[INFO] cloning repository https://github.com/brson/piddle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/piddle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 740fc3718248a4cfc59df356c26209eb5f321494
[INFO] linting brson/piddle against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/brson/piddle
[INFO] finished tweaking git repo https://github.com/brson/piddle
[INFO] tweaked toml for git repo https://github.com/brson/piddle written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brson/piddle on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/brson/piddle 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v3.0.0
[INFO] [stderr]   Downloaded clipboard-win v4.2.1
[INFO] [stderr]   Downloaded string-interner v0.13.0
[INFO] [stderr]   Downloaded error-code v2.3.0
[INFO] [stderr]   Downloaded minimal-lexical v0.1.2
[INFO] [stderr]   Downloaded hecs v0.6.4
[INFO] [stderr]   Downloaded rustyline v9.0.0
[INFO] [stderr]   Downloaded nom v7.0.0
[INFO] [stderr]   Downloaded nix v0.22.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 952a7ff5d1c0c36a4a045f1e97463cf52c4a26a236f794148dc1241358f20a4a
[INFO] running `Command { std: "docker" "start" "-a" "952a7ff5d1c0c36a4a045f1e97463cf52c4a26a236f794148dc1241358f20a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "952a7ff5d1c0c36a4a045f1e97463cf52c4a26a236f794148dc1241358f20a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952a7ff5d1c0c36a4a045f1e97463cf52c4a26a236f794148dc1241358f20a4a", kill_on_drop: false }`
[INFO] [stdout] 952a7ff5d1c0c36a4a045f1e97463cf52c4a26a236f794148dc1241358f20a4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87a02c3447298c3c8bad1023c3761ea9680e638ba962b69476058146b0734076
[INFO] running `Command { std: "docker" "start" "-a" "87a02c3447298c3c8bad1023c3761ea9680e638ba962b69476058146b0734076", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking fd-lock v3.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking hecs v0.6.4
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking string-interner v0.13.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking piddle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]   --> src/compiler.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let name = function.name.clone();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `function.name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]   --> src/compiler.rs:96:40
[INFO] [stdout]    |
[INFO] [stdout] 96 |             module_ctxt.fn_asts.insert(name.clone(), function.clone());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: try removing the `clone` call: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler.rs:117:57
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let mut from_module_ctxt = compiler.modules.get_mut(&from_module)
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^ help: change this to: `from_module`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/compiler.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 | /                 if name == item {
[INFO] [stdout] 128 | |                     found_item = Some(decl.clone());
[INFO] [stdout] 129 | |                     break;
[INFO] [stdout] 130 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 126 ~             ast::Declaration::Function(ast::Function { name, .. })
[INFO] [stdout] 127 ~                 if name == item => {
[INFO] [stdout] 128 |                     found_item = Some(decl.clone());
[INFO] [stdout] 129 |                     break;
[INFO] [stdout] 130 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/compiler.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 | /         match decl {
[INFO] [stdout] 126 | |             ast::Declaration::Function(ast::Function { name, .. }) => {
[INFO] [stdout] 127 | |                 if name == item {
[INFO] [stdout] 128 | |                     found_item = Some(decl.clone());
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |             _ => { }
[INFO] [stdout] 133 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 125 ~         if let ast::Declaration::Function(ast::Function { name, .. }) = decl {
[INFO] [stdout] 126 +             if name == item {
[INFO] [stdout] 127 +                 found_item = Some(decl.clone());
[INFO] [stdout] 128 +                 break;
[INFO] [stdout] 129 +             }
[INFO] [stdout] 130 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let name = fn_.name.clone();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `fn_.name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:139:49
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 from_module_ctxt.fn_asts.insert(name.clone(), fn_);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: try removing the `clone` call: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler.rs:160:57
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut from_module_ctxt = compiler.modules.get_mut(&from_module)
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^ help: change this to: `from_module`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 let name = fn_.name.clone();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `fn_.name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler.rs:171:69
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 let mut from_module_ctxt = compiler.modules.get_mut(&from_module).expect("module");
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^ help: change this to: `from_module`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:172:49
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 from_module_ctxt.fn_asts.insert(name.clone(), fn_.clone());
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: try removing the `clone` call: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:204:48
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let mut fn_ctxt = FunctionContext::new(name.clone(), module.clone());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:216:32
[INFO] [stdout]     |
[INFO] [stdout] 216 |         module_ctxt.fns.insert(name.clone(), compiled);
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:233:36
[INFO] [stdout]     |
[INFO] [stdout] 233 |             module_ctxt.fns.insert(name.clone(), compiled_fn);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:248:48
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let mut fn_ctxt = FunctionContext::new(name.clone(), other_module.clone());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:260:38
