[INFO] fetching crate classgroup 0.1.0... [INFO] checking classgroup-0.1.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate classgroup 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate classgroup 0.1.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 71 packages [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded criterion v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4c053eb9997fdbb562ec4ab9bf153156361c66610ebc2ed8f9dabbf94d99f9a [INFO] running `Command { std: "docker" "start" "-a" "e4c053eb9997fdbb562ec4ab9bf153156361c66610ebc2ed8f9dabbf94d99f9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4c053eb9997fdbb562ec4ab9bf153156361c66610ebc2ed8f9dabbf94d99f9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4c053eb9997fdbb562ec4ab9bf153156361c66610ebc2ed8f9dabbf94d99f9a", kill_on_drop: false }` [INFO] [stdout] e4c053eb9997fdbb562ec4ab9bf153156361c66610ebc2ed8f9dabbf94d99f9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 394da058f8825e22bbea750de0730d4e603ceed7a70bf4b5c2ceab6d8b465909 [INFO] running `Command { std: "docker" "start" "-a" "394da058f8825e22bbea750de0730d4e603ceed7a70bf4b5c2ceab6d8b465909", kill_on_drop: false }` [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking classgroup v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde v1.0.197 [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/gmp/mpz.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [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] 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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 487 | fn cause(&self) -> Option<&'static dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap_builder v4.5.2 [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] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `gmp` [INFO] [stdout] --> bench/bench.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use gmp::mpz::Mpz; [INFO] [stdout] | ^^^ use of undeclared crate or module `gmp` [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] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `classgroup` (bench "classgroup-bench") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/gmp/mpz.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/gmp/test.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/gmp/test.rs:23:24 [INFO] [stdout] | [INFO] [stdout] 23 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/gmp/test.rs:23:30 [INFO] [stdout] | [INFO] [stdout] 23 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [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 an object-safe 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 `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] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "394da058f8825e22bbea750de0730d4e603ceed7a70bf4b5c2ceab6d8b465909", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "394da058f8825e22bbea750de0730d4e603ceed7a70bf4b5c2ceab6d8b465909", kill_on_drop: false }` [INFO] [stdout] 394da058f8825e22bbea750de0730d4e603ceed7a70bf4b5c2ceab6d8b465909 [INFO] checking classgroup-0.1.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] extracting crate classgroup 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate classgroup 0.1.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 954ed39b03754634b522ae40b50ccc5f0cfc6068e15f3f44397b8ef119f17d31 [INFO] running `Command { std: "docker" "start" "-a" "954ed39b03754634b522ae40b50ccc5f0cfc6068e15f3f44397b8ef119f17d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "954ed39b03754634b522ae40b50ccc5f0cfc6068e15f3f44397b8ef119f17d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "954ed39b03754634b522ae40b50ccc5f0cfc6068e15f3f44397b8ef119f17d31", kill_on_drop: false }` [INFO] [stdout] 954ed39b03754634b522ae40b50ccc5f0cfc6068e15f3f44397b8ef119f17d31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d628a5c962a333c24526b94842af2ddae8a72f5ea25befafdc9d5bb02f6c5e9 [INFO] running `Command { std: "docker" "start" "-a" "7d628a5c962a333c24526b94842af2ddae8a72f5ea25befafdc9d5bb02f6c5e9", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "7d628a5c962a333c24526b94842af2ddae8a72f5ea25befafdc9d5bb02f6c5e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d628a5c962a333c24526b94842af2ddae8a72f5ea25befafdc9d5bb02f6c5e9", kill_on_drop: false }` [INFO] [stdout] 7d628a5c962a333c24526b94842af2ddae8a72f5ea25befafdc9d5bb02f6c5e9