[INFO] fetching crate cplx 0.3.3...
[INFO] checking cplx-0.3.3 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate cplx 0.3.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cplx 0.3.3 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cplx 0.3.3
[INFO] finished tweaking crates.io crate cplx 0.3.3
[INFO] tweaked toml for crates.io crate cplx 0.3.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages
[INFO] [stderr]       Adding idem v0.1.1 (latest: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded idem v0.4.0
[INFO] [stderr]   Downloaded idem v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6f96c9c1d4bc7dae49581d300be479af1e84e45e48d8fbe7f5d1215f86f4cd7
[INFO] running `Command { std: "docker" "start" "-a" "b6f96c9c1d4bc7dae49581d300be479af1e84e45e48d8fbe7f5d1215f86f4cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f96c9c1d4bc7dae49581d300be479af1e84e45e48d8fbe7f5d1215f86f4cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f96c9c1d4bc7dae49581d300be479af1e84e45e48d8fbe7f5d1215f86f4cd7", kill_on_drop: false }`
[INFO] [stdout] b6f96c9c1d4bc7dae49581d300be479af1e84e45e48d8fbe7f5d1215f86f4cd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09173a77fc591880091f9396129abc7a714cb046a834336bc086ff760f88f70e
[INFO] running `Command { std: "docker" "start" "-a" "09173a77fc591880091f9396129abc7a714cb046a834336bc086ff760f88f70e", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking idem v0.4.0
[INFO] [stderr]     Checking idem v0.1.1
[INFO] [stderr]     Checking cplx v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(untagged_unions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(untagged_unions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]   --> src/lib.rs:31:34
[INFO] [stdout]    |
[INFO] [stdout] 31 |         union U<A, S: Sign<A>> { c: Complex<A, S> }
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]    |
[INFO] [stdout] 31 |         union U<A, S: Sign<A>> { c: std::mem::ManuallyDrop<Complex<A, S>> }
[INFO] [stdout]    |                                     +++++++++++++++++++++++             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `u`
[INFO] [stdout]   --> src/lib.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let u = U { c: self };
[INFO] [stdout]    |             - move occurs because `u` has type `U<A, S>`, which does not implement the `Copy` trait
[INFO] [stdout] 33 |         unsafe { (u.c.1, u.c.2) }
[INFO] [stdout]    |                   -----  ^^^^^ value used here after move
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   value moved here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]   --> src/lib.rs:31:34
[INFO] [stdout]    |
[INFO] [stdout] 31 |         union U<A, S: Sign<A>> { c: Complex<A, S> }
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]    |
[INFO] [stdout] 31 |         union U<A, S: Sign<A>> { c: std::mem::ManuallyDrop<Complex<A, S>> }
[INFO] [stdout]    |                                     +++++++++++++++++++++++             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0557, E0740.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cplx` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0382]: use of moved value: `u`
[INFO] [stdout]   --> src/lib.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let u = U { c: self };
[INFO] [stdout]    |             - move occurs because `u` has type `U<A, S>`, which does not implement the `Copy` trait
[INFO] [stdout] 33 |         unsafe { (u.c.1, u.c.2) }
[INFO] [stdout]    |                   -----  ^^^^^ value used here after move
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   value moved here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0557, E0740.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cplx` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "09173a77fc591880091f9396129abc7a714cb046a834336bc086ff760f88f70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09173a77fc591880091f9396129abc7a714cb046a834336bc086ff760f88f70e", kill_on_drop: false }`
[INFO] [stdout] 09173a77fc591880091f9396129abc7a714cb046a834336bc086ff760f88f70e