[INFO] crate classgroup 0.1.0 is already in cache
[INFO] testing classgroup-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate classgroup 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate classgroup 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] aaa0f329a2bad55a96bf6d619962b7257e9d84a040d726bf33174d7d0bd0e071
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "aaa0f329a2bad55a96bf6d619962b7257e9d84a040d726bf33174d7d0bd0e071"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling classgroup v0.1.0 (/opt/rustwide/workdir)
[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]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp_classgroup/ffi.rs:240:28
[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: use of deprecated item '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: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "aaa0f329a2bad55a96bf6d619962b7257e9d84a040d726bf33174d7d0bd0e071"`
[INFO] running `"docker" "rm" "-f" "aaa0f329a2bad55a96bf6d619962b7257e9d84a040d726bf33174d7d0bd0e071"`
[INFO] [stdout] aaa0f329a2bad55a96bf6d619962b7257e9d84a040d726bf33174d7d0bd0e071
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc82e477783bf4ab32d0815d377d2b121a97e66976db9bd0dc784d0e9c79b776
[INFO] running `"docker" "start" "-a" "bc82e477783bf4ab32d0815d377d2b121a97e66976db9bd0dc784d0e9c79b776"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling syn v1.0.30
[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]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp_classgroup/ffi.rs:240:28
[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: use of deprecated item '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: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling classgroup v0.1.0 (/opt/rustwide/workdir)
[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]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp_classgroup/ffi.rs:240:28
[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: use of deprecated item '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: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 50.29s
[INFO] running `"docker" "inspect" "bc82e477783bf4ab32d0815d377d2b121a97e66976db9bd0dc784d0e9c79b776"`
[INFO] running `"docker" "rm" "-f" "bc82e477783bf4ab32d0815d377d2b121a97e66976db9bd0dc784d0e9c79b776"`
[INFO] [stdout] bc82e477783bf4ab32d0815d377d2b121a97e66976db9bd0dc784d0e9c79b776
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fdecb1fe6feabfe3023131f3323b004f2352b78aa3a55bc3b99858c0cd004053
[INFO] running `"docker" "start" "-a" "fdecb1fe6feabfe3023131f3323b004f2352b78aa3a55bc3b99858c0cd004053"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp_classgroup/ffi.rs:240:28
[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: use of deprecated item '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: 9 warnings emitted
[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]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/gmp_classgroup/ffi.rs:240:28
[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: use of deprecated item '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: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/classgroup-2a4f838a7e00a696
[INFO] [stdout] 
[INFO] [stdout] running 60 tests
[INFO] [stdout] test gmp::test::mpz::test_eq ... ok
[INFO] [stdout] test gmp::test::mpz::test_bitxor ... ok
[INFO] [stdout] test gmp::test::mpz::test_bitor ... ok
[INFO] [stdout] test gmp::test::mpz::test_abs ... 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_from_slice_u8 ... ok
[INFO] [stdout] test gmp::test::mpz::test_clone ... ok
[INFO] [stdout] test gmp::test::mpz::test_add ... ok
[INFO] [stdout] test gmp::test::mpz::test_bit_fiddling ... 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_format ... ok
[INFO] [stdout] test gmp::test::mpz::test_compl ... ok
[INFO] [stdout] test gmp::test::mpz::test_from_int ... ok
[INFO] [stdout] test gmp::test::mpz::test_modulus ... ok
[INFO] [stdout] test gmp::test::mpz::test_hash_short ... ok
[INFO] [stdout] test gmp::test::mpz::test_hamdist ... ok
[INFO] [stdout] test gmp::test::mpz::test_gcd ... ok
[INFO] [stdout] test gmp::test::mpz::test_one ... ok
[INFO] [stdout] test gmp::test::mpz::test_is_multiple_of ... ok
[INFO] [stdout] test gmp::test::mpz::test_ord ... ok
[INFO] [stdout] test gmp::test::mpz::test_nextprime ... ok
[INFO] [stdout] test gmp::test::mpz::test_invalid_str ... ok
[INFO] [stdout] test gmp::test::mpz::test_mod_floor ... ok
[INFO] [stdout] test gmp::test::mpz::test_hash_long ... ok
[INFO] [stdout] test gmp::test::mpz::test_invert ... ok
[INFO] [stdout] test gmp::test::mpz::test_mul ... ok
[INFO] [stdout] test gmp::test::mpz::test_gcdext ... ok
[INFO] [stdout] test gmp::test::mpz::test_powm_sec ... 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_probab_prime ... ok
[INFO] [stdout] test gmp::test::mpz::test_popcount ... ok
[INFO] [stdout] test gmp::test::mpz::test_lcm ... 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_shifts ... ok
[INFO] [stdout] test gmp::test::mpz::test_sign ... ok
[INFO] [stdout] test gmp::test::mpz::test_set_from_str_radix ... ok
[INFO] [stdout] test gmp::test::mpz::test_sub ... ok
[INFO] [stdout] test gmp::test::mpz::test_set ... ok
[INFO] [stdout] test gmp::test::mpz::test_sqrt ... 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::test::test_limb_size ... ok
[INFO] [stdout] test gmp_classgroup::ffi::test::check_export ... ok
[INFO] [stdout] test gmp::test::mpz::test_to_vec_u8 ... ok
[INFO] [stdout] test gmp::test::mpz::test_to_i64 ... 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::test::normalize ... ok
[INFO] [stdout] test gmp_classgroup::ffi::test::check_rem ... ok
[INFO] [stdout] test gmp::test::mpz::test_from_str_radix_lower_bound ... ok
[INFO] [stdout] test gmp::test::mpz::test_div_zero ... ok
[INFO] [stdout] test gmp::test::mpz::test_from_str_radix_upper_bound ... ok
[INFO] [stdout] test gmp::test::mpz::test_rem_zero ... ok
[INFO] [stdout] test gmp::test::mpz::test_set_from_str_radix_lower_bound ... ok
[INFO] [stdout] test gmp::test::mpz::test_set_from_str_radix_upper_bound ... ok
[INFO] [stdout] test test::multiplication_is_correct ... ok
[INFO] [stderr]    Doc-tests classgroup
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 60 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fdecb1fe6feabfe3023131f3323b004f2352b78aa3a55bc3b99858c0cd004053"`
[INFO] running `"docker" "rm" "-f" "fdecb1fe6feabfe3023131f3323b004f2352b78aa3a55bc3b99858c0cd004053"`
[INFO] [stdout] fdecb1fe6feabfe3023131f3323b004f2352b78aa3a55bc3b99858c0cd004053