[INFO] fetching crate ein-ffi 0.6.0... [INFO] testing ein-ffi-0.6.0 against 1.77.0 for beta-1.78-1 [INFO] extracting crate ein-ffi 0.6.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate ein-ffi 0.6.0 on toolchain 1.77.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ein-ffi 0.6.0 [INFO] finished tweaking crates.io crate ein-ffi 0.6.0 [INFO] tweaked toml for crates.io crate ein-ffi 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "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" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca4bbf7b26bf8dd0e51c90b39873680ae92647b01a7b401073e9f95eca8bbd7d [INFO] running `Command { std: "docker" "start" "-a" "ca4bbf7b26bf8dd0e51c90b39873680ae92647b01a7b401073e9f95eca8bbd7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca4bbf7b26bf8dd0e51c90b39873680ae92647b01a7b401073e9f95eca8bbd7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca4bbf7b26bf8dd0e51c90b39873680ae92647b01a7b401073e9f95eca8bbd7d", kill_on_drop: false }` [INFO] [stdout] ca4bbf7b26bf8dd0e51c90b39873680ae92647b01a7b401073e9f95eca8bbd7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff3d958772e32b90e89fbaa42fa2253084916ce97397ec855d05381219df2ec4 [INFO] running `Command { std: "docker" "start" "-a" "ff3d958772e32b90e89fbaa42fa2253084916ce97397ec855d05381219df2ec4", kill_on_drop: false }` [INFO] [stderr] Compiling ein-ffi v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "ff3d958772e32b90e89fbaa42fa2253084916ce97397ec855d05381219df2ec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff3d958772e32b90e89fbaa42fa2253084916ce97397ec855d05381219df2ec4", kill_on_drop: false }` [INFO] [stdout] ff3d958772e32b90e89fbaa42fa2253084916ce97397ec855d05381219df2ec4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e29d92651d2a4898438ed5a5e54936f7a1b78134d5bb9ef435b6442c78b43647 [INFO] running `Command { std: "docker" "start" "-a" "e29d92651d2a4898438ed5a5e54936f7a1b78134d5bb9ef435b6442c78b43647", kill_on_drop: false }` [INFO] [stderr] Compiling ein-ffi v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/arc/arc_buffer.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | ArcBuffer::from(vec![0u8; 42].as_slice()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 114 | let _ = ArcBuffer::from(vec![0u8; 42].as_slice()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/arc/arc_buffer.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | ArcBuffer::from("hello".as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 119 | let _ = ArcBuffer::from("hello".as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "e29d92651d2a4898438ed5a5e54936f7a1b78134d5bb9ef435b6442c78b43647", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e29d92651d2a4898438ed5a5e54936f7a1b78134d5bb9ef435b6442c78b43647", kill_on_drop: false }` [INFO] [stdout] e29d92651d2a4898438ed5a5e54936f7a1b78134d5bb9ef435b6442c78b43647 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 77e40fa5ef03f7062bbb0df8ab327fa712213a0d385dff5daadf9afc9194037a [INFO] running `Command { std: "docker" "start" "-a" "77e40fa5ef03f7062bbb0df8ab327fa712213a0d385dff5daadf9afc9194037a", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `from` that must be used [INFO] [stderr] --> src/arc/arc_buffer.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | ArcBuffer::from(vec![0u8; 42].as_slice()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 114 | let _ = ArcBuffer::from(vec![0u8; 42].as_slice()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `from` that must be used [INFO] [stderr] --> src/arc/arc_buffer.rs:119:9 [INFO] [stderr] | [INFO] [stderr] 119 | ArcBuffer::from("hello".