[INFO] updating cached repository https://github.com/johannesg/mandelbrot-rust
[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] a55bd9a6adda09126a760c30cf62fc897fd6fb4c
[INFO] testing johannesg/mandelbrot-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannesg%2Fmandelbrot-rust" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johannesg/mandelbrot-rust 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/johannesg/mandelbrot-rust
[INFO] finished tweaking git repo https://github.com/johannesg/mandelbrot-rust
[INFO] tweaked toml for git repo https://github.com/johannesg/mandelbrot-rust written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/johannesg/mandelbrot-rust 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] f2747bb3b85ed87e2820e847706bea46cf5639bb74a85beab314326a348a1d62
[INFO] running `"docker" "start" "-a" "f2747bb3b85ed87e2820e847706bea46cf5639bb74a85beab314326a348a1d62"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/main.rs` was erroneously implicitly accepted for binary `mandel`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling sdl2-sys v0.24.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling sdl2 v0.24.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling Mandlebrot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `pitch`
[INFO] [stderr]   --> src/main.rs:64:72
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 texture.with_lock(None, |mut screen_buffer: &mut [u8], pitch: usize| {
[INFO] [stderr]    |                                                                        ^^^^^ help: consider prefixing with an underscore: `_pitch`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 renderer.copy(&texture, None, Some(Rect::new(0, 0, WIDTH, HEIGHT)));
[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]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `"docker" "inspect" "f2747bb3b85ed87e2820e847706bea46cf5639bb74a85beab314326a348a1d62"`
[INFO] running `"docker" "rm" "-f" "f2747bb3b85ed87e2820e847706bea46cf5639bb74a85beab314326a348a1d62"`
[INFO] [stdout] f2747bb3b85ed87e2820e847706bea46cf5639bb74a85beab314326a348a1d62
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] a08f0a39352192275f75ef76ba050dee31c68297fd09a33c0a36a07e0262aa18
[INFO] running `"docker" "start" "-a" "a08f0a39352192275f75ef76ba050dee31c68297fd09a33c0a36a07e0262aa18"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/main.rs` was erroneously implicitly accepted for binary `mandel`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling Mandlebrot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `pitch`
[INFO] [stderr]   --> src/main.rs:64:72
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 texture.with_lock(None, |mut screen_buffer: &mut [u8], pitch: usize| {
[INFO] [stderr]    |                                                                        ^^^^^ help: consider prefixing with an underscore: `_pitch`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 renderer.copy(&texture, None, Some(Rect::new(0, 0, WIDTH, HEIGHT)));
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "a08f0a39352192275f75ef76ba050dee31c68297fd09a33c0a36a07e0262aa18"`
[INFO] running `"docker" "rm" "-f" "a08f0a39352192275f75ef76ba050dee31c68297fd09a33c0a36a07e0262aa18"`
[INFO] [stdout] a08f0a39352192275f75ef76ba050dee31c68297fd09a33c0a36a07e0262aa18
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 021a255a419bf51af7dc4ed3d5789d6141b2eae560203b15cefe54bd0681191a
[INFO] running `"docker" "start" "-a" "021a255a419bf51af7dc4ed3d5789d6141b2eae560203b15cefe54bd0681191a"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/main.rs` was erroneously implicitly accepted for binary `mandel`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mandel-cd8e75c4012c88a5
[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" "021a255a419bf51af7dc4ed3d5789d6141b2eae560203b15cefe54bd0681191a"`
[INFO] running `"docker" "rm" "-f" "021a255a419bf51af7dc4ed3d5789d6141b2eae560203b15cefe54bd0681191a"`
[INFO] [stdout] 021a255a419bf51af7dc4ed3d5789d6141b2eae560203b15cefe54bd0681191a