[INFO] cloning repository https://github.com/stwen77/interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stwen77/interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstwen77%2Finterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstwen77%2Finterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f29cecd76e3d05ffac6be9e9ef6e26b78af63cc
[INFO] checking stwen77/interpreter against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstwen77%2Finterpreter" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stwen77/interpreter on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stwen77/interpreter
[INFO] finished tweaking git repo https://github.com/stwen77/interpreter
[INFO] tweaked toml for git repo https://github.com/stwen77/interpreter written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/stwen77/interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d125157b93b391c6a7dd1672cec2d9870976f3901444cdec621bb7a97ec498
[INFO] running `Command { std: "docker" "start" "-a" "20d125157b93b391c6a7dd1672cec2d9870976f3901444cdec621bb7a97ec498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d125157b93b391c6a7dd1672cec2d9870976f3901444cdec621bb7a97ec498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d125157b93b391c6a7dd1672cec2d9870976f3901444cdec621bb7a97ec498", kill_on_drop: false }`
[INFO] [stdout] 20d125157b93b391c6a7dd1672cec2d9870976f3901444cdec621bb7a97ec498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 739c97c8af1fcfa45e980b2fce6b43a3fcee58b45c1e1c7dd237a1be2b549938
[INFO] running `Command { std: "docker" "start" "-a" "739c97c8af1fcfa45e980b2fce6b43a3fcee58b45c1e1c7dd237a1be2b549938", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking interpreter v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/module/any.rs (12 fixes)
[INFO] [stderr]        Fixed src/main.rs (3 fixes)
[INFO] [stderr]        Fixed src/module/parser.rs (9 fixes)
[INFO] [stderr]        Fixed src/module/engine.rs (43 fixes)
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:383:23
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let lhs = r#try!(parse_unary(input));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:420:27
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let mut rhs = r#try!(parse_unary(input));
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:429:23
[INFO] [stdout]     |
[INFO] [stdout] 429 |                 rhs = r#try!(parse_binary_operation(input, curr_prec + 1, rhs));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:432:23
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 rhs = r#try!(parse_binary_operation(input, curr_prec, rhs));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:383:23
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let lhs = r#try!(parse_unary(input));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:420:27
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let mut rhs = r#try!(parse_unary(input));
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:429:23
[INFO] [stdout]     |
[INFO] [stdout] 429 |                 rhs = r#try!(parse_binary_operation(input, curr_prec + 1, rhs));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:432:23
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 rhs = r#try!(parse_binary_operation(input, curr_prec, rhs));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:378:33
[INFO] [stdout]     |
[INFO] [stdout] 378 | ...                   Err(x) => return Err(x),
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |                     Err(x) => return Err(x),
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:411:13
[INFO] [stdout]     |
[INFO] [stdout] 411 |             _ => Err(()),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/module/engine.rs:436:25
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 let mut x: Result<Box<dyn Any>, ()> = Ok(Box::new(()));
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:378:33
[INFO] [stdout]     |
[INFO] [stdout] 378 | ...                   Err(x) => return Err(x),
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |                     Err(x) => return Err(x),
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:411:13
[INFO] [stdout]     |
[INFO] [stdout] 411 |             _ => Err(()),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/module/engine.rs:436:25
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 let mut x: Result<Box<dyn Any>, ()> = Ok(Box::new(()));
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `box_clone`
[INFO] [stdout]   --> src/module/any.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn box_clone(&self) -> Box<dyn Any> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TempStub`
[INFO] [stdout]   --> src/module/parser.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     TempStub,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CharConst`
[INFO] [stdout]   --> src/module/parser.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     CharConst(char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Divide`
[INFO] [stdout]   --> src/module/parser.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Divide,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivideAssign`
[INFO] [stdout]   --> src/module/parser.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     DivideAssign,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     engine_vm.call_fn("test".to_string(), vec![&mut a, &mut b, &mut c]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         engine_vm.eval_file::<()>(&fname);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/module/engine.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         self.functions
[INFO] [stdout] 49 | |             .get(&spec)
[INFO] [stdout] 50 | |             .ok_or(())
[INFO] [stdout] 51 | |             .and_then(move |f| match **f {
[INFO] [stdout] 52 | |                 FnIntExt::Ext(ref f) => f(args),
