[INFO] cloning repository https://github.com/hgmich/demangle-gnuv2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hgmich/demangle-gnuv2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgmich%2Fdemangle-gnuv2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgmich%2Fdemangle-gnuv2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f78bb4ab0ae978940b77423c9823b25e8f3de6e [INFO] testing hgmich/demangle-gnuv2 against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgmich%2Fdemangle-gnuv2" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hgmich/demangle-gnuv2 [INFO] finished tweaking git repo https://github.com/hgmich/demangle-gnuv2 [INFO] tweaked toml for git repo https://github.com/hgmich/demangle-gnuv2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hgmich/demangle-gnuv2 on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hgmich/demangle-gnuv2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing hgmich/demangle-gnuv2 against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgmich%2Fdemangle-gnuv2" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hgmich/demangle-gnuv2 [INFO] finished tweaking git repo https://github.com/hgmich/demangle-gnuv2 [INFO] tweaked toml for git repo https://github.com/hgmich/demangle-gnuv2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hgmich/demangle-gnuv2 on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hgmich/demangle-gnuv2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jiff-static v0.2.23 [INFO] [stderr] Downloaded bitfield-struct v0.10.1 [INFO] [stderr] Downloaded env_filter v1.0.1 [INFO] [stderr] Downloaded pyo3-build-config v0.28.3 [INFO] [stderr] Downloaded pyo3-ffi v0.28.3 [INFO] [stderr] Downloaded pyo3 v0.28.3 [INFO] [stderr] Downloaded env_logger v0.11.10 [INFO] [stderr] Downloaded pyo3-macros v0.28.3 [INFO] [stderr] Downloaded jiff v0.2.23 [INFO] [stderr] Downloaded pyo3-macros-backend v0.28.3 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4cc54c08c104f92f6d075127d061dfd052ba2400fe9bf6259f9c5c024dc2615 [INFO] running `Command { std: "docker" "start" "-a" "e4cc54c08c104f92f6d075127d061dfd052ba2400fe9bf6259f9c5c024dc2615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4cc54c08c104f92f6d075127d061dfd052ba2400fe9bf6259f9c5c024dc2615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4cc54c08c104f92f6d075127d061dfd052ba2400fe9bf6259f9c5c024dc2615", kill_on_drop: false }` [INFO] [stdout] e4cc54c08c104f92f6d075127d061dfd052ba2400fe9bf6259f9c5c024dc2615 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ecf99b117e2ee2d1bb88ca3d9a4fd086969a6110aa1659eba7e3e3306963fbd [INFO] running `Command { std: "docker" "start" "-a" "7ecf99b117e2ee2d1bb88ca3d9a4fd086969a6110aa1659eba7e3e3306963fbd", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.8.10 [INFO] [stderr] Compiling jiff v0.2.23 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling anstream v1.0.0 [INFO] [stderr] Compiling regex-automata v0.4.14 [INFO] [stderr] Compiling regex v1.12.3 [INFO] [stderr] Compiling thiserror-impl v2.0.18 [INFO] [stderr] Compiling bitfield-struct v0.10.1 [INFO] [stderr] Compiling env_filter v1.0.1 [INFO] [stderr] Compiling env_logger v0.11.10 [INFO] [stderr] Compiling thiserror v2.0.18 [INFO] [stderr] Compiling demangle-gnuv2 v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:1505:13 [INFO] [stdout] | [INFO] [stdout] 1505 | _ => mangled, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:1505:13 [INFO] [stdout] | [INFO] [stdout] 1330 | GnuMangleCase::Destructor => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1337 | GnuMangleCase::Vtable => { [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1393 | GnuMangleCase::StaticMember => { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1434 | GnuMangleCase::VirtualThunk => { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1505 | _ => mangled, [INFO] [stdout] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `idx` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:1687:21 [INFO] [stdout] | [INFO] [stdout] 1687 | let idx; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_idx` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:1757:17 [INFO] [stdout] | [INFO] [stdout] 1743 | mangled = &mangled[1..]; [INFO] [stdout] | ----------------------- `mangled` is overwritten here before the previous value is read [INFO] [stdout] ... [INFO] [stdout] 1757 | mangled = &mangled[1..