[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] checking rikshot/testbed against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frikshot%2Ftestbed" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rikshot/testbed on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-13/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-13/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.89 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.40 [INFO] [stderr] Downloaded serde_derive v1.0.89 [INFO] [stderr] Downloaded serde_json v1.0.39 [INFO] [stderr] Downloaded bumpalo v2.2.2 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.40 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.40 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.40 [INFO] [stderr] Downloaded wasm-bindgen v0.2.40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] abccb78a452b80dcc7d6d9ed7a322c56813ecaee7c318db8735bf549d3e124b6 [INFO] running `Command { std: "docker" "start" "-a" "abccb78a452b80dcc7d6d9ed7a322c56813ecaee7c318db8735bf549d3e124b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abccb78a452b80dcc7d6d9ed7a322c56813ecaee7c318db8735bf549d3e124b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abccb78a452b80dcc7d6d9ed7a322c56813ecaee7c318db8735bf549d3e124b6", kill_on_drop: false }` [INFO] [stdout] abccb78a452b80dcc7d6d9ed7a322c56813ecaee7c318db8735bf549d3e124b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f86c0026caa361d53455a9b9eed8914d833733422d93136e90637cc8565c53a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5f86c0026caa361d53455a9b9eed8914d833733422d93136e90637cc8565c53a", kill_on_drop: false }` [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 lazy_static v1.3.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.40 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling log v0.4.6 [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] Checking console_error_panic_hook v0.1.6 [INFO] [stderr] Checking 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] [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 `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 `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 dev [unoptimized + debuginfo] target(s) in 37.27s [INFO] running `Command { std: "docker" "inspect" "5f86c0026caa361d53455a9b9eed8914d833733422d93136e90637cc8565c53a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f86c0026caa361d53455a9b9eed8914d833733422d93136e90637cc8565c53a", kill_on_drop: false }` [INFO] [stdout] 5f86c0026caa361d53455a9b9eed8914d833733422d93136e90637cc8565c53a