[INFO] fetching crate dpc 0.2.5... [INFO] checking dpc-0.2.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate dpc 0.2.5 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate dpc 0.2.5 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate dpc 0.2.5 [INFO] tweaked toml for crates.io crate dpc 0.2.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dpc 0.2.5 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 crates.io crate dpc 0.2.5 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fd3abb40cb834c9db5a89026ef31ac95072882b01b513cb05ace5c230cb85faa [INFO] running `Command { std: "docker" "start" "-a" "fd3abb40cb834c9db5a89026ef31ac95072882b01b513cb05ace5c230cb85faa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd3abb40cb834c9db5a89026ef31ac95072882b01b513cb05ace5c230cb85faa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd3abb40cb834c9db5a89026ef31ac95072882b01b513cb05ace5c230cb85faa", kill_on_drop: false }` [INFO] [stdout] fd3abb40cb834c9db5a89026ef31ac95072882b01b513cb05ace5c230cb85faa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e2f72e7ea5c7ccd6d810339bcd170b891c39feabc742840fc7a4b5a31ed988f0 [INFO] running `Command { std: "docker" "start" "-a" "e2f72e7ea5c7ccd6d810339bcd170b891c39feabc742840fc7a4b5a31ed988f0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling serde v1.0.196 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Compiling anyhow v1.0.79 [INFO] [stderr] Compiling serde_json v1.0.112 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking intset v1.0.2 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking anstream v0.6.11 [INFO] [stderr] Checking clap_builder v4.4.18 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling include_dir_macros v0.7.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking include_dir v0.7.3 [INFO] [stderr] Compiling color-print-proc-macro v0.3.5 [INFO] [stderr] Checking color-print v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.196 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking clap v4.4.18 [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 { [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 { [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 [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 [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, f64> [INFO] [stdout] --> src/parse/lex.rs:172:28 [INFO] [stdout] | [INFO] [stdout] 172 | tok = Token::Decimal(TryInto::::try_into(*num)?.try_into()?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parse/lex.rs:172:28 [INFO] [stdout] | [INFO] [stdout] 172 | tok = Token::Decimal(TryInto::::try_into(*num)?.try_into()?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [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] [stderr] warning: build failed, waiting for other jobs to finish... [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 { [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 { [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 [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 [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, f64> [INFO] [stdout] --> src/parse/lex.rs:172:28 [INFO] [stdout] | [INFO] [stdout] 172 | tok = Token::Decimal(TryInto::::try_into(*num)?.try_into()?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parse/lex.rs:172:28 [INFO] [stdout] | [INFO] [stdout] 172 | tok = Token::Decimal(TryInto::::try_into(*num)?.try_into()?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [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) due to 5 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e2f72e7ea5c7ccd6d810339bcd170b891c39feabc742840fc7a4b5a31ed988f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2f72e7ea5c7ccd6d810339bcd170b891c39feabc742840fc7a4b5a31ed988f0", kill_on_drop: false }` [INFO] [stdout] e2f72e7ea5c7ccd6d810339bcd170b891c39feabc742840fc7a4b5a31ed988f0