[INFO] fetching crate classgroup 0.1.0...
[INFO] building classgroup-0.1.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate classgroup 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate classgroup 0.1.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66fe8bb4b31b22ff145d31a2bb6a229cf24378fde8d0f4cf49494accf218857e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66fe8bb4b31b22ff145d31a2bb6a229cf24378fde8d0f4cf49494accf218857e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66fe8bb4b31b22ff145d31a2bb6a229cf24378fde8d0f4cf49494accf218857e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66fe8bb4b31b22ff145d31a2bb6a229cf24378fde8d0f4cf49494accf218857e", kill_on_drop: false }`
[INFO] [stdout] 66fe8bb4b31b22ff145d31a2bb6a229cf24378fde8d0f4cf49494accf218857e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca556cc48774e4d2f610badf209241b5fe29efd0b48318fef00137a85e66294e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca556cc48774e4d2f610badf209241b5fe29efd0b48318fef00137a85e66294e", kill_on_drop: false }`
[INFO] [stderr]    Compiling classgroup v0.1.0 (/opt/rustwide/workdir)
[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]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:240:28
[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: use of deprecated associated function `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: `__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: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*const mpz_struct, i32) -> usize`
[INFO] [stdout]               found `for<'r> unsafe extern "C" fn(&'r Mpz, i32) -> usize`
[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<'r> unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, &'r Mpz) -> *mut c_void`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca556cc48774e4d2f610badf209241b5fe29efd0b48318fef00137a85e66294e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca556cc48774e4d2f610badf209241b5fe29efd0b48318fef00137a85e66294e", kill_on_drop: false }`
[INFO] [stdout] ca556cc48774e4d2f610badf209241b5fe29efd0b48318fef00137a85e66294e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58cea73906fa36677463b244e1ca0667173ff55f863766c1b22ad7ecfc550f24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58cea73906fa36677463b244e1ca0667173ff55f863766c1b22ad7ecfc550f24", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[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]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:240:28
[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: use of deprecated associated function `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: `__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: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*const mpz_struct, i32) -> usize`
[INFO] [stdout]               found `for<'r> unsafe extern "C" fn(&'r Mpz, i32) -> usize`
[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<'r> unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, &'r Mpz) -> *mut c_void`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling classgroup v0.1.0 (/opt/rustwide/workdir)
[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]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:240:28
[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: use of deprecated associated function `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: `__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: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*const mpz_struct, i32) -> usize`
[INFO] [stdout]               found `for<'r> unsafe extern "C" fn(&'r gmp::mpz::Mpz, i32) -> usize`
[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<'r> unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, &'r gmp::mpz::Mpz) -> *mut c_void`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.37s
[INFO] running `Command { std: "docker" "inspect" "58cea73906fa36677463b244e1ca0667173ff55f863766c1b22ad7ecfc550f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cea73906fa36677463b244e1ca0667173ff55f863766c1b22ad7ecfc550f24", kill_on_drop: false }`
[INFO] [stdout] 58cea73906fa36677463b244e1ca0667173ff55f863766c1b22ad7ecfc550f24
