[INFO] fetching crate classgroup 0.1.0...
[INFO] testing classgroup-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate classgroup 0.1.0 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate classgroup 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] addcfead97c45e2ed39a4ccefb71fd22ddaa047d0d39170540c5008d8448170e
[INFO] running `Command { std: "docker" "start" "-a" "addcfead97c45e2ed39a4ccefb71fd22ddaa047d0d39170540c5008d8448170e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "addcfead97c45e2ed39a4ccefb71fd22ddaa047d0d39170540c5008d8448170e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addcfead97c45e2ed39a4ccefb71fd22ddaa047d0d39170540c5008d8448170e", kill_on_drop: false }`
[INFO] [stdout] addcfead97c45e2ed39a4ccefb71fd22ddaa047d0d39170540c5008d8448170e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a346dc046c986776e9d2aeebbcd259ef5fdbe500908cc732d796c0e20dae79ca
[INFO] running `Command { std: "docker" "start" "-a" "a346dc046c986776e9d2aeebbcd259ef5fdbe500908cc732d796c0e20dae79ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling classgroup v0.1.0 (/opt/rustwide/workdir)
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 -     fn cause(&self) -> Option<&'static Error> {
[INFO] [stdout] 487 +     fn cause(&self) -> Option<&'static dyn Error> {
[INFO] [stdout]     | 
[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]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "a346dc046c986776e9d2aeebbcd259ef5fdbe500908cc732d796c0e20dae79ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a346dc046c986776e9d2aeebbcd259ef5fdbe500908cc732d796c0e20dae79ca", kill_on_drop: false }`
[INFO] [stdout] a346dc046c986776e9d2aeebbcd259ef5fdbe500908cc732d796c0e20dae79ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf53d38e851b450f006c2b555193af19a9b59417e478a372906456a6a6cedc5
[INFO] running `Command { std: "docker" "start" "-a" "ebf53d38e851b450f006c2b555193af19a9b59417e478a372906456a6a6cedc5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 -     fn cause(&self) -> Option<&'static Error> {
[INFO] [stdout] 487 +     fn cause(&self) -> Option<&'static dyn Error> {
[INFO] [stdout]     | 
[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 textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling classgroup v0.1.0 (/opt/rustwide/workdir)
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 -     fn cause(&self) -> Option<&'static Error> {
[INFO] [stdout] 487 +     fn cause(&self) -> Option<&'static dyn Error> {
[INFO] [stdout]     | 
[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 32.78s
[INFO] running `Command { std: "docker" "inspect" "ebf53d38e851b450f006c2b555193af19a9b59417e478a372906456a6a6cedc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf53d38e851b450f006c2b555193af19a9b59417e478a372906456a6a6cedc5", kill_on_drop: false }`
[INFO] [stdout] ebf53d38e851b450f006c2b555193af19a9b59417e478a372906456a6a6cedc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8dc41ceb10a5b48b8a6e042b9ab8348e6a4c52b8be1638a3ec594dd780d4a9d
[INFO] running `Command { std: "docker" "start" "-a" "d8dc41ceb10a5b48b8a6e042b9ab8348e6a4c52b8be1638a3ec594dd780d4a9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/gmp/mpz.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem::{uninitialized,size_of};
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/gmp/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![warn(deprecated)]
[INFO] [stderr]   |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp/mpz.rs:132:27
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp/mpz.rs:141:27
[INFO] [stderr]     |
[INFO] [stderr] 141 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp/mpz.rs:189:27
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp/mpz.rs:458:27
[INFO] [stderr]     |
[INFO] [stderr] 458 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp/mpz.rs:495:27
[INFO] [stderr]     |
[INFO] [stderr] 495 |             let mut mpz = uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp_classgroup/ffi.rs:240:33
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let mut s: usize = mem::uninitialized();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gmp/mpz.rs:487:40
[INFO] [stderr]     |
[INFO] [stderr] 487 |     fn cause(&self) -> Option<&'static Error> {
