[INFO] cloning repository https://github.com/mbillingr/interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbillingr/interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbillingr%2Finterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbillingr%2Finterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fc8de00dce9aa7441957077752637c49254999d
[INFO] checking mbillingr/interpreter against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbillingr%2Finterpreter" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mbillingr/interpreter
[INFO] finished tweaking git repo https://github.com/mbillingr/interpreter
[INFO] tweaked toml for git repo https://github.com/mbillingr/interpreter written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mbillingr/interpreter on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mbillingr/interpreter 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 045324bdc55714c0d544d254ccdbf45712b19ba3f0d73a7bf913adcc8938b30b
[INFO] running `Command { std: "docker" "start" "045324bdc55714c0d544d254ccdbf45712b19ba3f0d73a7bf913adcc8938b30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "045324bdc55714c0d544d254ccdbf45712b19ba3f0d73a7bf913adcc8938b30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "045324bdc55714c0d544d254ccdbf45712b19ba3f0d73a7bf913adcc8938b30b" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "045324bdc55714c0d544d254ccdbf45712b19ba3f0d73a7bf913adcc8938b30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "045324bdc55714c0d544d254ccdbf45712b19ba3f0d73a7bf913adcc8938b30b" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking xml-rs v0.8.28
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking gfx v0.18.3
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling imgui-sys v0.0.23
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking unicode-segmentation v1.13.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]     Checking imgui v0.0.23
[INFO] [stderr]     Checking imgui-gfx-renderer v0.0.23
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking imgui-winit-support v0.0.23
[INFO] [stderr]     Checking gfx_window_glutin v0.31.0
[INFO] [stderr]     Checking interpreter v0.2.5-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/environment.rs:766:9
[INFO] [stdout]     |
[INFO] [stdout] 766 |   ...   /// deprecated since 0.2.2
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 767 | / ...   env.insert_native("complex", |args| {
[INFO] [stdout] 768 | | ...       eprintln!("Warning: (complex re im) is deprecated and will be removed in a future release. Use (make-rectangular re im)...
[INFO] [stdout] 769 | | ...       let re = car(&args)?.try_as_number()?.to_f64().unwrap();
[INFO] [stdout] 770 | | ...       let im = car(cdr(&args)?)?.try_as_number()?.to_f64().unwrap();
[INFO] [stdout] 771 | | ...       Ok(Number::complex(re, im).into())
[INFO] [stdout] 772 | | ...   });
[INFO] [stdout]     | |________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/lexer.rs:72:36
[INFO] [stdout]    |
[INFO] [stdout] 72 |             start_idx: std::usize::MAX,
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/lexer.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |             end_idx: std::usize::MAX,
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/environment.rs:766:9
[INFO] [stdout]     |
[INFO] [stdout] 766 |   ...   /// deprecated since 0.2.2
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 767 | / ...   env.insert_native("complex", |args| {
[INFO] [stdout] 768 | | ...       eprintln!("Warning: (complex re im) is deprecated and will be removed in a future release. Use (make-rectangular re im)...
