[INFO] cloning repository https://github.com/nilern/Puff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilern/Puff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilern%2FPuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilern%2FPuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fadaac3bfa33b06a71aaf30f4519db9f116e05a
[INFO] checking nilern/Puff against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilern%2FPuff" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nilern/Puff
[INFO] finished tweaking git repo https://github.com/nilern/Puff
[INFO] tweaked toml for git repo https://github.com/nilern/Puff written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nilern/Puff on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nilern/Puff 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b541f2d93f0d16d0057627038426c62245904d7f97aec24a80c870571dad9198
[INFO] running `Command { std: "docker" "start" "-a" "b541f2d93f0d16d0057627038426c62245904d7f97aec24a80c870571dad9198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b541f2d93f0d16d0057627038426c62245904d7f97aec24a80c870571dad9198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b541f2d93f0d16d0057627038426c62245904d7f97aec24a80c870571dad9198", kill_on_drop: false }`
[INFO] [stdout] b541f2d93f0d16d0057627038426c62245904d7f97aec24a80c870571dad9198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ec33fe7048d9af309f4af6614145b4f851d927b1e079e7b0b51a19b1ce6fea5
[INFO] running `Command { std: "docker" "start" "-a" "7ec33fe7048d9af309f4af6614145b4f851d927b1e079e7b0b51a19b1ce6fea5", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling io-lifetimes v1.0.1
[INFO] [stderr]    Compiling rustix v0.36.1
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[INFO] [stderr]    Compiling heck v0.4.0
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
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[INFO] [stdout] warning: unused variable: `mutable`
[INFO] [stdout]    --> src/type.rs:279:94
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub unsafe fn indexed_field(mut self, any: Gc<Type>, fixnum: Gc<Type>, r#type: Gc<Type>, mutable: bool)
[INFO] [stdout]     |                                                                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ----^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `builtin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `i` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `builtin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain`
[INFO] [stdout]    --> src/compiler/anf.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |             &Fn(ref domain, _, ref params, varargs, ref body) =>
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain`
[INFO] [stdout]    --> src/compiler/anf.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 | fn clause_to_doc<'a>(&(_, ref domain, _, ref params, varargs, ref body): &'a FnClause, mt: &'a Mutator, cmp: &Compiler)
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutable`
[INFO] [stdout]    --> src/type.rs:279:94
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub unsafe fn indexed_field(mut self, any: Gc<Type>, fixnum: Gc<Type>, r#type: Gc<Type>, mutable: bool)
[INFO] [stdout]     |                                                                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/heap.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Granule(usize);
[INFO] [stdout]    |        ------- ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/oref.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn within(self, mt: &Mutator) -> WithinMt<Self> {
[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] 62 |     pub fn within(self, mt: &Mutator) -> WithinMt<'_, Self> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/oref.rs:94:29
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<()> {
[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] 94 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<'_, ()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/oref.rs:231:29
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn within(self, mt: &Mutator) -> WithinMt<Self> { WithinMt {v: self, mt} }
[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] 231 |     pub fn within(self, mt: &Mutator) -> WithinMt<'_, Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/oref.rs:235:29
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<()> {
[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] 235 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<'_, ()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/flonum.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Flonum(unsafe { transmute::<f64, usize>(n) } | Self::TAG)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 33 -         Flonum(unsafe { transmute::<f64, usize>(n) } | Self::TAG)
[INFO] [stdout] 33 +         Flonum(unsafe { f64::to_bits(n) as usize } | Self::TAG)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/flonum.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |         unsafe { transmute::<usize, f64>(n.0 & !ORef::TAG_BITS) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 39 -         unsafe { transmute::<usize, f64>(n.0 & !ORef::TAG_BITS) }
[INFO] [stdout] 39 +         unsafe { f64::from_bits(n.0 & !ORef::TAG_BITS as _) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bytecode.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn decode_prune_mask(bytes: &[u8]) -> Prunes {
[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] 92 | pub fn decode_prune_mask(bytes: &[u8]) -> Prunes<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/anf.rs:59:69
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<()> { self.expr.to_doc(mt, cmp) }
[INFO] [stdout]    |                        --            -- the lifetime is named here  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<'a, ()> { self.expr.to_doc(mt, cmp) }
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/anf.rs:63:69
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<()> {
[INFO] [stdout]    |                        --            -- the lifetime is named here  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<'a, ()> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/compiler/cfg.rs:218:53
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn within<'a>(&'a self, mt: &'a Mutator) -> WithinMt<&'a Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                        --            --             ^^^^^^^^^^--^^^^^^
