[INFO] updating cached repository https://github.com/sakateka/plt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 367a6f8c57682122c8cc7e9203e64788c5669c9f
[INFO] checking sakateka/plt against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakateka%2Fplt" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sakateka/plt on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sakateka/plt
[INFO] finished tweaking git repo https://github.com/sakateka/plt
[INFO] tweaked toml for git repo https://github.com/sakateka/plt written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sakateka/plt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5c13469c65cc0d0b8e288a86eb8a65e2da571b5e7e16421a18adfa27ab30639d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5c13469c65cc0d0b8e288a86eb8a65e2da571b5e7e16421a18adfa27ab30639d"`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking clap v2.29.1
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling serde_derive_internals v0.22.1
[INFO] [stderr]    Compiling serde_derive v1.0.35
[INFO] [stderr]     Checking plt v5.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dfa.rs:313:36
[INFO] [stderr]     |
[INFO] [stderr] 313 |     pub fn check(&self, input: Box<Read>, show_path: bool) -> io::Result<()> {
[INFO] [stderr]     |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:50
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn get_output_stream(x: Option<&str>) -> Box<Write> {
[INFO] [stderr]    |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:59
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Box::new(File::create(&path).unwrap()) as Box<Write>
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dfa.rs:313:36
[INFO] [stderr]     |
[INFO] [stderr] 313 |     pub fn check(&self, input: Box<Read>, show_path: bool) -> io::Result<()> {
[INFO] [stderr]     |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:47
[INFO] [stderr]    |
[INFO] [stderr] 40 |         None => Box::new(io::stdout()) as Box<Write>,
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:49
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn get_input_stream(x: Option<&str>) -> Box<Read> {
[INFO] [stderr]    |                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:48:59
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Box::new(File::create(&path).unwrap()) as Box<Read>
[INFO] [stderr]    |                                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:50:46
[INFO] [stderr]    |
[INFO] [stderr] 50 |         None => Box::new(io::stdin()) as Box<Read>,
[INFO] [stderr]    |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:50
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn get_output_stream(x: Option<&str>) -> Box<Write> {
[INFO] [stderr]    |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:59
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Box::new(File::create(&path).unwrap()) as Box<Write>
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:47
[INFO] [stderr]    |
[INFO] [stderr] 40 |         None => Box::new(io::stdout()) as Box<Write>,
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:49
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn get_input_stream(x: Option<&str>) -> Box<Read> {
[INFO] [stderr]    |                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:48:59
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Box::new(File::create(&path).unwrap()) as Box<Read>
[INFO] [stderr]    |                                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:50:46
[INFO] [stderr]    |
[INFO] [stderr] 50 |         None => Box::new(io::stdin()) as Box<Read>,
[INFO] [stderr]    |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/pda.rs:336:70
[INFO] [stderr]     |
[INFO] [stderr] 336 |             Err(err) => Err(io::Error::new(io::ErrorKind::Other, err.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/pda.rs:336:70
[INFO] [stderr]     |
[INFO] [stderr] 336 |             Err(err) => Err(io::Error::new(io::ErrorKind::Other, err.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/pdt.rs:344:70
[INFO] [stderr]     |
[INFO] [stderr] 344 |             Err(err) => Err(io::Error::new(io::ErrorKind::Other, err.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sdt`
[INFO] [stderr]    --> src/cfg.rs:246:41
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn parse_production(line: &str, sdt: bool) -> io::Result<Vec<Production>> {
[INFO] [stderr]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_sdt`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cfg`
[INFO] [stderr]    --> src/cfg.rs:695:13
[INFO] [stderr]     |
[INFO] [stderr] 695 |         let cfg = cfg.eliminate_left_recursion();
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stderr]   --> src/sdt.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let rules: SDTRules = match serde_yaml::from_reader(r) {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/pdt.rs:344:70
[INFO] [stderr]     |
[INFO] [stderr] 344 |             Err(err) => Err(io::Error::new(io::ErrorKind::Other, err.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:224:13
[INFO] [stderr]     |
[INFO] [stderr] 224 |         let mut dpda_design = DPDADesign::load(dpda_spec).unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:255:13
