[INFO] crate tetani 0.1.0 is already in cache
[INFO] extracting crate tetani 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tetani/0.1.0
[INFO] extracting crate tetani 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tetani/0.1.0
[INFO] validating manifest of tetani-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tetani-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tetani-0.1.0
[INFO] finished frobbing tetani-0.1.0
[INFO] frobbed toml for tetani-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tetani/0.1.0/Cargo.toml
[INFO] started frobbing tetani-0.1.0
[INFO] finished frobbing tetani-0.1.0
[INFO] frobbed toml for tetani-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tetani/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tetani-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tetani/0.1.0:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] cfec55e87e0fb797ccc7f65192431d240fac09962cd90a0812043de19052248c
[INFO] running `"docker" "start" "-a" "cfec55e87e0fb797ccc7f65192431d240fac09962cd90a0812043de19052248c"`
[INFO] [stderr]    Compiling tetani v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `compare_and`
[INFO] [stderr]    --> src/lib.rs:187:1
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increment_bitvector`
[INFO] [stderr]    --> src/lib.rs:228:1
[INFO] [stderr]     |
[INFO] [stderr] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "cfec55e87e0fb797ccc7f65192431d240fac09962cd90a0812043de19052248c"`
[INFO] running `"docker" "rm" "-f" "cfec55e87e0fb797ccc7f65192431d240fac09962cd90a0812043de19052248c"`
[INFO] [stdout] cfec55e87e0fb797ccc7f65192431d240fac09962cd90a0812043de19052248c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tetani/0.1.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] da0edcac63ddd697ce837a770d45638ec95cf647ef98750974fa122a4b471ddc
[INFO] running `"docker" "start" "-a" "da0edcac63ddd697ce837a770d45638ec95cf647ef98750974fa122a4b471ddc"`
[INFO] [stderr]    Compiling tetani v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `compare_and`
[INFO] [stderr]    --> src/lib.rs:187:1
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn compare_and(bitvector: &Vec<bool>, other: &Vec<bool>) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increment_bitvector`
[INFO] [stderr]    --> src/lib.rs:228:1
[INFO] [stderr]     |
[INFO] [stderr] 228 | fn increment_bitvector(bitvector: &mut Vec<bool>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "da0edcac63ddd697ce837a770d45638ec95cf647ef98750974fa122a4b471ddc"`
[INFO] running `"docker" "rm" "-f" "da0edcac63ddd697ce837a770d45638ec95cf647ef98750974fa122a4b471ddc"`
[INFO] [stdout] da0edcac63ddd697ce837a770d45638ec95cf647ef98750974fa122a4b471ddc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tetani/0.1.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4e5191fd5c112db2f301351fd31b2d9f0c8e467fe8492d699ffd0c9b020d98c2
[INFO] running `"docker" "start" "-a" "4e5191fd5c112db2f301351fd31b2d9f0c8e467fe8492d699ffd0c9b020d98c2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetani-b65ef24567f5defe
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetani-15700e75f22dfe77
[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] [stdout] 
[INFO] [stderr]    Doc-tests tetani
[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] [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" "4e5191fd5c112db2f301351fd31b2d9f0c8e467fe8492d699ffd0c9b020d98c2"`
[INFO] running `"docker" "rm" "-f" "4e5191fd5c112db2f301351fd31b2d9f0c8e467fe8492d699ffd0c9b020d98c2"`
[INFO] [stdout] 4e5191fd5c112db2f301351fd31b2d9f0c8e467fe8492d699ffd0c9b020d98c2