[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#d8a5ee01b913730aca7ab44c72c8f2722c0533ff for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkohtoa15%2Fclitc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kohtoa15/clitc on toolchain d8a5ee01b913730aca7ab44c72c8f2722c0533ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26484c0893b1d816109ee707fa18e51d626e521e5592f589734aa93d9fe8d6fa
[INFO] running `Command { std: "docker" "start" "-a" "26484c0893b1d816109ee707fa18e51d626e521e5592f589734aa93d9fe8d6fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26484c0893b1d816109ee707fa18e51d626e521e5592f589734aa93d9fe8d6fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26484c0893b1d816109ee707fa18e51d626e521e5592f589734aa93d9fe8d6fa", kill_on_drop: false }`
[INFO] [stdout] 26484c0893b1d816109ee707fa18e51d626e521e5592f589734aa93d9fe8d6fa
[INFO] checking kohtoa15/clitc against try#d8a5ee01b913730aca7ab44c72c8f2722c0533ff for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkohtoa15%2Fclitc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kohtoa15/clitc on toolchain d8a5ee01b913730aca7ab44c72c8f2722c0533ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f28981e51466e98e0f58712e1fdd5f8028ec63eaa2369bd53c4ae9ab2dceb18
[INFO] running `Command { std: "docker" "start" "-a" "5f28981e51466e98e0f58712e1fdd5f8028ec63eaa2369bd53c4ae9ab2dceb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f28981e51466e98e0f58712e1fdd5f8028ec63eaa2369bd53c4ae9ab2dceb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f28981e51466e98e0f58712e1fdd5f8028ec63eaa2369bd53c4ae9ab2dceb18", kill_on_drop: false }`
[INFO] [stdout] 5f28981e51466e98e0f58712e1fdd5f8028ec63eaa2369bd53c4ae9ab2dceb18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f09b764a9071a559c2bc7344a738e9dd1c8b1b4922c45c1dd14ce38785656bd9
[INFO] running `Command { std: "docker" "start" "-a" "f09b764a9071a559c2bc7344a738e9dd1c8b1b4922c45c1dd14ce38785656bd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking clitc v0.1.0 (/opt/rustwide/workdir)
[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]     |                                                         ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -     pub fn match_with(&self, args: &mut Vec<String>) -> (HashMap<String, ParamValue>) {
[INFO] [stdout] 156 +     pub fn match_with(&self, args: &mut Vec<String>) -> HashMap<String, ParamValue> {
[INFO] [stdout]     |
[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]     |                                 ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 333 -         where F: Fn(&'a str) -> (Vec<String>)
[INFO] [stdout] 333 +         where F: Fn(&'a str) -> Vec<String>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::File` and `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` and `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`, and `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: 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]     |                                                         ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -     pub fn match_with(&self, args: &mut Vec<String>) -> (HashMap<String, ParamValue>) {
[INFO] [stdout] 156 +     pub fn match_with(&self, args: &mut Vec<String>) -> HashMap<String, ParamValue> {
[INFO] [stdout]     |
[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]     |                                 ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 333 -         where F: Fn(&'a str) -> (Vec<String>)
[INFO] [stdout] 333 +         where F: Fn(&'a str) -> Vec<String>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::File` and `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` and `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`, and `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:213:67
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn from_reader<R>(reader: R) -> Result<CliParameters, Box<Error>>
[INFO] [stdout]     |                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn from_reader<R>(reader: R) -> Result<CliParameters, Box<dyn Error>>
[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]    |                                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn from(s: &str) -> Result<SubParamType, Box<dyn Error>> {
[INFO] [stdout]    |                                                      +++
[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]    |                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn from(val: Value) -> Result<SubParam, Box<dyn Error>> {
[INFO] [stdout]    |                                                     +++
[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]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn from(val: Value) -> Result<Param, Box<dyn Error>> {
[INFO] [stdout]     |                                                  +++
[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]     |                                                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn from(val: Value) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                      +++
[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]     |                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn from_str<'a>(data: &'a str) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                                     +++
[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]     |                                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                                        +++
[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]     |                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn from_reader<R>(reader: R) -> Result<CliParameters, Box<dyn Error>>
[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]    |                                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn from(s: &str) -> Result<SubParamType, Box<dyn Error>> {
[INFO] [stdout]    |                                                      +++
[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]    |                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn from(val: Value) -> Result<SubParam, Box<dyn Error>> {
[INFO] [stdout]    |                                                     +++
[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]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn from(val: Value) -> Result<Param, Box<dyn Error>> {
[INFO] [stdout]     |                                                  +++
[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]     |                                                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn from(val: Value) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                      +++
[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]     |                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn from_str<'a>(data: &'a str) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                                     +++
