[INFO] cloning repository https://github.com/codeschris/recommendation_system [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codeschris/recommendation_system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeschris%2Frecommendation_system", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeschris%2Frecommendation_system'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e73df4ae756edeb4d0f965e6fb82645a6a9f7f69 [INFO] checking codeschris/recommendation_system against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeschris%2Frecommendation_system" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/codeschris/recommendation_system [INFO] finished tweaking git repo https://github.com/codeschris/recommendation_system [INFO] tweaked toml for git repo https://github.com/codeschris/recommendation_system written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/codeschris/recommendation_system on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/codeschris/recommendation_system 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.12 [INFO] [stderr] Downloaded ic0 v0.18.11 [INFO] [stderr] Downloaded windows-targets v0.52.0 [INFO] [stderr] Downloaded serde_derive v1.0.193 [INFO] [stderr] Downloaded itoa v1.0.9 [INFO] [stderr] Downloaded cfg-if v1.0.0 [INFO] [stderr] Downloaded crypto-common v0.1.6 [INFO] [stderr] Downloaded serde_tokenstream v0.1.7 [INFO] [stderr] Downloaded block-buffer v0.10.4 [INFO] [stderr] Downloaded cpufeatures v0.2.11 [INFO] [stderr] Downloaded typenum v1.17.0 [INFO] [stderr] Downloaded pretty v0.10.0 [INFO] [stderr] Downloaded ic-cdk v0.7.4 [INFO] [stderr] Downloaded syn v2.0.39 [INFO] [stderr] Downloaded is-terminal v0.4.9 [INFO] [stderr] Downloaded either v1.9.0 [INFO] [stderr] Downloaded scopeguard v1.2.0 [INFO] [stderr] Downloaded indexmap v2.1.0 [INFO] [stderr] Downloaded hashbrown v0.14.3 [INFO] [stderr] Downloaded slab v0.4.9 [INFO] [stderr] Downloaded winapi v0.3.9 [INFO] [stderr] Downloaded candid_derive v0.6.4 [INFO] [stderr] 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v0.48.5 [INFO] [stderr] Downloaded futures-channel v0.3.29 [INFO] [stderr] Downloaded futures-core v0.3.29 [INFO] [stderr] Downloaded futures-io v0.3.29 [INFO] [stderr] Downloaded futures-macro v0.3.29 [INFO] [stderr] Downloaded futures-task v0.3.29 [INFO] [stderr] Downloaded pin-project-lite v0.2.13 [INFO] [stderr] Downloaded binread_derive v2.1.0 [INFO] [stderr] Downloaded byteorder v1.5.0 [INFO] [stderr] Downloaded regex-automata v0.4.3 [INFO] [stderr] Downloaded winapi-util v0.1.6 [INFO] [stderr] Downloaded termcolor v1.4.0 [INFO] [stderr] Downloaded unicode-width v0.1.11 [INFO] [stderr] Downloaded crc32fast v1.3.2 [INFO] [stderr] Downloaded data-encoding v2.5.0 [INFO] [stderr] Downloaded hex v0.4.3 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.52.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.52.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.52.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.48.5 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.5 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.48.5 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.52.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.52.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.5 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.5 [INFO] [stderr] Downloaded ascii-canvas v3.0.0 [INFO] [stderr] Downloaded bit-vec v0.6.3 [INFO] [stderr] Downloaded bit-set v0.5.3 [INFO] [stderr] Downloaded log v0.4.20 [INFO] [stderr] Downloaded ena v0.14.2 [INFO] [stderr] Downloaded hermit-abi v0.3.3 [INFO] [stderr] Downloaded errno v0.3.8 [INFO] [stderr] Downloaded num_enum_derive v0.6.1 [INFO] [stderr] Downloaded num_enum v0.6.1 [INFO] [stderr] Downloaded pretty v0.12.3 [INFO] [stderr] Downloaded psm v0.1.21 [INFO] [stderr] Downloaded stacker v0.1.15 [INFO] [stderr] Downloaded ic-cdk-macros v0.8.1 [INFO] [stderr] Downloaded ic0 v0.21.1 [INFO] [stderr] Downloaded futures-sink v0.3.29 [INFO] [stderr] Downloaded codespan-reporting v0.11.1 [INFO] [stderr] Downloaded regex-syntax v0.6.29 [INFO] [stderr] Downloaded candid_derive v0.5.0 [INFO] [stderr] Downloaded memchr v2.6.4 [INFO] [stderr] Downloaded winnow v0.5.24 [INFO] [stderr] Downloaded toml_edit v0.19.15 [INFO] [stderr] Downloaded smallvec v1.11.2 [INFO] [stderr] Downloaded parking_lot v0.12.1 [INFO] [stderr] Downloaded wasi v0.11.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded getrandom v0.2.11 [INFO] [stderr] Downloaded redox_syscall v0.4.1 [INFO] [stderr] Downloaded term v0.7.0 [INFO] [stderr] Downloaded unicode-xid v0.2.4 [INFO] [stderr] Downloaded once_cell v1.18.0 [INFO] [stderr] Downloaded fixedbitset v0.4.2 [INFO] [stderr] Downloaded lock_api v0.4.11 [INFO] [stderr] Downloaded parking_lot_core v0.9.9 [INFO] [stderr] Downloaded linux-raw-sys v0.4.12 [INFO] [stderr] Downloaded siphasher v0.3.11 [INFO] [stderr] Downloaded phf_shared v0.10.0 [INFO] [stderr] Downloaded precomputed-hash v0.1.1 [INFO] [stderr] Downloaded string_cache v0.8.7 [INFO] [stderr] Downloaded bitflags v2.4.1 [INFO] [stderr] 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[stderr] Downloaded num_enum_derive v0.5.11 [INFO] [stderr] Downloaded num_enum v0.5.11 [INFO] [stderr] Downloaded paste v1.0.14 [INFO] [stderr] Downloaded typed-arena v2.0.2 [INFO] [stderr] Downloaded libc v0.2.150 [INFO] [stderr] Downloaded sha2 v0.10.8 [INFO] [stderr] Downloaded digest v0.10.7 [INFO] [stderr] Downloaded thiserror v1.0.50 [INFO] [stderr] Downloaded