[INFO] cloning repository green4free/binary_search_tree
[INFO] running `"git" "clone" "--bare" "git://github.com/green4free/binary_search_tree.git" "work/cache/sources/gh/green4free/binary_search_tree"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/green4free/binary_search_tree'...
[INFO] running `"git" "clone" "work/cache/sources/gh/green4free/binary_search_tree" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/green4free/binary_search_tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/green4free/binary_search_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/green4free/binary_search_tree" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/green4free/binary_search_tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/green4free/binary_search_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8a7034fe1006e71dc5ca5cccc0b05d7cfda50d9
[INFO] sha for GitHub repo green4free/binary_search_tree: c8a7034fe1006e71dc5ca5cccc0b05d7cfda50d9
[INFO] validating manifest of green4free/binary_search_tree 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 green4free/binary_search_tree 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 green4free/binary_search_tree
[INFO] finished frobbing green4free/binary_search_tree
[INFO] frobbed toml for green4free/binary_search_tree written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/green4free/binary_search_tree/Cargo.toml
[INFO] started frobbing green4free/binary_search_tree
[INFO] finished frobbing green4free/binary_search_tree
[INFO] frobbed toml for green4free/binary_search_tree written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/green4free/binary_search_tree/Cargo.toml
[INFO] crate green4free/binary_search_tree 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 green4free/binary_search_tree against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/green4free/binary_search_tree:/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] 2ab6e9d81b78ef4f1568af597834d81096a4459b3667a48e8d8cf2ec8461d5bf
[INFO] running `"docker" "start" "-a" "2ab6e9d81b78ef4f1568af597834d81096a4459b3667a48e8d8cf2ec8461d5bf"`
[INFO] [stderr]    Compiling binary_search_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |             Cons(data, ref left, ref right) => 1 + left.len() + right.len(),
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Cons(data, ref left, ref right) => {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "2ab6e9d81b78ef4f1568af597834d81096a4459b3667a48e8d8cf2ec8461d5bf"`
[INFO] running `"docker" "rm" "-f" "2ab6e9d81b78ef4f1568af597834d81096a4459b3667a48e8d8cf2ec8461d5bf"`
[INFO] [stdout] 2ab6e9d81b78ef4f1568af597834d81096a4459b3667a48e8d8cf2ec8461d5bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/green4free/binary_search_tree:/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] 5b16e66c08c4f2660c0df43695ffc74de148e1572e1556a352338e5c24f162b6
[INFO] running `"docker" "start" "-a" "5b16e66c08c4f2660c0df43695ffc74de148e1572e1556a352338e5c24f162b6"`
[INFO] [stderr]    Compiling binary_search_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |             Cons(data, ref left, ref right) => 1 + left.len() + right.len(),
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Cons(data, ref left, ref right) => {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "5b16e66c08c4f2660c0df43695ffc74de148e1572e1556a352338e5c24f162b6"`
[INFO] running `"docker" "rm" "-f" "5b16e66c08c4f2660c0df43695ffc74de148e1572e1556a352338e5c24f162b6"`
[INFO] [stdout] 5b16e66c08c4f2660c0df43695ffc74de148e1572e1556a352338e5c24f162b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/green4free/binary_search_tree:/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] 9193c0c76a2018c452f11695a32f6764bb3f02ad3d813ca5d0f5705565f67c14
[INFO] running `"docker" "start" "-a" "9193c0c76a2018c452f11695a32f6764bb3f02ad3d813ca5d0f5705565f67c14"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/binary_search_tree-d4e541bb90f874ec
[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" "9193c0c76a2018c452f11695a32f6764bb3f02ad3d813ca5d0f5705565f67c14"`
[INFO] running `"docker" "rm" "-f" "9193c0c76a2018c452f11695a32f6764bb3f02ad3d813ca5d0f5705565f67c14"`
[INFO] [stdout] 9193c0c76a2018c452f11695a32f6764bb3f02ad3d813ca5d0f5705565f67c14