[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]     |                                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                                        +++
[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]     |                                                         ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -     pub fn match_with(&self, args: &mut Vec<String>) -> (HashMap<String, ParamValue>) {
[INFO] [stdout] 156 +     pub fn match_with(&self, args: &mut Vec<String>) -> HashMap<String, ParamValue> {
[INFO] [stdout]     |
[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]     |                                 ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 333 -         where F: Fn(&'a str) -> (Vec<String>)
[INFO] [stdout] 333 +         where F: Fn(&'a str) -> Vec<String>
[INFO] [stdout]     |
[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]     |                                                         ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -     pub fn match_with(&self, args: &mut Vec<String>) -> (HashMap<String, ParamValue>) {
[INFO] [stdout] 156 +     pub fn match_with(&self, args: &mut Vec<String>) -> HashMap<String, ParamValue> {
[INFO] [stdout]     |
[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]     |                                 ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 333 -         where F: Fn(&'a str) -> (Vec<String>)
[INFO] [stdout] 333 +         where F: Fn(&'a str) -> Vec<String>
[INFO] [stdout]     |
[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]     |                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn from_reader<R>(reader: R) -> Result<CliParameters, Box<dyn Error>>
[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]    |                                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn from(s: &str) -> Result<SubParamType, Box<dyn Error>> {
[INFO] [stdout]    |                                                      +++
[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]    |                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn from(val: Value) -> Result<SubParam, Box<dyn Error>> {
[INFO] [stdout]    |                                                     +++
[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]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn from(val: Value) -> Result<Param, Box<dyn Error>> {
[INFO] [stdout]     |                                                  +++
[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]     |                                                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn from(val: Value) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                      +++
[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]     |                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn from_str<'a>(data: &'a str) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                                     +++
[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]     |                                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                                        +++
[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]     |                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn from_reader<R>(reader: R) -> Result<CliParameters, Box<dyn Error>>
[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]    |                                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn from(s: &str) -> Result<SubParamType, Box<dyn Error>> {
[INFO] [stdout]    |                                                      +++
[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]    |                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn from(val: Value) -> Result<SubParam, Box<dyn Error>> {
[INFO] [stdout]    |                                                     +++
[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]     |                                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn from(val: Value) -> Result<Param, Box<dyn Error>> {
[INFO] [stdout]     |                                                  +++
[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]     |                                                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn from(val: Value) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                      +++
[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]     |                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn from_str<'a>(data: &'a str) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                                     +++
[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]     |                                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn from_slice<'a>(data: &'a [u8]) -> Result<CliParameters, Box<dyn Error>> {
[INFO] [stdout]     |                                                                        +++
[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 `Emit` is never constructed
[INFO] [stdout]   --> src/events.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Event<T: Clone, E> {
[INFO] [stdout]    |          ----- variant in this enum
[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 `from_slice` is never used
[INFO] [stdout]    --> src/params.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | impl CliParameters {
[INFO] [stdout]     | ------------------ associated function in this implementation
[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: 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] [stderr] error: could not compile `clitc` (bin "clitc" test); 11 warnings emitted
[INFO] [stdout] warning: variant `Emit` is never constructed
[INFO] [stdout]   --> src/events.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Event<T: Clone, E> {
[INFO] [stdout]    |          ----- variant in this enum
[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] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/d8a5ee01b913730aca7ab44c72c8f2722c0533ff/bin/rustc --crate-name clitc --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=504209af7b3033de -C extra-filename=-7e33f1590feed027 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clitc=/opt/rustwide/target/debug/deps/libclitc-6add37996222e313.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-cba3e32211d60f5d.rmeta --cap-lints=forbid` (exit status: 0)
[INFO] running `Command { std: "docker" "inspect" "f09b764a9071a559c2bc7344a738e9dd1c8b1b4922c45c1dd14ce38785656bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09b764a9071a559c2bc7344a738e9dd1c8b1b4922c45c1dd14ce38785656bd9", kill_on_drop: false }`
[INFO] [stdout] f09b764a9071a559c2bc7344a738e9dd1c8b1b4922c45c1dd14ce38785656bd9