[INFO] cloning repository tlrobrn/one_d
[INFO] running `"git" "clone" "--bare" "git://github.com/tlrobrn/one_d.git" "work/cache/sources/gh/tlrobrn/one_d"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tlrobrn/one_d'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tlrobrn/one_d" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tlrobrn/one_d"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tlrobrn/one_d'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tlrobrn/one_d" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tlrobrn/one_d"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tlrobrn/one_d'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 87b8d21bd676042fa69258019a4ab2018f54a6f4
[INFO] sha for GitHub repo tlrobrn/one_d: 87b8d21bd676042fa69258019a4ab2018f54a6f4
[INFO] validating manifest of tlrobrn/one_d on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tlrobrn/one_d on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tlrobrn/one_d
[INFO] finished frobbing tlrobrn/one_d
[INFO] frobbed toml for tlrobrn/one_d written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tlrobrn/one_d/Cargo.toml
[INFO] started frobbing tlrobrn/one_d
[INFO] finished frobbing tlrobrn/one_d
[INFO] frobbed toml for tlrobrn/one_d written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tlrobrn/one_d/Cargo.toml
[INFO] crate tlrobrn/one_d already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glutin v0.7.2
[INFO] [stderr]   Downloaded serde v0.8.22
[INFO] [stderr]   Downloaded winit v0.5.8
[INFO] [stderr]   Downloaded image v0.12.1
[INFO] [stderr]   Downloaded gleam v0.2.31
[INFO] [stderr]   Downloaded siphasher v0.2.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.37.0
[INFO] [stderr]   Downloaded deflate v0.7.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tlrobrn/one_d against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tlrobrn/one_d:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 93e72fd81c35a29e2932b048de4e6ad6743f1d211ef2ab9d49fbd69836557f2e
[INFO] running `"docker" "start" "-a" "93e72fd81c35a29e2932b048de4e6ad6743f1d211ef2ab9d49fbd69836557f2e"`
[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/crater/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/crater/workdir/src/main.rs` was erroneously implicitly accepted for binary `oned`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling siphasher v0.2.0
[INFO] [stderr]    Compiling serde v0.8.22
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.1.0
[INFO] [stderr]    Compiling deflate v0.7.2
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling pistoncore-event_loop v0.27.0
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling piston v0.27.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling image v0.12.1
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.37.0
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.7.6
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling wayland-kbd v0.6.2
[INFO] [stderr]    Compiling wayland-window v0.4.3
[INFO] [stderr]    Compiling winit v0.5.8
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.33.0
[INFO] [stderr]    Compiling one_d v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/maze.rs:191:28
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn try_wall(&mut self, mut dsets: &mut DisjointSets, index: usize, is_east: bool) {
[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: the item `Key` is imported redundantly
[INFO] [stderr]    --> src/main.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 13  | use piston::input::*;
[INFO] [stderr]     |     ---------------- the item `Key` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 132 |         use piston::input::keyboard::Key;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `"docker" "inspect" "93e72fd81c35a29e2932b048de4e6ad6743f1d211ef2ab9d49fbd69836557f2e"`
[INFO] running `"docker" "rm" "-f" "93e72fd81c35a29e2932b048de4e6ad6743f1d211ef2ab9d49fbd69836557f2e"`
[INFO] [stdout] 93e72fd81c35a29e2932b048de4e6ad6743f1d211ef2ab9d49fbd69836557f2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tlrobrn/one_d:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e4f34acab66cdf2ce0c4b56f01d3057737d3f015cefacf53586dee0e5d5eed5b
[INFO] running `"docker" "start" "-a" "e4f34acab66cdf2ce0c4b56f01d3057737d3f015cefacf53586dee0e5d5eed5b"`
[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/crater/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/crater/workdir/src/main.rs` was erroneously implicitly accepted for binary `oned`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling one_d v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/maze.rs:191:28
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn try_wall(&mut self, mut dsets: &mut DisjointSets, index: usize, is_east: bool) {
[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: the item `Key` is imported redundantly
[INFO] [stderr]    --> src/main.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 13  | use piston::input::*;
[INFO] [stderr]     |     ---------------- the item `Key` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 132 |         use piston::input::keyboard::Key;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "e4f34acab66cdf2ce0c4b56f01d3057737d3f015cefacf53586dee0e5d5eed5b"`
[INFO] running `"docker" "rm" "-f" "e4f34acab66cdf2ce0c4b56f01d3057737d3f015cefacf53586dee0e5d5eed5b"`
[INFO] [stdout] e4f34acab66cdf2ce0c4b56f01d3057737d3f015cefacf53586dee0e5d5eed5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tlrobrn/one_d:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 061eafbe91a44882d99bc1994c3ed0a9d84352de7996340655a3ada2aa58df54
[INFO] running `"docker" "start" "-a" "061eafbe91a44882d99bc1994c3ed0a9d84352de7996340655a3ada2aa58df54"`
[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/crater/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/crater/workdir/src/main.rs` was erroneously implicitly accepted for binary `oned`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/one_d-b493b33be9303bb2
[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] [stderr]      Running /opt/crater/target/debug/deps/oned-251e1051c0365ca4
[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] [stderr]    Doc-tests one_d
[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" "061eafbe91a44882d99bc1994c3ed0a9d84352de7996340655a3ada2aa58df54"`
[INFO] running `"docker" "rm" "-f" "061eafbe91a44882d99bc1994c3ed0a9d84352de7996340655a3ada2aa58df54"`
[INFO] [stdout] 061eafbe91a44882d99bc1994c3ed0a9d84352de7996340655a3ada2aa58df54