[INFO] cloning repository liv-dumea/Hangman_Rust
[INFO] running `"git" "clone" "--bare" "git://github.com/liv-dumea/Hangman_Rust.git" "work/cache/sources/gh/liv-dumea/Hangman_Rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/liv-dumea/Hangman_Rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/liv-dumea/Hangman_Rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/liv-dumea/Hangman_Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/liv-dumea/Hangman_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/liv-dumea/Hangman_Rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/liv-dumea/Hangman_Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/liv-dumea/Hangman_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cac89f5803731a33466c967b81a7b1162ac35a2a
[INFO] sha for GitHub repo liv-dumea/Hangman_Rust: cac89f5803731a33466c967b81a7b1162ac35a2a
[INFO] validating manifest of liv-dumea/Hangman_Rust 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 liv-dumea/Hangman_Rust 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 liv-dumea/Hangman_Rust
[INFO] finished frobbing liv-dumea/Hangman_Rust
[INFO] frobbed toml for liv-dumea/Hangman_Rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/liv-dumea/Hangman_Rust/Cargo.toml
[INFO] started frobbing liv-dumea/Hangman_Rust
[INFO] finished frobbing liv-dumea/Hangman_Rust
[INFO] frobbed toml for liv-dumea/Hangman_Rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/liv-dumea/Hangman_Rust/Cargo.toml
[INFO] crate liv-dumea/Hangman_Rust 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] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/liv-dumea/Hangman_Rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.12.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.8.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.5.0
[INFO] [stderr]   Downloaded piston_window v0.19.0
[INFO] [stderr]   Downloaded elmesque v0.7.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.8.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.3.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.10.0
[INFO] [stderr]   Downloaded json_io v0.1.2
[INFO] [stderr]   Downloaded gfx v0.7.2
[INFO] [stderr]   Downloaded find_folder v0.2.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing liv-dumea/Hangman_Rust against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/liv-dumea/Hangman_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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 2002b52d057edd25410c3ffe8eab0d1bd9f5d256b391ee9c0897ea6e12756fe5
[INFO] running `"docker" "start" "-a" "2002b52d057edd25410c3ffe8eab0d1bd9f5d256b391ee9c0897ea6e12756fe5"`
[INFO] [stderr]    Compiling khronos_api v0.0.7
[INFO] [stderr]    Compiling find_folder v0.2.0
[INFO] [stderr]    Compiling dlib v0.1.1
[INFO] [stderr]    Compiling json_io v0.1.2
[INFO] [stderr]    Compiling vecmath v0.1.1
[INFO] [stderr]    Compiling gif v0.5.1
[INFO] [stderr]    Compiling petgraph v0.1.18
[INFO] [stderr]    Compiling libz-sys v0.1.9
[INFO] [stderr]    Compiling dylib v0.0.3
[INFO] [stderr] error: `$stype:ty` may be followed by `functions`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:39:11
[INFO] [stderr]    |
[INFO] [stderr] 39 |         $(functions: $(fn $fname: ident($($farg: ty),*) -> $fret:ty),+)|*
[INFO] [stderr]    |           ^^^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$stype:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:40:11
[INFO] [stderr]    |
[INFO] [stderr] 40 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]    |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$fret:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:40:11
[INFO] [stderr]    |
[INFO] [stderr] 40 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]    |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$vargs:ty` may be followed by `...`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:40:55
[INFO] [stderr]    |
[INFO] [stderr] 40 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]    |                                                       ^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$stype:ty` may be followed by `functions`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:66:11
[INFO] [stderr]    |
[INFO] [stderr] 66 |         $(functions: $(fn $fname: ident($($farg: ty),*) -> $fret:ty),+)|*
[INFO] [stderr]    |           ^^^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$stype:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:67:11
[INFO] [stderr]    |
[INFO] [stderr] 67 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]    |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$fret:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:67:11
[INFO] [stderr]    |
[INFO] [stderr] 67 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]    |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$vargs:ty` may be followed by `...`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:67:55
[INFO] [stderr]    |
[INFO] [stderr] 67 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]    |                                                       ^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$stype:ty` may be followed by `functions`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:83:11
[INFO] [stderr]    |
[INFO] [stderr] 83 |         $(functions: $(fn $fname: ident($($farg: ty),*) -> $fret:ty),+)|*
[INFO] [stderr]    |           ^^^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$stype:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:84:11
[INFO] [stderr]    |
[INFO] [stderr] 84 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]    |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$fret:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:84:11
