[INFO] fetching crate maths-traits 0.2.1...
[INFO] testing maths-traits-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate maths-traits 0.2.1 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate maths-traits 0.2.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maths-traits 0.2.1
[INFO] finished tweaking crates.io crate maths-traits 0.2.1
[INFO] tweaked toml for crates.io crate maths-traits 0.2.1 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81388099fc3c314761473d8f2301305dd72d0da316064eed10414d127330d9ac
[INFO] running `Command { std: "docker" "start" "-a" "81388099fc3c314761473d8f2301305dd72d0da316064eed10414d127330d9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81388099fc3c314761473d8f2301305dd72d0da316064eed10414d127330d9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81388099fc3c314761473d8f2301305dd72d0da316064eed10414d127330d9ac", kill_on_drop: false }`
[INFO] [stdout] 81388099fc3c314761473d8f2301305dd72d0da316064eed10414d127330d9ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8605e3920100ce019df0ca8387f44c858a3efa669cee9ed4423b69a13aeb2840
[INFO] running `Command { std: "docker" "start" "-a" "8605e3920100ce019df0ca8387f44c858a3efa669cee9ed4423b69a13aeb2840", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling maths-traits v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]    --> src/lib.rs:318:12
[INFO] [stdout]     |
[INFO] [stdout] 318 | #![feature(specialization)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/analysis/metric.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     #[inline] fn norm(&self, x:X) -> R;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extra_log_consts` has been stable since 1.43.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 319 | #![feature(extra_log_consts)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "8605e3920100ce019df0ca8387f44c858a3efa669cee9ed4423b69a13aeb2840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8605e3920100ce019df0ca8387f44c858a3efa669cee9ed4423b69a13aeb2840", kill_on_drop: false }`
[INFO] [stdout] 8605e3920100ce019df0ca8387f44c858a3efa669cee9ed4423b69a13aeb2840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0414325ff8945c04e6612b26ce688f6389f90ac1858d69f127a3d5330fcc0b
[INFO] running `Command { std: "docker" "start" "-a" "af0414325ff8945c04e6612b26ce688f6389f90ac1858d69f127a3d5330fcc0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling maths-traits v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]    --> src/lib.rs:318:12
[INFO] [stdout]     |
[INFO] [stdout] 318 | #![feature(specialization)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/analysis/metric.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     #[inline] fn norm(&self, x:X) -> R;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extra_log_consts` has been stable since 1.43.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 319 | #![feature(extra_log_consts)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]    --> src/lib.rs:318:12
[INFO] [stdout]     |
[INFO] [stdout] 318 | #![feature(specialization)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/analysis/metric.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     #[inline] fn norm(&self, x:X) -> R;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extra_log_consts` has been stable since 1.43.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 319 | #![feature(extra_log_consts)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "af0414325ff8945c04e6612b26ce688f6389f90ac1858d69f127a3d5330fcc0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0414325ff8945c04e6612b26ce688f6389f90ac1858d69f127a3d5330fcc0b", kill_on_drop: false }`
[INFO] [stdout] af0414325ff8945c04e6612b26ce688f6389f90ac1858d69f127a3d5330fcc0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c98fabb521a0036f034109fd9c839ab57265f9bea0c0ee868df6c1eb1d555c5
[INFO] running `Command { std: "docker" "start" "-a" "6c98fabb521a0036f034109fd9c839ab57265f9bea0c0ee868df6c1eb1d555c5", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stderr]    --> src/lib.rs:318:12
[INFO] [stderr]     |
[INFO] [stderr] 318 | #![feature(specialization)]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/analysis/metric.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     #[inline] fn norm(&self, x:X) -> R;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `extra_log_consts` has been stable since 1.43.0 and no longer requires an attribute to enable
[INFO] [stderr]    --> src/lib.rs:319:12
[INFO] [stderr]     |
[INFO] [stderr] 319 | #![feature(extra_log_consts)]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `maths-traits` (lib) generated 3 warnings
[INFO] [stderr] warning: `maths-traits` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maths_traits-dea2dd1316bb2909)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test algebra::ring_like::tests::factor ... ok
[INFO] [stdout] test algebra::ring_like::tests::primality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maths-traits
[INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:318:12
[INFO] [stderr]     |
[INFO] [stderr] 318 | #![feature(specialization)]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 7 tests
[INFO] [stderr] 
[INFO] [stdout] test src/algebra/integer.rs - algebra::integer::TrialDivision (line 125) ... ok
[INFO] [stdout] test src/algebra/group_like.rs - algebra::group_like::additive::MulZ (line 221) ... ok
[INFO] [stdout] test src/algebra/group_like.rs - algebra::group_like::multiplicative::PowN (line 341) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/algebra/group_like.rs - algebra::group_like::additive::MulN (line 149) ... ok
[INFO] [stdout] test src/lib.rs - (line 161) ... ok
[INFO] [stdout] test src/algebra/group_like.rs - algebra::group_like::multiplicative::PowZ (line 401) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c98fabb521a0036f034109fd9c839ab57265f9bea0c0ee868df6c1eb1d555c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c98fabb521a0036f034109fd9c839ab57265f9bea0c0ee868df6c1eb1d555c5", kill_on_drop: false }`
[INFO] [stdout] 6c98fabb521a0036f034109fd9c839ab57265f9bea0c0ee868df6c1eb1d555c5