[INFO] cloning repository jeorb/icfp2006
[INFO] running `"git" "clone" "--bare" "git://github.com/jeorb/icfp2006.git" "work/cache/sources/gh/jeorb/icfp2006"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jeorb/icfp2006'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jeorb/icfp2006" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jeorb/icfp2006"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jeorb/icfp2006'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeorb/icfp2006" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jeorb/icfp2006"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jeorb/icfp2006'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d5dce52c26800e02857ae5f260791fef6450b46
[INFO] sha for GitHub repo jeorb/icfp2006: 1d5dce52c26800e02857ae5f260791fef6450b46
[INFO] validating manifest of jeorb/icfp2006 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 jeorb/icfp2006 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 jeorb/icfp2006
[INFO] finished frobbing jeorb/icfp2006
[INFO] frobbed toml for jeorb/icfp2006 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jeorb/icfp2006/Cargo.toml
[INFO] started frobbing jeorb/icfp2006
[INFO] finished frobbing jeorb/icfp2006
[INFO] frobbed toml for jeorb/icfp2006 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jeorb/icfp2006/Cargo.toml
[INFO] crate jeorb/icfp2006 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 jeorb/icfp2006 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jeorb/icfp2006:/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] f544db02a9e86338fe7dbcb24cd93c48b45f71a813fb62a85019b0c62c203fe5
[INFO] running `"docker" "start" "-a" "f544db02a9e86338fe7dbcb24cd93c48b45f71a813fb62a85019b0c62c203fe5"`
[INFO] [stderr]    Compiling icfp2006 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `dump_file` is never read
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut dump_file = "".to_owned();
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "f544db02a9e86338fe7dbcb24cd93c48b45f71a813fb62a85019b0c62c203fe5"`
[INFO] running `"docker" "rm" "-f" "f544db02a9e86338fe7dbcb24cd93c48b45f71a813fb62a85019b0c62c203fe5"`
[INFO] [stdout] f544db02a9e86338fe7dbcb24cd93c48b45f71a813fb62a85019b0c62c203fe5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jeorb/icfp2006:/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] dceddab83fb0dc52018aa351fb11ab2086d1259392a3d76628f2b0e68689b063
[INFO] running `"docker" "start" "-a" "dceddab83fb0dc52018aa351fb11ab2086d1259392a3d76628f2b0e68689b063"`
[INFO] [stderr]    Compiling icfp2006 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `dump_file` is never read
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut dump_file = "".to_owned();
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "dceddab83fb0dc52018aa351fb11ab2086d1259392a3d76628f2b0e68689b063"`
[INFO] running `"docker" "rm" "-f" "dceddab83fb0dc52018aa351fb11ab2086d1259392a3d76628f2b0e68689b063"`
[INFO] [stdout] dceddab83fb0dc52018aa351fb11ab2086d1259392a3d76628f2b0e68689b063
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jeorb/icfp2006:/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] 38bea93d95c89e73713117ef93ce7060d7b1048b6cb3b4dc2d52c0978534dcff
[INFO] running `"docker" "start" "-a" "38bea93d95c89e73713117ef93ce7060d7b1048b6cb3b4dc2d52c0978534dcff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/icfp2006-6abdb3a413162920
[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" "38bea93d95c89e73713117ef93ce7060d7b1048b6cb3b4dc2d52c0978534dcff"`
[INFO] running `"docker" "rm" "-f" "38bea93d95c89e73713117ef93ce7060d7b1048b6cb3b4dc2d52c0978534dcff"`
[INFO] [stdout] 38bea93d95c89e73713117ef93ce7060d7b1048b6cb3b4dc2d52c0978534dcff