[INFO] fetching crate tinybox 0.3.1... [INFO] checking tinybox-0.3.1 against master#36b61e5aa593cc60cc92fc548b0d351e414aee2a for pr-116930 [INFO] extracting crate tinybox 0.3.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate tinybox 0.3.1 on toolchain 36b61e5aa593cc60cc92fc548b0d351e414aee2a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tinybox 0.3.1 [INFO] finished tweaking crates.io crate tinybox 0.3.1 [INFO] tweaked toml for crates.io crate tinybox 0.3.1 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" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "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" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 48aeeed4ac573ecb8c37fb55f07539279d0b22d6a48c5dbda91a445be4c2e60f [INFO] running `Command { std: "docker" "start" "-a" "48aeeed4ac573ecb8c37fb55f07539279d0b22d6a48c5dbda91a445be4c2e60f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48aeeed4ac573ecb8c37fb55f07539279d0b22d6a48c5dbda91a445be4c2e60f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48aeeed4ac573ecb8c37fb55f07539279d0b22d6a48c5dbda91a445be4c2e60f", kill_on_drop: false }` [INFO] [stdout] 48aeeed4ac573ecb8c37fb55f07539279d0b22d6a48c5dbda91a445be4c2e60f [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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3f48cce5d882c893ffc3ab922c990522b31357415a157594a6b14e914366899 [INFO] running `Command { std: "docker" "start" "-a" "a3f48cce5d882c893ffc3ab922c990522b31357415a157594a6b14e914366899", kill_on_drop: false }` [INFO] [stderr] Checking tinybox v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | $crate::__forget(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] ... [INFO] [stdout] 516 | let tiny = tinybox!(dyn Any => 12345usize); [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 `tinybox` (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:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | $crate::__forget(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `[usize; 2]` [INFO] [stdout] ... [INFO] [stdout] 520 | let big: TinyBox = tinybox!(dyn Any => [12345usize, 5678]); [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 `tinybox` (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:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | $crate::__forget(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `[usize; 2]` [INFO] [stdout] ... [INFO] [stdout] 524 | let tiny_sized: TinyBoxSized = tinybox!(dyn Any => [12345usize, 5678]; 1); [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 `tinybox` (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:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | $crate::__forget(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `[usize; 3]` [INFO] [stdout] ... [INFO] [stdout] 528 | let big_sized: TinyBoxSized = tinybox!(dyn Any => [12345usize, 5678, 4567]; 1); [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 `tinybox` (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:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | $crate::__forget(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] ... [INFO] [stdout] 535 | let tiny = tinybox!(dyn Any => 12345usize); [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 `tinybox` (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:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | $crate::__forget(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `[usize; 2]` [INFO] [stdout] ... [INFO] [stdout] 539 | let big: TinyBox = tinybox!(dyn Any => [12345usize, 5678]); [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 `tinybox` (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:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | $crate::__forget(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `[usize; 2]` [INFO] [stdout] ... [INFO] [stdout] 543 | let tiny_sized: TinyBoxSized = tinybox!(dyn Any => [12345usize, 5678]; 1); [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 `tinybox` (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:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | $crate::__forget(val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `[usize; 3]` [INFO] [stdout] ... [INFO] [stdout] 547 | let big_sized: TinyBoxSized = tinybox!(dyn Any => [12345usize, 5678, 4567]; 1); [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 `tinybox` (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 [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "a3f48cce5d882c893ffc3ab922c990522b31357415a157594a6b14e914366899", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3f48cce5d882c893ffc3ab922c990522b31357415a157594a6b14e914366899", kill_on_drop: false }` [INFO] [stdout] a3f48cce5d882c893ffc3ab922c990522b31357415a157594a6b14e914366899