[INFO] crate cqrs-todo-core 0.2.1 is already in cache
[INFO] testing cqrs-todo-core-0.2.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate cqrs-todo-core 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cqrs-todo-core 0.2.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cqrs-todo-core 0.2.1
[INFO] finished tweaking crates.io crate cqrs-todo-core 0.2.1
[INFO] tweaked toml for crates.io crate cqrs-todo-core 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c72b90a8ee8e1862fc6623a7dd9f2d50db6cdf90bff8e626de6c4a63056c7a6
[INFO] running `"docker" "start" "-a" "6c72b90a8ee8e1862fc6623a7dd9f2d50db6cdf90bff8e626de6c4a63056c7a6"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cqrs-core v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling cqrs-todo-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/error.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.83s
[INFO] running `"docker" "inspect" "6c72b90a8ee8e1862fc6623a7dd9f2d50db6cdf90bff8e626de6c4a63056c7a6"`
[INFO] running `"docker" "rm" "-f" "6c72b90a8ee8e1862fc6623a7dd9f2d50db6cdf90bff8e626de6c4a63056c7a6"`
[INFO] [stdout] 6c72b90a8ee8e1862fc6623a7dd9f2d50db6cdf90bff8e626de6c4a63056c7a6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c9f22daec8f51def6a261f55a50875a00f87124f3e4677866396d70b339d7a4
[INFO] running `"docker" "start" "-a" "7c9f22daec8f51def6a261f55a50875a00f87124f3e4677866396d70b339d7a4"`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ci_info v0.3.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling ron v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/error.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling console v0.7.7
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling insta v0.10.1
[INFO] [stderr]    Compiling cqrs-proptest v0.3.0
[INFO] [stderr]    Compiling cqrs-todo-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/error.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proptest_helper`
[INFO] [stderr]    --> src/lib.rs:485:58
[INFO] [stderr]     |
[INFO] [stderr] 485 |         use proptest::{prelude::*, prop_oneof, proptest, proptest_helper};
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:6:31
[INFO] [stderr]     |
[INFO] [stderr] 6   | #![warn(unused_import_braces, unused_imports, unused_qualifications)]
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `"docker" "inspect" "7c9f22daec8f51def6a261f55a50875a00f87124f3e4677866396d70b339d7a4"`
[INFO] running `"docker" "rm" "-f" "7c9f22daec8f51def6a261f55a50875a00f87124f3e4677866396d70b339d7a4"`
[INFO] [stdout] 7c9f22daec8f51def6a261f55a50875a00f87124f3e4677866396d70b339d7a4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4adb2b2fd7999a5ea02a90f5c4011aaaa04f0d27f9e26207b3acd0ab3d48e1e
[INFO] running `"docker" "start" "-a" "b4adb2b2fd7999a5ea02a90f5c4011aaaa04f0d27f9e26207b3acd0ab3d48e1e"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/error.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/error.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:60:19
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let err: &error::Error = self;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proptest_helper`
[INFO] [stderr]    --> src/lib.rs:485:58
[INFO] [stderr]     |
[INFO] [stderr] 485 |         use proptest::{prelude::*, prop_oneof, proptest, proptest_helper};
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:6:31
[INFO] [stderr]     |
[INFO] [stderr] 6   | #![warn(unused_import_braces, unused_imports, unused_qualifications)]
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |         f.write_str(err.description())
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cqrs_todo_core-c7942c810e5004ec
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::cancel_reminder_on_default_aggregate ... ok
[INFO] [stdout] test tests::cancel_reminder_on_basic_aggregate ... ok
[INFO] [stdout] test tests::example_event_sequence ... ok
[INFO] [stdout] test tests::ensure_uncompleted_event_stays_same ... ok
[INFO] [stdout] test tests::ensure_completed_event_stays_same ... ok
[INFO] [stdout] test tests::ensure_created_event_stays_same ... ok
[INFO] [stdout] test tests::roundtrip_completed ... ok
[INFO] [stdout] test tests::ensure_reminder_updated_event_stays_same ... ok
[INFO] [stdout] test tests::ensure_reminder_removed_event_stays_same ... ok
[INFO] [stdout] test tests::roundtrip_reminder_updated ... ok
[INFO] [stdout] test tests::roundtrip_reminder_updated_none ... ok
[INFO] [stdout] test tests::ensure_text_updated_event_stays_same ... ok
[INFO] [stdout] test tests::roundtrip_created ... ok
[INFO] [stdout] test tests::roundtrip_description_updated ... ok
[INFO] [stdout] test tests::set_reminder_on_basic_aggregate ... ok
[INFO] [stdout] test tests::roundtrip_uncompleted ... ok
[INFO] [stdout] test tests::property_tests::arbitrary_event_roundtrips_through_serialization ... ok
[INFO] [stdout] test tests::property_tests::can_create_arbitrary_aggregate ... ok
[INFO] [stdout] test tests::property_tests::arbitrary_aggregate_roundtrips_through_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cqrs-todo-core
[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" "b4adb2b2fd7999a5ea02a90f5c4011aaaa04f0d27f9e26207b3acd0ab3d48e1e"`
[INFO] running `"docker" "rm" "-f" "b4adb2b2fd7999a5ea02a90f5c4011aaaa04f0d27f9e26207b3acd0ab3d48e1e"`
[INFO] [stdout] b4adb2b2fd7999a5ea02a90f5c4011aaaa04f0d27f9e26207b3acd0ab3d48e1e