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let mut dpdt_design = DPDTDesign::load(dpdt_spec).unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sdt`
[INFO] [stderr]    --> src/cfg.rs:246:41
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn parse_production(line: &str, sdt: bool) -> io::Result<Vec<Production>> {
[INFO] [stderr]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_sdt`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cfg`
[INFO] [stderr]    --> src/cfg.rs:695:13
[INFO] [stderr]     |
[INFO] [stderr] 695 |         let cfg = cfg.eliminate_left_recursion();
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stderr]   --> src/sdt.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let rules: SDTRules = match serde_yaml::from_reader(r) {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cfg.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |             let mut text = line?;
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cfg.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut prod = Production::new(left.clone(), symbols);
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:224:13
[INFO] [stderr]     |
[INFO] [stderr] 224 |         let mut dpda_design = DPDADesign::load(dpda_spec).unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:255:13
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let mut dpdt_design = DPDTDesign::load(dpdt_spec).unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cfg.rs:450:17
[INFO] [stderr]     |
[INFO] [stderr] 450 |             let mut set = unit_sets.get_mut(nonterm).unwrap();
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cfg.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |             let mut text = line?;
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cfg.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut prod = Production::new(left.clone(), symbols);
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cfg.rs:450:17
[INFO] [stderr]     |
[INFO] [stderr] 450 |             let mut set = unit_sets.get_mut(nonterm).unwrap();
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_sdt`
[INFO] [stderr]    --> src/cfg.rs:210:5
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub fn load_sdt(input_path: &str) -> io::Result<CFG> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_sdt_from_reader`
[INFO] [stderr]    --> src/cfg.rs:219:5
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn load_sdt_from_reader<R: Sized + BufRead>(r: R) -> io::Result<CFG> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `greibach`
[INFO] [stderr]    --> src/cfg.rs:693:5
[INFO] [stderr]     |
[INFO] [stderr] 693 |     pub fn greibach(&self) -> CFG {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eliminate_left_recursion`
[INFO] [stderr]    --> src/cfg.rs:699:5
[INFO] [stderr]     |
[INFO] [stderr] 699 |     pub fn eliminate_left_recursion(&self) -> CFG {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]   --> src/sdt.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn load(input_path: &str) -> io::Result<SDT> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_from_reader`
[INFO] [stderr]   --> src/sdt.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     pub fn load_from_reader<R: ?Sized + BufRead>(r: R) -> io::Result<SDT>
[INFO] [stderr] 31 | |     where
[INFO] [stderr] 32 | |         R: ::std::marker::Sized,
[INFO] [stderr] 33 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |         })
[INFO] [stderr] 41 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_sdt`
[INFO] [stderr]    --> src/cfg.rs:210:5
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub fn load_sdt(input_path: &str) -> io::Result<CFG> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_sdt_from_reader`
[INFO] [stderr]    --> src/cfg.rs:219:5
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn load_sdt_from_reader<R: Sized + BufRead>(r: R) -> io::Result<CFG> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `greibach`
[INFO] [stderr]    --> src/cfg.rs:693:5
[INFO] [stderr]     |
[INFO] [stderr] 693 |     pub fn greibach(&self) -> CFG {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eliminate_left_recursion`
[INFO] [stderr]    --> src/cfg.rs:699:5
[INFO] [stderr]     |
[INFO] [stderr] 699 |     pub fn eliminate_left_recursion(&self) -> CFG {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]   --> src/sdt.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn load(input_path: &str) -> io::Result<SDT> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_from_reader`
[INFO] [stderr]   --> src/sdt.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     pub fn load_from_reader<R: ?Sized + BufRead>(r: R) -> io::Result<SDT>
[INFO] [stderr] 31 | |     where
[INFO] [stderr] 32 | |         R: ::std::marker::Sized,
[INFO] [stderr] 33 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |         })
[INFO] [stderr] 41 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.36s
[INFO] running `"docker" "inspect" "5c13469c65cc0d0b8e288a86eb8a65e2da571b5e7e16421a18adfa27ab30639d"`
[INFO] running `"docker" "rm" "-f" "5c13469c65cc0d0b8e288a86eb8a65e2da571b5e7e16421a18adfa27ab30639d"`
[INFO] [stdout] 5c13469c65cc0d0b8e288a86eb8a65e2da571b5e7e16421a18adfa27ab30639d