[INFO] fetching crate futures-signals 0.3.34... [INFO] checking futures-signals-0.3.34 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate futures-signals 0.3.34 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate futures-signals 0.3.34 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate futures-signals 0.3.34 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate futures-signals 0.3.34 [INFO] tweaked toml for crates.io crate futures-signals 0.3.34 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 93 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.16) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.2) [INFO] [stderr] Adding criterion v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gensym v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2e4cf8c1cd66a2629a4aa717acce205ca133502354175133e922d86996f238c [INFO] running `Command { std: "docker" "start" "-a" "d2e4cf8c1cd66a2629a4aa717acce205ca133502354175133e922d86996f238c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2e4cf8c1cd66a2629a4aa717acce205ca133502354175133e922d86996f238c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2e4cf8c1cd66a2629a4aa717acce205ca133502354175133e922d86996f238c", kill_on_drop: false }` [INFO] [stdout] d2e4cf8c1cd66a2629a4aa717acce205ca133502354175133e922d86996f238c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4af0d951c1f3fc1759009fa4a1175aa4ee95959d54eb915655025598d8af711 [INFO] running `Command { std: "docker" "start" "-a" "b4af0d951c1f3fc1759009fa4a1175aa4ee95959d54eb915655025598d8af711", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Compiling indoc v2.0.5 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling uuid v1.10.0 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling gensym v0.1.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking futures-signals v0.3.34 (/opt/rustwide/workdir) [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:305:31 [INFO] [stdout] | [INFO] [stdout] 305 | is_eq(vec![], vec![], |v| drop(v.truncate(0)), vec![ [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:310:31 [INFO] [stdout] | [INFO] [stdout] 310 | is_eq(vec![], vec![], |v| drop(v.truncate(10)), vec![ [INFO] [stdout] | ^^^^^--------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:315:49 [INFO] [stdout] | [INFO] [stdout] 315 | is_eq(vec![5, 10, 15], vec![5, 10, 15], |v| drop(v.truncate(3)), vec![ [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:321:49 [INFO] [stdout] | [INFO] [stdout] 321 | is_eq(vec![5, 10, 15], vec![5, 10, 15], |v| drop(v.truncate(10)), vec![ [INFO] [stdout] | ^^^^^--------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:327:45 [INFO] [stdout] | [INFO] [stdout] 327 | is_eq(vec![5, 10, 15], vec![5, 10], |v| drop(v.truncate(2)), vec![ [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:334:41 [INFO] [stdout] | [INFO] [stdout] 334 | is_eq(vec![5, 10, 15], vec![5], |v| drop(v.truncate(1)), vec![ [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:342:40 [INFO] [stdout] | [INFO] [stdout] 342 | is_eq(vec![5, 10, 15], vec![], |v| drop(v.truncate(0)), vec![ [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:353:31 [INFO] [stdout] | [INFO] [stdout] 353 | is_eq(vec![], vec![], |v| drop(v.extend(0..0)), vec![ [INFO] [stdout] | ^^^^^--------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:358:38 [INFO] [stdout] | [INFO] [stdout] 358 | is_eq(vec![], vec![0, 1, 2], |v| drop(v.extend(0..3)), vec![ [INFO] [stdout] | ^^^^^--------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:366:54 [INFO] [stdout] | [INFO] [stdout] 366 | is_eq(vec![0, 1, 2], vec![0, 1, 2, 3, 4, 5], |v| drop(v.extend(3..6)), vec![ [INFO] [stdout] | ^^^^^--------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/mutable_vec.rs:375:45 [INFO] [stdout] | [INFO] [stdout] 375 | is_eq(vec![0, 1, 2], vec![0, 1, 2], |v| drop(v.extend(0..0)), vec![ [INFO] [stdout] | ^^^^^--------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.97s [INFO] running `Command { std: "docker" "inspect" "b4af0d951c1f3fc1759009fa4a1175aa4ee95959d54eb915655025598d8af711", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4af0d951c1f3fc1759009fa4a1175aa4ee95959d54eb915655025598d8af711", kill_on_drop: false }` [INFO] [stdout] b4af0d951c1f3fc1759009fa4a1175aa4ee95959d54eb915655025598d8af711