[INFO] fetching crate perfrecord-mach-ipc-rendezvous 0.2.1... [INFO] checking perfrecord-mach-ipc-rendezvous-0.2.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate perfrecord-mach-ipc-rendezvous 0.2.1 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate perfrecord-mach-ipc-rendezvous 0.2.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate perfrecord-mach-ipc-rendezvous 0.2.1 [INFO] finished tweaking crates.io crate perfrecord-mach-ipc-rendezvous 0.2.1 [INFO] tweaked toml for crates.io crate perfrecord-mach-ipc-rendezvous 0.2.1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab8a4410e9169849e9c4337b672c5c4513dc8d447669c2c3abbc11455c9333e7 [INFO] running `Command { std: "docker" "start" "-a" "ab8a4410e9169849e9c4337b672c5c4513dc8d447669c2c3abbc11455c9333e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab8a4410e9169849e9c4337b672c5c4513dc8d447669c2c3abbc11455c9333e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab8a4410e9169849e9c4337b672c5c4513dc8d447669c2c3abbc11455c9333e7", kill_on_drop: false }` [INFO] [stdout] ab8a4410e9169849e9c4337b672c5c4513dc8d447669c2c3abbc11455c9333e7 [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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a31b9b25d5f37c303048a5bab908e9217e77fb4749db1a2fcad490aa58fee4c3 [INFO] running `Command { std: "docker" "start" "-a" "a31b9b25d5f37c303048a5bab908e9217e77fb4749db1a2fcad490aa58fee4c3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking perfrecord-mach-ipc-rendezvous v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:832:9 [INFO] [stdout] | [INFO] [stdout] 832 | drop(OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] | _________^ - [INFO] [stdout] | |______________| [INFO] [stdout] 833 | || &mut self.name, [INFO] [stdout] 834 | || String::new(), [INFO] [stdout] 835 | || ))); [INFO] [stdout] | ||__________-^ [INFO] [stdout] | |___________| [INFO] [stdout] | argument has type `Result<(), MachError>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 832 ~ let _ = OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] 833 | &mut self.name, [INFO] [stdout] 834 | String::new(), [INFO] [stdout] 835 ~ )); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:880:9 [INFO] [stdout] | [INFO] [stdout] 880 | drop(OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] | _________^ - [INFO] [stdout] | |______________| [INFO] [stdout] 881 | || &mut self.name, [INFO] [stdout] 882 | || String::new(), [INFO] [stdout] 883 | || ))); [INFO] [stdout] | ||__________-^ [INFO] [stdout] | |___________| [INFO] [stdout] | argument has type `Result<(), MachError>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 880 ~ let _ = OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] 881 | &mut self.name, [INFO] [stdout] 882 | String::new(), [INFO] [stdout] 883 ~ )); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:832:9 [INFO] [stdout] | [INFO] [stdout] 832 | drop(OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] | _________^ - [INFO] [stdout] | |______________| [INFO] [stdout] 833 | || &mut self.name, [INFO] [stdout] 834 | || String::new(), [INFO] [stdout] 835 | || ))); [INFO] [stdout] | ||__________-^ [INFO] [stdout] | |___________| [INFO] [stdout] | argument has type `Result<(), MachError>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 832 ~ let _ = OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] 833 | &mut self.name, [INFO] [stdout] 834 | String::new(), [INFO] [stdout] 835 ~ )); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:880:9 [INFO] [stdout] | [INFO] [stdout] 880 | drop(OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] | _________^ - [INFO] [stdout] | |______________| [INFO] [stdout] 881 | || &mut self.name, [INFO] [stdout] 882 | || String::new(), [INFO] [stdout] 883 | || ))); [INFO] [stdout] | ||__________-^ [INFO] [stdout] | |___________| [INFO] [stdout] | argument has type `Result<(), MachError>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 880 ~ let _ = OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] 881 | &mut self.name, [INFO] [stdout] 882 | String::new(), [INFO] [stdout] 883 ~ )); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.42s [INFO] running `Command { std: "docker" "inspect" "a31b9b25d5f37c303048a5bab908e9217e77fb4749db1a2fcad490aa58fee4c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a31b9b25d5f37c303048a5bab908e9217e77fb4749db1a2fcad490aa58fee4c3", kill_on_drop: false }` [INFO] [stdout] a31b9b25d5f37c303048a5bab908e9217e77fb4749db1a2fcad490aa58fee4c3 [INFO] checking perfrecord-mach-ipc-rendezvous-0.2.