[INFO] [stderr]    |
[INFO] [stderr] 84 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]    |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$vargs:ty` may be followed by `...`, which is not allowed for `ty` fragments
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:84:55
[INFO] [stderr]    |
[INFO] [stderr] 84 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]    |                                                       ^^^ not allowed after `ty` fragments
[INFO] [stderr]    |
[INFO] [stderr]    = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$stype:ty` may be followed by `functions`, which is not allowed for `ty` fragments
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:134:11
[INFO] [stderr]     |
[INFO] [stderr] 134 |         $(functions: $(fn $fname: ident($($farg: ty),*) -> $fret:ty),+)|*
[INFO] [stderr]     |           ^^^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]     |
[INFO] [stderr]     = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$stype:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:135:11
[INFO] [stderr]     |
[INFO] [stderr] 135 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]     |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]     |
[INFO] [stderr]     = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$fret:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:135:11
[INFO] [stderr]     |
[INFO] [stderr] 135 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]     |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]     |
[INFO] [stderr]     = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$vargs:ty` may be followed by `...`, which is not allowed for `ty` fragments
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:135:55
[INFO] [stderr]     |
[INFO] [stderr] 135 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]     |                                                       ^^^ not allowed after `ty` fragments
[INFO] [stderr]     |
[INFO] [stderr]     = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$stype:ty` may be followed by `functions`, which is not allowed for `ty` fragments
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:172:11
[INFO] [stderr]     |
[INFO] [stderr] 172 |         $(functions: $(fn $fname: ident($($farg: ty),*) -> $fret:ty),+)|*
[INFO] [stderr]     |           ^^^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]     |
[INFO] [stderr]     = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$stype:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:173:11
[INFO] [stderr]     |
[INFO] [stderr] 173 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]     |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]     |
[INFO] [stderr]     = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$fret:ty` may be followed by `varargs`, which is not allowed for `ty` fragments
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:173:11
[INFO] [stderr]     |
[INFO] [stderr] 173 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]     |           ^^^^^^^ not allowed after `ty` fragments
[INFO] [stderr]     |
[INFO] [stderr]     = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: `$vargs:ty` may be followed by `...`, which is not allowed for `ty` fragments
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/dlib-0.1.1/src/lib.rs:173:55
[INFO] [stderr]     |
[INFO] [stderr] 173 |         $(varargs: $(fn $vname: ident($($vargs: ty),+ ...) -> $vret: ty),+)|*
[INFO] [stderr]     |                                                       ^^^ not allowed after `ty` fragments
[INFO] [stderr]     |
[INFO] [stderr]     = note: allowed there are: `{`, `[`, `=>`, `,`, `>`, `=`, `:`, `;`, `|`, `as` or `where`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 20 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `dlib`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.1.18/src/graph.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stderr]     |                 ^^^^^^^ multiple `max` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `graph::IndexType`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.1.18/src/graph.rs:28:5
[INFO] [stderr]     |
[INFO] [stderr] 28  |     fn max() -> Self;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: to disambiguate the method call, write `graph::IndexType::max(...)` instead
[INFO] [stderr] note: candidate #2 is defined in the trait `std::cmp::Ord`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::cmp::Ord::max(...)` instead
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.1.18/src/graph.rs:438:17
[INFO] [stderr]     |
[INFO] [stderr] 438 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stderr]     |                 ^^^^^^^ multiple `max` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `graph::IndexType`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.1.18/src/graph.rs:28:5
[INFO] [stderr]     |
[INFO] [stderr] 28  |     fn max() -> Self;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: to disambiguate the method call, write `graph::IndexType::max(...)` instead
[INFO] [stderr] note: candidate #2 is defined in the trait `std::cmp::Ord`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::cmp::Ord::max(...)` instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: Could not compile `petgraph`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2002b52d057edd25410c3ffe8eab0d1bd9f5d256b391ee9c0897ea6e12756fe5"`
[INFO] running `"docker" "rm" "-f" "2002b52d057edd25410c3ffe8eab0d1bd9f5d256b391ee9c0897ea6e12756fe5"`
[INFO] [stdout] 2002b52d057edd25410c3ffe8eab0d1bd9f5d256b391ee9c0897ea6e12756fe5