[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 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikshot%2Ftestbed" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rikshot/testbed on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-12/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-12/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" "+1.55.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.40 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.40 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.40 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.40 [INFO] [stderr] Downloaded bumpalo v2.2.2 [INFO] [stderr] Downloaded wasm-bindgen v0.2.40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a761da23ad0466200774049771c92d0e97edd37b4b1d36ed7173813d4714837 [INFO] running `Command { std: "docker" "start" "-a" "1a761da23ad0466200774049771c92d0e97edd37b4b1d36ed7173813d4714837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a761da23ad0466200774049771c92d0e97edd37b4b1d36ed7173813d4714837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a761da23ad0466200774049771c92d0e97edd37b4b1d36ed7173813d4714837", kill_on_drop: false }` [INFO] [stdout] 1a761da23ad0466200774049771c92d0e97edd37b4b1d36ed7173813d4714837 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc77f65c192b61a665966b60dcd8ab24175d4e73f6c8f1be2715c822ab4f06b6 [INFO] running `Command { std: "docker" "start" "-a" "dc77f65c192b61a665966b60dcd8ab24175d4e73f6c8f1be2715c822ab4f06b6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.27 [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 bumpalo v2.2.2 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling wasm-bindgen v0.2.40 [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 25.30s [INFO] running `Command { std: "docker" "inspect" "dc77f65c192b61a665966b60dcd8ab24175d4e73f6c8f1be2715c822ab4f06b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc77f65c192b61a665966b60dcd8ab24175d4e73f6c8f1be2715c822ab4f06b6", kill_on_drop: false }` [INFO] [stdout] dc77f65c192b61a665966b60dcd8ab24175d4e73f6c8f1be2715c822ab4f06b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f66735e119cbc94274ffc2455c984646f4fa687e72573633ba6d30c6df9af88 [INFO] running `Command { std: "docker" "start" "-a" "2f66735e119cbc94274ffc2455c984646f4fa687e72573633ba6d30c6df9af88", 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `Command { std: "docker" "inspect" "2f66735e119cbc94274ffc2455c984646f4fa687e72573633ba6d30c6df9af88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f66735e119cbc94274ffc2455c984646f4fa687e72573633ba6d30c6df9af88", kill_on_drop: false }` [INFO] [stdout] 2f66735e119cbc94274ffc2455c984646f4fa687e72573633ba6d30c6df9af88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dbd85c88dd869113b29a6144268e397f69cee133c24dbcb90855195d49314184 [INFO] running `Command { std: "docker" "start" "-a" "dbd85c88dd869113b29a6144268e397f69cee133c24dbcb90855195d49314184", kill_on_drop: false }` [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: `mandelbrot` (lib test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mandelbrot-61709e950c021c41) [INFO] [stdout] [INFO] [stdout] running 1 test [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 0.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dbd85c88dd869113b29a6144268e397f69cee133c24dbcb90855195d49314184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbd85c88dd869113b29a6144268e397f69cee133c24dbcb90855195d49314184", kill_on_drop: false }` [INFO] [stdout] dbd85c88dd869113b29a6144268e397f69cee133c24dbcb90855195d49314184