[INFO] [stdout] 53 | |                 FnIntExt::Int(ref _f) => Err(()),
[INFO] [stdout] 54 | |             });
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/module/engine.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 self.eval::<T>(&mut contents);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:610:17
[INFO] [stdout]     |
[INFO] [stdout] 610 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:611:17
[INFO] [stdout]     |
[INFO] [stdout] 611 |             let Q = ((*drain.next().unwrap()).downcast_mut() as Option<&mut Q>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:612:17
[INFO] [stdout]     |
[INFO] [stdout] 612 |             let R = ((*drain.next().unwrap()).downcast_mut() as Option<&mut R>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:637:17
[INFO] [stdout]     |
[INFO] [stdout] 637 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:638:17
[INFO] [stdout]     |
[INFO] [stdout] 638 |             let Q = ((*drain.next().unwrap()).downcast_mut() as Option<&mut Q>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:658:17
[INFO] [stdout]     |
[INFO] [stdout] 658 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `box_clone`
[INFO] [stdout]   --> src/module/any.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn box_clone(&self) -> Box<dyn Any> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TempStub`
[INFO] [stdout]   --> src/module/parser.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     TempStub,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CharConst`
[INFO] [stdout]   --> src/module/parser.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     CharConst(char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Divide`
[INFO] [stdout]   --> src/module/parser.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Divide,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivideAssign`
[INFO] [stdout]   --> src/module/parser.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     DivideAssign,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     engine_vm.call_fn("test".to_string(), vec![&mut a, &mut b, &mut c]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         engine_vm.eval_file::<()>(&fname);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/module/engine.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         self.functions
[INFO] [stdout] 49 | |             .get(&spec)
[INFO] [stdout] 50 | |             .ok_or(())
[INFO] [stdout] 51 | |             .and_then(move |f| match **f {
[INFO] [stdout] 52 | |                 FnIntExt::Ext(ref f) => f(args),
[INFO] [stdout] 53 | |                 FnIntExt::Int(ref _f) => Err(()),
[INFO] [stdout] 54 | |             });
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/module/engine.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 self.eval::<T>(&mut contents);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:610:17
[INFO] [stdout]     |
[INFO] [stdout] 610 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:611:17
[INFO] [stdout]     |
[INFO] [stdout] 611 |             let Q = ((*drain.next().unwrap()).downcast_mut() as Option<&mut Q>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:612:17
[INFO] [stdout]     |
[INFO] [stdout] 612 |             let R = ((*drain.next().unwrap()).downcast_mut() as Option<&mut R>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:637:17
[INFO] [stdout]     |
[INFO] [stdout] 637 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:638:17
[INFO] [stdout]     |
[INFO] [stdout] 638 |             let Q = ((*drain.next().unwrap()).downcast_mut() as Option<&mut Q>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:658:17
[INFO] [stdout]     |
[INFO] [stdout] 658 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking interpreter v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:383:23
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let lhs = r#try!(parse_unary(input));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:420:27
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let mut rhs = r#try!(parse_unary(input));
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:429:23
[INFO] [stdout]     |
[INFO] [stdout] 429 |                 rhs = r#try!(parse_binary_operation(input, curr_prec + 1, rhs));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:432:23
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 rhs = r#try!(parse_binary_operation(input, curr_prec, rhs));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:383:23
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let lhs = r#try!(parse_unary(input));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:420:27
[INFO] [stdout]     |
[INFO] [stdout] 420 |             let mut rhs = r#try!(parse_unary(input));
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:429:23
[INFO] [stdout]     |
[INFO] [stdout] 429 |                 rhs = r#try!(parse_binary_operation(input, curr_prec + 1, rhs));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/module/parser.rs:432:23
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 rhs = r#try!(parse_binary_operation(input, curr_prec, rhs));
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:378:33
[INFO] [stdout]     |
[INFO] [stdout] 378 | ...                   Err(x) => return Err(x),
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |                     Err(x) => return Err(x),
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:411:13
[INFO] [stdout]     |
[INFO] [stdout] 411 |             _ => Err(()),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/module/engine.rs:436:25
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 let mut x: Result<Box<dyn Any>, ()> = Ok(Box::new(()));
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:378:33
[INFO] [stdout]     |
[INFO] [stdout] 378 | ...                   Err(x) => return Err(x),
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |                     Err(x) => return Err(x),
