[INFO] cloning repository https://github.com/wolfgang/logg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wolfgang/logg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolfgang%2Flogg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolfgang%2Flogg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb546eae0a5bc28741c6c31391c7af6a9e21a1fe
[INFO] testing wolfgang/logg against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolfgang%2Flogg" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[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 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53f58e3bb5723d689761555a4f46615d3fba01a8a24668dcc3a1f0011ad299c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53f58e3bb5723d689761555a4f46615d3fba01a8a24668dcc3a1f0011ad299c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53f58e3bb5723d689761555a4f46615d3fba01a8a24668dcc3a1f0011ad299c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f58e3bb5723d689761555a4f46615d3fba01a8a24668dcc3a1f0011ad299c2", kill_on_drop: false }`
[INFO] [stdout] 53f58e3bb5723d689761555a4f46615d3fba01a8a24668dcc3a1f0011ad299c2
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb7cb733c4bd20fe7b275716f571b62a147c616ae1f7407b979fc29074081ae5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb7cb733c4bd20fe7b275716f571b62a147c616ae1f7407b979fc29074081ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling serde v1.0.85
[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] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/core/editor.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stdout]    |                  ^                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 36 -         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stdout] 36 +         .or_else(|error| simple_error(format!("Could not get editor contents: {}", error)))
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cmd/mod.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 - type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stdout] 10 + type CmdFn=&'static dyn Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/core/error.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stdout]   |                                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stdout] 4 + pub type BoxedResult<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/core/json_db.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 -     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stdout] 7 +     get_timestamp_fn: &'a dyn Fn() -> i64
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/json_db.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stdout] 16 +     fn _new(json: serde_json::Value, get_timestamp_fn: &'a dyn Fn() -> i64) -> JsonDB<'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `log_file`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let log_file = logg::core::LOG_FILE;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.91s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb7cb733c4bd20fe7b275716f571b62a147c616ae1f7407b979fc29074081ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7cb733c4bd20fe7b275716f571b62a147c616ae1f7407b979fc29074081ae5", kill_on_drop: false }`
[INFO] [stdout] fb7cb733c4bd20fe7b275716f571b62a147c616ae1f7407b979fc29074081ae5
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f685dfb55cc55b02082cba9609d7e44cbc2900899d65a13ef7a808adbc219cac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f685dfb55cc55b02082cba9609d7e44cbc2900899d65a13ef7a808adbc219cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretty_assertions v0.5.1
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/core/editor.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stdout]    |                  ^                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 36 -         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stdout] 36 +         .or_else(|error| simple_error(format!("Could not get editor contents: {}", error)))
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cmd/mod.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 - type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stdout] 10 + type CmdFn=&'static dyn Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/core/error.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stdout]   |                                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stdout] 4 + pub type BoxedResult<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/core/json_db.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 -     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stdout] 7 +     get_timestamp_fn: &'a dyn Fn() -> i64
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/json_db.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stdout] 16 +     fn _new(json: serde_json::Value, get_timestamp_fn: &'a dyn Fn() -> i64) -> JsonDB<'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `log_file`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let log_file = logg::core::LOG_FILE;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling logg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/rust_functions_test.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn fun_fun(value: i32, f: &Fn(i32) -> i32) -> i32 {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 - fn fun_fun(value: i32, f: &Fn(i32) -> i32) -> i32 {
[INFO] [stdout] 10 + fn fun_fun(value: i32, f: &dyn Fn(i32) -> i32) -> i32 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `log_file`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let log_file = logg::core::LOG_FILE;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/rust_error_handling_test.rs:16:66
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn return_error_as_string(return_error: bool) -> Result<i32, Box<Error>> {
[INFO] [stdout]    |                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 - fn return_error_as_string(return_error: bool) -> Result<i32, Box<Error>> {
[INFO] [stdout] 16 + fn return_error_as_string(return_error: bool) -> Result<i32, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> tests/rust_error_handling_test.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Err(error) =>  error.description().to_string()
[INFO] [stdout]   |                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/core/editor.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stdout]    |                  ^                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 36 -         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stdout] 36 +         .or_else(|error| simple_error(format!("Could not get editor contents: {}", error)))
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cmd/mod.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 - type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stdout] 10 + type CmdFn=&'static dyn Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/core/error.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stdout]   |                                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stdout] 4 + pub type BoxedResult<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/core/json_db.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 -     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stdout] 7 +     get_timestamp_fn: &'a dyn Fn() -> i64