[INFO] [stdout]     |
[INFO] [stdout] 260 |         other_module_ctxt.fns.insert(name.clone(), compiled.clone());
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:263:32
[INFO] [stdout]     |
[INFO] [stdout] 263 |         module_ctxt.fns.insert(name.clone(), compiled);
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler.rs:310:35
[INFO] [stdout]     |
[INFO] [stdout] 310 |         self.modules.contains_key(&module)
[INFO] [stdout]     |                                   ^^^^^^^ help: change this to: `module`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/interpreter.rs:44:70
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 println!("{}: {}", (tables.name)(*name), EvalDisplay(&value, tables.name));
[INFO] [stdout]    |                                                                      ^^^^^^ help: change this to: `value`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 let eval = run_expression(env, &tables, *field.1)?;
[INFO] [stdout]     |                                                ^^^^^^^ help: change this to: `tables`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/require.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     if !fs::metadata(&path).is_ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `fs::metadata(&path).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `skip(..).next()` on an iterator
[INFO] [stdout]   --> src/main.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let script = std::env::args().skip(1).next();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^ help: use `nth` instead: `.nth(1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stdout]    = note: `#[warn(clippy::iter_skip_next)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]   --> src/compiler.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let name = function.name.clone();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `function.name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]   --> src/compiler.rs:96:40
[INFO] [stdout]    |
[INFO] [stdout] 96 |             module_ctxt.fn_asts.insert(name.clone(), function.clone());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: try removing the `clone` call: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler.rs:117:57
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let mut from_module_ctxt = compiler.modules.get_mut(&from_module)
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^ help: change this to: `from_module`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 drop(from_module_ctxt);
[INFO] [stdout]     |                 ^^^^^----------------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 140 -                 drop(from_module_ctxt);
[INFO] [stdout] 140 +                 let _ = from_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     drop(from_module_ctxt);
[INFO] [stdout]     |     ^^^^^----------------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 166 -     drop(from_module_ctxt);
[INFO] [stdout] 166 +     let _ = from_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 drop(from_module_ctxt);
[INFO] [stdout]     |                 ^^^^^----------------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 173 -                 drop(from_module_ctxt);
[INFO] [stdout] 173 +                 let _ = from_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         drop(module_ctxt);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 202 -         drop(module_ctxt);
[INFO] [stdout] 202 +         let _ = module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         drop(module_ctxt);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 224 -         drop(module_ctxt);
[INFO] [stdout] 224 +         let _ = module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/compiler.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 | /                 if name == item {
[INFO] [stdout] 128 | |                     found_item = Some(decl.clone());
[INFO] [stdout] 129 | |                     break;
[INFO] [stdout] 130 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 126 ~             ast::Declaration::Function(ast::Function { name, .. })
[INFO] [stdout] 127 ~                 if name == item => {
[INFO] [stdout] 128 |                     found_item = Some(decl.clone());
[INFO] [stdout] 129 |                     break;
[INFO] [stdout] 130 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |             drop(other_module_ctxt);
[INFO] [stdout]     |             ^^^^^-----------------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 231 -             drop(other_module_ctxt);
[INFO] [stdout] 231 +             let _ = other_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/compiler.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 | /         match decl {
[INFO] [stdout] 126 | |             ast::Declaration::Function(ast::Function { name, .. }) => {
[INFO] [stdout] 127 | |                 if name == item {
[INFO] [stdout] 128 | |                     found_item = Some(decl.clone());
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |             _ => { }
[INFO] [stdout] 133 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 125 ~         if let ast::Declaration::Function(ast::Function { name, .. }) = decl {
[INFO] [stdout] 126 +             if name == item {
[INFO] [stdout] 127 +                 found_item = Some(decl.clone());
[INFO] [stdout] 128 +                 break;
[INFO] [stdout] 129 +             }
[INFO] [stdout] 130 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         drop(other_module_ctxt);
[INFO] [stdout]     |         ^^^^^-----------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 246 -         drop(other_module_ctxt);
[INFO] [stdout] 246 +         let _ = other_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         drop(other_module_ctxt);
[INFO] [stdout]     |         ^^^^^-----------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 261 -         drop(other_module_ctxt);
[INFO] [stdout] 261 +         let _ = other_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let name = fn_.name.clone();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `fn_.name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:139:49