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/module/engine.rs:411:13
[INFO] [stdout]     |
[INFO] [stdout] 411 |             _ => Err(()),
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/module/engine.rs:436:25
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 let mut x: Result<Box<dyn Any>, ()> = Ok(Box::new(()));
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `box_clone`
[INFO] [stdout]   --> src/module/any.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn box_clone(&self) -> Box<dyn Any> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TempStub`
[INFO] [stdout]   --> src/module/parser.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     TempStub,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CharConst`
[INFO] [stdout]   --> src/module/parser.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     CharConst(char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Divide`
[INFO] [stdout]   --> src/module/parser.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Divide,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivideAssign`
[INFO] [stdout]   --> src/module/parser.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     DivideAssign,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     engine_vm.call_fn("test".to_string(), vec![&mut a, &mut b, &mut c]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         engine_vm.eval_file::<()>(&fname);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/module/engine.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         self.functions
[INFO] [stdout] 49 | |             .get(&spec)
[INFO] [stdout] 50 | |             .ok_or(())
[INFO] [stdout] 51 | |             .and_then(move |f| match **f {
[INFO] [stdout] 52 | |                 FnIntExt::Ext(ref f) => f(args),
[INFO] [stdout] 53 | |                 FnIntExt::Int(ref _f) => Err(()),
[INFO] [stdout] 54 | |             });
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/module/engine.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 self.eval::<T>(&mut contents);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:610:17
[INFO] [stdout]     |
[INFO] [stdout] 610 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:611:17
[INFO] [stdout]     |
[INFO] [stdout] 611 |             let Q = ((*drain.next().unwrap()).downcast_mut() as Option<&mut Q>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:612:17
[INFO] [stdout]     |
[INFO] [stdout] 612 |             let R = ((*drain.next().unwrap()).downcast_mut() as Option<&mut R>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:637:17
[INFO] [stdout]     |
[INFO] [stdout] 637 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:638:17
[INFO] [stdout]     |
[INFO] [stdout] 638 |             let Q = ((*drain.next().unwrap()).downcast_mut() as Option<&mut Q>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:658:17
[INFO] [stdout]     |
[INFO] [stdout] 658 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `box_clone`
[INFO] [stdout]   --> src/module/any.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn box_clone(&self) -> Box<dyn Any> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TempStub`
[INFO] [stdout]   --> src/module/parser.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     TempStub,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CharConst`
[INFO] [stdout]   --> src/module/parser.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     CharConst(char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Divide`
[INFO] [stdout]   --> src/module/parser.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Divide,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivideAssign`
[INFO] [stdout]   --> src/module/parser.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     DivideAssign,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     engine_vm.call_fn("test".to_string(), vec![&mut a, &mut b, &mut c]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         engine_vm.eval_file::<()>(&fname);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/module/engine.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         self.functions
[INFO] [stdout] 49 | |             .get(&spec)
[INFO] [stdout] 50 | |             .ok_or(())
[INFO] [stdout] 51 | |             .and_then(move |f| match **f {
[INFO] [stdout] 52 | |                 FnIntExt::Ext(ref f) => f(args),
[INFO] [stdout] 53 | |                 FnIntExt::Int(ref _f) => Err(()),
[INFO] [stdout] 54 | |             });
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/module/engine.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 self.eval::<T>(&mut contents);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:610:17
[INFO] [stdout]     |
[INFO] [stdout] 610 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:611:17
[INFO] [stdout]     |
[INFO] [stdout] 611 |             let Q = ((*drain.next().unwrap()).downcast_mut() as Option<&mut Q>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:612:17
[INFO] [stdout]     |
[INFO] [stdout] 612 |             let R = ((*drain.next().unwrap()).downcast_mut() as Option<&mut R>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:637:17
[INFO] [stdout]     |
[INFO] [stdout] 637 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:638:17
[INFO] [stdout]     |
[INFO] [stdout] 638 |             let Q = ((*drain.next().unwrap()).downcast_mut() as Option<&mut Q>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/module/engine.rs:658:17
[INFO] [stdout]     |
[INFO] [stdout] 658 |             let P = ((*drain.next().unwrap()).downcast_mut() as Option<&mut P>).ok_or(())?;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "739c97c8af1fcfa45e980b2fce6b43a3fcee58b45c1e1c7dd237a1be2b549938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739c97c8af1fcfa45e980b2fce6b43a3fcee58b45c1e1c7dd237a1be2b549938", kill_on_drop: false }`
[INFO] [stdout] 739c97c8af1fcfa45e980b2fce6b43a3fcee58b45c1e1c7dd237a1be2b549938