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 119 | let _ = ArcBuffer::from("hello".as_bytes()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `ein-ffi` (lib test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ein_ffi-eae057d10cc4ad04) [INFO] [stdout] [INFO] [stdout] running 24 tests [INFO] [stdout] test arc::arc_block::tests::create ... ok [INFO] [stdout] test arc::arc_block::tests::create_null ... ok [INFO] [stdout] test arc::arc_block::tests::drop ... ok [INFO] [stdout] test arc::arc_block::tests::drop_twice ... ok [INFO] [stdout] test arc::arc_block::tests::clone ... ok [INFO] [stdout] test arc::arc_buffer::tests::clone ... ok [INFO] [stdout] test arc::arc_buffer::tests::convert_from_string ... ok [INFO] [stdout] test arc::arc_buffer::tests::convert_from_vec ... ok [INFO] [stdout] test arc::arc_buffer::tests::create_buffer ... ok [INFO] [stdout] test arc::tests::clone ... ok [INFO] [stdout] test arc::arc_buffer::tests::create_zero_sized_buffer ... ok [INFO] [stdout] test arc::tests::zero_sized::create ... ok [INFO] [stdout] test arc::tests::zero_sized::clone ... ok [INFO] [stdout] test arc::tests::create ... ok [INFO] [stdout] test string::tests::slice_into_whole ... ok [INFO] [stdout] test string::tests::slice_last_with_emojis ... ok [INFO] [stdout] test string::tests::slice_with_ascii ... ok [INFO] [stdout] test string::tests::slice_with_emojis ... ok [INFO] [stdout] test string::tests::join ... ok [INFO] [stdout] test arc::tests::zero_sized::load_payload ... ok [INFO] [stdout] test arc::tests::load_payload ... ok [INFO] [stdout] test string::tests::join_empty ... ok [INFO] [stdout] test string::tests::slice_with_negative_index ... ok [INFO] [stdout] test string::tests::slice_into_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests ein-ffi [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "77e40fa5ef03f7062bbb0df8ab327fa712213a0d385dff5daadf9afc9194037a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77e40fa5ef03f7062bbb0df8ab327fa712213a0d385dff5daadf9afc9194037a", kill_on_drop: false }` [INFO] [stdout] 77e40fa5ef03f7062bbb0df8ab327fa712213a0d385dff5daadf9afc9194037a [INFO] testing ein-ffi-0.6.0 against beta-2024-03-24 for beta-1.78-1 [INFO] extracting crate ein-ffi 0.6.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate ein-ffi 0.6.0 on toolchain beta-2024-03-24 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ein-ffi 0.6.0 [INFO] finished tweaking crates.io crate ein-ffi 0.6.0 [INFO] tweaked toml for crates.io crate ein-ffi 0.6.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-03-24" "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" "+beta-2024-03-24" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f7d2ba41e869d52ebefa54ad5f8d9dc45468e044553a1922220139522fb20a8 [INFO] running `Command { std: "docker" "start" "-a" "3f7d2ba41e869d52ebefa54ad5f8d9dc45468e044553a1922220139522fb20a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f7d2ba41e869d52ebefa54ad5f8d9dc45468e044553a1922220139522fb20a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f7d2ba41e869d52ebefa54ad5f8d9dc45468e044553a1922220139522fb20a8", kill_on_drop: false }` [INFO] [stdout] 3f7d2ba41e869d52ebefa54ad5f8d9dc45468e044553a1922220139522fb20a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08375c44b4285fe2dadc26b71d761096cfe38164adc00e202ce429237b56db9c [INFO] running `Command { std: "docker" "start" "-a" "08375c44b4285fe2dadc26b71d761096cfe38164adc00e202ce429237b56db9c", kill_on_drop: false }` [INFO] [stderr] Compiling ein-ffi v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "08375c44b4285fe2dadc26b71d761096cfe38164adc00e202ce429237b56db9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08375c44b4285fe2dadc26b71d761096cfe38164adc00e202ce429237b56db9c", kill_on_drop: false }` [INFO] [stdout] 08375c44b4285fe2dadc26b71d761096cfe38164adc00e202ce429237b56db9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 71f2ff4a1d62d3b053e985045e1713b4101b06d7c2f4d8b8b67bbedb227f4e37 [INFO] running `Command { std: "docker" "start" "-a" "71f2ff4a1d62d3b053e985045e1713b4101b06d7c2f4d8b8b67bbedb227f4e37", kill_on_drop: false }` [INFO] [stderr] Compiling ein-ffi v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/arc/arc_buffer.