[INFO] cloning repository https://github.com/Shunxu-H/oak-experiment [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shunxu-H/oak-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShunxu-H%2Foak-experiment", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShunxu-H%2Foak-experiment'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2348066134a201162422dcaa4e9e1322ebb428ef [INFO] checking Shunxu-H/oak-experiment/2348066134a201162422dcaa4e9e1322ebb428ef against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShunxu-H%2Foak-experiment" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Shunxu-H/oak-experiment on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/Shunxu-H/oak-experiment [INFO] finished tweaking git repo https://github.com/Shunxu-H/oak-experiment [INFO] tweaked toml for git repo https://github.com/Shunxu-H/oak-experiment written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Shunxu-H/oak-experiment already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/oak_functions_containers_app/Cargo.toml: file `/workspace/builds/worker-6-tc1/source/oak_functions_containers_app/src/main.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `oak_functions_containers_app` [INFO] [stderr] * `bin` target `oak_functions_containers_insecure_app` [INFO] [stderr] Updating git repository `https://github.com/rust-vsock/tokio-vsock` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded coset v0.3.7 [INFO] [stderr] Downloaded svgbobdoc v0.3.0 [INFO] [stderr] Downloaded rlsf v0.2.1 [INFO] [stderr] Downloaded flagset v0.4.4 [INFO] [stderr] Downloaded command-fds v0.3.0 [INFO] [stderr] Downloaded snafu-derive v0.8.0 [INFO] [stderr] Downloaded wasmtime-asm-macros v18.0.4 [INFO] [stderr] Downloaded wasmtime-wmemcheck v18.0.4 [INFO] [stderr] Downloaded wasmtime-versioned-export-macros v18.0.4 [INFO] [stderr] Downloaded snafu v0.8.0 [INFO] [stderr] Downloaded criterion-macro v0.4.0 [INFO] [stderr] Downloaded vsock v0.5.0 [INFO] [stderr] Downloaded wasmtime-cache v18.0.4 [INFO] [stderr] Downloaded cranelift-frontend v0.105.4 [INFO] [stderr] Downloaded netlink-proto v0.11.2 [INFO] [stderr] Downloaded cranelift-native v0.105.4 [INFO] [stderr] Downloaded oci-spec v0.6.7 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.105.4 [INFO] [stderr] Downloaded cranelift-isle v0.105.4 [INFO] [stderr] Downloaded wasmtime-cranelift v18.0.4 [INFO] [stderr] Downloaded cranelift-entity v0.105.4 [INFO] [stderr] Downloaded wasmtime-runtime v18.0.4 [INFO] [stderr] Downloaded wasmtime-environ v18.0.4 [INFO] [stderr] Downloaded cranelift-wasm v0.105.4 [INFO] [stderr] Downloaded command-group v5.0.1 [INFO] [stderr] Downloaded wasmtime-wit-bindgen v18.0.4 [INFO] [stderr] Downloaded cranelift-bforest v0.105.4 [INFO] [stderr] Downloaded wasmtime-types v18.0.4 [INFO] [stderr] Downloaded wasmtime v18.0.4 [INFO] [stderr] Downloaded wasmtime-fiber v18.0.4 [INFO] [stderr] Downloaded wasmtime-component-util v18.0.4 [INFO] [stderr] Downloaded wasmtime-component-macro v18.0.4 [INFO] [stderr] Downloaded cranelift-codegen-shared v0.105.4 [INFO] [stderr] Downloaded cranelift-control v0.105.4 [INFO] [stderr] Downloaded wasmtime-cranelift-shared v18.0.4 [INFO] [stderr] Downloaded wasmtime-jit-icache-coherence v18.0.4 [INFO] [stderr] Downloaded bmrng v0.5.2 [INFO] [stderr] Downloaded cranelift-codegen v0.105.4 [INFO] [stderr] Downloaded hpke v0.11.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90fefef5484fa6e4a197afcf47634605813b60dcf885d7d9b671da6e85e9f8b3 [INFO] running `Command { std: "docker" "start" "-a" "90fefef5484fa6e4a197afcf47634605813b60dcf885d7d9b671da6e85e9f8b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90fefef5484fa6e4a197afcf47634605813b60dcf885d7d9b671da6e85e9f8b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90fefef5484fa6e4a197afcf47634605813b60dcf885d7d9b671da6e85e9f8b3", kill_on_drop: false }` [INFO] [stdout] 90fefef5484fa6e4a197afcf47634605813b60dcf885d7d9b671da6e85e9f8b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9ba6c7dd8de5f3b70db40d293f475c2181af9e6770a42b2397db9a36eb6965e [INFO] running `Command { std: "docker" "start" "-a" "d9ba6c7dd8de5f3b70db40d293f475c2181af9e6770a42b2397db9a36eb6965e", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/oak_functions_containers_app/Cargo.toml: file `/opt/rustwide/workdir/oak_functions_containers_app/src/main.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `oak_functions_containers_app` [INFO] [stderr] * `bin` target `oak_functions_containers_insecure_app` [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling anyhow v1.0.79 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking bytes v1.6.1 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling prettyplease v0.2.16 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling linux-raw-sys v0.4.12 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling fastrand v2.0.1 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling ahash v0.8.7 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking allocator-api2 v0.2.16 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling async-trait v0.1.77 [INFO] [stderr] Checking const-oid v0.9.6 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling indexmap v2.1.0 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking base64ct v1.6.0 [INFO] [stderr] Checking flagset v0.4.4 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Checking base16ct v0.2.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling semver v1.0.21 [INFO] [stderr] Checking pem-rfc7468 v0.7.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling petgraph v0.6.4 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling jobserver v0.1.31 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking ff v0.13.0 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking group v0.13.0 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling platforms v3.3.0 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling tempfile v3.10.1 [INFO] [stderr] Compiling curve25519-dalek v4.1.1 [INFO] [stderr] Checking rustls-pki-types v1.3.1 [INFO] [stderr] Checking tower-layer v0.3.