[INFO] [stdout]     |                        |             |              |         |
[INFO] [stdout]     |                        |             |              |         the same lifetime is named here
[INFO] [stdout]     |                        |             |              the same lifetime is hidden here
[INFO] [stdout]     |                        |             the lifetime is named here
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn within<'a>(&'a self, mt: &'a Mutator) -> WithinMt<'a, &'a Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ----^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `builtin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `i` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `builtin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain`
[INFO] [stdout]    --> src/compiler/anf.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |             &Fn(ref domain, _, ref params, varargs, ref body) =>
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain`
[INFO] [stdout]    --> src/compiler/anf.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 | fn clause_to_doc<'a>(&(_, ref domain, _, ref params, varargs, ref body): &'a FnClause, mt: &'a Mutator, cmp: &Compiler)
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/heap.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Granule(usize);
[INFO] [stdout]    |        ------- ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/oref.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn within(self, mt: &Mutator) -> WithinMt<Self> {
[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] 62 |     pub fn within(self, mt: &Mutator) -> WithinMt<'_, Self> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/oref.rs:94:29
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<()> {
[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] 94 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<'_, ()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/oref.rs:231:29
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn within(self, mt: &Mutator) -> WithinMt<Self> { WithinMt {v: self, mt} }
[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] 231 |     pub fn within(self, mt: &Mutator) -> WithinMt<'_, Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/oref.rs:235:29
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<()> {
[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] 235 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<'_, ()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/flonum.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Flonum(unsafe { transmute::<f64, usize>(n) } | Self::TAG)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 33 -         Flonum(unsafe { transmute::<f64, usize>(n) } | Self::TAG)
[INFO] [stdout] 33 +         Flonum(unsafe { f64::to_bits(n) as usize } | Self::TAG)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/flonum.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |         unsafe { transmute::<usize, f64>(n.0 & !ORef::TAG_BITS) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 39 -         unsafe { transmute::<usize, f64>(n.0 & !ORef::TAG_BITS) }
[INFO] [stdout] 39 +         unsafe { f64::from_bits(n.0 & !ORef::TAG_BITS as _) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bytecode.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn decode_prune_mask(bytes: &[u8]) -> Prunes {
[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] 92 | pub fn decode_prune_mask(bytes: &[u8]) -> Prunes<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/anf.rs:59:69
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<()> { self.expr.to_doc(mt, cmp) }
[INFO] [stdout]    |                        --            -- the lifetime is named here  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<'a, ()> { self.expr.to_doc(mt, cmp) }
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/anf.rs:63:69
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<()> {
[INFO] [stdout]    |                        --            -- the lifetime is named here  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<'a, ()> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/compiler/cfg.rs:218:53
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn within<'a>(&'a self, mt: &'a Mutator) -> WithinMt<&'a Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                        --            --             ^^^^^^^^^^--^^^^^^
[INFO] [stdout]     |                        |             |              |         |
[INFO] [stdout]     |                        |             |              |         the same lifetime is named here
[INFO] [stdout]     |                        |             |              the same lifetime is hidden here
[INFO] [stdout]     |                        |             the lifetime is named here
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn within<'a>(&'a self, mt: &'a Mutator) -> WithinMt<'a, &'a Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutable`
[INFO] [stdout]    --> src/type.rs:279:94
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub unsafe fn indexed_field(mut self, any: Gc<Type>, fixnum: Gc<Type>, r#type: Gc<Type>, mutable: bool)
[INFO] [stdout]     |                                                                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutable`
[INFO] [stdout]    --> src/type.rs:279:94
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub unsafe fn indexed_field(mut self, any: Gc<Type>, fixnum: Gc<Type>, r#type: Gc<Type>, mutable: bool)
[INFO] [stdout]     |                                                                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ----^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `builtin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `i` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `builtin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ----^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `builtin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `i` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/builtins.rs:66:17
[INFO] [stdout]     |
[INFO] [stdout]  66 |               let mut i = 0;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 651 | / builtin!{
[INFO] [stdout] 652 | |     fn STRING, string_params, string(mt; Char, ...) {
[INFO] [stdout] 653 | |         let char_len = mt.regs().len() - 1;
[INFO] [stdout] 654 | |         let mut byte_len = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 677 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `builtin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain`
