[INFO] crate stateright 0.3.0 is already in cache
[INFO] extracting crate stateright 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/stateright/0.3.0
[INFO] extracting crate stateright 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stateright/0.3.0
[INFO] validating manifest of stateright-0.3.0 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 stateright-0.3.0 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 stateright-0.3.0
[INFO] finished frobbing stateright-0.3.0
[INFO] frobbed toml for stateright-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stateright/0.3.0/Cargo.toml
[INFO] started frobbing stateright-0.3.0
[INFO] finished frobbing stateright-0.3.0
[INFO] frobbed toml for stateright-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stateright/0.3.0/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing stateright-0.3.0 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-0/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/stateright/0.3.0:/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] ca3be1dcd861015af99599d18ac43bd76cc9fa6ab49c30d81e14011b3c2d3ba0
[INFO] running `"docker" "start" "-a" "ca3be1dcd861015af99599d18ac43bd76cc9fa6ab49c30d81e14011b3c2d3ba0"`
[INFO] [stderr]    Compiling stateright v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:454:16
[INFO] [stderr]     |
[INFO] [stderr] 454 | fn diff(last: &Debug, next: &Debug) -> String {
[INFO] [stderr]     |                ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:454:30
[INFO] [stderr]     |
[INFO] [stderr] 454 | fn diff(last: &Debug, next: &Debug) -> String {
[INFO] [stderr]     |                              ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/actor/mod.rs:388:33
[INFO] [stderr]     |
[INFO] [stderr] 388 |                             let mut invert = |x: String| format!("\x1B[7m{}\x1B[0m", x);
[INFO] [stderr]     |                                 ----^^^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "ca3be1dcd861015af99599d18ac43bd76cc9fa6ab49c30d81e14011b3c2d3ba0"`
[INFO] running `"docker" "rm" "-f" "ca3be1dcd861015af99599d18ac43bd76cc9fa6ab49c30d81e14011b3c2d3ba0"`
[INFO] [stdout] ca3be1dcd861015af99599d18ac43bd76cc9fa6ab49c30d81e14011b3c2d3ba0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/stateright/0.3.0:/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] 13a8c39f32127a058bb44ff403ff9c4482062883f0ba80aa42fda6903db031f2
[INFO] running `"docker" "start" "-a" "13a8c39f32127a058bb44ff403ff9c4482062883f0ba80aa42fda6903db031f2"`
[INFO] [stderr]    Compiling stateright v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:454:16
[INFO] [stderr]     |
[INFO] [stderr] 454 | fn diff(last: &Debug, next: &Debug) -> String {
[INFO] [stderr]     |                ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:454:30
[INFO] [stderr]     |
[INFO] [stderr] 454 | fn diff(last: &Debug, next: &Debug) -> String {
[INFO] [stderr]     |                              ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/actor/mod.rs:388:33
[INFO] [stderr]     |
[INFO] [stderr] 388 |                             let mut invert = |x: String| format!("\x1B[7m{}\x1B[0m", x);
[INFO] [stderr]     |                                 ----^^^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.97s
[INFO] running `"docker" "inspect" "13a8c39f32127a058bb44ff403ff9c4482062883f0ba80aa42fda6903db031f2"`
[INFO] running `"docker" "rm" "-f" "13a8c39f32127a058bb44ff403ff9c4482062883f0ba80aa42fda6903db031f2"`
[INFO] [stdout] 13a8c39f32127a058bb44ff403ff9c4482062883f0ba80aa42fda6903db031f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/stateright/0.3.0:/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] 3d302d7e7ddfd515b210e693da83b0ac93952638c8cb09f9f939ac9d2e2fc6b4
[INFO] running `"docker" "start" "-a" "3d302d7e7ddfd515b210e693da83b0ac93952638c8cb09f9f939ac9d2e2fc6b4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stateright-7f9745f061d1be62
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::model_check_can_resume_after_failing ... ok
[INFO] [stdout] test test::model_check_can_indicate_path ... ok
[INFO] [stdout] test test::model_check_records_states ... ok
[INFO] [stdout] test test::model_check_can_fail ... ok
[INFO] [stdout] test actor::model::test::visits_expected_states ... ok
[INFO] [stdout] test actor::model::test::can_play_ping_pong ... ok
[INFO] [stdout] test test::model_check_can_pass ... 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 stateright
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] test src/actor/mod.rs - actor (line 6) ... 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" "3d302d7e7ddfd515b210e693da83b0ac93952638c8cb09f9f939ac9d2e2fc6b4"`
[INFO] running `"docker" "rm" "-f" "3d302d7e7ddfd515b210e693da83b0ac93952638c8cb09f9f939ac9d2e2fc6b4"`
[INFO] [stdout] 3d302d7e7ddfd515b210e693da83b0ac93952638c8cb09f9f939ac9d2e2fc6b4