[INFO] fetching crate classgroup 0.1.0... [INFO] checking classgroup-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate classgroup 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate classgroup 0.1.0 [INFO] finished tweaking crates.io crate classgroup 0.1.0 [INFO] tweaked toml for crates.io crate classgroup 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate classgroup 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 68 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a920d48847ea2bdbbfca07c5a9e423f07d12c276e6d12ff4f064d3e2a200fa2a [INFO] running `Command { std: "docker" "start" "-a" "a920d48847ea2bdbbfca07c5a9e423f07d12c276e6d12ff4f064d3e2a200fa2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a920d48847ea2bdbbfca07c5a9e423f07d12c276e6d12ff4f064d3e2a200fa2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a920d48847ea2bdbbfca07c5a9e423f07d12c276e6d12ff4f064d3e2a200fa2a", kill_on_drop: false }` [INFO] [stdout] a920d48847ea2bdbbfca07c5a9e423f07d12c276e6d12ff4f064d3e2a200fa2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d1de985e4533cc10adc45a86ac1be04244544402f6497b45d446a6ee6b33479 [INFO] running `Command { std: "docker" "start" "-a" "1d1de985e4533cc10adc45a86ac1be04244544402f6497b45d446a6ee6b33479", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking anstyle v1.0.11 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking clap_lex v0.7.5 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking clap_builder v4.5.44 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking classgroup v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking criterion-plot v0.6.0 [INFO] [stdout] warning: unexpected `cfg` condition name: `none` [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:210:7 [INFO] [stdout] | [INFO] [stdout] 210 | #[cfg(none)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(none)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(none)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] help: found config with similar value [INFO] [stdout] | [INFO] [stdout] 210 - #[cfg(none)] [INFO] [stdout] 210 + #[cfg(fmt_debug = "none")] [INFO] [stdout] | [INFO] [stdout] help: found config with similar value [INFO] [stdout] | [INFO] [stdout] 210 - #[cfg(none)] [INFO] [stdout] 210 + #[cfg(target_os = "none")] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use std::mem::{uninitialized,size_of}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/gmp/mod.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![warn(deprecated)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:132:27 [INFO] [stdout] | [INFO] [stdout] 132 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:141:27 [INFO] [stdout] | [INFO] [stdout] 141 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:189:27 [INFO] [stdout] | [INFO] [stdout] 189 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:458:27 [INFO] [stdout] | [INFO] [stdout] 458 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:495:27 [INFO] [stdout] | [INFO] [stdout] 495 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:240:33 [INFO] [stdout] | [INFO] [stdout] 240 | let mut s: usize = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gmp/mpz.rs:487:40 [INFO] [stdout] | [INFO] [stdout] 487 | fn cause(&self) -> Option<&'static Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 487 | fn cause(&self) -> Option<&'static dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/gmp/mpz.rs:478:14 [INFO] [stdout] | [INFO] [stdout] 478 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:132:27 [INFO] [stdout] | [INFO] [stdout] 132 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:141:27 [INFO] [stdout] | [INFO] [stdout] 141 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:189:27 [INFO] [stdout] | [INFO] [stdout] 189 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:458:27 [INFO] [stdout] | [INFO] [stdout] 458 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:495:27 [INFO] [stdout] | [INFO] [stdout] 495 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/gmp_classgroup/mod.rs:376:38 [INFO] [stdout] | [INFO] [stdout] 376 | let mut s = Clone::clone(self.borrow()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `GmpClassGroup` does not implement `Borrow`, so calling `borrow` on `&GmpClassGroup` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 376 - let mut s = Clone::clone(self.borrow()); [INFO] [stdout] 376 + let mut s = Clone::clone(self); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `GmpClassGroup`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 29 + #[derive(Clone)] [INFO] [stdout] 30 | pub struct GmpClassGroup { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `usize` does not permit being left uninitialized [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:240:28 [INFO] [stdout] | [INFO] [stdout] 240 | let mut s: usize = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `__gmpz_sizeinbase` redeclared with a different signature [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | fn __gmpz_sizeinbase(op: &Mpz, base: c_int) -> size_t; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration [INFO] [stdout] | [INFO] [stdout] ::: src/gmp/mpz.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | fn __gmpz_sizeinbase(op: mpz_srcptr, base: c_int) -> size_t; [INFO] [stdout] | ------------------------------------------------------------ `__gmpz_sizeinbase` previously declared here [INFO] [stdout] | [INFO] [stdout] = note: expected `unsafe extern "C" fn(*const mpz_struct, i32) -> usize` [INFO] [stdout] found `for<'a> unsafe extern "C" fn(&'a Mpz, i32) -> usize` [INFO] [stdout] = note: `#[warn(clashing_extern_declarations)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `__gmpz_export` redeclared with a different signature [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | / fn __gmpz_export( [INFO] [stdout] 58 | | rop: *mut c_void, [INFO] [stdout] 59 | | countp: *mut size_t, [INFO] [stdout] 60 | | order: c_int, [INFO] [stdout] ... | [INFO] [stdout] 64 | | op: &Mpz, [INFO] [stdout] 65 | | ) -> *mut c_void; [INFO] [stdout] | |_____________________^ this signature doesn't match the previous declaration [INFO] [stdout] | [INFO] [stdout] ::: src/gmp/mpz.rs:91:5 [INFO] [stdout] | [INFO] [stdout] 91 | / fn __gmpz_export(rop: *mut c_void, countp: *mut size_t, order: c_int, size: size_t, [INFO] [stdout] 92 | | endian: c_int, nails: size_t, op: mpz_srcptr); [INFO] [stdout] | |___________________________________________________________________- `__gmpz_export` previously declared here [INFO] [stdout] | [INFO] [stdout] = note: expected `unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, *const mpz_struct)` [INFO] [stdout] found `for<'a> unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, &'a Mpz) -> *mut c_void` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap v4.5.45 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.7.0 [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `gmp` [INFO] [stdout] --> bench/bench.