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | ArcBuffer::from(vec![0u8; 42].as_slice()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 114 | let _ = ArcBuffer::from(vec![0u8; 42].as_slice()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/arc/arc_buffer.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | ArcBuffer::from("hello".as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 119 | let _ = ArcBuffer::from("hello".as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "71f2ff4a1d62d3b053e985045e1713b4101b06d7c2f4d8b8b67bbedb227f4e37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71f2ff4a1d62d3b053e985045e1713b4101b06d7c2f4d8b8b67bbedb227f4e37", kill_on_drop: false }` [INFO] [stdout] 71f2ff4a1d62d3b053e985045e1713b4101b06d7c2f4d8b8b67bbedb227f4e37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0888ae8b2a11b7c96fee7f2c0dff27462f24290a64cc4ce3601a0aafd8641e6a [INFO] running `Command { std: "docker" "start" "-a" "0888ae8b2a11b7c96fee7f2c0dff27462f24290a64cc4ce3601a0aafd8641e6a", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `from` that must be used [INFO] [stderr] --> src/arc/arc_buffer.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | ArcBuffer::from(vec![0u8; 42].as_slice()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 114 | let _ = ArcBuffer::from(vec![0u8; 42].as_slice()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `from` that must be used [INFO] [stderr] --> src/arc/arc_buffer.rs:119:9 [INFO] [stderr] | [INFO] [stderr] 119 | ArcBuffer::from("hello".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 119 | let _ = ArcBuffer::from("hello".as_bytes()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `ein-ffi` (lib test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ein_ffi-2a9d1f8643dc4c89) [INFO] [stdout] [INFO] [stdout] running 24 tests [INFO] [stdout] test arc::arc_block::tests::clone ... ok [INFO] [stdout] test arc::arc_block::tests::create ... ok [INFO] [stdout] test arc::arc_block::tests::create_null ... ok [INFO] [stdout] test arc::arc_block::tests::drop ... ok [INFO] [stdout] test arc::arc_block::tests::drop_twice ... ok [INFO] [stdout] test arc::arc_buffer::tests::clone ... ok [INFO] [stdout] test arc::arc_buffer::tests::convert_from_string ... ok [INFO] [stdout] test arc::arc_buffer::tests::convert_from_vec ... ok [INFO] [stdout] test arc::arc_buffer::tests::create_buffer ... ok [INFO] [stdout] test arc::arc_buffer::tests::create_zero_sized_buffer ... ok [INFO] [stdout] test arc::tests::clone ... ok [INFO] [stdout] test arc::tests::create ... ok [INFO] [stderr] thread 'string::tests::join_empty' panicked at library/core/src/panicking.rs:156:5: [INFO] [stderr] unsafe precondition(s) violated: slice::from_raw_parts_mut requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX` [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560e1c3bf952 - std::backtrace_rs::backtrace::libunwind::trace::hf591c4fa475b521b [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x560e1c3bf952 - std::backtrace_rs::backtrace::trace_unsynchronized::hce0fc3788d7159a9 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x560e1c3bf952 - std::sys_common::backtrace::_print_fmt::he2d1cbe468040257 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x560e1c3bf952 - ::fmt::h2c24b8bf09043006 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x560e1c3e72cc - core::fmt::rt::Argument::fmt::h982f45771e9ecd8b [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/rt.rs:142:9 [INFO] [stderr] 5: 0x560e1c3e72cc - core::fmt::write::h08d521d188b46bd0 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/fmt/mod.rs:1153:17 [INFO] [stderr] 6: 0x560e1c3bd24f - std::io::Write::write_fmt::h30d389991f37d75e [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/io/mod.rs:1843:15 [INFO] [stderr] 7: 0x560e1c3bf724 - std::sys_common::backtrace::_print::h3e781da3859a0efa [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x560e1c3bf724 - std::sys_common::backtrace::print::he5e9ec6ac18663c5 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x560e1c3c13eb - std::panicking::default_hook::{{closure}}::hb05b3618b96e9a16 [INFO] [stderr] 10: 0x560e1c3c1143 - std::panicking::default_hook::ha92ce0e319b86adc [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:292:9 [INFO] [stderr] 11: 0x560e1c3911e7 - as core::ops::function::Fn>::call::hfad4e8cd66d28d6f [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9 [INFO] [stderr] 12: 0x560e1c3911e7 - test::test_main::{{closure}}::hb316c81ad0052246 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:138:21 [INFO] [stderr] 13: 0x560e1c3c1a20 - as core::ops::function::Fn>::call::h48f57e8ba0ebe10d [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2034:9 [INFO] [stderr] 14: 0x560e1c3c1a20 - std::panicking::rust_panic_with_hook::h0843a0c6d846e961 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:783:13 [INFO] [stderr] 15: 0x560e1c3c1729 - std::panicking::begin_panic_handler::{{closure}}::h089f044d920e4ed4 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:649:13 [INFO] [stderr] 16: 0x560e1c3bfe26 - std::sys_common::backtrace::__rust_end_short_backtrace::h17a752ec00eb4307 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 17: 0x560e1c3c1494 - rust_begin_unwind [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:645:5 [INFO] [stderr] 18: 0x560e1c35588a - core::panicking::panic_nounwind_fmt::runtime::h762a01e9781b3200 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panicking.rs:110:18 [INFO] [stderr] 19: 0x560e1c35588a - core::panicking::panic_nounwind_fmt::hc6c08c4591994c18 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panicking.rs:123:9 [INFO] [stderr] 20: 0x560e1c355939 - core::panicking::panic_nounwind::h375e432f93a2f928 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panicking.rs:156:5 [INFO] [stderr] 21: 0x560e1c35d0cc - core::slice::raw::from_raw_parts_mut::precondition_check::h736b2effb77e5778 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/intrinsics.rs:2799:21 [INFO] [stderr] 22: 0x560e1c35d00d - core::slice::raw::from_raw_parts_mut::h9e82d561b4f40733 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/slice/raw.rs:152:9 [INFO] [stderr] 23: 0x560e1c358bb2 - ein_ffi::arc::arc_buffer::ArcBuffer::as_slice_mut::hfe6866f1ea74ff3c [INFO] [stderr] at /opt/rustwide/workdir/src/arc/arc_buffer.rs:55:17 [INFO] [stderr] 24: 0x560e1c358c63 - >::from::h0eb3c9104ad7ee3d [INFO] [stderr] at /opt/rustwide/workdir/src/arc/arc_buffer.rs:83:9 [INFO] [stderr] 25: 0x560e1c35d543 - >::into::h2600069963c8d19e [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/convert/mod.rs:759:9 [INFO] [stderr] 26: 0x560e1c35974a - >::from::h3aa587003e21b444 [INFO] [stderr] at /opt/rustwide/workdir/src/string.rs:88:21 [INFO] [stderr] 27: 0x560e1c35d573 - >::into::h752ca9e7a92a0a86 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/convert/mod.rs:759:9 [INFO] [stderr] 28: 0x560e1c359794 - >::from::hcab5bb99433f95a5 [INFO] [stderr] at /opt/rustwide/workdir/src/string.rs:95:9 [INFO] [stderr] 29: 0x560e1c35a4f1 - ein_ffi::string::tests::join_empty::hb24c57d4438ef2db [INFO] [stderr] at /opt/rustwide/workdir/src/string.rs:126:13 [INFO] [stderr] 30: 0x560e1c35a4b7 - ein_ffi::string::tests::join_empty::{{closure}}::h58c47bdd7f48173f [INFO] [stderr] at /opt/rustwide/workdir/src/string.rs:124:20 [INFO] [stderr] 31: 0x560e1c356686 - core::ops::function::FnOnce::call_once::h94d65268f5fb8c07 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 