[INFO] [stdout] 769 | | ...       let re = car(&args)?.try_as_number()?.to_f64().unwrap();
[INFO] [stdout] 770 | | ...       let im = car(cdr(&args)?)?.try_as_number()?.to_f64().unwrap();
[INFO] [stdout] 771 | | ...       Ok(Number::complex(re, im).into())
[INFO] [stdout] 772 | | ...   });
[INFO] [stdout]     | |________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/lexer.rs:72:36
[INFO] [stdout]    |
[INFO] [stdout] 72 |             start_idx: std::usize::MAX,
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/lexer.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |             end_idx: std::usize::MAX,
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_eof` is never used
[INFO] [stdout]  --> src/io.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait LineReader {
[INFO] [stdout]   |           ---------- method in this trait
[INFO] [stdout] 7 |     fn read_line(&mut self) -> Result<String>;
[INFO] [stdout] 8 |     fn is_eof(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `private_env` is never read
[INFO] [stdout]   --> src/libraries.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Library {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 22 |     private_env: EnvRef,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Library` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lines` is never read
[INFO] [stdout]   --> src/sourcecode.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     struct SourceCode {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 81 |         buffer: String,
[INFO] [stdout] 82 |         lines: Vec<usize>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PositionalToken`
[INFO] [stdout]   --> src/tests/mod.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         .map(|ptoken| ptoken.into());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 24 -         .map(|ptoken| ptoken.into());
[INFO] [stdout] 24 +         .map(|ptoken| ptoken);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 24 -         .map(|ptoken| ptoken.into());
[INFO] [stdout] 24 +         .map(|ptoken| <PositionalToken as Into<_>>::into(ptoken));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `expression::Expression`
[INFO] [stdout]    --> src/environment.rs:459:20
[INFO] [stdout]     |
[INFO] [stdout] 459 |                 Ok(Expression::Undefined.into())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 459 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 459 +                 Ok(Expression::Undefined)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 459 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 459 +                 Ok(<expression::Expression as Into<_>>::into(Expression::Undefined))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `expression::Expression`
[INFO] [stdout]    --> src/environment.rs:506:20
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 Ok(Expression::Undefined.into())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 506 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 506 +                 Ok(Expression::Undefined)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 506 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 506 +                 Ok(<expression::Expression as Into<_>>::into(Expression::Undefined))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `expression::Expression`
[INFO] [stdout]    --> src/environment.rs:536:20
[INFO] [stdout]     |
[INFO] [stdout] 536 |                 Ok(Expression::Undefined.into())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 536 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 536 +                 Ok(Expression::Undefined)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 536 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 536 +                 Ok(<expression::Expression as Into<_>>::into(Expression::Undefined))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/expression.rs:634:47
[INFO] [stdout]     |
[INFO] [stdout] 634 |             | Expression::NativeClosure(_) => "<native>".into(),
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 634 -             | Expression::NativeClosure(_) => "<native>".into(),
[INFO] [stdout] 634 +             | Expression::NativeClosure(_) => "<native>",
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 634 -             | Expression::NativeClosure(_) => "<native>".into(),
[INFO] [stdout] 634 +             | Expression::NativeClosure(_) => <&str as Into<_>>::into("<native>"),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/envref.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |         pub fn borrow(&self) -> EnvTmpRef {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |         pub fn borrow(&self) -> EnvTmpRef<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/envref.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub fn borrow_mut(&self) -> EnvMutRef {
[INFO] [stdout]    |                           ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub fn borrow_mut(&self) -> EnvMutRef<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/expression.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn iter_list(&self) -> ListIterator {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn iter_list(&self) -> ListIterator<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/expression.rs:507:39
[INFO] [stdout]     |
[INFO] [stdout] 507 |             (Native(a), Native(b)) => a == b,
[INFO] [stdout]     |                                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 507 -             (Native(a), Native(b)) => a == b,
[INFO] [stdout] 507 +             (Native(a), Native(b)) => std::ptr::fn_addr_eq(*a, *b),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/expression.rs:541:39
[INFO] [stdout]     |
[INFO] [stdout] 541 |             (Native(a), Native(b)) => a == b,
[INFO] [stdout]     |                                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 541 -             (Native(a), Native(b)) => a == b,
[INFO] [stdout] 541 +             (Native(a), Native(b)) => std::ptr::fn_addr_eq(*a, *b),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/symbol.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.name as *const _ == s.name as *const _
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 145 -         self.name as *const _ == s.name as *const _
