[INFO] cloning repository https://github.com/dobrakmato/rust-brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dobrakmato/rust-brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Frust-brainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Frust-brainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fa3572c26c888987b9519d610f3b59b9d5aefee
[INFO] checking dobrakmato/rust-brainfuck against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Frust-brainfuck" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dobrakmato/rust-brainfuck
[INFO] finished tweaking git repo https://github.com/dobrakmato/rust-brainfuck
[INFO] tweaked toml for git repo https://github.com/dobrakmato/rust-brainfuck written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dobrakmato/rust-brainfuck on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dobrakmato/rust-brainfuck 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" "+011c518242557d21690f7936b5812318dc2fec47" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 65ae5225a42eb07604f30ed81082ddd7868cdb7f892eac34f1e20a1e4c2cb390
[INFO] running `Command { std: "docker" "start" "65ae5225a42eb07604f30ed81082ddd7868cdb7f892eac34f1e20a1e4c2cb390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65ae5225a42eb07604f30ed81082ddd7868cdb7f892eac34f1e20a1e4c2cb390", 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" "65ae5225a42eb07604f30ed81082ddd7868cdb7f892eac34f1e20a1e4c2cb390" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65ae5225a42eb07604f30ed81082ddd7868cdb7f892eac34f1e20a1e4c2cb390", 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" "65ae5225a42eb07604f30ed81082ddd7868cdb7f892eac34f1e20a1e4c2cb390" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bfjit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg_attr(tarpaulin, skip)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 33 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> src/main.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg_attr(tarpaulin, skip)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> src/main.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[cfg_attr(tarpaulin, skip)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg_attr(tarpaulin, skip)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 33 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> src/main.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg_attr(tarpaulin, skip)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin`
[INFO] [stdout]   --> src/main.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[cfg_attr(tarpaulin, skip)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mul_unsigned` and `mov_to_mem_offset` are never used
[INFO] [stdout]    --> src/assembler.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl<'a> Assembler<'a> {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn mul_unsigned(&mut self, reg: X64Register) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 282 |     pub fn mov_to_mem_offset(&mut self, to_memory: X64Register, from_reg: X64Register, offset: i8) {
[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 `1` is never read
[INFO] [stdout]   --> src/ir.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |     JumpIfNotZero(Link, Link),
[INFO] [stdout]    |     -------------       ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IrOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     JumpIfNotZero(Link, Link),
[INFO] [stdout] 24 +     JumpIfNotZero(Link, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Noop` is never constructed
[INFO] [stdout]   --> src/ir.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum IrOp {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 11 |     Noop(Link),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IrOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ir.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn iter(&self) -> Iter {
[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] 246 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/compiler.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |             putchar_ptr: putchar as usize,
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 30 |             putchar_ptr: putchar as *const () as usize,
[INFO] [stdout]    |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/compiler.rs:31:34
[INFO] [stdout]    |
[INFO] [stdout] 31 |             getchar_ptr: getchar as usize,
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 31 |             getchar_ptr: getchar as *const () as usize,
[INFO] [stdout]    |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Brainfuck`, which is not FFI-safe
[INFO] [stdout]    --> src/compiler.rs:146:31
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub extern "C" fn execute(self) {
[INFO] [stdout]     |                               ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/compiler.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct Brainfuck {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/ir.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |     JumpIfNotZero(Link, Link),
[INFO] [stdout]    |     -------------       ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IrOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     JumpIfNotZero(Link, Link),
[INFO] [stdout] 24 +     JumpIfNotZero(Link, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ir.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn iter(&self) -> Iter {
[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] 246 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/compiler.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |             putchar_ptr: putchar as usize,
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 30 |             putchar_ptr: putchar as *const () as usize,
[INFO] [stdout]    |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/compiler.rs:31:34
[INFO] [stdout]    |
[INFO] [stdout] 31 |             getchar_ptr: getchar as usize,
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 31 |             getchar_ptr: getchar as *const () as usize,
[INFO] [stdout]    |                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Brainfuck`, which is not FFI-safe
[INFO] [stdout]    --> src/compiler.rs:146:31
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub extern "C" fn execute(self) {
[INFO] [stdout]     |                               ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/compiler.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct Brainfuck {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/compiler.rs:187:75
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let brainfuck = ir_code.compile(IoFn { putchar_ptr: value_putchar as usize, getchar_ptr: getchar as usize });
[INFO] [stdout]     |                                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let brainfuck = ir_code.compile(IoFn { putchar_ptr: value_putchar as *const () as usize, getchar_ptr: getchar as usize });
[INFO] [stdout]     |                                                                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/compiler.rs:187:106
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let brainfuck = ir_code.compile(IoFn { putchar_ptr: value_putchar as usize, getchar_ptr: getchar as usize });
[INFO] [stdout]     |                                                                                                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let brainfuck = ir_code.compile(IoFn { putchar_ptr: value_putchar as usize, getchar_ptr: getchar as *const () as usize });
[INFO] [stdout]     |                                                                                                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/compiler.rs:208:75
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let brainfuck = ir_code.compile(IoFn { putchar_ptr: value_putchar as usize, getchar_ptr: getchar as usize });
[INFO] [stdout]     |                                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let brainfuck = ir_code.compile(IoFn { putchar_ptr: value_putchar as *const () as usize, getchar_ptr: getchar as usize });
[INFO] [stdout]     |                                                                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/compiler.rs:208:106
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let brainfuck = ir_code.compile(IoFn { putchar_ptr: value_putchar as usize, getchar_ptr: getchar as usize });
[INFO] [stdout]     |                                                                                                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let brainfuck = ir_code.compile(IoFn { putchar_ptr: value_putchar as usize, getchar_ptr: getchar as *const () as usize });
[INFO] [stdout]     |                                                                                                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/interpreter.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn make_interpreter(program: &Program) -> Interpreter<Stdin, Stdout> {
[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] 71 |     fn make_interpreter(program: &Program) -> Interpreter<'_, Stdin, Stdout> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "65ae5225a42eb07604f30ed81082ddd7868cdb7f892eac34f1e20a1e4c2cb390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ae5225a42eb07604f30ed81082ddd7868cdb7f892eac34f1e20a1e4c2cb390", kill_on_drop: false }`
[INFO] [stdout] 65ae5225a42eb07604f30ed81082ddd7868cdb7f892eac34f1e20a1e4c2cb390