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking smallvec v1.12.0 [INFO] [stderr] Compiling axum-core v0.3.4 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling rustls v0.22.4 [INFO] [stderr] Checking clap_builder v4.4.17 [INFO] [stderr] Compiling axum v0.6.20 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking rustls-pemfile v2.1.1 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking sync_wrapper v0.1.2 [INFO] [stderr] Checking matchit v0.7.3 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking rustls-native-certs v0.7.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Compiling num-bigint-dig v0.8.4 [INFO] [stderr] Checking time-core v0.1.2 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Checking spinning_top v0.3.0 [INFO] [stderr] Checking urlencoding v2.1.3 [INFO] [stderr] Checking ordered-float v4.2.0 [INFO] [stderr] Compiling ring v0.17.7 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Checking oak_core v0.1.0 (/opt/rustwide/workdir/oak_core) [INFO] [stderr] Compiling pkg-config v0.3.28 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Checking oak_channel v0.1.0 (/opt/rustwide/workdir/oak_channel) [INFO] [stderr] Checking ubyte v0.10.4 [INFO] [stderr] Checking crossbeam-channel v0.5.11 [INFO] [stderr] Compiling target-lexicon v0.12.14 [INFO] [stderr] Compiling cranelift-isle v0.105.4 [INFO] [stderr] Compiling cranelift-codegen-shared v0.105.4 [INFO] [stderr] Compiling cranelift-codegen-meta v0.105.4 [INFO] [stderr] Checking portpicker v0.1.1 [INFO] [stderr] Checking port_check v0.1.5 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking slice-group-by v0.3.1 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking arbitrary v1.3.2 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling zstd-sys v2.0.11+zstd.1.5.6 [INFO] [stderr] Checking bumpalo v3.14.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling zstd-safe v5.0.2+zstd.1.5.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking wasmtime-asm-macros v18.0.4 [INFO] [stderr] Checking cranelift-control v0.105.4 [INFO] [stderr] Checking rayon v1.8.1 [INFO] [stderr] Compiling wasmtime-cache v18.0.4 [INFO] [stderr] Compiling procfs v0.16.0 [INFO] [stderr] Checking leb128 v0.2.5 [INFO] [stderr] Checking command-group v5.0.1 [INFO] [stderr] Checking directories-next v2.0.0 [INFO] [stderr] Checking wasm-encoder v0.41.2 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking wasmtime-wmemcheck v18.0.4 [INFO] [stderr] Checking sptr v0.3.2 [INFO] [stderr] Checking indexmap-nostd v0.4.0 [INFO] [stderr] Checking opentelemetry-semantic-conventions v0.14.0 [INFO] [stderr] Checking wasmi_core v0.13.0 [INFO] [stderr] Checking wasmtime-jit-icache-coherence v18.0.4 [INFO] [stderr] Checking bit_field v0.10.2 [INFO] [stderr] Checking vsock v0.5.0 [INFO] [stderr] Checking wasmparser-nostd v0.100.1 [INFO] [stderr] Checking volatile v0.4.6 [INFO] [stderr] Checking wasmi_arena v0.4.1 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.90 [INFO] [stderr] Checking x86_64 v0.14.11 [INFO] [stderr] Compiling tikv-jemalloc-sys v0.5.4+5.3.0-patched [INFO] [stderr] Compiling cpp_demangle v0.4.3 [INFO] [stderr] Checking uuid v1.7.0 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking procfs-core v0.16.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/x86_64-0.14.11/src/addr.rs:382:51 [INFO] [stdout] | [INFO] [stdout] 382 | fn steps_between(start: &Self, end: &Self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ expected `(usize, Option)`, found `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> (usize, Option)` [INFO] [stdout] found signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> Option` [INFO] [stdout] help: change the output type to match the trait [INFO] [stdout] | [INFO] [stdout] 382 | fn steps_between(start: &Self, end: &Self) -> (usize, Option) { [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking debugid v0.8.0 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/x86_64-0.14.11/src/structures/paging/page.rs:288:51 [INFO] [stdout] | [INFO] [stdout] 288 | fn steps_between(start: &Self, end: &Self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ expected `(usize, Option)`, found `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&Page<_>, &Page<_>) -> (usize, Option)` [INFO] [stdout] found signature `fn(&Page<_>, &Page<_>) -> Option` [INFO] [stdout] help: change the output type to match the trait [INFO] [stdout] | [INFO] [stdout] 288 | fn steps_between(start: &Self, end: &Self) -> (usize, Option) { [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling findshlibs v0.10.2 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking memmap2 v0.9.4 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking bytemuck v1.14.3 [INFO] [stderr] Compiling symbolic-demangle v12.8.0 [INFO] [stderr] Checking which v5.0.0 [INFO] [stderr] Checking memfd v0.6.4 [INFO] [stderr] Checking is-terminal v0.4.10 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.90 [INFO] [stderr] Checking rgb v0.8.37 [INFO] [stderr] Checking num-format v0.4.4 [INFO] [stderr] Checking symbolic-common v12.8.0 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stdout] For more information about this error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not compile `x86_64` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "d9ba6c7dd8de5f3b70db40d293f475c2181af9e6770a42b2397db9a36eb6965e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9ba6c7dd8de5f3b70db40d293f475c2181af9e6770a42b2397db9a36eb6965e", kill_on_drop: false }` [INFO] [stdout] d9ba6c7dd8de5f3b70db40d293f475c2181af9e6770a42b2397db9a36eb6965e