[INFO] fetching crate pr47 0.1.4-CHARLIE...
[INFO] checking pr47-0.1.4-CHARLIE against 1.95.0 for pr-155915
[INFO] extracting crate pr47 0.1.4-CHARLIE into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate pr47 0.1.4-CHARLIE
[INFO] finished tweaking crates.io crate pr47 0.1.4-CHARLIE
[INFO] tweaked toml for crates.io crate pr47 0.1.4-CHARLIE written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pr47 0.1.4-CHARLIE 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 crates.io crate pr47 0.1.4-CHARLIE 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 }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded variant_count v1.1.0
[INFO] [stderr]   Downloaded pollster v0.3.0
[INFO] [stderr]   Downloaded pr47-codegen v0.0.2
[INFO] [stderr]   Downloaded unchecked_unwrap v4.0.0
[INFO] [stderr]   Downloaded xjbutil v0.9.0-CHARLIE
[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] 683a944adf2d1d709971458e436c6bd9089618c26d494ece1b37cba7631e64eb
[INFO] running `Command { std: "docker" "start" "-a" "683a944adf2d1d709971458e436c6bd9089618c26d494ece1b37cba7631e64eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "683a944adf2d1d709971458e436c6bd9089618c26d494ece1b37cba7631e64eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683a944adf2d1d709971458e436c6bd9089618c26d494ece1b37cba7631e64eb", kill_on_drop: false }`
[INFO] [stdout] 683a944adf2d1d709971458e436c6bd9089618c26d494ece1b37cba7631e64eb
[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] 6e4cd0b08c4d589e63fcc49e038d193e4e11d63dde5b89e6096245a428a2ae52
[INFO] running `Command { std: "docker" "start" "-a" "6e4cd0b08c4d589e63fcc49e038d193e4e11d63dde5b89e6096245a428a2ae52", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking unchecked_unwrap v4.0.0
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking futures v0.3.26
[INFO] [stderr]     Checking xjbutil v0.9.0-CHARLIE
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]    Compiling pr47-codegen v0.0.2
[INFO] [stderr]    Compiling variant_count v1.1.0
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]     Checking pr47 v0.1.4-CHARLIE (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `al31fm2`
[INFO] [stdout]   --> src/builtins/object.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(all(feature = "al31fm2", not(feature = "al31fm2-builtin-ops")))]
[INFO] [stdout]    |           ^^^^^^^^^^---------
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: there is a expected value with a similar name: `"al31f"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `al31f`, `al31f-builtin-ops`, `async`, `async-astd`, `async-avoid-block`, `async-std`, `async-tokio`, `bench`, `compiler`, `compiler-pretty-diag`, `d30f6`, `default`, `futures`, `huge-align`, `log`, `no-rtlc`, `optimized-rtlc`, `phf`, `std47`, `tokio`, `tracing`, `unicode-width`, `with-log`, and `with-tracing`
[INFO] [stdout]    = help: consider adding `al31fm2` as a feature in `Cargo.toml`
[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 value: `al31fm2-builtin-ops`
[INFO] [stdout]   --> src/builtins/object.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(all(feature = "al31fm2", not(feature = "al31fm2-builtin-ops")))]
[INFO] [stdout]    |                                    ^^^^^^^^^^---------------------
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: there is a expected value with a similar name: `"al31f-builtin-ops"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `al31f`, `al31f-builtin-ops`, `async`, `async-astd`, `async-avoid-block`, `async-std`, `async-tokio`, `bench`, `compiler`, `compiler-pretty-diag`, `d30f6`, `default`, `futures`, `huge-align`, `log`, `no-rtlc`, `optimized-rtlc`, `phf`, `std47`, `tokio`, `tracing`, `unicode-width`, `with-log`, and `with-tracing`
[INFO] [stdout]    = help: consider adding `al31fm2-builtin-ops` as a feature in `Cargo.toml`
[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: unused import: `transmute`
[INFO] [stdout]  --> src/data/mod.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::mem::{MaybeUninit, transmute};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `addr_of_mut`
[INFO] [stdout]  --> src/vm/al31f/stack.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ptr::{addr_of_mut, NonNull, slice_from_raw_parts_mut};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `xjbutil::value::Value`
[INFO] [stdout]  --> src/sema/phase2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use xjbutil::value::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `diag_data`
[INFO] [stdout]  --> src/sema/phase2.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::diag::{diag_data, DiagContext};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sema::decl::ObjectDecl`
[INFO] [stdout]  --> src/sema/phase2.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::sema::decl::ObjectDecl;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IdRefExpr`
[INFO] [stdout]  --> src/sema/phase2.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::sema::expr::{Expr, IdRefExpr, LiteralExpr};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ScopeKind`
[INFO] [stdout]   --> src/sema/phase2.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::sema::scope::{Scope, ScopeKind};
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `al31fm2`
[INFO] [stdout]   --> src/builtins/object.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(all(feature = "al31fm2", not(feature = "al31fm2-builtin-ops")))]
[INFO] [stdout]    |           ^^^^^^^^^^---------
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: there is a expected value with a similar name: `"al31f"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `al31f`, `al31f-builtin-ops`, `async`, `async-astd`, `async-avoid-block`, `async-std`, `async-tokio`, `bench`, `compiler`, `compiler-pretty-diag`, `d30f6`, `default`, `futures`, `huge-align`, `log`, `no-rtlc`, `optimized-rtlc`, `phf`, `std47`, `tokio`, `tracing`, `unicode-width`, `with-log`, and `with-tracing`
[INFO] [stdout]    = help: consider adding `al31fm2` as a feature in `Cargo.toml`
[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 value: `al31fm2-builtin-ops`
[INFO] [stdout]   --> src/builtins/object.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(all(feature = "al31fm2", not(feature = "al31fm2-builtin-ops")))]
[INFO] [stdout]    |                                    ^^^^^^^^^^---------------------
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: there is a expected value with a similar name: `"al31f-builtin-ops"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `al31f`, `al31f-builtin-ops`, `async`, `async-astd`, `async-avoid-block`, `async-std`, `async-tokio`, `bench`, `compiler`, `compiler-pretty-diag`, `d30f6`, `default`, `futures`, `huge-align`, `log`, `no-rtlc`, `optimized-rtlc`, `phf`, `std47`, `tokio`, `tracing`, `unicode-width`, `with-log`, and `with-tracing`
