[INFO] updating cached repository https://github.com/chriserin/artbot [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 83be63573eb0fcc5a152fa23f093035b0f467ef5 [INFO] testing chriserin/artbot against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchriserin%2Fartbot" "work/builds/worker-1/source"` [INFO] [stderr] Cloning into 'work/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chriserin/artbot on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/chriserin/artbot [INFO] finished tweaking git repo https://github.com/chriserin/artbot [INFO] tweaked toml for git repo https://github.com/chriserin/artbot written to work/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/chriserin/artbot already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 8c47429e73040a992518cde1e6aea3ddfb115f41616a689b96ef8f850098349f [INFO] running `"docker" "start" "-a" "8c47429e73040a992518cde1e6aea3ddfb115f41616a689b96ef8f850098349f"` [INFO] [stderr] Compiling rayon-core v1.0.2 [INFO] [stderr] Compiling adler32 v1.0.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling num_cpus v1.5.1 [INFO] [stderr] Compiling time v0.1.37 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling base64 v0.5.2 [INFO] [stderr] Compiling gif v0.9.1 [INFO] [stderr] Compiling num-complex v0.1.38 [INFO] [stderr] Compiling idna v0.1.2 [INFO] [stderr] Compiling num-bigint v0.1.39 [INFO] [stderr] Compiling deflate v0.7.11 [INFO] [stderr] Compiling num-rational v0.1.38 [INFO] [stderr] Compiling png v0.7.0 [INFO] [stderr] Compiling rayon v0.7.1 [INFO] [stderr] Compiling url v1.5.0 [INFO] [stderr] Compiling num v0.1.39 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.0/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling hyper v0.10.12 [INFO] [stderr] Compiling jpeg-decoder v0.1.12 [INFO] [stderr] Compiling image v0.13.0 [INFO] [stderr] Compiling iron v0.5.1 [INFO] [stderr] Compiling router v0.5.1 [INFO] [stderr] Compiling artbot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `iron::mime` [INFO] [stderr] --> src/main.rs:158:13 [INFO] [stderr] | [INFO] [stderr] 158 | use iron::mime; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `iron::mime` [INFO] [stderr] --> src/main.rs:170:13 [INFO] [stderr] | [INFO] [stderr] 170 | use iron::mime; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/main.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | let mut r = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `g` is never read [INFO] [stderr] --> src/main.rs:65:17 [INFO] [stderr] | [INFO] [stderr] 65 | let mut g = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> src/main.rs:66:17 [INFO] [stderr] | [INFO] [stderr] 66 | let mut b = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/main.rs:169:29 [INFO] [stderr] | [INFO] [stderr] 169 | fn random_image_handler(req: &mut Request) -> IronResult { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_req` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut x_adjust = xor_rand.gen_range(0.4, 256.0); [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:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let mut y_adjust = xor_rand.gen_range(0.4, 256.0); [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:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let mut color_adjust = xor_rand.gen_range(10.0, 256.0); [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:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut julia_adjustor_x = xor_rand.gen_range(-0.6, 0.6); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:165:9 [INFO] [stderr] | [INFO] [stderr] 165 | image_rgb.save(&mut bytes, image::PNG); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:178:9 [INFO] [stderr] | [INFO] [stderr] 178 | image_rgb.save(&mut bytes, image::PNG); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.30s [INFO] running `"docker" "inspect" "8c47429e73040a992518cde1e6aea3ddfb115f41616a689b96ef8f850098349f"` [INFO] running `"docker" "rm" "-f" "8c47429e73040a992518cde1e6aea3ddfb115f41616a689b96ef8f850098349f"` [INFO] [stdout] 8c47429e73040a992518cde1e6aea3ddfb115f41616a689b96ef8f850098349f [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 551450c8ae7363fa18e565872ab8c8f8a68b274d4e2d5c8d9088ac41f02abb2c [INFO] running `"docker" "start" "-a" "551450c8ae7363fa18e565872ab8c8f8a68b274d4e2d5c8d9088ac41f02abb2c"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling artbot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `iron::mime` [INFO] [stderr] --> src/main.rs:158:13 [INFO] [stderr] | [INFO] [stderr] 158 | use iron::mime; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `iron::mime` [INFO] [stderr] --> src/main.rs:170:13 [INFO] [stderr] | [INFO] [stderr] 170 | use iron::mime; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/main.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | let mut r = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `g` is never read [INFO] [stderr] --> src/main.rs:65:17 [INFO] [stderr] | [INFO] [stderr] 65 | let mut g = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> src/main.rs:66:17 [INFO] [stderr] | [INFO] [stderr] 66 | let mut b = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/main.rs:169:29 [INFO] [stderr] | [INFO] [stderr] 169 | fn random_image_handler(req: &mut Request) -> IronResult { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_req` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut x_adjust = xor_rand.gen_range(0.4, 256.0); [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:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let mut y_adjust = xor_rand.gen_range(0.4, 256.0); [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:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let mut color_adjust = xor_rand.gen_range(10.0, 256.0); [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:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut julia_adjustor_x = xor_rand.gen_range(-0.6, 0.6); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:165:9 [INFO] [stderr] | [INFO] [stderr] 165 | image_rgb.save(&mut bytes, image::PNG); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:178:9 [INFO] [stderr] | [INFO] [stderr] 178 | image_rgb.save(&mut bytes, image::PNG); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `"docker" "inspect" "551450c8ae7363fa18e565872ab8c8f8a68b274d4e2d5c8d9088ac41f02abb2c"` [INFO] running `"docker" "rm" "-f" "551450c8ae7363fa18e565872ab8c8f8a68b274d4e2d5c8d9088ac41f02abb2c"` [INFO] [stdout] 551450c8ae7363fa18e565872ab8c8f8a68b274d4e2d5c8d9088ac41f02abb2c [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"` [INFO] [stdout] 9513d94cdfa00040db2a76b888d122441f0956921a50157a3fe2b532b0ec404d [INFO] running `"docker" "start" "-a" "9513d94cdfa00040db2a76b888d122441f0956921a50157a3fe2b532b0ec404d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/artbot-ecbc4b703eac9de7 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "9513d94cdfa00040db2a76b888d122441f0956921a50157a3fe2b532b0ec404d"` [INFO] running `"docker" "rm" "-f" "9513d94cdfa00040db2a76b888d122441f0956921a50157a3fe2b532b0ec404d"` [INFO] [stdout] 9513d94cdfa00040db2a76b888d122441f0956921a50157a3fe2b532b0ec404d