[INFO] cloning repository https://github.com/CarbonSmasher/dpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CarbonSmasher/dpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarbonSmasher%2Fdpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarbonSmasher%2Fdpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 046de5378f865068517f4aa193f0566ea0e0b331
[INFO] checking CarbonSmasher/dpc against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarbonSmasher%2Fdpc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CarbonSmasher/dpc
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/CarbonSmasher/dpc
[INFO] tweaked toml for git repo https://github.com/CarbonSmasher/dpc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CarbonSmasher/dpc on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CarbonSmasher/dpc 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee9f403cabcc5f299ff322a84353b33cf89c2067c27f93299c98d0941f4886c
[INFO] running `Command { std: "docker" "start" "-a" "7ee9f403cabcc5f299ff322a84353b33cf89c2067c27f93299c98d0941f4886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee9f403cabcc5f299ff322a84353b33cf89c2067c27f93299c98d0941f4886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee9f403cabcc5f299ff322a84353b33cf89c2067c27f93299c98d0941f4886c", kill_on_drop: false }`
[INFO] [stdout] 7ee9f403cabcc5f299ff322a84353b33cf89c2067c27f93299c98d0941f4886c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e2fc334341e1b132584da8ebbc5965b323bb8e053927838d37947df5a73ff59
[INFO] running `Command { std: "docker" "start" "-a" "0e2fc334341e1b132584da8ebbc5965b323bb8e053927838d37947df5a73ff59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.112
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]     Checking intset v1.0.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking include_dir v0.7.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling color-print-proc-macro v0.3.5
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking color-print v0.3.5
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking dpc v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `EqFloat` is never constructed
[INFO] [stdout]    --> src/util/mod.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct EqFloat(pub f32);
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `only_mut` is never used
[INFO] [stdout]    --> src/util/mod.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub trait Only {
[INFO] [stdout]     |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn only_mut(&mut self) -> Option<&mut Self::Item>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/mod.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn iter_fns(&self) -> std::collections::hash_map::Iter<ResourceLocation, Self::FunctionType> {
[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] 110 |     fn iter_fns(&self) -> std::collections::hash_map::Iter<'_, ResourceLocation, Self::FunctionType> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/mod.rs:115:3
[INFO] [stdout]     |
[INFO] [stdout] 115 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 116 |     ) -> std::collections::hash_map::IterMut<ResourceLocation, Self::FunctionType> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     ) -> std::collections::hash_map::IterMut<'_, ResourceLocation, Self::FunctionType> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lower/mir_to_lir/mod.rs:207:7
[INFO] [stdout]     |
[INFO] [stdout] 207 |                         i.try_into().expect("This should fit"),
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lower/mir_to_lir/mod.rs:223:7
[INFO] [stdout]     |
[INFO] [stdout] 223 |                         i.try_into().expect("This should fit"),
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, f64>
[INFO] [stdout]    --> src/parse/lex.rs:172:28
[INFO] [stdout]     |
[INFO] [stdout] 172 |                         tok = Token::Decimal(TryInto::<i32>::try_into(*num)?.try_into()?);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:172:28
[INFO] [stdout]     |
[INFO] [stdout] 172 |                         tok = Token::Decimal(TryInto::<i32>::try_into(*num)?.try_into()?);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/passes/opt/func/inline.rs:179:38
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let reg = fmt_lowered_arg(func_id, i.try_into().expect("This should fit"));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EqFloat` is never constructed
[INFO] [stdout]    --> src/util/mod.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct EqFloat(pub f32);
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `only_mut` is never used
[INFO] [stdout]    --> src/util/mod.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub trait Only {
[INFO] [stdout]     |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn only_mut(&mut self) -> Option<&mut Self::Item>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/mod.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn iter_fns(&self) -> std::collections::hash_map::Iter<ResourceLocation, Self::FunctionType> {
[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] 110 |     fn iter_fns(&self) -> std::collections::hash_map::Iter<'_, ResourceLocation, Self::FunctionType> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/mod.rs:115:3
[INFO] [stdout]     |
[INFO] [stdout] 115 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 116 |     ) -> std::collections::hash_map::IterMut<ResourceLocation, Self::FunctionType> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     ) -> std::collections::hash_map::IterMut<'_, ResourceLocation, Self::FunctionType> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lower/mir_to_lir/mod.rs:207:7
[INFO] [stdout]     |
[INFO] [stdout] 207 |                         i.try_into().expect("This should fit"),
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lower/mir_to_lir/mod.rs:223:7
[INFO] [stdout]     |
[INFO] [stdout] 223 |                         i.try_into().expect("This should fit"),
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, f64>
[INFO] [stdout]    --> src/parse/lex.rs:172:28
[INFO] [stdout]     |
[INFO] [stdout] 172 |                         tok = Token::Decimal(TryInto::<i32>::try_into(*num)?.try_into()?);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/parse/lex.rs:172:28
[INFO] [stdout]     |
[INFO] [stdout] 172 |                         tok = Token::Decimal(TryInto::<i32>::try_into(*num)?.try_into()?);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dpc` (lib) due to 5 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/passes/opt/func/inline.rs:179:38
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let reg = fmt_lowered_arg(func_id, i.try_into().expect("This should fit"));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dpc` (lib test) due to 5 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0e2fc334341e1b132584da8ebbc5965b323bb8e053927838d37947df5a73ff59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2fc334341e1b132584da8ebbc5965b323bb8e053927838d37947df5a73ff59", kill_on_drop: false }`
[INFO] [stdout] 0e2fc334341e1b132584da8ebbc5965b323bb8e053927838d37947df5a73ff59
