[INFO] updating cached repository https://github.com/wolfgang/logg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb546eae0a5bc28741c6c31391c7af6a9e21a1fe
[INFO] testing wolfgang/logg against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolfgang%2Flogg" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wolfgang/logg on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wolfgang/logg
[INFO] finished tweaking git repo https://github.com/wolfgang/logg
[INFO] tweaked toml for git repo https://github.com/wolfgang/logg written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/wolfgang/logg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=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" "+beta-2020-06-03" "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] 20afd3a28b7e8bd3001290c8cd042ee0fceaa5dc040964fd9434acfe80affa03
[INFO] running `"docker" "start" "-a" "20afd3a28b7e8bd3001290c8cd042ee0fceaa5dc040964fd9434acfe80affa03"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling colored v1.7.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling logg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cmd/mod.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[String]) -> EmptyBoxedResult`
[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/core/json_db.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stderr]   |                           ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/json_db.rs:16:60
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/core/editor.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/error.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stderr]   |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `log_file`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let log_file = logg::core::LOG_FILE;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.64s
[INFO] running `"docker" "inspect" "20afd3a28b7e8bd3001290c8cd042ee0fceaa5dc040964fd9434acfe80affa03"`
[INFO] running `"docker" "rm" "-f" "20afd3a28b7e8bd3001290c8cd042ee0fceaa5dc040964fd9434acfe80affa03"`
[INFO] [stdout] 20afd3a28b7e8bd3001290c8cd042ee0fceaa5dc040964fd9434acfe80affa03
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=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" "+beta-2020-06-03" "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] 2ed144a038c60c8f5655e643b5290634667aa69d52499eecf6f8267dcccbac74
[INFO] running `"docker" "start" "-a" "2ed144a038c60c8f5655e643b5290634667aa69d52499eecf6f8267dcccbac74"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cmd/mod.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[String]) -> EmptyBoxedResult`
[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/core/json_db.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stderr]   |                           ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/json_db.rs:16:60
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/core/editor.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/error.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stderr]   |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `log_file`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let log_file = logg::core::LOG_FILE;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling pretty_assertions v0.5.1
[INFO] [stderr]    Compiling logg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/rust_functions_test.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn fun_fun(value: i32, f: &Fn(i32) -> i32) -> i32 {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32`
[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]   --> tests/rust_error_handling_test.rs:16:66
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn return_error_as_string(return_error: bool) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `log_file`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let log_file = logg::core::LOG_FILE;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` 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]  --> tests/rust_error_handling_test.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Err(error) =>  error.description().to_string()
[INFO] [stderr]   |                              ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cmd/mod.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[String]) -> EmptyBoxedResult`
[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/core/json_db.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stderr]   |                           ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/json_db.rs:16:60
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/core/editor.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/error.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stderr]   |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `"docker" "inspect" "2ed144a038c60c8f5655e643b5290634667aa69d52499eecf6f8267dcccbac74"`
[INFO] running `"docker" "rm" "-f" "2ed144a038c60c8f5655e643b5290634667aa69d52499eecf6f8267dcccbac74"`
[INFO] [stdout] 2ed144a038c60c8f5655e643b5290634667aa69d52499eecf6f8267dcccbac74
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=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" "+beta-2020-06-03" "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] 65f9057f75e391dfa86d8a376216ad5a7a53d28ee73f19af19cb69c14fd2aeed
[INFO] running `"docker" "start" "-a" "65f9057f75e391dfa86d8a376216ad5a7a53d28ee73f19af19cb69c14fd2aeed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cmd/mod.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[String]) -> EmptyBoxedResult`
[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/core/json_db.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stderr]   |                           ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/json_db.rs:16:60
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/core/editor.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/error.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stderr]   |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cmd/mod.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[String]) -> EmptyBoxedResult`
[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/core/json_db.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stderr]   |                           ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/json_db.rs:16:60
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> src/core/editor.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/error.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stderr]   |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `log_file`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let log_file = logg::core::LOG_FILE;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `log_file`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let log_file = logg::core::LOG_FILE;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/rust_functions_test.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn fun_fun(value: i32, f: &Fn(i32) -> i32) -> i32 {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/rust_error_handling_test.rs:16:66
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn return_error_as_string(return_error: bool) -> Result<i32, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` 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]  --> tests/rust_error_handling_test.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Err(error) =>  error.description().to_string()
[INFO] [stderr]   |                              ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/logg-8f590b00775f12fe
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test core::json_db::test::add_entry_returns_id_of_just_added_entry ... ok
[INFO] [stdout] test core::json_db::test::can_add_entry_to_empty_json ... ok
[INFO] [stdout] test core::json_db::test::can_add_entry_to_existing_category ... ok
[INFO] [stdout] test core::json_entry::test::get_body_as_str_returns_body_as_string_ref ... ok
[INFO] [stdout] test core::json_filter::test::return_matching_entries_that_contain_given_word ... ok
[INFO] [stdout] test core::json_filter::test::search_result_add_entries ... ok
[INFO] [stdout] test core::json_filter::test::search_is_case_insensitive ... ok
[INFO] [stdout] test core::json_filter::test::return_full_input_if_search_is_empty_string ... ok
[INFO] [stdout] test core::json_db::test::replace_entry_replaces_entry_with_given_id_with_given_bidy ... ok
[INFO] [stdout] test core::json_db::test::can_add_second_category ... ok
[INFO] [stdout] test core::json_filter::test::omit_categories_with_no_matching_entries ... ok
[INFO] [stdout] test core::json_filter::test::by_category_returns_empty_result_if_category_does_not_exist ... ok
[INFO] [stdout] test core::json_filter::test::search_result_construction ... ok
[INFO] [stdout] test core::json_filter::test::search_result_is_unique ... ok
[INFO] [stdout] test core::json_entry::test::get_id_returns_id_as_i64 ... ok
[INFO] [stdout] test core::json_filter::test::by_category_returns_category ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/logg-fb01ec4fe2cc658c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 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] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_error_handling_test-0b063a2339c2b565
[INFO] [stdout] running 1 test
[INFO] [stdout] test can_return_error_as_string ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_functions_test-c868912dd87f4be1
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test can_pass_function_as_argument ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_strings_test-572af84f2aa108cd
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test remove_enclosing_quotes ... ok
[INFO] [stdout] test split_by_newlines ... ok
[INFO] [stdout] test join_strings_from_array ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_json_test-d667495fbc0df4d6
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test can_examine_error ... ok
[INFO] [stdout] test can_propagate_error ... ok
[INFO] [stdout] test add_to_array ... ok
[INFO] [stdout] test construct_json_with_macro ... ok
[INFO] [stdout] test test_if_contains_key ... ok
[INFO] [stdout] test convert_json_to_string ... ok
[INFO] [stdout] test from_str_to_untyped ... ok
[INFO] [stdout] test panics_if_json_is_invalid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests logg
[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" "65f9057f75e391dfa86d8a376216ad5a7a53d28ee73f19af19cb69c14fd2aeed"`
[INFO] running `"docker" "rm" "-f" "65f9057f75e391dfa86d8a376216ad5a7a53d28ee73f19af19cb69c14fd2aeed"`
[INFO] [stdout] 65f9057f75e391dfa86d8a376216ad5a7a53d28ee73f19af19cb69c14fd2aeed