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use gmp::mpz::Mpz; [INFO] [stdout] | ^^^ use of unresolved module or unlinked crate `gmp` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `gmp`, use `cargo add gmp` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `none` [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:210:7 [INFO] [stdout] | [INFO] [stdout] 210 | #[cfg(none)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(none)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(none)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] help: found config with similar value [INFO] [stdout] | [INFO] [stdout] 210 - #[cfg(none)] [INFO] [stdout] 210 + #[cfg(fmt_debug = "none")] [INFO] [stdout] | [INFO] [stdout] help: found config with similar value [INFO] [stdout] | [INFO] [stdout] 210 - #[cfg(none)] [INFO] [stdout] 210 + #[cfg(target_os = "none")] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> bench/bench.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use std::mem::{uninitialized,size_of}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/gmp/mod.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![warn(deprecated)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:132:27 [INFO] [stdout] | [INFO] [stdout] 132 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:141:27 [INFO] [stdout] | [INFO] [stdout] 141 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:189:27 [INFO] [stdout] | [INFO] [stdout] 189 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:458:27 [INFO] [stdout] | [INFO] [stdout] 458 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp/mpz.rs:495:27 [INFO] [stdout] | [INFO] [stdout] 495 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:240:33 [INFO] [stdout] | [INFO] [stdout] 240 | let mut s: usize = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gmp/mpz.rs:487:40 [INFO] [stdout] | [INFO] [stdout] 487 | fn cause(&self) -> Option<&'static Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 487 | fn cause(&self) -> Option<&'static dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `classgroup` (bench "classgroup-bench") due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/gmp/mpz.rs:478:14 [INFO] [stdout] | [INFO] [stdout] 478 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:132:27 [INFO] [stdout] | [INFO] [stdout] 132 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:141:27 [INFO] [stdout] | [INFO] [stdout] 141 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:189:27 [INFO] [stdout] | [INFO] [stdout] 189 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:458:27 [INFO] [stdout] | [INFO] [stdout] 458 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `mpz_struct` does not permit being left uninitialized [INFO] [stdout] --> src/gmp/mpz.rs:495:27 [INFO] [stdout] | [INFO] [stdout] 495 | let mut mpz = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/gmp/mpz.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | _mp_alloc: c_int, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/gmp_classgroup/mod.rs:376:38 [INFO] [stdout] | [INFO] [stdout] 376 | let mut s = Clone::clone(self.borrow()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `gmp_classgroup::GmpClassGroup` does not implement `Borrow`, so calling `borrow` on `&gmp_classgroup::GmpClassGroup` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 376 - let mut s = Clone::clone(self.borrow()); [INFO] [stdout] 376 + let mut s = Clone::clone(self); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `gmp_classgroup::GmpClassGroup`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 29 + #[derive(Clone)] [INFO] [stdout] 30 | pub struct GmpClassGroup { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `usize` does not permit being left uninitialized [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:240:28 [INFO] [stdout] | [INFO] [stdout] 240 | let mut s: usize = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `__gmpz_sizeinbase` redeclared with a different signature [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | fn __gmpz_sizeinbase(op: &Mpz, base: c_int) -> size_t; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration [INFO] [stdout] | [INFO] [stdout] ::: src/gmp/mpz.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | fn __gmpz_sizeinbase(op: mpz_srcptr, base: c_int) -> size_t; [INFO] [stdout] | ------------------------------------------------------------ `__gmpz_sizeinbase` previously declared here [INFO] [stdout] | [INFO] [stdout] = note: expected `unsafe extern "C" fn(*const mpz_struct, i32) -> usize` [INFO] [stdout] found `for<'a> unsafe extern "C" fn(&'a gmp::mpz::Mpz, i32) -> usize` [INFO] [stdout] = note: `#[warn(clashing_extern_declarations)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `__gmpz_export` redeclared with a different signature [INFO] [stdout] --> src/gmp_classgroup/ffi.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | / fn __gmpz_export( [INFO] [stdout] 58 | | rop: *mut c_void, [INFO] [stdout] 59 | | countp: *mut size_t, [INFO] [stdout] 60 | | order: c_int, [INFO] [stdout] ... | [INFO] [stdout] 64 | | op: &Mpz, [INFO] [stdout] 65 | | ) -> *mut c_void; [INFO] [stdout] | |_____________________^ this signature doesn't match the previous declaration [INFO] [stdout] | [INFO] [stdout] ::: src/gmp/mpz.rs:91:5 [INFO] [stdout] | [INFO] [stdout] 91 | / fn __gmpz_export(rop: *mut c_void, countp: *mut size_t, order: c_int, size: size_t, [INFO] [stdout] 92 | | endian: c_int, nails: size_t, op: mpz_srcptr); [INFO] [stdout] | |___________________________________________________________________- `__gmpz_export` previously declared here [INFO] [stdout] | [INFO] [stdout] = note: expected `unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, *const mpz_struct)` [INFO] [stdout] found `for<'a> unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, &'a gmp::mpz::Mpz) -> *mut c_void` [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1d1de985e4533cc10adc45a86ac1be04244544402f6497b45d446a6ee6b33479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d1de985e4533cc10adc45a86ac1be04244544402f6497b45d446a6ee6b33479", kill_on_drop: false }` [INFO] [stdout] 1d1de985e4533cc10adc45a86ac1be04244544402f6497b45d446a6ee6b33479