[INFO] [stdout]    --> src/compiler/anf.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |             &Fn(ref domain, _, ref params, varargs, ref body) =>
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain`
[INFO] [stdout]    --> src/compiler/anf.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 | fn clause_to_doc<'a>(&(_, ref domain, _, ref params, varargs, ref body): &'a FnClause, mt: &'a Mutator, cmp: &Compiler)
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain`
[INFO] [stdout]    --> src/compiler/anf.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |             &Fn(ref domain, _, ref params, varargs, ref body) =>
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domain`
[INFO] [stdout]    --> src/compiler/anf.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 | fn clause_to_doc<'a>(&(_, ref domain, _, ref params, varargs, ref body): &'a FnClause, mt: &'a Mutator, cmp: &Compiler)
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/heap.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Granule(usize);
[INFO] [stdout]    |        ------- ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     InvalidOpcode(u8),
[INFO] [stdout]    |     ------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 27 -     InvalidOpcode(u8),
[INFO] [stdout] 27 +     InvalidOpcode(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |     MissingOpcodeArg(Opcode),
[INFO] [stdout]    |     ---------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 29 -     MissingOpcodeArg(Opcode),
[INFO] [stdout] 29 +     MissingOpcodeArg(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |     BranchOut(usize),
[INFO] [stdout]    |     --------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 33 -     BranchOut(usize),
[INFO] [stdout] 33 +     BranchOut(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ConstsOverrun(usize),
[INFO] [stdout]    |     ------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 37 -     ConstsOverrun(usize),
[INFO] [stdout] 37 +     ConstsOverrun(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     RegsOverrun(usize),
[INFO] [stdout]    |     ----------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 38 -     RegsOverrun(usize),
[INFO] [stdout] 38 +     RegsOverrun(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |     CloversOverrun(usize),
[INFO] [stdout]    |     -------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 39 -     CloversOverrun(usize),
[INFO] [stdout] 39 +     CloversOverrun(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     CloversArgc(usize),
[INFO] [stdout]    |     ----------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 45 -     CloversArgc(usize),
[INFO] [stdout] 45 +     CloversArgc(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/verifier.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |     RegCounts(usize, usize)
[INFO] [stdout]    |     --------- ^^^^^  ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 48 -     RegCounts(usize, usize)
[INFO] [stdout] 48 +     RegCounts((), ())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/oref.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn within(self, mt: &Mutator) -> WithinMt<Self> {
[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] 62 |     pub fn within(self, mt: &Mutator) -> WithinMt<'_, Self> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/oref.rs:94:29
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<()> {
[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] 94 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<'_, ()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/oref.rs:231:29
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn within(self, mt: &Mutator) -> WithinMt<Self> { WithinMt {v: self, mt} }
[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] 231 |     pub fn within(self, mt: &Mutator) -> WithinMt<'_, Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/oref.rs:235:29
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<()> {
[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] 235 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<'_, ()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/flonum.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Flonum(unsafe { transmute::<f64, usize>(n) } | Self::TAG)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 33 -         Flonum(unsafe { transmute::<f64, usize>(n) } | Self::TAG)
[INFO] [stdout] 33 +         Flonum(unsafe { f64::to_bits(n) as usize } | Self::TAG)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/flonum.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |         unsafe { transmute::<usize, f64>(n.0 & !ORef::TAG_BITS) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 39 -         unsafe { transmute::<usize, f64>(n.0 & !ORef::TAG_BITS) }
[INFO] [stdout] 39 +         unsafe { f64::from_bits(n.0 & !ORef::TAG_BITS as _) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/heap.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Granule(usize);
[INFO] [stdout]    |        ------- ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     InvalidOpcode(u8),
[INFO] [stdout]    |     ------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 27 -     InvalidOpcode(u8),
[INFO] [stdout] 27 +     InvalidOpcode(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |     MissingOpcodeArg(Opcode),
[INFO] [stdout]    |     ---------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 29 -     MissingOpcodeArg(Opcode),
[INFO] [stdout] 29 +     MissingOpcodeArg(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |     BranchOut(usize),
[INFO] [stdout]    |     --------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 33 -     BranchOut(usize),
[INFO] [stdout] 33 +     BranchOut(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ConstsOverrun(usize),
[INFO] [stdout]    |     ------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 37 -     ConstsOverrun(usize),
[INFO] [stdout] 37 +     ConstsOverrun(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     RegsOverrun(usize),
[INFO] [stdout]    |     ----------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 38 -     RegsOverrun(usize),
[INFO] [stdout] 38 +     RegsOverrun(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |     CloversOverrun(usize),
[INFO] [stdout]    |     -------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 39 -     CloversOverrun(usize),
