[INFO] crate cplx 0.3.3 is already in cache
[INFO] extracting crate cplx 0.3.3 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/cplx/0.3.3
[INFO] extracting crate cplx 0.3.3 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/cplx/0.3.3
[INFO] validating manifest of cplx-0.3.3 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cplx-0.3.3 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cplx-0.3.3
[INFO] finished frobbing cplx-0.3.3
[INFO] frobbed toml for cplx-0.3.3 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/cplx/0.3.3/Cargo.toml
[INFO] started frobbing cplx-0.3.3
[INFO] finished frobbing cplx-0.3.3
[INFO] frobbed toml for cplx-0.3.3 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/cplx/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cplx-0.3.3 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/cplx/0.3.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66e5627d31ce088f1e94373982715fc21315ad579bd935750f2ed35afe1bf87c
[INFO] running `"docker" "start" "-a" "66e5627d31ce088f1e94373982715fc21315ad579bd935750f2ed35afe1bf87c"`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking idem v0.4.0
[INFO] [stderr]     Checking idem v0.1.1
[INFO] [stderr]     Checking cplx v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning[E0382]: use of moved value: `u`
[INFO] [stderr]   --> src/lib.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let u = U { c: self };
[INFO] [stderr]    |             - move occurs because `u` has type `Complex<A, S>::into_rect::U<A, S>`, which does not implement the `Copy` trait
[INFO] [stderr] 33 |         unsafe { (u.c.1, u.c.2) }
[INFO] [stderr]    |                   -----  ^^^^^ value used here after move
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   value moved here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `const_let` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(const_let)]
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `zero` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:51:11
[INFO] [stderr]    |
[INFO] [stderr] 51 |     const zero: Self = from_rect(A::zero, A::zero);
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper case: `ZERO`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `one` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:55:11
[INFO] [stderr]    |
[INFO] [stderr] 55 |     const one: Self = from_rect(A::one, A::zero);
[INFO] [stderr]    |           ^^^ help: convert the identifier to upper case: `ONE`
[INFO] [stderr] 
[INFO] [stderr] warning[E0382]: use of moved value: `u`
[INFO] [stderr]   --> src/lib.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let u = U { c: self };
[INFO] [stderr]    |             - move occurs because `u` has type `Complex<A, S>::into_rect::U<A, S>`, which does not implement the `Copy` trait
[INFO] [stderr] 33 |         unsafe { (u.c.1, u.c.2) }
[INFO] [stderr]    |                   -----  ^^^^^ value used here after move
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   value moved here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `const_let` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(const_let)]
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `zero` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:51:11
[INFO] [stderr]    |
[INFO] [stderr] 51 |     const zero: Self = from_rect(A::zero, A::zero);
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper case: `ZERO`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `one` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:55:11
[INFO] [stderr]    |
[INFO] [stderr] 55 |     const one: Self = from_rect(A::one, A::zero);
[INFO] [stderr]    |           ^^^ help: convert the identifier to upper case: `ONE`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `"docker" "inspect" "66e5627d31ce088f1e94373982715fc21315ad579bd935750f2ed35afe1bf87c"`
[INFO] running `"docker" "rm" "-f" "66e5627d31ce088f1e94373982715fc21315ad579bd935750f2ed35afe1bf87c"`
[INFO] [stdout] 66e5627d31ce088f1e94373982715fc21315ad579bd935750f2ed35afe1bf87c