[INFO] [stdout] 145 +         std::ptr::addr_eq(self.name as *const _, s.name as *const _)
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 145 -         self.name as *const _ == s.name as *const _
[INFO] [stdout] 145 +         std::ptr::eq(self.name as *const _, s.name as *const _)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interpreter` (bin "interpreter" test) due to 5 previous errors; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `is_eof` is never used
[INFO] [stdout]  --> src/io.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait LineReader {
[INFO] [stdout]   |           ---------- method in this trait
[INFO] [stdout] 7 |     fn read_line(&mut self) -> Result<String>;
[INFO] [stdout] 8 |     fn is_eof(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `private_env` is never read
[INFO] [stdout]   --> src/libraries.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Library {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 22 |     private_env: EnvRef,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Library` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lines` is never read
[INFO] [stdout]   --> src/sourcecode.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     struct SourceCode {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 81 |         buffer: String,
[INFO] [stdout] 82 |         lines: Vec<usize>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Expression`
[INFO] [stdout]    --> src/environment.rs:459:20
[INFO] [stdout]     |
[INFO] [stdout] 459 |                 Ok(Expression::Undefined.into())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 459 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 459 +                 Ok(Expression::Undefined)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 459 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 459 +                 Ok(<Expression as Into<_>>::into(Expression::Undefined))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Expression`
[INFO] [stdout]    --> src/environment.rs:506:20
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 Ok(Expression::Undefined.into())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 506 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 506 +                 Ok(Expression::Undefined)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 506 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 506 +                 Ok(<Expression as Into<_>>::into(Expression::Undefined))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Expression`
[INFO] [stdout]    --> src/environment.rs:536:20
[INFO] [stdout]     |
[INFO] [stdout] 536 |                 Ok(Expression::Undefined.into())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 536 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 536 +                 Ok(Expression::Undefined)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 536 -                 Ok(Expression::Undefined.into())
[INFO] [stdout] 536 +                 Ok(<Expression as Into<_>>::into(Expression::Undefined))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/expression.rs:634:47
[INFO] [stdout]     |
[INFO] [stdout] 634 |             | Expression::NativeClosure(_) => "<native>".into(),
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 634 -             | Expression::NativeClosure(_) => "<native>".into(),
[INFO] [stdout] 634 +             | Expression::NativeClosure(_) => "<native>",
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 634 -             | Expression::NativeClosure(_) => "<native>".into(),
[INFO] [stdout] 634 +             | Expression::NativeClosure(_) => <&str as Into<_>>::into("<native>"),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/envref.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |         pub fn borrow(&self) -> EnvTmpRef {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |         pub fn borrow(&self) -> EnvTmpRef<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/envref.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub fn borrow_mut(&self) -> EnvMutRef {
[INFO] [stdout]    |                           ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub fn borrow_mut(&self) -> EnvMutRef<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/expression.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn iter_list(&self) -> ListIterator {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn iter_list(&self) -> ListIterator<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/expression.rs:507:39
[INFO] [stdout]     |
[INFO] [stdout] 507 |             (Native(a), Native(b)) => a == b,
[INFO] [stdout]     |                                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 507 -             (Native(a), Native(b)) => a == b,
[INFO] [stdout] 507 +             (Native(a), Native(b)) => std::ptr::fn_addr_eq(*a, *b),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/expression.rs:541:39
[INFO] [stdout]     |
[INFO] [stdout] 541 |             (Native(a), Native(b)) => a == b,
[INFO] [stdout]     |                                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 541 -             (Native(a), Native(b)) => a == b,
[INFO] [stdout] 541 +             (Native(a), Native(b)) => std::ptr::fn_addr_eq(*a, *b),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/symbol.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.name as *const _ == s.name as *const _
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 145 -         self.name as *const _ == s.name as *const _
[INFO] [stdout] 145 +         std::ptr::addr_eq(self.name as *const _, s.name as *const _)
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 145 -         self.name as *const _ == s.name as *const _
[INFO] [stdout] 145 +         std::ptr::eq(self.name as *const _, s.name as *const _)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interpreter` (bin "interpreter") due to 4 previous errors; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "045324bdc55714c0d544d254ccdbf45712b19ba3f0d73a7bf913adcc8938b30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045324bdc55714c0d544d254ccdbf45712b19ba3f0d73a7bf913adcc8938b30b", kill_on_drop: false }`
[INFO] [stdout] 045324bdc55714c0d544d254ccdbf45712b19ba3f0d73a7bf913adcc8938b30b
