[INFO] updating cached repository chriserin/artbot [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/chriserin/artbot [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/chriserin/artbot" "work/ex/beta-1.37-6/sources/1.36.0/gh/chriserin/artbot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/chriserin/artbot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/chriserin/artbot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/chriserin/artbot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/chriserin/artbot'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 83be63573eb0fcc5a152fa23f093035b0f467ef5 [INFO] sha for GitHub repo chriserin/artbot: 83be63573eb0fcc5a152fa23f093035b0f467ef5 [INFO] validating manifest of chriserin/artbot on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of chriserin/artbot on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing chriserin/artbot [INFO] finished frobbing chriserin/artbot [INFO] frobbed toml for chriserin/artbot written to work/ex/beta-1.37-6/sources/1.36.0/gh/chriserin/artbot/Cargo.toml [INFO] started frobbing chriserin/artbot [INFO] finished frobbing chriserin/artbot [INFO] frobbed toml for chriserin/artbot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/chriserin/artbot/Cargo.toml [INFO] crate chriserin/artbot already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing chriserin/artbot against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/chriserin/artbot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] f1719722b4f825093e8f2de60fbbdeb5c491e2f1aba5977f5dad5253d35d7be3 [INFO] running `"docker" "start" "-a" "f1719722b4f825093e8f2de60fbbdeb5c491e2f1aba5977f5dad5253d35d7be3"` [INFO] [stderr] Compiling version_check v0.1.2 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling idna v0.1.2 [INFO] [stderr] Compiling num-bigint v0.1.39 [INFO] [stderr] Compiling png v0.7.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling num-rational v0.1.38 [INFO] [stderr] Compiling url v1.5.0 [INFO] [stderr] Compiling image v0.13.0 [INFO] [stderr] Compiling num v0.1.39 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/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] [INFO] [stderr] Compiling hyper v0.10.12 [INFO] [stderr] Compiling iron v0.5.1 [INFO] [stderr] Compiling router v0.5.1 [INFO] [stderr] Compiling artbot v0.1.0 (/opt/crater/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 25.96s [INFO] running `"docker" "inspect" "f1719722b4f825093e8f2de60fbbdeb5c491e2f1aba5977f5dad5253d35d7be3"` [INFO] running `"docker" "rm" "-f" "f1719722b4f825093e8f2de60fbbdeb5c491e2f1aba5977f5dad5253d35d7be3"` [INFO] [stdout] f1719722b4f825093e8f2de60fbbdeb5c491e2f1aba5977f5dad5253d35d7be3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/chriserin/artbot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] bc5df203243fe9fe8650ce82abd19ef387a0fe90bb16f25fa5839c48aaab6ead [INFO] running `"docker" "start" "-a" "bc5df203243fe9fe8650ce82abd19ef387a0fe90bb16f25fa5839c48aaab6ead"` [INFO] [stderr] Compiling artbot v0.1.0 (/opt/crater/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 1.67s [INFO] running `"docker" "inspect" "bc5df203243fe9fe8650ce82abd19ef387a0fe90bb16f25fa5839c48aaab6ead"` [INFO] running `"docker" "rm" "-f" "bc5df203243fe9fe8650ce82abd19ef387a0fe90bb16f25fa5839c48aaab6ead"` [INFO] [stdout] bc5df203243fe9fe8650ce82abd19ef387a0fe90bb16f25fa5839c48aaab6ead [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/chriserin/artbot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] b7984682694bd8d45793ee0b271cfc1f2c5206ea8c2ce1266c49a50d277aa8a1 [INFO] running `"docker" "start" "-a" "b7984682694bd8d45793ee0b271cfc1f2c5206ea8c2ce1266c49a50d277aa8a1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/artbot-a8b6db9c09a47d32 [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" "b7984682694bd8d45793ee0b271cfc1f2c5206ea8c2ce1266c49a50d277aa8a1"` [INFO] running `"docker" "rm" "-f" "b7984682694bd8d45793ee0b271cfc1f2c5206ea8c2ce1266c49a50d277aa8a1"` [INFO] [stdout] b7984682694bd8d45793ee0b271cfc1f2c5206ea8c2ce1266c49a50d277aa8a1