[INFO] cloning repository cdacos/djikstra_in_rust
[INFO] running `"git" "clone" "--bare" "git://github.com/cdacos/djikstra_in_rust.git" "work/cache/sources/gh/cdacos/djikstra_in_rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cdacos/djikstra_in_rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/cdacos/djikstra_in_rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/cdacos/djikstra_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/cdacos/djikstra_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cdacos/djikstra_in_rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/cdacos/djikstra_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/cdacos/djikstra_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6763fb352669d71779ce24960533d99d66ff822b
[INFO] sha for GitHub repo cdacos/djikstra_in_rust: 6763fb352669d71779ce24960533d99d66ff822b
[INFO] validating manifest of cdacos/djikstra_in_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 cdacos/djikstra_in_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 cdacos/djikstra_in_rust
[INFO] finished frobbing cdacos/djikstra_in_rust
[INFO] frobbed toml for cdacos/djikstra_in_rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/cdacos/djikstra_in_rust/Cargo.toml
[INFO] started frobbing cdacos/djikstra_in_rust
[INFO] finished frobbing cdacos/djikstra_in_rust
[INFO] frobbed toml for cdacos/djikstra_in_rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/cdacos/djikstra_in_rust/Cargo.toml
[INFO] crate cdacos/djikstra_in_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 cdacos/djikstra_in_rust against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/cdacos/djikstra_in_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] d283008d0a2f59903765b9f8ffa3a4c70172b2e3d74aee7ecc1d26998159840e
[INFO] running `"docker" "start" "-a" "d283008d0a2f59903765b9f8ffa3a4c70172b2e3d74aee7ecc1d26998159840e"`
[INFO] [stderr]    Compiling djikstra v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 let mut neighbours = adjacencies.get_mut(&edge[0]).expect("?");
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 let mut neighbours = adjacencies.get_mut(&edge[1]).expect("?");
[INFO] [stderr]    |                     ----^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "d283008d0a2f59903765b9f8ffa3a4c70172b2e3d74aee7ecc1d26998159840e"`
[INFO] running `"docker" "rm" "-f" "d283008d0a2f59903765b9f8ffa3a4c70172b2e3d74aee7ecc1d26998159840e"`
[INFO] [stdout] d283008d0a2f59903765b9f8ffa3a4c70172b2e3d74aee7ecc1d26998159840e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/cdacos/djikstra_in_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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 605a3efd6c171700063dd3c2ab8ed065261a217b7faac339a660e95cbc34f9a9
[INFO] running `"docker" "start" "-a" "605a3efd6c171700063dd3c2ab8ed065261a217b7faac339a660e95cbc34f9a9"`
[INFO] [stderr]    Compiling djikstra v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 let mut neighbours = adjacencies.get_mut(&edge[0]).expect("?");
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 let mut neighbours = adjacencies.get_mut(&edge[1]).expect("?");
[INFO] [stderr]    |                     ----^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "605a3efd6c171700063dd3c2ab8ed065261a217b7faac339a660e95cbc34f9a9"`
[INFO] running `"docker" "rm" "-f" "605a3efd6c171700063dd3c2ab8ed065261a217b7faac339a660e95cbc34f9a9"`
[INFO] [stdout] 605a3efd6c171700063dd3c2ab8ed065261a217b7faac339a660e95cbc34f9a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/cdacos/djikstra_in_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" "test" "--frozen"`
[INFO] [stdout] 2dd14fb5e6edf73b38d6d5fe6960f2c84a3060061fe271f7405afbf432032d27
[INFO] running `"docker" "start" "-a" "2dd14fb5e6edf73b38d6d5fe6960f2c84a3060061fe271f7405afbf432032d27"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/djikstra-41e12bdaa67f31d5
[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" "2dd14fb5e6edf73b38d6d5fe6960f2c84a3060061fe271f7405afbf432032d27"`
[INFO] running `"docker" "rm" "-f" "2dd14fb5e6edf73b38d6d5fe6960f2c84a3060061fe271f7405afbf432032d27"`
[INFO] [stdout] 2dd14fb5e6edf73b38d6d5fe6960f2c84a3060061fe271f7405afbf432032d27