[INFO] fetching crate ctti 0.2.0... [INFO] testing ctti-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate ctti 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate ctti 0.2.0 [INFO] finished tweaking crates.io crate ctti 0.2.0 [INFO] tweaked toml for crates.io crate ctti 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ctti 0.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e91fbb5a64714961a67d4f4b88dac486d1c9c7349fe0bccc7f61f302fbdf1781 [INFO] running `Command { std: "docker" "start" "-a" "e91fbb5a64714961a67d4f4b88dac486d1c9c7349fe0bccc7f61f302fbdf1781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e91fbb5a64714961a67d4f4b88dac486d1c9c7349fe0bccc7f61f302fbdf1781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e91fbb5a64714961a67d4f4b88dac486d1c9c7349fe0bccc7f61f302fbdf1781", kill_on_drop: false }` [INFO] [stdout] e91fbb5a64714961a67d4f4b88dac486d1c9c7349fe0bccc7f61f302fbdf1781 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da96a82028adb40ef9ea52bb5b843395bb46af51a62e2e29c2549965f5369787 [INFO] running `Command { std: "docker" "start" "-a" "da96a82028adb40ef9ea52bb5b843395bb46af51a62e2e29c2549965f5369787", kill_on_drop: false }` [INFO] [stderr] Compiling ctti v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/type_id.rs:121:33 [INFO] [stdout] | [INFO] [stdout] 121 | ... let mut tmp = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/type_id.rs:122:33 [INFO] [stdout] | [INFO] [stdout] 122 | ... let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:203:5 [INFO] [stdout] | [INFO] [stdout] 198 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 203 | pub target: extern "C" fn() -> &'static Type, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "da96a82028adb40ef9ea52bb5b843395bb46af51a62e2e29c2549965f5369787", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da96a82028adb40ef9ea52bb5b843395bb46af51a62e2e29c2549965f5369787", kill_on_drop: false }` [INFO] [stdout] da96a82028adb40ef9ea52bb5b843395bb46af51a62e2e29c2549965f5369787 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 18834c4a8f550714c8342095e167e1be822c7107bfac4ca8ba9747f7db8b8d52 [INFO] running `Command { std: "docker" "start" "-a" "18834c4a8f550714c8342095e167e1be822c7107bfac4ca8ba9747f7db8b8d52", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/type_id.rs:121:33 [INFO] [stdout] | [INFO] [stdout] 121 | ... let mut tmp = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/type_id.rs:122:33 [INFO] [stdout] | [INFO] [stdout] 122 | ... let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ctti v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/lib.rs:203:5 [INFO] [stdout] | [INFO] [stdout] 198 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 203 | pub target: extern "C" fn() -> &'static Type, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon [INFO] [stdout] --> src/impls.rs:473:45 [INFO] [stdout] | [INFO] [stdout] 456 | const SELFREF_FN: extern "C" fn() -> &'static Type = type_info::; [INFO] [stdout] | -------------------------------------------------- constant defined here [INFO] [stdout] ... [INFO] [stdout] 473 | target: SELFREF_FN, [INFO] [stdout] | ^^^^^^^^^^ can't be used in patterns [INFO] [stdout] | [INFO] [stdout] = note: see https://github.com/rust-lang/rust/issues/70861 for details [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/type_id.rs:121:33 [INFO] [stdout] | [INFO] [stdout] 121 | ... let mut tmp = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/type_id.rs:122:33 [INFO] [stdout] | [INFO] [stdout] 122 | ... let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ctti` (lib test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "18834c4a8f550714c8342095e167e1be822c7107bfac4ca8ba9747f7db8b8d52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18834c4a8f550714c8342095e167e1be822c7107bfac4ca8ba9747f7db8b8d52", kill_on_drop: false }` [INFO] [stdout] 18834c4a8f550714c8342095e167e1be822c7107bfac4ca8ba9747f7db8b8d52