[INFO] fetching crate const_unit_poc 1.1.1...
[INFO] checking const_unit_poc-1.1.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate const_unit_poc 1.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate const_unit_poc 1.1.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const_unit_poc 1.1.1
[INFO] finished tweaking crates.io crate const_unit_poc 1.1.1
[INFO] tweaked toml for crates.io crate const_unit_poc 1.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate const_unit_poc 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c94dc1abba1e02c06910bc3fdfcbd047c750ae1d8b727f830ab796fed0a587d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c94dc1abba1e02c06910bc3fdfcbd047c750ae1d8b727f830ab796fed0a587d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c94dc1abba1e02c06910bc3fdfcbd047c750ae1d8b727f830ab796fed0a587d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c94dc1abba1e02c06910bc3fdfcbd047c750ae1d8b727f830ab796fed0a587d", kill_on_drop: false }`
[INFO] [stdout] 7c94dc1abba1e02c06910bc3fdfcbd047c750ae1d8b727f830ab796fed0a587d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aafea04bda771b6c09f54c56896027988940394b454768ebb3d6f0b2d195d1e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aafea04bda771b6c09f54c56896027988940394b454768ebb3d6f0b2d195d1e7", kill_on_drop: false }`
[INFO] [stderr]     Checking const_unit_poc v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_mul}` in public interface (error E0446)
[INFO] [stdout]    --> src/lib.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / impl<const UL: SiUnit, const UR: SiUnit> ops::Mul<Quantity<UR>> for Quantity<UL>
[INFO] [stdout] 154 | | where
[INFO] [stdout] 155 | |     Quantity<{ UL.unit_mul(UR) }>: ,
[INFO] [stdout] 156 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |     }
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_mul}` in public interface (error E0446)
[INFO] [stdout]    --> src/lib.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / impl<const UL: SiUnit, const UR: SiUnit> ops::Mul<Quantity<UR>> for Quantity<UL>
[INFO] [stdout] 154 | | where
[INFO] [stdout] 155 | |     Quantity<{ UL.unit_mul(UR) }>: ,
[INFO] [stdout] 156 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |     }
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_mul}` in public interface
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 78  |     const fn unit_mul(self, rhs: Self) -> Self {
[INFO] [stdout]     |     ------------------------------------------ `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_mul}` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 157 |     type Output = Quantity<{ UL.unit_mul(UR) }>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `fn(SiUnit) -> SiUnit {SiUnit::neg}` in public interface (error E0446)
[INFO] [stdout]    --> src/lib.rs:178:1
[INFO] [stdout]     |
[INFO] [stdout] 178 | / impl<const U: SiUnit> ops::Div<Quantity<U>> for f64
[INFO] [stdout] 179 | | where
[INFO] [stdout] 180 | |     Quantity<{ U.neg() }>: ,
[INFO] [stdout] 181 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |     }
[INFO] [stdout] 187 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `fn(SiUnit) -> SiUnit {SiUnit::neg}` in public interface
[INFO] [stdout]    --> src/lib.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 66  |     const fn neg(self) -> Self {
[INFO] [stdout]     |     -------------------------- `fn(SiUnit) -> SiUnit {SiUnit::neg}` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 182 |     type Output = Quantity<{ U.neg() }>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_div}` in public interface (error E0446)
[INFO] [stdout]    --> src/lib.rs:189:1
[INFO] [stdout]     |
[INFO] [stdout] 189 | / impl<const UL: SiUnit, const UR: SiUnit> ops::Div<Quantity<UR>> for Quantity<UL>
[INFO] [stdout] 190 | | where
[INFO] [stdout] 191 | |     Quantity<{ UL.unit_div(UR) }>: ,
[INFO] [stdout] 192 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 197 | |     }
[INFO] [stdout] 198 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_div}` in public interface
[INFO] [stdout]    --> src/lib.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 90  |     const fn unit_div(self, rhs: Self) -> Self {
[INFO] [stdout]     |     ------------------------------------------ `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_div}` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 193 |     type Output = Quantity<{ UL.unit_div(UR) }>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stdout] warning: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_mul}` in public interface (error E0446)
[INFO] [stdout]    --> src/lib.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / impl<const UL: SiUnit, const UR: SiUnit> ops::Mul<Quantity<UR>> for Quantity<UL>
[INFO] [stdout] 154 | | where
[INFO] [stdout] 155 | |     Quantity<{ UL.unit_mul(UR) }>: ,
[INFO] [stdout] 156 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |     }
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_mul}` in public interface (error E0446)
[INFO] [stdout]    --> src/lib.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / impl<const UL: SiUnit, const UR: SiUnit> ops::Mul<Quantity<UR>> for Quantity<UL>
[INFO] [stdout] 154 | | where
[INFO] [stdout] 155 | |     Quantity<{ UL.unit_mul(UR) }>: ,
[INFO] [stdout] 156 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |     }
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_mul}` in public interface
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 78  |     const fn unit_mul(self, rhs: Self) -> Self {
[INFO] [stdout]     |     ------------------------------------------ `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_mul}` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 157 |     type Output = Quantity<{ UL.unit_mul(UR) }>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `fn(SiUnit) -> SiUnit {SiUnit::neg}` in public interface (error E0446)
[INFO] [stdout]    --> src/lib.rs:178:1
[INFO] [stdout]     |
[INFO] [stdout] 178 | / impl<const U: SiUnit> ops::Div<Quantity<U>> for f64
[INFO] [stdout] 179 | | where
[INFO] [stdout] 180 | |     Quantity<{ U.neg() }>: ,
[INFO] [stdout] 181 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |     }
[INFO] [stdout] 187 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `fn(SiUnit) -> SiUnit {SiUnit::neg}` in public interface
[INFO] [stdout]    --> src/lib.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 66  |     const fn neg(self) -> Self {
[INFO] [stdout]     |     -------------------------- `fn(SiUnit) -> SiUnit {SiUnit::neg}` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 182 |     type Output = Quantity<{ U.neg() }>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_div}` in public interface (error E0446)
[INFO] [stdout]    --> src/lib.rs:189:1
[INFO] [stdout]     |
[INFO] [stdout] 189 | / impl<const UL: SiUnit, const UR: SiUnit> ops::Div<Quantity<UR>> for Quantity<UL>
[INFO] [stdout] 190 | | where
[INFO] [stdout] 191 | |     Quantity<{ UL.unit_div(UR) }>: ,
[INFO] [stdout] 192 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 197 | |     }
[INFO] [stdout] 198 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_div}` in public interface
[INFO] [stdout]    --> src/lib.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 90  |     const fn unit_div(self, rhs: Self) -> Self {
[INFO] [stdout]     |     ------------------------------------------ `fn(SiUnit, SiUnit) -> SiUnit {SiUnit::unit_div}` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 193 |     type Output = Quantity<{ UL.unit_div(UR) }>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const_unit_poc`
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aafea04bda771b6c09f54c56896027988940394b454768ebb3d6f0b2d195d1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafea04bda771b6c09f54c56896027988940394b454768ebb3d6f0b2d195d1e7", kill_on_drop: false }`
[INFO] [stdout] aafea04bda771b6c09f54c56896027988940394b454768ebb3d6f0b2d195d1e7