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate perfrecord-mach-ipc-rendezvous 0.2.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate perfrecord-mach-ipc-rendezvous 0.2.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate perfrecord-mach-ipc-rendezvous 0.2.1 [INFO] finished tweaking crates.io crate perfrecord-mach-ipc-rendezvous 0.2.1 [INFO] tweaked toml for crates.io crate perfrecord-mach-ipc-rendezvous 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06180bbb97ebf76b1d2678d241b1d2a5b3b4c0d84731a5b64237b53b7e886051 [INFO] running `Command { std: "docker" "start" "-a" "06180bbb97ebf76b1d2678d241b1d2a5b3b4c0d84731a5b64237b53b7e886051", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06180bbb97ebf76b1d2678d241b1d2a5b3b4c0d84731a5b64237b53b7e886051", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06180bbb97ebf76b1d2678d241b1d2a5b3b4c0d84731a5b64237b53b7e886051", kill_on_drop: false }` [INFO] [stdout] 06180bbb97ebf76b1d2678d241b1d2a5b3b4c0d84731a5b64237b53b7e886051 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a5c934b700a6ab19bb1a1434d3faa3b86351883d525d5924d56a285e0f313b3 [INFO] running `Command { std: "docker" "start" "-a" "0a5c934b700a6ab19bb1a1434d3faa3b86351883d525d5924d56a285e0f313b3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking perfrecord-mach-ipc-rendezvous v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:832:9 [INFO] [stdout] | [INFO] [stdout] 832 | drop(OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] | _________^ - [INFO] [stdout] | |______________| [INFO] [stdout] 833 | || &mut self.name, [INFO] [stdout] 834 | || String::new(), [INFO] [stdout] 835 | || ))); [INFO] [stdout] | ||__________-^ [INFO] [stdout] | |___________| [INFO] [stdout] | argument has type `Result<(), MachError>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 832 ~ let _ = OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] 833 | &mut self.name, [INFO] [stdout] 834 | String::new(), [INFO] [stdout] 835 ~ )); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:880:9 [INFO] [stdout] | [INFO] [stdout] 880 | drop(OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] | _________^ - [INFO] [stdout] | |______________| [INFO] [stdout] 881 | || &mut self.name, [INFO] [stdout] 882 | || String::new(), [INFO] [stdout] 883 | || ))); [INFO] [stdout] | ||__________-^ [INFO] [stdout] | |___________| [INFO] [stdout] | argument has type `Result<(), MachError>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 880 ~ let _ = OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] 881 | &mut self.name, [INFO] [stdout] 882 | String::new(), [INFO] [stdout] 883 ~ )); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:832:9 [INFO] [stdout] | [INFO] [stdout] 832 | drop(OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] | _________^ - [INFO] [stdout] | |______________| [INFO] [stdout] 833 | || &mut self.name, [INFO] [stdout] 834 | || String::new(), [INFO] [stdout] 835 | || ))); [INFO] [stdout] | ||__________-^ [INFO] [stdout] | |___________| [INFO] [stdout] | argument has type `Result<(), MachError>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 832 ~ let _ = OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] 833 | &mut self.name, [INFO] [stdout] 834 | String::new(), [INFO] [stdout] 835 ~ )); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:880:9 [INFO] [stdout] | [INFO] [stdout] 880 | drop(OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] | _________^ - [INFO] [stdout] | |______________| [INFO] [stdout] 881 | || &mut self.name, [INFO] [stdout] 882 | || String::new(), [INFO] [stdout] 883 | || ))); [INFO] [stdout] | ||__________-^ [INFO] [stdout] | |___________| [INFO] [stdout] | argument has type `Result<(), MachError>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 880 ~ let _ = OsIpcReceiver::unregister_global_name(mem::replace( [INFO] [stdout] 881 | &mut self.name, [INFO] [stdout] 882 | String::new(), [INFO] [stdout] 883 ~ )); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.09s [INFO] running `Command { std: "docker" "inspect" "0a5c934b700a6ab19bb1a1434d3faa3b86351883d525d5924d56a285e0f313b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a5c934b700a6ab19bb1a1434d3faa3b86351883d525d5924d56a285e0f313b3", kill_on_drop: false }` [INFO] [stdout] 0a5c934b700a6ab19bb1a1434d3faa3b86351883d525d5924d56a285e0f313b3