[INFO] crate stateright 0.3.0 is already in cache
[INFO] testing stateright-0.3.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate stateright 0.3.0 into work/builds/worker-10/source
[INFO] validating manifest of crates.io crate stateright 0.3.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate stateright 0.3.0
[INFO] finished tweaking crates.io crate stateright 0.3.0
[INFO] tweaked toml for crates.io crate stateright 0.3.0 written to work/builds/worker-10/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 4e50fe9126c367bb6e1ff5947d0b7cb5c242adfe7d5f4cdceb518ebad805d4ba
[INFO] running `"docker" "start" "-a" "4e50fe9126c367bb6e1ff5947d0b7cb5c242adfe7d5f4cdceb518ebad805d4ba"`
[INFO] [stderr]    Compiling stateright v0.3.0 (/opt/rustwide/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 3.52s
[INFO] running `"docker" "inspect" "4e50fe9126c367bb6e1ff5947d0b7cb5c242adfe7d5f4cdceb518ebad805d4ba"`
[INFO] running `"docker" "rm" "-f" "4e50fe9126c367bb6e1ff5947d0b7cb5c242adfe7d5f4cdceb518ebad805d4ba"`
[INFO] [stdout] 4e50fe9126c367bb6e1ff5947d0b7cb5c242adfe7d5f4cdceb518ebad805d4ba
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 91b3af2175578a9e48ad68b36a714ecae35a9a3d6327292611c2ba5aa8033d7c
[INFO] running `"docker" "start" "-a" "91b3af2175578a9e48ad68b36a714ecae35a9a3d6327292611c2ba5aa8033d7c"`
[INFO] [stderr]    Compiling stateright v0.3.0 (/opt/rustwide/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 8.80s
[INFO] running `"docker" "inspect" "91b3af2175578a9e48ad68b36a714ecae35a9a3d6327292611c2ba5aa8033d7c"`
[INFO] running `"docker" "rm" "-f" "91b3af2175578a9e48ad68b36a714ecae35a9a3d6327292611c2ba5aa8033d7c"`
[INFO] [stdout] 91b3af2175578a9e48ad68b36a714ecae35a9a3d6327292611c2ba5aa8033d7c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d34e6135db973596127d41b0bb5b624926c0aeb31939cc35098b7cffa56e9a06
[INFO] running `"docker" "start" "-a" "d34e6135db973596127d41b0bb5b624926c0aeb31939cc35098b7cffa56e9a06"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stateright-f714721f9985194b
[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/actor/mod.rs - actor (line 6) ... ok
[INFO] [stdout] test src/lib.rs -  (line 10) ... 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" "d34e6135db973596127d41b0bb5b624926c0aeb31939cc35098b7cffa56e9a06"`
[INFO] running `"docker" "rm" "-f" "d34e6135db973596127d41b0bb5b624926c0aeb31939cc35098b7cffa56e9a06"`
[INFO] [stdout] d34e6135db973596127d41b0bb5b624926c0aeb31939cc35098b7cffa56e9a06