32: 0x560e1c395daf - core::ops::function::FnOnce::call_once::h0e9f6b735acda624 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 33: 0x560e1c395daf - test::__rust_begin_short_backtrace::h65f11a900e8cf65e [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:621:18 [INFO] [stderr] 34: 0x560e1c3954a3 - test::run_test_in_process::{{closure}}::h5e2816892ad7ac9a [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:60 [INFO] [stderr] 35: 0x560e1c3954a3 - as core::ops::function::FnOnce<()>>::call_once::h1b9c320c72d4c6ce [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stderr] 36: 0x560e1c3954a3 - std::panicking::try::do_call::hd0b24b52271709c2 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40 [INFO] [stderr] 37: 0x560e1c3954a3 - std::panicking::try::h56d1181c9703484e [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19 [INFO] [stderr] 38: 0x560e1c3954a3 - std::panic::catch_unwind::h8bd23f3ab29003f2 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14 [INFO] [stderr] 39: 0x560e1c3954a3 - test::run_test_in_process::h506184887cedf4a3 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:644:27 [INFO] [stderr] 40: 0x560e1c3954a3 - test::run_test::{{closure}}::h1877fa24be24f03e [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:567:43 [INFO] [stderr] 41: 0x560e1c35e0a3 - test::run_test::{{closure}}::hd863e669253739ef [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/test/src/lib.rs:595:41 [INFO] [stderr] 42: 0x560e1c35e0a3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7f4ddddf8d11340f [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stderr] 43: 0x560e1c362c0f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4a8b28c9e99c5cc2 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:528:17 [INFO] [stderr] 44: 0x560e1c362c0f - as core::ops::function::FnOnce<()>>::call_once::h82f1b5c530f72a07 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stderr] 45: 0x560e1c362c0f - std::panicking::try::do_call::h0064fe0f14317599 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:552:40 [INFO] [stderr] 46: 0x560e1c362c0f - std::panicking::try::h1cc6a2a343001459 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panicking.rs:516:19 [INFO] [stderr] 47: 0x560e1c362c0f - std::panic::catch_unwind::h90be06afab17593a [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/panic.rs:146:14 [INFO] [stderr] 48: 0x560e1c362c0f - std::thread::Builder::spawn_unchecked_::{{closure}}::h80bc2ad0bec94635 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/thread/mod.rs:527:30 [INFO] [stderr] 49: 0x560e1c362c0f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h27e1017014ef0506 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 50: 0x560e1c3c59b5 - as core::ops::function::FnOnce>::call_once::hdbdd1f187b9b9080 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9 [INFO] [stderr] 51: 0x560e1c3c59b5 - as core::ops::function::FnOnce>::call_once::hc7ee8cb78037b4ec [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/alloc/src/boxed.rs:2020:9 [INFO] [stderr] 52: 0x560e1c3c59b5 - std::sys::pal::unix::thread::Thread::new::thread_start::haedac03260309a72 [INFO] [stderr] at /rustc/277d06bc95c6c38a2337ccde798b2c709384bd84/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stderr] 53: 0x7f194a2bcac3 - [INFO] [stderr] 54: 0x7f194a34dbf4 - __clone [INFO] [stderr] 55: 0x0 - [INFO] [stderr] thread caused non-unwinding panic. aborting. [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/ein_ffi-2a9d1f8643dc4c89` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "0888ae8b2a11b7c96fee7f2c0dff27462f24290a64cc4ce3601a0aafd8641e6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0888ae8b2a11b7c96fee7f2c0dff27462f24290a64cc4ce3601a0aafd8641e6a", kill_on_drop: false }` [INFO] [stdout] 0888ae8b2a11b7c96fee7f2c0dff27462f24290a64cc4ce3601a0aafd8641e6a