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/json_db.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stdout] 16 +     fn _new(json: serde_json::Value, get_timestamp_fn: &'a dyn Fn() -> i64) -> JsonDB<'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "f685dfb55cc55b02082cba9609d7e44cbc2900899d65a13ef7a808adbc219cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f685dfb55cc55b02082cba9609d7e44cbc2900899d65a13ef7a808adbc219cac", kill_on_drop: false }`
[INFO] [stdout] f685dfb55cc55b02082cba9609d7e44cbc2900899d65a13ef7a808adbc219cac
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb32df47c8d7228d1a067ae81ab2049b73205c40961503909486cb4dc7aed085
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cb32df47c8d7228d1a067ae81ab2049b73205c40961503909486cb4dc7aed085", kill_on_drop: false }`
[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]    |                  ^                                                                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 36 -         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stderr] 36 +         .or_else(|error| simple_error(format!("Could not get editor contents: {}", error)))
[INFO] [stderr]    | 
[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]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 - type CmdFn=&'static Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stderr] 10 + type CmdFn=&'static dyn Fn(&[String]) -> EmptyBoxedResult;
[INFO] [stderr]    | 
[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]   |                                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 4 - pub type BoxedResult<T> = Result<T, Box<Error>>;
[INFO] [stderr] 4 + pub type BoxedResult<T> = Result<T, Box<dyn Error>>;
[INFO] [stderr]   | 
[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]   |                           ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 7 -     get_timestamp_fn: &'a Fn() -> i64
[INFO] [stderr] 7 +     get_timestamp_fn: &'a dyn Fn() -> i64
[INFO] [stderr]   | 
[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]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 -     fn _new(json: serde_json::Value, get_timestamp_fn: &'a Fn() -> i64) -> JsonDB<'a> {
[INFO] [stderr] 16 +     fn _new(json: serde_json::Value, get_timestamp_fn: &'a dyn Fn() -> i64) -> JsonDB<'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `logg` (lib) generated 5 warnings
[INFO] [stderr] warning: `logg` (lib test) generated 5 warnings (5 duplicates)
[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: 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]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 - fn fun_fun(value: i32, f: &Fn(i32) -> i32) -> i32 {
[INFO] [stderr] 10 + fn fun_fun(value: i32, f: &dyn Fn(i32) -> i32) -> i32 {
[INFO] [stderr]    | 
[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]    |                                                                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 - fn return_error_as_string(return_error: bool) -> Result<i32, Box<Error>> {
[INFO] [stderr] 16 + fn return_error_as_string(return_error: bool) -> Result<i32, Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `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: `logg` (bin "logg" test) generated 1 warning
[INFO] [stderr] warning: `logg` (test "rust_functions_test") generated 1 warning
[INFO] [stderr] warning: `logg` (bin "logg") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `logg` (test "rust_error_handling_test") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/logg-2a0791b8f9504333)
[INFO] [stdout] running 16 tests
[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_entry_to_empty_json ... ok
[INFO] [stdout] test core::json_db::test::add_entry_returns_id_of_just_added_entry ... ok
[INFO] [stdout] test core::json_entry::test::get_body_as_str_returns_body_as_string_ref ... 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] [stdout] test core::json_filter::test::omit_categories_with_no_matching_entries ... ok
[INFO] [stdout] test core::json_db::test::can_add_entry_to_existing_category ... ok
[INFO] [stdout] test core::json_db::test::can_add_second_category ... 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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/logg-388ab8545cc63579)
[INFO] [stdout] test core::json_filter::test::return_matching_entries_that_contain_given_word ... 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_filter::test::search_result_add_entries ... ok
[INFO] [stdout] test core::json_filter::test::search_result_is_unique ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rust_error_handling_test.rs (/opt/rustwide/target/debug/deps/rust_error_handling_test-6798fab34b052efa)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/rust_functions_test.rs (/opt/rustwide/target/debug/deps/rust_functions_test-8adb792fcabbb210)
[INFO] [stdout] test can_return_error_as_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/rust_strings_test.rs (/opt/rustwide/target/debug/deps/rust_strings_test-9c1f7fb39c35e3fb)
[INFO] [stdout] test can_pass_function_as_argument ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test join_strings_from_array ... ok
[INFO] [stdout] test remove_enclosing_quotes ... ok
[INFO] [stdout] test split_by_newlines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_json_test.rs (/opt/rustwide/target/debug/deps/serde_json_test-f700759d4f4dd48f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test can_examine_error ... ok
[INFO] [stdout] test construct_json_with_macro ... ok
[INFO] [stdout] test from_str_to_untyped ... ok
[INFO] [stdout] test can_propagate_error ... ok
[INFO] [stdout] test add_to_array ... ok
[INFO] [stdout] test test_if_contains_key ... ok
[INFO] [stdout] test convert_json_to_string ... ok
[INFO] [stdout] test panics_if_json_is_invalid - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests logg
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> /opt/rustwide/workdir/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]    |                  ^                                                                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 36 -         .or_else({|error| simple_error(format!("Could not get editor contents: {}", error))})
[INFO] [stderr] 36 +         .or_else(|error| simple_error(format!("Could not get editor contents: {}", error)))
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb32df47c8d7228d1a067ae81ab2049b73205c40961503909486cb4dc7aed085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb32df47c8d7228d1a067ae81ab2049b73205c40961503909486cb4dc7aed085", kill_on_drop: false }`
[INFO] [stdout] cb32df47c8d7228d1a067ae81ab2049b73205c40961503909486cb4dc7aed085