[INFO] fetching crate dynsequence 0.1.0-alpha.4...
[INFO] checking dynsequence-0.1.0-alpha.4 against master#b92758a9aef1cef7b79e2b72c3d8ba113e547f89 for pr-124305-1
[INFO] extracting crate dynsequence 0.1.0-alpha.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate dynsequence 0.1.0-alpha.4 on toolchain b92758a9aef1cef7b79e2b72c3d8ba113e547f89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynsequence 0.1.0-alpha.4
[INFO] finished tweaking crates.io crate dynsequence 0.1.0-alpha.4
[INFO] tweaked toml for crates.io crate dynsequence 0.1.0-alpha.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd715813bab1998d034202702c69d2f94e106b9139629dcfb0c935e27efd2d4c
[INFO] running `Command { std: "docker" "start" "-a" "dd715813bab1998d034202702c69d2f94e106b9139629dcfb0c935e27efd2d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd715813bab1998d034202702c69d2f94e106b9139629dcfb0c935e27efd2d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd715813bab1998d034202702c69d2f94e106b9139629dcfb0c935e27efd2d4c", kill_on_drop: false }`
[INFO] [stdout] dd715813bab1998d034202702c69d2f94e106b9139629dcfb0c935e27efd2d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 382b8f3f7de8de320dc43eae2f4d49d6e707e8ad5dfe1ea8f394f539ea775d88
[INFO] running `Command { std: "docker" "start" "-a" "382b8f3f7de8de320dc43eae2f4d49d6e707e8ad5dfe1ea8f394f539ea775d88", kill_on_drop: false }`
[INFO] [stderr]     Checking dynsequence v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:475:21
[INFO] [stdout]     |
[INFO] [stdout] 475 |                       $crate::__forget(v);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^-^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        argument has type `u8`
[INFO] [stdout] ...
[INFO] [stdout] 491 |           let seq: DynSequence<dyn Any> = dyn_sequence![dyn Any =>
[INFO] [stdout]     |  _________________________________________-
[INFO] [stdout] 492 | |             123u8,
[INFO] [stdout] 493 | |             true,
[INFO] [stdout] 494 | |             456u16,
[INFO] [stdout] 495 | |             "Hallo Welt!"
[INFO] [stdout] 496 | |         ];
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:475:21
[INFO] [stdout]     |
[INFO] [stdout] 475 |                       $crate::__forget(v);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^-^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        argument has type `bool`
[INFO] [stdout] ...
[INFO] [stdout] 491 |           let seq: DynSequence<dyn Any> = dyn_sequence![dyn Any =>
[INFO] [stdout]     |  _________________________________________-
[INFO] [stdout] 492 | |             123u8,
[INFO] [stdout] 493 | |             true,
[INFO] [stdout] 494 | |             456u16,
[INFO] [stdout] 495 | |             "Hallo Welt!"
[INFO] [stdout] 496 | |         ];
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:475:21
[INFO] [stdout]     |
[INFO] [stdout] 475 |                       $crate::__forget(v);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^-^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        argument has type `u16`
[INFO] [stdout] ...
[INFO] [stdout] 491 |           let seq: DynSequence<dyn Any> = dyn_sequence![dyn Any =>
[INFO] [stdout]     |  _________________________________________-
[INFO] [stdout] 492 | |             123u8,
[INFO] [stdout] 493 | |             true,
[INFO] [stdout] 494 | |             456u16,
[INFO] [stdout] 495 | |             "Hallo Welt!"
[INFO] [stdout] 496 | |         ];
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:475:21
[INFO] [stdout]     |
[INFO] [stdout] 475 |                       $crate::__forget(v);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^-^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        argument has type `&str`
[INFO] [stdout] ...
[INFO] [stdout] 491 |           let seq: DynSequence<dyn Any> = dyn_sequence![dyn Any =>
[INFO] [stdout]     |  _________________________________________-
[INFO] [stdout] 492 | |             123u8,
[INFO] [stdout] 493 | |             true,
[INFO] [stdout] 494 | |             456u16,
[INFO] [stdout] 495 | |             "Hallo Welt!"
[INFO] [stdout] 496 | |         ];
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:462:21
[INFO] [stdout]     |
[INFO] [stdout] 462 |                       $crate::__forget(v);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^-^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        argument has type `u8`
[INFO] [stdout] ...
[INFO] [stdout] 521 | /         dyn_sequence![dyn Any | &mut seq => {
[INFO] [stdout] 522 | |             push(123u8);
[INFO] [stdout] 523 | |             push(456u16);
[INFO] [stdout] 524 | |             insert(true) @ 1;
[INFO] [stdout] 525 | |             push("Hallo Welt!");
[INFO] [stdout] 526 | |         }];
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:462:21
[INFO] [stdout]     |
[INFO] [stdout] 462 |                       $crate::__forget(v);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^-^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        argument has type `u16`
[INFO] [stdout] ...
[INFO] [stdout] 521 | /         dyn_sequence![dyn Any | &mut seq => {
[INFO] [stdout] 522 | |             push(123u8);
[INFO] [stdout] 523 | |             push(456u16);
[INFO] [stdout] 524 | |             insert(true) @ 1;
[INFO] [stdout] 525 | |             push("Hallo Welt!");
[INFO] [stdout] 526 | |         }];
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:462:21
[INFO] [stdout]     |
[INFO] [stdout] 462 |                       $crate::__forget(v);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^-^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        argument has type `bool`
[INFO] [stdout] ...
[INFO] [stdout] 521 | /         dyn_sequence![dyn Any | &mut seq => {
[INFO] [stdout] 522 | |             push(123u8);
[INFO] [stdout] 523 | |             push(456u16);
[INFO] [stdout] 524 | |             insert(true) @ 1;
[INFO] [stdout] 525 | |             push("Hallo Welt!");
[INFO] [stdout] 526 | |         }];
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:462:21
[INFO] [stdout]     |
[INFO] [stdout] 462 |                       $crate::__forget(v);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^-^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        argument has type `&str`
[INFO] [stdout] ...
[INFO] [stdout] 521 | /         dyn_sequence![dyn Any | &mut seq => {
[INFO] [stdout] 522 | |             push(123u8);
[INFO] [stdout] 523 | |             push(456u16);
[INFO] [stdout] 524 | |             insert(true) @ 1;
[INFO] [stdout] 525 | |             push("Hallo Welt!");
[INFO] [stdout] 526 | |         }];
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "382b8f3f7de8de320dc43eae2f4d49d6e707e8ad5dfe1ea8f394f539ea775d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382b8f3f7de8de320dc43eae2f4d49d6e707e8ad5dfe1ea8f394f539ea775d88", kill_on_drop: false }`
[INFO] [stdout] 382b8f3f7de8de320dc43eae2f4d49d6e707e8ad5dfe1ea8f394f539ea775d88