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 487 -     fn cause(&self) -> Option<&'static Error> {
[INFO] [stderr] 487 +     fn cause(&self) -> Option<&'static dyn Error> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/gmp/mpz.rs:478:14
[INFO] [stderr]     |
[INFO] [stderr] 478 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `__gmpz_sizeinbase` redeclared with a different signature
[INFO] [stderr]   --> src/gmp_classgroup/ffi.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn __gmpz_sizeinbase(op: &Mpz, base: c_int) -> size_t;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/gmp/mpz.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn __gmpz_sizeinbase(op: mpz_srcptr, base: c_int) -> size_t;
[INFO] [stderr]    |     ------------------------------------------------------------ `__gmpz_sizeinbase` previously declared here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(*const mpz_struct, i32) -> usize`
[INFO] [stderr]               found `for<'r> unsafe extern "C" fn(&'r Mpz, i32) -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: `__gmpz_export` redeclared with a different signature
[INFO] [stderr]   --> src/gmp_classgroup/ffi.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     fn __gmpz_export(
[INFO] [stderr] 58 | |         rop: *mut c_void,
[INFO] [stderr] 59 | |         countp: *mut size_t,
[INFO] [stderr] 60 | |         order: c_int,
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |         op: &Mpz,
[INFO] [stderr] 65 | |     ) -> *mut c_void;
[INFO] [stderr]    | |_____________________^ this signature doesn't match the previous declaration
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/gmp/mpz.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | /     fn __gmpz_export(rop: *mut c_void, countp: *mut size_t, order: c_int, size: size_t, 
[INFO] [stderr] 92 | |                      endian: c_int, nails: size_t, op: mpz_srcptr);
[INFO] [stderr]    | |___________________________________________________________________- `__gmpz_export` previously declared here
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, *const mpz_struct)`
[INFO] [stderr]               found `for<'r> unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, &'r Mpz) -> *mut c_void`
[INFO] [stderr] 
[INFO] [stderr] warning: `classgroup` (lib) generated 11 warnings
[INFO] [stderr] warning: `__gmpz_sizeinbase` redeclared with a different signature
[INFO] [stderr]   --> src/gmp_classgroup/ffi.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn __gmpz_sizeinbase(op: &Mpz, base: c_int) -> size_t;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/gmp/mpz.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn __gmpz_sizeinbase(op: mpz_srcptr, base: c_int) -> size_t;
[INFO] [stderr]    |     ------------------------------------------------------------ `__gmpz_sizeinbase` previously declared here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(*const mpz_struct, i32) -> usize`
[INFO] [stderr]               found `for<'r> unsafe extern "C" fn(&'r gmp::mpz::Mpz, i32) -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: `__gmpz_export` redeclared with a different signature
[INFO] [stderr]   --> src/gmp_classgroup/ffi.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     fn __gmpz_export(
[INFO] [stderr] 58 | |         rop: *mut c_void,
[INFO] [stderr] 59 | |         countp: *mut size_t,
[INFO] [stderr] 60 | |         order: c_int,
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |         op: &Mpz,
[INFO] [stderr] 65 | |     ) -> *mut c_void;
[INFO] [stderr]    | |_____________________^ this signature doesn't match the previous declaration
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/gmp/mpz.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | /     fn __gmpz_export(rop: *mut c_void, countp: *mut size_t, order: c_int, size: size_t, 
[INFO] [stderr] 92 | |                      endian: c_int, nails: size_t, op: mpz_srcptr);
[INFO] [stderr]    | |___________________________________________________________________- `__gmpz_export` previously declared here
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, *const mpz_struct)`
[INFO] [stderr]               found `for<'r> unsafe extern "C" fn(*mut c_void, *mut usize, i32, usize, i32, usize, &'r gmp::mpz::Mpz) -> *mut c_void`
