[INFO] cloning repository neosmart/pkg-graph
[INFO] running `"git" "clone" "--bare" "git://github.com/neosmart/pkg-graph.git" "work/cache/sources/gh/neosmart/pkg-graph"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/neosmart/pkg-graph'...
[INFO] running `"git" "clone" "work/cache/sources/gh/neosmart/pkg-graph" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/neosmart/pkg-graph"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/neosmart/pkg-graph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/neosmart/pkg-graph" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/neosmart/pkg-graph"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/neosmart/pkg-graph'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b1689806266a18766f7107fd41252cd1ad57e70
[INFO] sha for GitHub repo neosmart/pkg-graph: 3b1689806266a18766f7107fd41252cd1ad57e70
[INFO] validating manifest of neosmart/pkg-graph 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 neosmart/pkg-graph 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 neosmart/pkg-graph
[INFO] finished frobbing neosmart/pkg-graph
[INFO] frobbed toml for neosmart/pkg-graph written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/neosmart/pkg-graph/Cargo.toml
[INFO] started frobbing neosmart/pkg-graph
[INFO] finished frobbing neosmart/pkg-graph
[INFO] frobbed toml for neosmart/pkg-graph written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/neosmart/pkg-graph/Cargo.toml
[INFO] crate neosmart/pkg-graph 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 neosmart/pkg-graph against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/neosmart/pkg-graph:/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] 3da0cf5b9d1ed72cf2c7706974f8ffe7d2e60d516f663f38a824421c88a5cbf6
[INFO] running `"docker" "start" "-a" "3da0cf5b9d1ed72cf2c7706974f8ffe7d2e60d516f663f38a824421c88a5cbf6"`
[INFO] [stderr]    Compiling pkg-graph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 |                         let mut v = entry.get_mut().as_mut().unwrap();
[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 1.70s
[INFO] running `"docker" "inspect" "3da0cf5b9d1ed72cf2c7706974f8ffe7d2e60d516f663f38a824421c88a5cbf6"`
[INFO] running `"docker" "rm" "-f" "3da0cf5b9d1ed72cf2c7706974f8ffe7d2e60d516f663f38a824421c88a5cbf6"`
[INFO] [stdout] 3da0cf5b9d1ed72cf2c7706974f8ffe7d2e60d516f663f38a824421c88a5cbf6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/neosmart/pkg-graph:/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] 51e6c11456d32d8fa2335f45c8bdfed2ef4314bbe72d07b9a086a67f65340a53
[INFO] running `"docker" "start" "-a" "51e6c11456d32d8fa2335f45c8bdfed2ef4314bbe72d07b9a086a67f65340a53"`
[INFO] [stderr]    Compiling pkg-graph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 |                         let mut v = entry.get_mut().as_mut().unwrap();
[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 0.68s
[INFO] running `"docker" "inspect" "51e6c11456d32d8fa2335f45c8bdfed2ef4314bbe72d07b9a086a67f65340a53"`
[INFO] running `"docker" "rm" "-f" "51e6c11456d32d8fa2335f45c8bdfed2ef4314bbe72d07b9a086a67f65340a53"`
[INFO] [stdout] 51e6c11456d32d8fa2335f45c8bdfed2ef4314bbe72d07b9a086a67f65340a53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/neosmart/pkg-graph:/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] e12e08c5fed5454963391f30c1b4de34b6668bbcf08a5cea16458bb84b916d2d
[INFO] running `"docker" "start" "-a" "e12e08c5fed5454963391f30c1b4de34b6668bbcf08a5cea16458bb84b916d2d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pkg_graph-e745d47103453ee1
[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" "e12e08c5fed5454963391f30c1b4de34b6668bbcf08a5cea16458bb84b916d2d"`
[INFO] running `"docker" "rm" "-f" "e12e08c5fed5454963391f30c1b4de34b6668bbcf08a5cea16458bb84b916d2d"`
[INFO] [stdout] e12e08c5fed5454963391f30c1b4de34b6668bbcf08a5cea16458bb84b916d2d