[INFO] [stdout] 39 +     CloversOverrun(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verifier.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     CloversArgc(usize),
[INFO] [stdout]    |     ----------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is 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] 45 -     CloversArgc(usize),
[INFO] [stdout] 45 +     CloversArgc(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/verifier.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |     RegCounts(usize, usize)
[INFO] [stdout]    |     --------- ^^^^^  ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Err` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 48 -     RegCounts(usize, usize)
[INFO] [stdout] 48 +     RegCounts((), ())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/oref.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn within(self, mt: &Mutator) -> WithinMt<Self> {
[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] 62 |     pub fn within(self, mt: &Mutator) -> WithinMt<'_, Self> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/oref.rs:94:29
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<()> {
[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] 94 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<'_, ()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/oref.rs:231:29
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn within(self, mt: &Mutator) -> WithinMt<Self> { WithinMt {v: self, mt} }
[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] 231 |     pub fn within(self, mt: &Mutator) -> WithinMt<'_, Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/oref.rs:235:29
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<()> {
[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] 235 |     pub fn to_doc(self, mt: &Mutator) -> RcDoc<'_, ()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/flonum.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Flonum(unsafe { transmute::<f64, usize>(n) } | Self::TAG)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 33 -         Flonum(unsafe { transmute::<f64, usize>(n) } | Self::TAG)
[INFO] [stdout] 33 +         Flonum(unsafe { f64::to_bits(n) as usize } | Self::TAG)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/flonum.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |         unsafe { transmute::<usize, f64>(n.0 & !ORef::TAG_BITS) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 39 -         unsafe { transmute::<usize, f64>(n.0 & !ORef::TAG_BITS) }
[INFO] [stdout] 39 +         unsafe { f64::from_bits(n.0 & !ORef::TAG_BITS as _) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bytecode.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn decode_prune_mask(bytes: &[u8]) -> Prunes {
[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] 92 | pub fn decode_prune_mask(bytes: &[u8]) -> Prunes<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/anf.rs:59:69
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<()> { self.expr.to_doc(mt, cmp) }
[INFO] [stdout]    |                        --            -- the lifetime is named here  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<'a, ()> { self.expr.to_doc(mt, cmp) }
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/anf.rs:63:69
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<()> {
[INFO] [stdout]    |                        --            -- the lifetime is named here  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<'a, ()> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/compiler/cfg.rs:218:53
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn within<'a>(&'a self, mt: &'a Mutator) -> WithinMt<&'a Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                        --            --             ^^^^^^^^^^--^^^^^^
[INFO] [stdout]     |                        |             |              |         |
[INFO] [stdout]     |                        |             |              |         the same lifetime is named here
[INFO] [stdout]     |                        |             |              the same lifetime is hidden here
[INFO] [stdout]     |                        |             the lifetime is named here
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn within<'a>(&'a self, mt: &'a Mutator) -> WithinMt<'a, &'a Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bytecode.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn decode_prune_mask(bytes: &[u8]) -> Prunes {
[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] 92 | pub fn decode_prune_mask(bytes: &[u8]) -> Prunes<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/anf.rs:59:69
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<()> { self.expr.to_doc(mt, cmp) }
[INFO] [stdout]    |                        --            -- the lifetime is named here  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<'a, ()> { self.expr.to_doc(mt, cmp) }
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/compiler/anf.rs:63:69
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<()> {
[INFO] [stdout]    |                        --            -- the lifetime is named here  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_doc<'a>(&'a self, mt: &'a Mutator, cmp: &Compiler) -> RcDoc<'a, ()> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/compiler/cfg.rs:218:53
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn within<'a>(&'a self, mt: &'a Mutator) -> WithinMt<&'a Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                        --            --             ^^^^^^^^^^--^^^^^^
[INFO] [stdout]     |                        |             |              |         |
[INFO] [stdout]     |                        |             |              |         the same lifetime is named here
[INFO] [stdout]     |                        |             |              the same lifetime is hidden here
[INFO] [stdout]     |                        |             the lifetime is named here
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn within<'a>(&'a self, mt: &'a Mutator) -> WithinMt<'a, &'a Self> { WithinMt {v: self, mt} }
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.33s
[INFO] running `Command { std: "docker" "inspect" "7ec33fe7048d9af309f4af6614145b4f851d927b1e079e7b0b51a19b1ce6fea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec33fe7048d9af309f4af6614145b4f851d927b1e079e7b0b51a19b1ce6fea5", kill_on_drop: false }`
[INFO] [stdout] 7ec33fe7048d9af309f4af6614145b4f851d927b1e079e7b0b51a19b1ce6fea5
