[INFO] crate crius 0.4.0 is already in cache
[INFO] extracting crate crius 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/crius/0.4.0
[INFO] extracting crate crius 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/crius/0.4.0
[INFO] validating manifest of crius-0.4.0 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 crius-0.4.0 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 crius-0.4.0
[INFO] finished frobbing crius-0.4.0
[INFO] frobbed toml for crius-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/crius/0.4.0/Cargo.toml
[INFO] started frobbing crius-0.4.0
[INFO] finished frobbing crius-0.4.0
[INFO] frobbed toml for crius-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/crius/0.4.0/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] [stderr]     Blocking waiting for file lock on package cache lock
[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 crius-0.4.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/crius/0.4.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c0d6e6346a3999c7766799c440e5cacf86cf7625e0c3f5f220ff38b00a6d602c
[INFO] running `"docker" "start" "-a" "c0d6e6346a3999c7766799c440e5cacf86cf7625e0c3f5f220ff38b00a6d602c"`
[INFO] [stderr]    Compiling crius v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `success_percentage`
[INFO] [stderr]   --> src/circuit_breaker_stats.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn success_percentage(&mut self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `success_nr`
[INFO] [stderr]   --> src/circuit_breaker_stats.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn success_nr(&mut self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "c0d6e6346a3999c7766799c440e5cacf86cf7625e0c3f5f220ff38b00a6d602c"`
[INFO] running `"docker" "rm" "-f" "c0d6e6346a3999c7766799c440e5cacf86cf7625e0c3f5f220ff38b00a6d602c"`
[INFO] [stdout] c0d6e6346a3999c7766799c440e5cacf86cf7625e0c3f5f220ff38b00a6d602c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/crius/0.4.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2f6468566c6ea78cae61ff1cb6f438c1dc1d8b6025bea00d06416bae0e6d4bfd
[INFO] running `"docker" "start" "-a" "2f6468566c6ea78cae61ff1cb6f438c1dc1d8b6025bea00d06416bae0e6d4bfd"`
[INFO] [stderr]    Compiling crius v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `success_percentage`
[INFO] [stderr]   --> src/circuit_breaker_stats.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn success_percentage(&mut self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `success_nr`
[INFO] [stderr]   --> src/circuit_breaker_stats.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn success_nr(&mut self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "2f6468566c6ea78cae61ff1cb6f438c1dc1d8b6025bea00d06416bae0e6d4bfd"`
[INFO] running `"docker" "rm" "-f" "2f6468566c6ea78cae61ff1cb6f438c1dc1d8b6025bea00d06416bae0e6d4bfd"`
[INFO] [stdout] 2f6468566c6ea78cae61ff1cb6f438c1dc1d8b6025bea00d06416bae0e6d4bfd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/crius/0.4.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 408999b9ba00032edc75bb282f63db42c770f92924db228d405e5c41bc126e09
[INFO] running `"docker" "start" "-a" "408999b9ba00032edc75bb282f63db42c770f92924db228d405e5c41bc126e09"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crius-7e42e8d10eaebc29
[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/command_test-d23b9986d6950c08
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test circuit_breaker::runs_command_with_param ... ok
[INFO] [stdout] test circuit_breaker::runs_command_multiple_times ... ok
[INFO] [stdout] test circuit_breaker::returns_fallback_if_circuit_open ... ok
[INFO] [stdout] test circuit_breaker::rejects_command_if_circuit_open ... ok
[INFO] [stdout] test circuit_breaker::returns_fallback_if_err_result_returned ... ok
[INFO] [stdout] test circuit_breaker::runs_command ... ok
[INFO] [stdout] test circuit_breaker::handles_lots_of_calls ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crius
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - command_with_fallback (line 91) ... ok
[INFO] [stdout] test src/lib.rs - command (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "408999b9ba00032edc75bb282f63db42c770f92924db228d405e5c41bc126e09"`
[INFO] running `"docker" "rm" "-f" "408999b9ba00032edc75bb282f63db42c770f92924db228d405e5c41bc126e09"`
[INFO] [stdout] 408999b9ba00032edc75bb282f63db42c770f92924db228d405e5c41bc126e09