[INFO] cloning repository marcbreitung/problem-map-generator-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/marcbreitung/problem-map-generator-rust.git" "work/cache/sources/gh/marcbreitung/problem-map-generator-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/marcbreitung/problem-map-generator-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/marcbreitung/problem-map-generator-rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/marcbreitung/problem-map-generator-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/marcbreitung/problem-map-generator-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marcbreitung/problem-map-generator-rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/marcbreitung/problem-map-generator-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/marcbreitung/problem-map-generator-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e354237c833a9b9f15d0a2f9c757a86d6bcd8c99
[INFO] sha for GitHub repo marcbreitung/problem-map-generator-rust: e354237c833a9b9f15d0a2f9c757a86d6bcd8c99
[INFO] validating manifest of marcbreitung/problem-map-generator-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 marcbreitung/problem-map-generator-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 marcbreitung/problem-map-generator-rust
[INFO] finished frobbing marcbreitung/problem-map-generator-rust
[INFO] frobbed toml for marcbreitung/problem-map-generator-rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/marcbreitung/problem-map-generator-rust/Cargo.toml
[INFO] started frobbing marcbreitung/problem-map-generator-rust
[INFO] finished frobbing marcbreitung/problem-map-generator-rust
[INFO] frobbed toml for marcbreitung/problem-map-generator-rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/marcbreitung/problem-map-generator-rust/Cargo.toml
[INFO] crate marcbreitung/problem-map-generator-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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing marcbreitung/problem-map-generator-rust against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/marcbreitung/problem-map-generator-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 7cd39b577e1a106ecacbab9c9d6643e7aa7bf56810e5eb47b05a80690b7fea1e
[INFO] running `"docker" "start" "-a" "7cd39b577e1a106ecacbab9c9d6643e7aa7bf56810e5eb47b05a80690b7fea1e"`
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling problem_map_generator v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut neighbours = get_neighbours(&leaves, &leave);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `"docker" "inspect" "7cd39b577e1a106ecacbab9c9d6643e7aa7bf56810e5eb47b05a80690b7fea1e"`
[INFO] running `"docker" "rm" "-f" "7cd39b577e1a106ecacbab9c9d6643e7aa7bf56810e5eb47b05a80690b7fea1e"`
[INFO] [stdout] 7cd39b577e1a106ecacbab9c9d6643e7aa7bf56810e5eb47b05a80690b7fea1e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/marcbreitung/problem-map-generator-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] de1f94080eccb9c3d69e9ea95cb3ecfeee8ea3742e35d75233a2f8fdbd35fd64
[INFO] running `"docker" "start" "-a" "de1f94080eccb9c3d69e9ea95cb3ecfeee8ea3742e35d75233a2f8fdbd35fd64"`
[INFO] [stderr]    Compiling problem_map_generator v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut neighbours = get_neighbours(&leaves, &leave);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "de1f94080eccb9c3d69e9ea95cb3ecfeee8ea3742e35d75233a2f8fdbd35fd64"`
[INFO] running `"docker" "rm" "-f" "de1f94080eccb9c3d69e9ea95cb3ecfeee8ea3742e35d75233a2f8fdbd35fd64"`
[INFO] [stdout] de1f94080eccb9c3d69e9ea95cb3ecfeee8ea3742e35d75233a2f8fdbd35fd64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/marcbreitung/problem-map-generator-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] e72c8c70398253b0370a305ab524e72c551d569813533a524882e8f9454ed8e6
[INFO] running `"docker" "start" "-a" "e72c8c70398253b0370a305ab524e72c551d569813533a524882e8f9454ed8e6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/problem_map_generator-4db32026756bb9a5
[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" "e72c8c70398253b0370a305ab524e72c551d569813533a524882e8f9454ed8e6"`
[INFO] running `"docker" "rm" "-f" "e72c8c70398253b0370a305ab524e72c551d569813533a524882e8f9454ed8e6"`
[INFO] [stdout] e72c8c70398253b0370a305ab524e72c551d569813533a524882e8f9454ed8e6