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 from_module_ctxt.fn_asts.insert(name.clone(), fn_);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: try removing the `clone` call: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler.rs:160:57
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut from_module_ctxt = compiler.modules.get_mut(&from_module)
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^ help: change this to: `from_module`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 let name = fn_.name.clone();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `fn_.name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler.rs:171:69
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 let mut from_module_ctxt = compiler.modules.get_mut(&from_module).expect("module");
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^ help: change this to: `from_module`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:172:49
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 from_module_ctxt.fn_asts.insert(name.clone(), fn_.clone());
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: try removing the `clone` call: `name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:204:48
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let mut fn_ctxt = FunctionContext::new(name.clone(), module.clone());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:216:32
[INFO] [stdout]     |
[INFO] [stdout] 216 |         module_ctxt.fns.insert(name.clone(), compiled);
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:233:36
[INFO] [stdout]     |
[INFO] [stdout] 233 |             module_ctxt.fns.insert(name.clone(), compiled_fn);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:248:48
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let mut fn_ctxt = FunctionContext::new(name.clone(), other_module.clone());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:260:38
[INFO] [stdout]     |
[INFO] [stdout] 260 |         other_module_ctxt.fns.insert(name.clone(), compiled.clone());
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Name` which implements the `Copy` trait
[INFO] [stdout]    --> src/compiler.rs:263:32
[INFO] [stdout]     |
[INFO] [stdout] 263 |         module_ctxt.fns.insert(name.clone(), compiled);
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: try dereferencing it: `*name`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compiler.rs:310:35
[INFO] [stdout]     |
[INFO] [stdout] 310 |         self.modules.contains_key(&module)
[INFO] [stdout]     |                                   ^^^^^^^ help: change this to: `module`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/interpreter.rs:44:70
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 println!("{}: {}", (tables.name)(*name), EvalDisplay(&value, tables.name));
[INFO] [stdout]    |                                                                      ^^^^^^ help: change this to: `value`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/interpreter.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 let eval = run_expression(env, &tables, *field.1)?;
[INFO] [stdout]     |                                                ^^^^^^^ help: change this to: `tables`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/require.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     if !fs::metadata(&path).is_ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `fs::metadata(&path).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `skip(..).next()` on an iterator
[INFO] [stdout]   --> src/main.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let script = std::env::args().skip(1).next();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^ help: use `nth` instead: `.nth(1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stdout]    = note: `#[warn(clippy::iter_skip_next)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 drop(from_module_ctxt);
[INFO] [stdout]     |                 ^^^^^----------------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 140 -                 drop(from_module_ctxt);
[INFO] [stdout] 140 +                 let _ = from_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     drop(from_module_ctxt);
[INFO] [stdout]     |     ^^^^^----------------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 166 -     drop(from_module_ctxt);
[INFO] [stdout] 166 +     let _ = from_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 drop(from_module_ctxt);
[INFO] [stdout]     |                 ^^^^^----------------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 173 -                 drop(from_module_ctxt);
[INFO] [stdout] 173 +                 let _ = from_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         drop(module_ctxt);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 202 -         drop(module_ctxt);
[INFO] [stdout] 202 +         let _ = module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         drop(module_ctxt);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 224 -         drop(module_ctxt);
[INFO] [stdout] 224 +         let _ = module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |             drop(other_module_ctxt);
[INFO] [stdout]     |             ^^^^^-----------------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 231 -             drop(other_module_ctxt);
[INFO] [stdout] 231 +             let _ = other_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         drop(other_module_ctxt);
[INFO] [stdout]     |         ^^^^^-----------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 246 -         drop(other_module_ctxt);
[INFO] [stdout] 246 +         let _ = other_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/compiler.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         drop(other_module_ctxt);
[INFO] [stdout]     |         ^^^^^-----------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut compiler::ModuleContext`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 261 -         drop(other_module_ctxt);
[INFO] [stdout] 261 +         let _ = other_module_ctxt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.50s
[INFO] running `Command { std: "docker" "inspect" "87a02c3447298c3c8bad1023c3761ea9680e638ba962b69476058146b0734076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a02c3447298c3c8bad1023c3761ea9680e638ba962b69476058146b0734076", kill_on_drop: false }`
[INFO] [stdout] 87a02c3447298c3c8bad1023c3761ea9680e638ba962b69476058146b0734076