[INFO] fetching crate dynsequence 0.1.0-alpha.4... [INFO] checking dynsequence-0.1.0-alpha.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate dynsequence 0.1.0-alpha.4 into /workspace/builds/worker-1-tc1/source [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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate dynsequence 0.1.0-alpha.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ac6e7b27e3df724d11210bd8f2922276d4d99d737280f98ec48df5839215331 [INFO] running `Command { std: "docker" "start" "-a" "5ac6e7b27e3df724d11210bd8f2922276d4d99d737280f98ec48df5839215331", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ac6e7b27e3df724d11210bd8f2922276d4d99d737280f98ec48df5839215331", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ac6e7b27e3df724d11210bd8f2922276d4d99d737280f98ec48df5839215331", kill_on_drop: false }` [INFO] [stdout] 5ac6e7b27e3df724d11210bd8f2922276d4d99d737280f98ec48df5839215331 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fcf7efc2f2809b092ec2e2d849652cee8d997c4724abfadc7c83229e46b09faf [INFO] running `Command { std: "docker" "start" "-a" "fcf7efc2f2809b092ec2e2d849652cee8d997c4724abfadc7c83229e46b09faf", kill_on_drop: false }` [INFO] [stderr] Checking dynsequence v0.1.0-alpha.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | let size = mem::size_of_val::(&*src); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | unused_qualifications, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 111 - let size = mem::size_of_val::(&*src); [INFO] [stdout] 111 + let size = size_of_val::(&*src); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:112:21 [INFO] [stdout] | [INFO] [stdout] 112 | let align = mem::align_of_val::(&*src); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 112 - let align = mem::align_of_val::(&*src); [INFO] [stdout] 112 + let align = align_of_val::(&*src); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | let size = mem::size_of_val::(&*src); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | unused_qualifications, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 111 - let size = mem::size_of_val::(&*src); [INFO] [stdout] 111 + let size = size_of_val::(&*src); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:112:21 [INFO] [stdout] | [INFO] [stdout] 112 | let align = mem::align_of_val::(&*src); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 112 - let align = mem::align_of_val::(&*src); [INFO] [stdout] 112 + let align = align_of_val::(&*src); [INFO] [stdout] | [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 `u8` [INFO] [stdout] ... [INFO] [stdout] 491 | let seq: DynSequence = 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: `#[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] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 475 - $crate::__forget(v); [INFO] [stdout] 475 + let _ = v; [INFO] [stdout] | [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_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: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 475 - $crate::__forget(v); [INFO] [stdout] 475 + let _ = v; [INFO] [stdout] | [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_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: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 475 - $crate::__forget(v); [INFO] [stdout] 475 + let _ = v; [INFO] [stdout] | [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_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: `#[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] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 475 - $crate::__forget(v); [INFO] [stdout] 475 + let _ = v; [INFO] [stdout] | [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: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 462 - $crate::__forget(v); [INFO] [stdout] 462 + let _ = v; [INFO] [stdout] | [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: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 462 - $crate::__forget(v); [INFO] [stdout] 462 + let _ = v; [INFO] [stdout] | [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: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 462 - $crate::__forget(v); [INFO] [stdout] 462 + let _ = v; [INFO] [stdout] | [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: this warning originates in the macro `dyn_sequence` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 462 - $crate::__forget(v); [INFO] [stdout] 462 + let _ = v; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "fcf7efc2f2809b092ec2e2d849652cee8d997c4724abfadc7c83229e46b09faf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcf7efc2f2809b092ec2e2d849652cee8d997c4724abfadc7c83229e46b09faf", kill_on_drop: false }` [INFO] [stdout] fcf7efc2f2809b092ec2e2d849652cee8d997c4724abfadc7c83229e46b09faf