[INFO] [stdout]    = help: consider adding `al31fm2-builtin-ops` as a feature in `Cargo.toml`
[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: unused import: `transmute`
[INFO] [stdout]  --> src/data/mod.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::mem::{MaybeUninit, transmute};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `addr_of_mut`
[INFO] [stdout]  --> src/vm/al31f/stack.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ptr::{addr_of_mut, NonNull, slice_from_raw_parts_mut};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `xjbutil::value::Value`
[INFO] [stdout]  --> src/sema/phase2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use xjbutil::value::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `diag_data`
[INFO] [stdout]  --> src/sema/phase2.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::diag::{diag_data, DiagContext};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sema::decl::ObjectDecl`
[INFO] [stdout]  --> src/sema/phase2.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::sema::decl::ObjectDecl;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IdRefExpr`
[INFO] [stdout]  --> src/sema/phase2.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::sema::expr::{Expr, IdRefExpr, LiteralExpr};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ScopeKind`
[INFO] [stdout]   --> src/sema/phase2.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::sema::scope::{Scope, ScopeKind};
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parse/syntax_action.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'a> DataMapLens<'a> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 30 |     pub(crate) fn new(namespace: &'static str, data_map_ref: &'a mut DataMap) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data_map` and `arena` are never read
[INFO] [stdout]   --> src/parse/syntax_action.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct SyntaxActionApplier<'s, 'd> {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 63 |     data_map: DataMap,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     arena: &'s TokenLitArena,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `scope` and `diag` are never read
[INFO] [stdout]   --> src/sema/phase2.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct SemaPhase2<'s, 'd> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 26 |     scope: Scope<'s>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     diag: &'d mut DiagContext
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/std47/math.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Vec2(f64, f64);
[INFO] [stdout]   |            ---- ^^^  ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> src/std47/math.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Vec3(f64, f64, f64);
[INFO] [stdout]   |            ---- ^^^  ^^^  ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> src/std47/math.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Vec4(f64, f64, f64, f64);
[INFO] [stdout]   |            ---- ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/diag/mod.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn diag(&mut self, location: SourceLoc, diag_id: u32) -> DiagBuilderCtx {
[INFO] [stdout]     |                 ^^^^^^^^^ the lifetime is elided here            ^^^^^^^^^^^^^^ the same lifetime is hidden 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] 168 |     pub fn diag(&mut self, location: SourceLoc, diag_id: u32) -> DiagBuilderCtx<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parse/syntax_action.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'a> DataMapLens<'a> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 30 |     pub(crate) fn new(namespace: &'static str, data_map_ref: &'a mut DataMap) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data_map` and `arena` are never read
[INFO] [stdout]   --> src/parse/syntax_action.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct SyntaxActionApplier<'s, 'd> {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 63 |     data_map: DataMap,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     arena: &'s TokenLitArena,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `scope` and `diag` are never read
[INFO] [stdout]   --> src/sema/phase2.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct SemaPhase2<'s, 'd> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 26 |     scope: Scope<'s>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     diag: &'d mut DiagContext
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/std47/math.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Vec2(f64, f64);
[INFO] [stdout]   |            ---- ^^^  ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]  --> src/std47/math.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Vec3(f64, f64, f64);
[INFO] [stdout]   |            ---- ^^^  ^^^  ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> src/std47/math.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Vec4(f64, f64, f64, f64);
[INFO] [stdout]   |            ---- ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/data/test.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             drop(dyn_base);
[INFO] [stdout]     |             ^^^^^--------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&dyn DynBase`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 153 -             drop(dyn_base);
[INFO] [stdout] 153 +             let _ = dyn_base;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/data/test.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |             drop(test_struct_ref);
[INFO] [stdout]     |             ^^^^^---------------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&Wrapper<TestStruct>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 165 -             drop(test_struct_ref);
[INFO] [stdout] 165 +             let _ = test_struct_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/diag/mod.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn diag(&mut self, location: SourceLoc, diag_id: u32) -> DiagBuilderCtx {
[INFO] [stdout]     |                 ^^^^^^^^^ the lifetime is elided here            ^^^^^^^^^^^^^^ the same lifetime is hidden 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] 168 |     pub fn diag(&mut self, location: SourceLoc, diag_id: u32) -> DiagBuilderCtx<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "6e4cd0b08c4d589e63fcc49e038d193e4e11d63dde5b89e6096245a428a2ae52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4cd0b08c4d589e63fcc49e038d193e4e11d63dde5b89e6096245a428a2ae52", kill_on_drop: false }`
[INFO] [stdout] 6e4cd0b08c4d589e63fcc49e038d193e4e11d63dde5b89e6096245a428a2ae52