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:1690:21 [INFO] [stdout] | [INFO] [stdout] 1690 | mangled, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `idx` is never read [INFO] [stdout] --> src/lib.rs:1689:28 [INFO] [stdout] | [INFO] [stdout] 1689 | value: idx, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:1844:21 [INFO] [stdout] | [INFO] [stdout] 1844 | mangled = &mangled[1..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding [INFO] [stdout] | [INFO] [stdout] 1809 ~ mangled: &'a mut [u8], [INFO] [stdout] 1810 | result: &'_ mut Vec, [INFO] [stdout] ... [INFO] [stdout] 1843 | log::debug!("do_type: array"); [INFO] [stdout] 1844 ~ *mangled = mangled[1..]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:2167:21 [INFO] [stdout] | [INFO] [stdout] 2167 | mangled = &mangled[1..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding [INFO] [stdout] | [INFO] [stdout] 2122 ~ mangled: &'a mut [u8], [INFO] [stdout] 2123 | result: &'_ mut Vec, [INFO] [stdout] ... [INFO] [stdout] 2166 | log::debug!("fundamental type: complex"); [INFO] [stdout] 2167 ~ *mangled = mangled[1..]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/lib.rs:3241:17 [INFO] [stdout] | [INFO] [stdout] 3241 | let mut n = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 3256 | value: n, [INFO] [stdout] | - `n` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TypeKind` is never used [INFO] [stdout] --> src/lib.rs:72:6 [INFO] [stdout] | [INFO] [stdout] 72 | enum TypeKind { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s [INFO] running `Command { std: "docker" "inspect" "7ecf99b117e2ee2d1bb88ca3d9a4fd086969a6110aa1659eba7e3e3306963fbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ecf99b117e2ee2d1bb88ca3d9a4fd086969a6110aa1659eba7e3e3306963fbd", kill_on_drop: false }` [INFO] [stdout] 7ecf99b117e2ee2d1bb88ca3d9a4fd086969a6110aa1659eba7e3e3306963fbd [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5750cc5fd50b7b2c34f747a95dbe0beefc6b8f098f89bd11f21d3a1ca5004f5f [INFO] running `Command { std: "docker" "start" "-a" "5750cc5fd50b7b2c34f747a95dbe0beefc6b8f098f89bd11f21d3a1ca5004f5f", kill_on_drop: false }` [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:1505:13 [INFO] [stdout] | [INFO] [stdout] 1505 | _ => mangled, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:1505:13 [INFO] [stdout] | [INFO] [stdout] 1330 | GnuMangleCase::Destructor => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1337 | GnuMangleCase::Vtable => { [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1393 | GnuMangleCase::StaticMember => { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1434 | GnuMangleCase::VirtualThunk => { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1505 | _ => mangled, [INFO] [stdout] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `idx` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:1687:21 [INFO] [stdout] | [INFO] [stdout] 1687 | let idx; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_idx` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:1757:17 [INFO] [stdout] | [INFO] [stdout] 1743 | mangled = &mangled[1..]; [INFO] [stdout] | ----------------------- `mangled` is overwritten here before the previous value is read [INFO] [stdout] ... [INFO] [stdout] 1757 | mangled = &mangled[1..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:1690:21 [INFO] [stdout] | [INFO] [stdout] 1690 | mangled, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `idx` is never read [INFO] [stdout] --> src/lib.rs:1689:28 [INFO] [stdout] | [INFO] [stdout] 1689 | value: idx, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:1844:21 [INFO] [stdout] | [INFO] [stdout] 1844 | mangled = &mangled[1..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding [INFO] [stdout] | [INFO] [stdout] 1809 ~ mangled: &'a mut [u8], [INFO] [stdout] 1810 | result: &'_ mut Vec, [INFO] [stdout] ... [INFO] [stdout] 1843 | log::debug!