[INFO] crate tetani 0.1.0 is already in cache
[INFO] extracting crate tetani 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tetani/0.1.0
[INFO] extracting crate tetani 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tetani/0.1.0
[INFO] validating manifest of tetani-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tetani-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/tetani/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tetani-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a9ea9ce0e69808e264efcd81600bb4c390777a4d4b22a59ac7aeba06d5b0e96e
[INFO] running `"docker" "start" "-a" "a9ea9ce0e69808e264efcd81600bb4c390777a4d4b22a59ac7aeba06d5b0e96e"`
[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 1.91s
[INFO] running `"docker" "inspect" "a9ea9ce0e69808e264efcd81600bb4c390777a4d4b22a59ac7aeba06d5b0e96e"`
[INFO] running `"docker" "rm" "-f" "a9ea9ce0e69808e264efcd81600bb4c390777a4d4b22a59ac7aeba06d5b0e96e"`
[INFO] [stdout] a9ea9ce0e69808e264efcd81600bb4c390777a4d4b22a59ac7aeba06d5b0e96e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e30b72dbbe1db6ca21679a80510a3d1557ee1805049e6c37a1e9e879bbe7a553
[INFO] running `"docker" "start" "-a" "e30b72dbbe1db6ca21679a80510a3d1557ee1805049e6c37a1e9e879bbe7a553"`
[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 1.22s
[INFO] running `"docker" "inspect" "e30b72dbbe1db6ca21679a80510a3d1557ee1805049e6c37a1e9e879bbe7a553"`
[INFO] running `"docker" "rm" "-f" "e30b72dbbe1db6ca21679a80510a3d1557ee1805049e6c37a1e9e879bbe7a553"`
[INFO] [stdout] e30b72dbbe1db6ca21679a80510a3d1557ee1805049e6c37a1e9e879bbe7a553
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5f5714b9d592af7b3e40de1c6cb9e393e3cfbdf606b75f5d89dcb5a73e451031
[INFO] running `"docker" "start" "-a" "5f5714b9d592af7b3e40de1c6cb9e393e3cfbdf606b75f5d89dcb5a73e451031"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetani-83509eede2051e92
[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] [stderr]      Running /opt/crater/target/debug/deps/tetani-361228c9fd065bf5
[INFO] [stderr]    Doc-tests tetani
[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] [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" "5f5714b9d592af7b3e40de1c6cb9e393e3cfbdf606b75f5d89dcb5a73e451031"`
[INFO] running `"docker" "rm" "-f" "5f5714b9d592af7b3e40de1c6cb9e393e3cfbdf606b75f5d89dcb5a73e451031"`
[INFO] [stdout] 5f5714b9d592af7b3e40de1c6cb9e393e3cfbdf606b75f5d89dcb5a73e451031