[INFO] cloning repository https://github.com/rikshot/testbed [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rikshot/testbed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikshot%2Ftestbed", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikshot%2Ftestbed'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6571290e1305618cfcff8ef46e049e4a48d15231 [INFO] testing rikshot/testbed against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikshot%2Ftestbed" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rikshot/testbed on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-14/source/.cargo/config [INFO] started tweaking git repo https://github.com/rikshot/testbed [INFO] finished tweaking git repo https://github.com/rikshot/testbed [INFO] tweaked toml for git repo https://github.com/rikshot/testbed written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/rikshot/testbed already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--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: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33c94e49978ad86d9c14a78abf2713e7579335cdd22f9b7fb8d82c39a49d6209 [INFO] running `Command { std: "docker" "start" "-a" "33c94e49978ad86d9c14a78abf2713e7579335cdd22f9b7fb8d82c39a49d6209", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33c94e49978ad86d9c14a78abf2713e7579335cdd22f9b7fb8d82c39a49d6209", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33c94e49978ad86d9c14a78abf2713e7579335cdd22f9b7fb8d82c39a49d6209", kill_on_drop: false }` [INFO] [stdout] 33c94e49978ad86d9c14a78abf2713e7579335cdd22f9b7fb8d82c39a49d6209 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 993c3779c9e311ebf6d369e76262965e55fe5b69585fbfeda0039eabd0d85522 [INFO] running `Command { std: "docker" "start" "-a" "993c3779c9e311ebf6d369e76262965e55fe5b69585fbfeda0039eabd0d85522", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.40 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling bumpalo v2.2.2 [INFO] [stderr] Compiling wasm-bindgen v0.2.40 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.40 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.40 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.40 [INFO] [stderr] Compiling console_error_panic_hook v0.1.6 [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `total` is assigned to, but never used [INFO] [stdout] --> src/rs/mandelbrot.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut total = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_total` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Buffers`, which is not FFI-safe [INFO] [stdout] --> src/rs/mandelbrot.rs:226:14 [INFO] [stdout] | [INFO] [stdout] 226 | buffers: Buffers, [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/rs/mandelbrot.rs:53:1 [INFO] [stdout] | [INFO] [stdout] 53 | / pub struct Buffers { [INFO] [stdout] 54 | | histogram: Vec, [INFO] [stdout] 55 | | iterations: Vec, [INFO] [stdout] 56 | | fractionals: Vec, [INFO] [stdout] 57 | | pixels: Option>, [INFO] [stdout] 58 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.32s [INFO] running `Command { std: "docker" "inspect" "993c3779c9e311ebf6d369e76262965e55fe5b69585fbfeda0039eabd0d85522", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "993c3779c9e311ebf6d369e76262965e55fe5b69585fbfeda0039eabd0d85522", kill_on_drop: false }` [INFO] [stdout] 993c3779c9e311ebf6d369e76262965e55fe5b69585fbfeda0039eabd0d85522 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9d4b5abb7fe23eab64da22a17dad0c952f3ca6adb818d023927db10ab5cd0eb [INFO] running `Command { std: "docker" "start" "-a" "a9d4b5abb7fe23eab64da22a17dad0c952f3ca6adb818d023927db10ab5cd0eb", kill_on_drop: false }` [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `total` is assigned to, but never used [INFO] [stdout] --> src/rs/mandelbrot.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut total = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_total` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Buffers`, which is not FFI-safe [INFO] [stdout] --> src/rs/mandelbrot.rs:226:14 [INFO] [stdout] | [INFO] [stdout] 226 | buffers: Buffers, [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/rs/mandelbrot.rs:53:1 [INFO] [stdout] | [INFO] [stdout] 53 | / pub struct Buffers { [INFO] [stdout] 54 | | histogram: Vec, [INFO] [stdout] 55 | | iterations: Vec, [INFO] [stdout] 56 | | fractionals: Vec, [INFO] [stdout] 57 | | pixels: Option>, [INFO] [stdout] 58 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `alloc::ffi::c_str::CString::from_raw` that must be used [INFO] [stdout] --> src/rs/mandelbrot.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | CString::from_raw(raw_config); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `alloc::ffi::c_str::CString::from_raw` that must be used [INFO] [stdout] --> src/rs/mandelbrot.rs:288:13 [INFO] [stdout] | [INFO] [stdout] 288 | CString::from_raw(raw_chunk_config); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] [stderr] Executable unittests src/rs/mandelbrot.rs (/opt/rustwide/target/debug/deps/mandelbrot-d05cc7420d426fb0) [INFO] running `Command { std: "docker" "inspect" "a9d4b5abb7fe23eab64da22a17dad0c952f3ca6adb818d023927db10ab5cd0eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9d4b5abb7fe23eab64da22a17dad0c952f3ca6adb818d023927db10ab5cd0eb", kill_on_drop: false }` [INFO] [stdout] a9d4b5abb7fe23eab64da22a17dad0c952f3ca6adb818d023927db10ab5cd0eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f188993dde29b3466a611d717b9c414fb34cc113269ead3b6ff2e0c291fcfeb6 [INFO] running `Command { std: "docker" "start" "-a" "f188993dde29b3466a611d717b9c414fb34cc113269ead3b6ff2e0c291fcfeb6", kill_on_drop: false }` [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] warning: variable `total` is assigned to, but never used [INFO] [stderr] --> src/rs/mandelbrot.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | let mut total = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_total` instead [INFO] [stderr] [INFO] [stderr] warning: `extern` fn uses type `Buffers`, which is not FFI-safe [INFO] [stderr] --> src/rs/mandelbrot.rs:226:14 [INFO] [stderr] | [INFO] [stderr] 226 | buffers: Buffers, [INFO] [stderr] | ^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] note: the type is defined here [INFO] [stderr] --> src/rs/mandelbrot.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | / pub struct Buffers { [INFO] [stderr] 54 | | histogram: Vec, [INFO] [stderr] 55 | | iterations: Vec, [INFO] [stderr] 56 | | fractionals: Vec, [INFO] [stderr] 57 | | pixels: Option>, [INFO] [stderr] 58 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `alloc::ffi::c_str::CString::from_raw` that must be used [INFO] [stderr] --> src/rs/mandelbrot.rs:287:13 [INFO] [stderr] | [INFO] [stderr] 287 | CString::from_raw(raw_config); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `alloc::ffi::c_str::CString::from_raw` that must be used [INFO] [stderr] --> src/rs/mandelbrot.rs:288:13 [INFO] [stderr] | [INFO] [stderr] 288 | CString::from_raw(raw_chunk_config); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stderr] [INFO] [stderr] warning: `mandelbrot` (lib test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/rs/mandelbrot.rs (/opt/rustwide/target/debug/deps/mandelbrot-d05cc7420d426fb0) [INFO] [stdout] test tests::parse ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f188993dde29b3466a611d717b9c414fb34cc113269ead3b6ff2e0c291fcfeb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f188993dde29b3466a611d717b9c414fb34cc113269ead3b6ff2e0c291fcfeb6", kill_on_drop: false }` [INFO] [stdout] f188993dde29b3466a611d717b9c414fb34cc113269ead3b6ff2e0c291fcfeb6