[INFO] cloning repository https://github.com/kohtoa15/clitc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kohtoa15/clitc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkohtoa15%2Fclitc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkohtoa15%2Fclitc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 172017a7d5a7493089893ab7fc8c051214f4cebd
[INFO] checking kohtoa15/clitc against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkohtoa15%2Fclitc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kohtoa15/clitc on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kohtoa15/clitc
[INFO] finished tweaking git repo https://github.com/kohtoa15/clitc
[INFO] tweaked toml for git repo https://github.com/kohtoa15/clitc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kohtoa15/clitc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7775474d187bdbb745ae4871e697c649f201193890a4fd497985e3dec96578ce
[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" "7775474d187bdbb745ae4871e697c649f201193890a4fd497985e3dec96578ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7775474d187bdbb745ae4871e697c649f201193890a4fd497985e3dec96578ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7775474d187bdbb745ae4871e697c649f201193890a4fd497985e3dec96578ce", kill_on_drop: false }`
[INFO] [stdout] 7775474d187bdbb745ae4871e697c649f201193890a4fd497985e3dec96578ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d31032051dda4884fdf6733ae7177b339dafb7699afd9208f417d438ad9e2a53
[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" "d31032051dda4884fdf6733ae7177b339dafb7699afd9208f417d438ad9e2a53", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking clitc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/params.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn from(s: &str) -> Result<SubParamType, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/params.rs:77:53
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn from(val: Value) -> Result<SubParam, Box<Error>> {
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:129:50
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn from(val: Value) -> Result<Param, Box<Error>> {
[INFO] [stdout]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/params.rs:156:57
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn match_with(&self, args: &mut Vec<String>) -> (HashMap<String, ParamValue>) {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:190:54
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn from(val: Value) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:203:69
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn from_str<'a>(data: &'a str) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:208:72
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:213:67
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn from_reader<R>(reader: R) -> Result<CliParameters, Box<Error>>
[INFO] [stdout]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/params.rs:333:33
[INFO] [stdout]     |
[INFO] [stdout] 333 |         where F: Fn(&'a str) -> (Vec<String>)
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::File`, `time::Instant`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     time::Instant,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 9 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CliParameters`, `ParamValue`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ParamValue,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     CliParameters,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventHandler`, `Event`, `WhitespaceSplitter`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     WhitespaceSplitter,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     EventHandler,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 18 |     Event,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/params.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn from(s: &str) -> Result<SubParamType, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/params.rs:77:53
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn from(val: Value) -> Result<SubParam, Box<Error>> {
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:129:50
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn from(val: Value) -> Result<Param, Box<Error>> {
[INFO] [stdout]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/params.rs:156:57
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn match_with(&self, args: &mut Vec<String>) -> (HashMap<String, ParamValue>) {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:190:54
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn from(val: Value) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:203:69
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn from_str<'a>(data: &'a str) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:208:72
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:213:67
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn from_reader<R>(reader: R) -> Result<CliParameters, Box<Error>>
[INFO] [stdout]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/params.rs:333:33
[INFO] [stdout]     |
[INFO] [stdout] 333 |         where F: Fn(&'a str) -> (Vec<String>)
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::File`, `time::Instant`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     time::Instant,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 9 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CliParameters`, `ParamValue`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ParamValue,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     CliParameters,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventHandler`, `Event`, `WhitespaceSplitter`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     WhitespaceSplitter,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     EventHandler,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 18 |     Event,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/params.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn from(s: &str) -> Result<SubParamType, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/params.rs:77:53
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn from(val: Value) -> Result<SubParam, Box<Error>> {
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:129:50
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn from(val: Value) -> Result<Param, Box<Error>> {
[INFO] [stdout]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/params.rs:156:57
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn match_with(&self, args: &mut Vec<String>) -> (HashMap<String, ParamValue>) {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:190:54
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn from(val: Value) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:203:69
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn from_str<'a>(data: &'a str) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:208:72
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:213:67
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn from_reader<R>(reader: R) -> Result<CliParameters, Box<Error>>
[INFO] [stdout]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/params.rs:333:33
[INFO] [stdout]     |
[INFO] [stdout] 333 |         where F: Fn(&'a str) -> (Vec<String>)
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/params.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn from(s: &str) -> Result<SubParamType, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/params.rs:77:53
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn from(val: Value) -> Result<SubParam, Box<Error>> {
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:129:50
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn from(val: Value) -> Result<Param, Box<Error>> {
[INFO] [stdout]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/params.rs:156:57
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn match_with(&self, args: &mut Vec<String>) -> (HashMap<String, ParamValue>) {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:190:54
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn from(val: Value) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:203:69
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn from_str<'a>(data: &'a str) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:208:72
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/params.rs:213:67
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn from_reader<R>(reader: R) -> Result<CliParameters, Box<Error>>
[INFO] [stdout]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/params.rs:333:33
[INFO] [stdout]     |
[INFO] [stdout] 333 |         where F: Fn(&'a str) -> (Vec<String>)
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `events`
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let events = evt_handler.disattach();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `events`
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let events = evt_handler.disattach();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Emit`
[INFO] [stdout]   --> src/events.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Emit(EmitHandle<E>, Rc<EmitFn<T, E>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_slice`
[INFO] [stdout]    --> src/params.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Emit`
[INFO] [stdout]   --> src/events.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Emit(EmitHandle<E>, Rc<EmitFn<T, E>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_slice`
[INFO] [stdout]    --> src/params.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<Error>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.59s
[INFO] running `Command { std: "docker" "inspect" "d31032051dda4884fdf6733ae7177b339dafb7699afd9208f417d438ad9e2a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31032051dda4884fdf6733ae7177b339dafb7699afd9208f417d438ad9e2a53", kill_on_drop: false }`
[INFO] [stdout] d31032051dda4884fdf6733ae7177b339dafb7699afd9208f417d438ad9e2a53