[INFO] fetching crate rustypipes 0.1.1... [INFO] building rustypipes-0.1.1 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] extracting crate rustypipes 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate rustypipes 0.1.1 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustypipes 0.1.1 [INFO] finished tweaking crates.io crate rustypipes 0.1.1 [INFO] tweaked toml for crates.io crate rustypipes 0.1.1 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.9.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unix-named-pipe v0.2.0 [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df01d0d2545449bcb86faccbdaaf580d29c72b3d3b79b49fc02ccfc13ec19305 [INFO] running `Command { std: "docker" "start" "-a" "df01d0d2545449bcb86faccbdaaf580d29c72b3d3b79b49fc02ccfc13ec19305", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df01d0d2545449bcb86faccbdaaf580d29c72b3d3b79b49fc02ccfc13ec19305", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df01d0d2545449bcb86faccbdaaf580d29c72b3d3b79b49fc02ccfc13ec19305", kill_on_drop: false }` [INFO] [stdout] df01d0d2545449bcb86faccbdaaf580d29c72b3d3b79b49fc02ccfc13ec19305 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c21a12570896f1f312ad2c403e469dd3d2c598cdc9ff6d0dc392cdcb4d8abd8 [INFO] running `Command { std: "docker" "start" "-a" "5c21a12570896f1f312ad2c403e469dd3d2c598cdc9ff6d0dc392cdcb4d8abd8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling errno v0.2.8 [INFO] [stderr] Compiling unix-named-pipe v0.2.0 [INFO] [stderr] Compiling rustypipes v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/client.rs:471:22 [INFO] [stdout] | [INFO] [stdout] 471 | Ok(_) => drop(self), [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesClient` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/client.rs:472:34 [INFO] [stdout] | [INFO] [stdout] 472 | Err(error) => panic!(error), //Don't worry, it won't panic [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 472 | Err(error) => panic!("{}", error), //Don't worry, it won't panic [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 472 - Err(error) => panic!(error), //Don't worry, it won't panic [INFO] [stdout] 472 + Err(error) => std::panic::panic_any(error), //Don't worry, it won't panic [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/server.rs:307:17 [INFO] [stdout] | [INFO] [stdout] 307 | drop(worker); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesServerWorker` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 307 - drop(worker); [INFO] [stdout] 307 + let _ = worker; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/server.rs:697:9 [INFO] [stdout] | [INFO] [stdout] 697 | drop(self); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesServer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 697 - drop(self); [INFO] [stdout] 697 + let _ = self; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/server.rs:852:9 [INFO] [stdout] | [INFO] [stdout] 852 | drop(self); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesServerWorker` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 852 - drop(self); [INFO] [stdout] 852 + let _ = self; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s [INFO] running `Command { std: "docker" "inspect" "5c21a12570896f1f312ad2c403e469dd3d2c598cdc9ff6d0dc392cdcb4d8abd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c21a12570896f1f312ad2c403e469dd3d2c598cdc9ff6d0dc392cdcb4d8abd8", kill_on_drop: false }` [INFO] [stdout] 5c21a12570896f1f312ad2c403e469dd3d2c598cdc9ff6d0dc392cdcb4d8abd8 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a5b324cb36a023ad7f488345c8128fc325ca7120ad24908f6189a747895c9de [INFO] running `Command { std: "docker" "start" "-a" "4a5b324cb36a023ad7f488345c8128fc325ca7120ad24908f6189a747895c9de", kill_on_drop: false }` [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/client.rs:471:22 [INFO] [stdout] | [INFO] [stdout] 471 | Ok(_) => drop(self), [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesClient` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/client.rs:472:34 [INFO] [stdout] | [INFO] [stdout] 472 | Err(error) => panic!(error), //Don't worry, it won't panic [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 472 | Err(error) => panic!("{}", error), //Don't worry, it won't panic [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 472 - Err(error) => panic!(error), //Don't worry, it won't panic [INFO] [stdout] 472 + Err(error) => std::panic::panic_any(error), //Don't worry, it won't panic [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rustypipes v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/server.rs:307:17 [INFO] [stdout] | [INFO] [stdout] 307 | drop(worker); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesServerWorker` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 307 - drop(worker); [INFO] [stdout] 307 + let _ = worker; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/server.rs:697:9 [INFO] [stdout] | [INFO] [stdout] 697 | drop(self); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesServer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 697 - drop(self); [INFO] [stdout] 697 + let _ = self; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/server.rs:852:9 [INFO] [stdout] | [INFO] [stdout] 852 | drop(self); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesServerWorker` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 852 - drop(self); [INFO] [stdout] 852 + let _ = self; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/client.rs:471:22 [INFO] [stdout] | [INFO] [stdout] 471 | Ok(_) => drop(self), [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesClient` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/client.rs:472:34 [INFO] [stdout] | [INFO] [stdout] 472 | Err(error) => panic!(error), //Don't worry, it won't panic [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 472 | Err(error) => panic!("{}", error), //Don't worry, it won't panic [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 472 - Err(error) => panic!(error), //Don't worry, it won't panic [INFO] [stdout] 472 + Err(error) => std::panic::panic_any(error), //Don't worry, it won't panic [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/server.rs:307:17 [INFO] [stdout] | [INFO] [stdout] 307 | drop(worker); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesServerWorker` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 307 - drop(worker); [INFO] [stdout] 307 + let _ = worker; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/server.rs:697:9 [INFO] [stdout] | [INFO] [stdout] 697 | drop(self); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesServer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 697 - drop(self); [INFO] [stdout] 697 + let _ = self; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/server.rs:852:9 [INFO] [stdout] | [INFO] [stdout] 852 | drop(self); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut OctopipesServerWorker` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 852 - drop(self); [INFO] [stdout] 852 + let _ = self; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "4a5b324cb36a023ad7f488345c8128fc325ca7120ad24908f6189a747895c9de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a5b324cb36a023ad7f488345c8128fc325ca7120ad24908f6189a747895c9de", kill_on_drop: false }` [INFO] [stdout] 4a5b324cb36a023ad7f488345c8128fc325ca7120ad24908f6189a747895c9de