[INFO] fetching crate feo-math 0.1.0...
[INFO] checking feo-math-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate feo-math 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate feo-math 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate feo-math 0.1.0
[INFO] finished tweaking crates.io crate feo-math 0.1.0
[INFO] tweaked toml for crates.io crate feo-math 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49ea1431d6363969a81159f1e8ba99bd6726e43801aaa1fa7497315544648f62
[INFO] running `Command { std: "docker" "start" "-a" "49ea1431d6363969a81159f1e8ba99bd6726e43801aaa1fa7497315544648f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49ea1431d6363969a81159f1e8ba99bd6726e43801aaa1fa7497315544648f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ea1431d6363969a81159f1e8ba99bd6726e43801aaa1fa7497315544648f62", kill_on_drop: false }`
[INFO] [stdout] 49ea1431d6363969a81159f1e8ba99bd6726e43801aaa1fa7497315544648f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d26de1346ad17d13ec2c6a67469ccb8c7978af75d374dc73a3fcfd89262f2c84
[INFO] running `Command { std: "docker" "start" "-a" "d26de1346ad17d13ec2c6a67469ccb8c7978af75d374dc73a3fcfd89262f2c84", kill_on_drop: false }`
[INFO] [stderr]     Checking feo-math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:344:39
[INFO] [stdout]     |
[INFO] [stdout] 344 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i8>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:363:39
[INFO] [stdout]     |
[INFO] [stdout] 363 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i16>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:382:39
[INFO] [stdout]     |
[INFO] [stdout] 382 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i32>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:401:39
[INFO] [stdout]     |
[INFO] [stdout] 401 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i64>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:420:39
[INFO] [stdout]     |
[INFO] [stdout] 420 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i128>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:439:39
[INFO] [stdout]     |
[INFO] [stdout] 439 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl isize>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:344:39
[INFO] [stdout]     |
[INFO] [stdout] 344 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i8>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:363:39
[INFO] [stdout]     |
[INFO] [stdout] 363 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i16>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:382:39
[INFO] [stdout]     |
[INFO] [stdout] 382 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i32>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:401:39
[INFO] [stdout]     |
[INFO] [stdout] 401 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i64>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:420:39
[INFO] [stdout]     |
[INFO] [stdout] 420 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl i128>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:439:39
[INFO] [stdout]     |
[INFO] [stdout] 439 |     #[inline] fn sqrt(self) -> Self { Self::isqrt(self) }
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntUtils::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl isize>::isqrt`
[INFO] [stdout]     |
[INFO] [stdout] 9   + #![feature(isqrt)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "d26de1346ad17d13ec2c6a67469ccb8c7978af75d374dc73a3fcfd89262f2c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26de1346ad17d13ec2c6a67469ccb8c7978af75d374dc73a3fcfd89262f2c84", kill_on_drop: false }`
[INFO] [stdout] d26de1346ad17d13ec2c6a67469ccb8c7978af75d374dc73a3fcfd89262f2c84