[INFO] updating cached repository kbsymanz/maze-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kbsymanz/maze-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kbsymanz/maze-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/kbsymanz/maze-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/kbsymanz/maze-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kbsymanz/maze-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/kbsymanz/maze-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/kbsymanz/maze-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a75cd76535d340c6bfca094cbb8801215cbe9072
[INFO] sha for GitHub repo kbsymanz/maze-rust: a75cd76535d340c6bfca094cbb8801215cbe9072
[INFO] validating manifest of kbsymanz/maze-rust on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kbsymanz/maze-rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kbsymanz/maze-rust
[INFO] finished frobbing kbsymanz/maze-rust
[INFO] frobbed toml for kbsymanz/maze-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/kbsymanz/maze-rust/Cargo.toml
[INFO] started frobbing kbsymanz/maze-rust
[INFO] finished frobbing kbsymanz/maze-rust
[INFO] frobbed toml for kbsymanz/maze-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/kbsymanz/maze-rust/Cargo.toml
[INFO] crate kbsymanz/maze-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kbsymanz/maze-rust against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/kbsymanz/maze-rust:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 27b42532f7fb57909e92fbada88018d6fdc0128aca49e49e9bb3c9c5f42d578c
[INFO] running `"docker" "start" "-a" "27b42532f7fb57909e92fbada88018d6fdc0128aca49e49e9bb3c9c5f42d578c"`
[INFO] [stderr]    Compiling cairo-rs v0.1.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.2
[INFO] [stderr]    Compiling gio v0.1.2
[INFO] [stderr]    Compiling gdk v0.5.2
[INFO] [stderr]    Compiling c_vec v1.2.0
[INFO] [stderr]    Compiling gtk v0.1.2
[INFO] [stderr]    Compiling serde v0.9.13
[INFO] [stderr]    Compiling glib-sys v0.3.3
[INFO] [stderr]    Compiling gobject-sys v0.3.3
[INFO] [stderr]    Compiling gio-sys v0.3.3
[INFO] [stderr]    Compiling pango-sys v0.3.3
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.3
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.3
[INFO] [stderr]    Compiling atk-sys v0.3.3
[INFO] [stderr]    Compiling gdk-sys v0.3.3
[INFO] [stderr]    Compiling gtk-sys v0.3.3
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]    Compiling deflate v0.7.6
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling clap v2.23.2
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling syn v0.11.10
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling rusttype v0.2.1
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling nalgebra v0.5.1
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling glib v0.1.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.12
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.13
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling pango v0.1.2
[INFO] [stderr]    Compiling image v0.12.3
[INFO] [stderr]    Compiling imageproc v0.7.0
[INFO] [stderr]    Compiling maze-rust v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `"docker" "inspect" "27b42532f7fb57909e92fbada88018d6fdc0128aca49e49e9bb3c9c5f42d578c"`
[INFO] running `"docker" "rm" "-f" "27b42532f7fb57909e92fbada88018d6fdc0128aca49e49e9bb3c9c5f42d578c"`
[INFO] [stdout] 27b42532f7fb57909e92fbada88018d6fdc0128aca49e49e9bb3c9c5f42d578c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/kbsymanz/maze-rust:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f5ed9a0e70dbb04df46325cf1e58014f6a6cb824e931baa78b2e09f8e201facf
[INFO] running `"docker" "start" "-a" "f5ed9a0e70dbb04df46325cf1e58014f6a6cb824e931baa78b2e09f8e201facf"`
[INFO] [stderr]    Compiling maze-rust v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `kbsymanz_maze::grid`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use kbsymanz_maze::grid;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `main_gui`
[INFO] [stderr]   --> src/main.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 | use kbsymanz_maze::gui::main_gui::{main_gui};
[INFO] [stderr]    |                                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]   --> src/main.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | use clap::{App, Arg};
[INFO] [stderr]    |            ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::collections::HashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `"docker" "inspect" "f5ed9a0e70dbb04df46325cf1e58014f6a6cb824e931baa78b2e09f8e201facf"`
[INFO] running `"docker" "rm" "-f" "f5ed9a0e70dbb04df46325cf1e58014f6a6cb824e931baa78b2e09f8e201facf"`
[INFO] [stdout] f5ed9a0e70dbb04df46325cf1e58014f6a6cb824e931baa78b2e09f8e201facf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/kbsymanz/maze-rust:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 02c275e843cda13de3c034cd37b1d5544a8791c484fe111be9583050907f9c6d
[INFO] running `"docker" "start" "-a" "02c275e843cda13de3c034cd37b1d5544a8791c484fe111be9583050907f9c6d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kbsymanz_maze-4d35882f270ed251
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::get_neighbors_sides ... ok
[INFO] [stdout] test test::get_neighbors_test_corners ... ok
[INFO] [stdout] test test::get_neighbors_middle ... ok
[INFO] [stdout] test test::get_neighbors_invalid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maze-1a22fdc6491d1f2f
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests kbsymanz_maze
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "02c275e843cda13de3c034cd37b1d5544a8791c484fe111be9583050907f9c6d"`
[INFO] running `"docker" "rm" "-f" "02c275e843cda13de3c034cd37b1d5544a8791c484fe111be9583050907f9c6d"`
[INFO] [stdout] 02c275e843cda13de3c034cd37b1d5544a8791c484fe111be9583050907f9c6d