[INFO] [stderr] 
[INFO] [stderr] warning: `classgroup` (lib test) generated 11 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/classgroup-7ac6827486e693fc)
[INFO] [stdout] 
[INFO] [stdout] running 60 tests
[INFO] [stdout] test gmp::test::mpz::test_abs ... ok
[INFO] [stdout] test gmp::test::mpz::test_bit_fiddling ... ok
[INFO] [stdout] test gmp::test::mpz::test_add ... ok
[INFO] [stdout] test gmp::test::mpz::test_bit_length ... ok
[INFO] [stdout] test gmp::test::mpz::test_bitand ... ok
[INFO] [stdout] test gmp::test::mpz::test_bitor ... ok
[INFO] [stdout] test gmp::test::mpz::test_bitxor ... ok
[INFO] [stdout] test gmp::test::mpz::test_clone ... ok
[INFO] [stdout] test gmp::test::mpz::test_compl ... ok
[INFO] [stdout] test gmp::test::mpz::test_div_floor ... ok
[INFO] [stdout] test gmp::test::mpz::test_div_round ... ok
[INFO] [stdout] test gmp::test::mpz::test_eq ... ok
[INFO] [stdout] test gmp::test::mpz::test_format ... ok
[INFO] [stdout] test gmp::test::mpz::test_from_int ... ok
[INFO] [stdout] test gmp::test::mpz::test_from_slice_u8 ... ok
[INFO] [stdout] test gmp::test::mpz::test_gcd ... ok
[INFO] [stdout] test gmp::test::mpz::test_gcdext ... ok
[INFO] [stdout] test gmp::test::mpz::test_hamdist ... ok
[INFO] [stdout] test gmp::test::mpz::test_hash_long ... ok
[INFO] [stdout] test gmp::test::mpz::test_hash_short ... ok
[INFO] [stdout] test gmp::test::mpz::test_invalid_str ... ok
[INFO] [stdout] test gmp::test::mpz::test_invert ... ok
[INFO] [stdout] test gmp::test::mpz::test_is_multiple_of ... ok
[INFO] [stdout] test gmp::test::mpz::test_lcm ... ok
[INFO] [stdout] test gmp::test::mpz::test_mod_floor ... ok
[INFO] [stdout] test gmp::test::mpz::test_modulus ... ok
[INFO] [stdout] test gmp::test::mpz::test_mul ... ok
[INFO] [stdout] test gmp::test::mpz::test_nextprime ... ok
[INFO] [stdout] test gmp::test::mpz::test_one ... ok
[INFO] [stdout] test gmp::test::mpz::test_ord ... ok
[INFO] [stdout] test gmp::test::mpz::test_popcount ... ok
[INFO] [stdout] test gmp::test::mpz::test_pow ... ok
[INFO] [stdout] test gmp::test::mpz::test_powm ... ok
[INFO] [stdout] test gmp::test::mpz::test_powm_sec ... ok
[INFO] [stdout] test gmp::test::mpz::test_probab_prime ... ok
[INFO] [stdout] test gmp::test::mpz::test_rem ... ok
[INFO] [stdout] test gmp::test::mpz::test_root ... ok
[INFO] [stdout] test gmp::test::mpz::test_set ... ok
[INFO] [stdout] test gmp::test::mpz::test_set_from_str_radix ... ok
[INFO] [stdout] test gmp::test::mpz::test_shifts ... ok
[INFO] [stdout] test gmp::test::mpz::test_sign ... ok
[INFO] [stdout] test gmp::test::mpz::test_sqrt ... ok
[INFO] [stdout] test gmp::test::mpz::test_sub ... ok
[INFO] [stdout] test gmp::test::mpz::test_to_i64 ... ok
[INFO] [stdout] test gmp::test::mpz::test_to_vec_u8 ... ok
[INFO] [stdout] test gmp::test::test_limb_size ... ok
[INFO] [stdout] test gmp::test::mpz::test_to_str_radix ... ok
[INFO] [stdout] test gmp::test::mpz::test_to_string ... ok
[INFO] [stdout] test gmp_classgroup::ffi::test::check_expected_bit_width ... ok
[INFO] [stdout] test gmp::test::mpz::test_to_u64 ... ok
[INFO] [stdout] test gmp_classgroup::ffi::test::check_rem ... ok
[INFO] [stdout] test gmp_classgroup::ffi::test::check_export ... ok
[INFO] [stdout] test gmp_classgroup::test::normalize ... ok
[INFO] [stdout] test gmp::test::mpz::test_div_zero - should panic ... ok
[INFO] [stdout] test gmp::test::mpz::test_from_str_radix_lower_bound - should panic ... ok
[INFO] [stdout] test gmp::test::mpz::test_from_str_radix_upper_bound - should panic ... ok
[INFO] [stdout] test gmp::test::mpz::test_rem_zero - should panic ... ok
[INFO] [stdout] test gmp::test::mpz::test_set_from_str_radix_lower_bound - should panic ... ok
[INFO] [stdout] test gmp::test::mpz::test_set_from_str_radix_upper_bound - should panic ... ok
[INFO] [stdout] test test::multiplication_is_correct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 60 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests classgroup
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8dc41ceb10a5b48b8a6e042b9ab8348e6a4c52b8be1638a3ec594dd780d4a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8dc41ceb10a5b48b8a6e042b9ab8348e6a4c52b8be1638a3ec594dd780d4a9d", kill_on_drop: false }`
[INFO] [stdout] d8dc41ceb10a5b48b8a6e042b9ab8348e6a4c52b8be1638a3ec594dd780d4a9d