("do_type: array"); [INFO] [stdout] 1844 ~ *mangled = mangled[1..]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling demangle-gnuv2 v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:2167:21 [INFO] [stdout] | [INFO] [stdout] 2167 | mangled = &mangled[1..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding [INFO] [stdout] | [INFO] [stdout] 2122 ~ mangled: &'a mut [u8], [INFO] [stdout] 2123 | result: &'_ mut Vec, [INFO] [stdout] ... [INFO] [stdout] 2166 | log::debug!("fundamental type: complex"); [INFO] [stdout] 2167 ~ *mangled = mangled[1..]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/lib.rs:3241:17 [INFO] [stdout] | [INFO] [stdout] 3241 | let mut n = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 3256 | value: n, [INFO] [stdout] | - `n` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TypeKind` is never used [INFO] [stdout] --> src/lib.rs:72:6 [INFO] [stdout] | [INFO] [stdout] 72 | enum TypeKind { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:1505:13 [INFO] [stdout] | [INFO] [stdout] 1505 | _ => mangled, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:1505:13 [INFO] [stdout] | [INFO] [stdout] 1330 | GnuMangleCase::Destructor => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1337 | GnuMangleCase::Vtable => { [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1393 | GnuMangleCase::StaticMember => { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1434 | GnuMangleCase::VirtualThunk => { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1505 | _ => mangled, [INFO] [stdout] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `idx` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:1687:21 [INFO] [stdout] | [INFO] [stdout] 1687 | let idx; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_idx` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:1757:17 [INFO] [stdout] | [INFO] [stdout] 1743 | mangled = &mangled[1..]; [INFO] [stdout] | ----------------------- `mangled` is overwritten here before the previous value is read [INFO] [stdout] ... [INFO] [stdout] 1757 | mangled = &mangled[1..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:1690:21 [INFO] [stdout] | [INFO] [stdout] 1690 | mangled, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `idx` is never read [INFO] [stdout] --> src/lib.rs:1689:28 [INFO] [stdout] | [INFO] [stdout] 1689 | value: idx, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:1844:21 [INFO] [stdout] | [INFO] [stdout] 1844 | mangled = &mangled[1..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding [INFO] [stdout] | [INFO] [stdout] 1809 ~ mangled: &'a mut [u8], [INFO] [stdout] 1810 | result: &'_ mut Vec, [INFO] [stdout] ... [INFO] [stdout] 1843 | log::debug!("do_type: array"); [INFO] [stdout] 1844 ~ *mangled = mangled[1..]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mangled` is never read [INFO] [stdout] --> src/lib.rs:2167:21 [INFO] [stdout] | [INFO] [stdout] 2167 | mangled = &mangled[1..]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding [INFO] [stdout] | [INFO] [stdout] 2122 ~ mangled: &'a mut [u8], [INFO] [stdout] 2123 | result: &'_ mut Vec, [INFO] [stdout] ... [INFO] [stdout] 2166 | log::debug!("fundamental type: complex"); [INFO] [stdout] 2167 ~ *mangled = mangled[1..]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/lib.rs:3241:17 [INFO] [stdout] | [INFO] [stdout] 3241 | let mut n = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 3256 | value: n, [INFO] [stdout] | - `n` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TypeKind` is never used [INFO] [stdout] --> src/lib.rs:72:6 [INFO] [stdout] | [INFO] [stdout] 72 | enum TypeKind { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "5750cc5fd50b7b2c34f747a95dbe0beefc6b8f098f89bd11f21d3a1ca5004f5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5750cc5fd50b7b2c34f747a95dbe0beefc6b8f098f89bd11f21d3a1ca5004f5f", kill_on_drop: false }` [INFO] [stdout] 5750cc5fd50b7b2c34f747a95dbe0beefc6b8f098f89bd11f21d3a1ca5004f5f [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ca0f413ad74f23c22f5d941d4d473accd78766b8819c8c2282a6715dc4a81892 [INFO] running `Command { std: "docker" "start" "-a" "ca0f413ad74f23c22f5d941d4d473accd78766b8819c8c2282a6715dc4a81892", kill_on_drop: false }` [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/lib.rs:1505:13 [INFO] [stderr] | [INFO] [stderr] 1505 | _ => mangled, [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] note: multiple earlier patterns match some of the same values [INFO] [stderr] --> src/lib.rs:1505:13 [INFO] [stderr] | [INFO] [stderr] 1330 | GnuMangleCase::Destructor => { [INFO] [stderr] | ------------------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 1337 | GnuMangleCase::Vtable => { [INFO] [stderr] | --------------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 1393 | GnuMangleCase::StaticMember => { [INFO] [stderr] | --------------------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 1434 | GnuMangleCase::VirtualThunk => { [INFO] [stderr] | --------------------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 1505 | _ => mangled, [INFO] [stderr] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable `idx` is assigned to, but never used [INFO] [stderr] --> src/lib.rs:1687:21 [INFO] [stderr] | [INFO] [stderr] 1687 | let idx; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_idx` instead [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mangled` is never read [INFO] [stderr] --> src/lib.rs:1757:17 [INFO] [stderr] | [INFO] [stderr] 1743 | mangled = &mangled[1..]; [INFO] [stderr] | ----------------------- `mangled` is overwritten here before the previous value is read [INFO] [stderr] ... [INFO] [stderr] 1757 | mangled = &mangled[1..]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mangled` is never read [INFO] [stderr] --> src/lib.rs:1690:21 [INFO] [stderr] | [INFO] [stderr] 1690 | mangled, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `idx` is never read [INFO] [stderr] --> src/lib.rs:1689:28 [INFO] [stderr] | [INFO] [stderr] 1689 | value: idx, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mangled` is never read [INFO] [stderr] --> src/lib.rs:1844:21 [INFO] [stderr] | [INFO] [stderr] 1844 | mangled = &mangled[1..]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding [INFO] [stderr] | [INFO] [stderr] 1809 ~ mangled: &'a mut [u8], [INFO] [stderr] 1810 | result: &'_ mut Vec, [INFO] [stderr] ... [INFO] [stderr] 1843 | log::debug!("do_type: array"); [INFO] [stderr] 1844 ~ *mangled = mangled[1..]; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mangled` is never read [INFO] [stderr] --> src/lib.rs:2167:21 [INFO] [stderr] | [INFO] [stderr] 2167 | mangled = &mangled[1..]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding [INFO] [stderr] | [INFO] [stderr] 2122 ~ mangled: &'a mut [u8], [INFO] [stderr] 2123 | result: &'_ mut Vec, [INFO] [stderr] ... [INFO] [stderr] 2166 | log::debug!("fundamental type: complex"); [INFO] [stderr] 2167 ~ *mangled = mangled[1..]; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: value assigned to `n` is never read [INFO] [stderr] --> src/lib.rs:3241:17 [INFO] [stderr] | [INFO] [stderr] 3241 | let mut n = 0; [INFO] [stderr] | ^ this value is reassigned later and never used [INFO] [stderr] ... [INFO] [stderr] 3256 | value: n, [INFO] [stderr] | - `n` is overwritten here before the previous value is read [INFO] [stderr] [INFO] [stderr] warning: enum `TypeKind` is never used [INFO] [stderr] --> src/lib.rs:72:6 [INFO] [stderr] | [INFO] [stderr] 72 | enum TypeKind { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `demangle-gnuv2` (lib) generated 9 warnings [INFO] [stderr] warning: `demangle-gnuv2` (lib test) generated 9 warnings (9 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/demangle_gnuv2-b8f4c2778e8e034f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests demangle_gnuv2 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ca0f413ad74f23c22f5d941d4d473accd78766b8819c8c2282a6715dc4a81892", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca0f413ad74f23c22f5d941d4d473accd78766b8819c8c2282a6715dc4a81892", kill_on_drop: false }` [INFO] [stdout] ca0f413ad74f23c22f5d941d4d473accd78766b8819c8c2282a6715dc4a81892