_range(10.0, 256.0);
Nov 30 05:22:02.951 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 30 05:22:02.952 INFO [stderr]    |         |
Nov 30 05:22:02.952 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:22:02.952 INFO [stderr] 
Nov 30 05:22:02.952 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:22:02.952 INFO [stderr]   --> src/main.rs:45:9
Nov 30 05:22:02.952 INFO [stderr]    |
Nov 30 05:22:02.952 INFO [stderr] 45 |     let mut julia_adjustor_x = xor_rand.gen_range(-0.6, 0.6);
Nov 30 05:22:02.952 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Nov 30 05:22:02.952 INFO [stderr]    |         |
Nov 30 05:22:02.952 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:22:02.952 INFO [stderr] 
Nov 30 05:22:02.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:22:02.957 INFO [stderr]    --> src/main.rs:165:9
Nov 30 05:22:02.957 INFO [stderr]     |
Nov 30 05:22:02.957 INFO [stderr] 165 |         image_rgb.save(&mut bytes, image::PNG);
Nov 30 05:22:02.957 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:22:02.957 INFO [stderr]     |
Nov 30 05:22:02.957 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 05:22:02.957 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:22:02.957 INFO [stderr] 
Nov 30 05:22:02.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:22:02.957 INFO [stderr]    --> src/main.rs:178:9
Nov 30 05:22:02.957 INFO [stderr]     |
Nov 30 05:22:02.957 INFO [stderr] 178 |         image_rgb.save(&mut bytes, image::PNG);
Nov 30 05:22:02.957 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:22:02.957 INFO [stderr]     |
Nov 30 05:22:02.957 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:22:02.957 INFO [stderr] 
Nov 30 05:22:02.991 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.05s
Nov 30 05:22:02.998 INFO [stderr] su: No module specific data is present
Nov 30 05:22:03.447 INFO running `"docker" "inspect" "4b1cbde236a958e05ef82664aec90fad42dbd3841c4d19bce3ee026422ce43ab"`
Nov 30 05:22:03.614 INFO running `"docker" "rm" "-f" "4b1cbde236a958e05ef82664aec90fad42dbd3841c4d19bce3ee026422ce43ab"`
Nov 30 05:22:03.772 INFO [stdout] 4b1cbde236a958e05ef82664aec90fad42dbd3841c4d19bce3ee026422ce43ab