version_check v0.9.4 [INFO] [stderr] Downloaded slotmap v1.0.7 [INFO] [stderr] Downloaded ic-cdk-timers v0.1.2 [INFO] [stderr] Downloaded ic-stable-structures v0.5.6 [INFO] [stderr] Downloaded serde_json v1.0.108 [INFO] [stderr] Downloaded generic-array v0.14.7 [INFO] [stderr] Downloaded thiserror-impl v1.0.50 [INFO] [stderr] Downloaded ic-cdk-macros v0.6.10 [INFO] [stderr] Downloaded serde_bytes v0.11.12 [INFO] [stderr] Downloaded proc-macro2 v1.0.70 [INFO] [stderr] Downloaded ryu v1.0.15 [INFO] [stderr] Downloaded serde v1.0.193 [INFO] [stderr] Downloaded quote v1.0.33 [INFO] [stderr] Downloaded windows-sys v0.52.0 [INFO] [stderr] Downloaded windows-sys v0.48.0 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.4.0 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.4.0 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c698535117e63c1ed0c64b76a6a7a02ebceec812935bfb74532b76f6a7246f98 [INFO] running `Command { std: "docker" "start" "-a" "c698535117e63c1ed0c64b76a6a7a02ebceec812935bfb74532b76f6a7246f98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c698535117e63c1ed0c64b76a6a7a02ebceec812935bfb74532b76f6a7246f98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c698535117e63c1ed0c64b76a6a7a02ebceec812935bfb74532b76f6a7246f98", kill_on_drop: false }` [INFO] [stdout] c698535117e63c1ed0c64b76a6a7a02ebceec812935bfb74532b76f6a7246f98 [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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e62356335311e28e79f6f8fbcba3b3c3d32d520dc79ab4ed2ed1c52c1d3ec09d [INFO] running `Command { std: "docker" "start" "-a" "e62356335311e28e79f6f8fbcba3b3c3d32d520dc79ab4ed2ed1c52c1d3ec09d", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling winnow v0.5.24 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling smallvec v1.11.2 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling rustix v0.38.26 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling indexmap v2.1.0 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling linux-raw-sys v0.4.12 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling bitflags v2.4.1 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling typed-arena v2.0.2 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling unicode-width v0.1.11 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling termcolor v1.4.0 [INFO] [stderr] Compiling petgraph v0.6.4 [INFO] [stderr] Compiling is-terminal v0.4.9 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling cpufeatures v0.2.11 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling codespan-reporting v0.11.1 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling data-encoding v2.5.0 [INFO] [stderr] Compiling leb128 v0.2.5 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling candid v0.9.11 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling pretty v0.10.0 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling pretty v0.12.3 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking ic0 v0.18.11 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking ic0 v0.21.1 [INFO] [stderr] Checking ic-stable-structures v0.5.6 [INFO] [stderr] Compiling psm v0.1.21 [INFO] [stderr] Compiling stacker v0.1.15 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling lalrpop-util v0.19.12 [INFO] [stderr] Compiling lalrpop v0.19.12 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling num_enum_derive v0.6.1 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling candid_derive v0.6.4 [INFO] [stderr] Compiling binread_derive v2.1.0 [INFO] [stderr] Compiling logos-derive v0.12.1 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Compiling candid_derive v0.5.0 [INFO] [stderr] Compiling num_enum v0.6.1 [INFO] [stderr] Compiling num_enum v0.5.11 [INFO] [stderr] Compiling binread v2.2.0 [INFO] [stderr] Compiling logos v0.12.1 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking serde_bytes v0.11.12 [INFO] [stderr] Compiling serde_tokenstream v0.1.7 [INFO] [stderr] Compiling candid v0.8.4 [INFO] [stderr] Compiling ic-cdk-macros v0.8.1 [INFO] [stderr] Checking ic-cdk v0.11.3 [INFO] [stderr] Compiling ic-cdk-macros v0.6.10 [INFO] [stderr] Checking ic-cdk v0.7.4 [INFO] [stderr] Checking ic-cdk-timers v0.1.2 [INFO] [stderr] Checking recommendation_system_backend v0.1.0 (/opt/rustwide/workdir/src/recommendation_system_backend) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/recommendation_system_backend/src/lib.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | fn to_bytes(&self) -> std::borrow::Cow<[u8]> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 58 | fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/recommendation_system_backend/src/lib.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | fn to_bytes(&self) -> std::borrow::Cow<[u8]> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 74 | fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/recommendation_system_backend/src/lib.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 91 | fn to_bytes(&self) -> std::borrow::Cow<[u8]> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 91 | fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/recommendation_system_backend/src/lib.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | fn to_bytes(&self) -> std::borrow::Cow<[u8]> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 108 | fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/recommendation_system_backend/src/lib.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | fn to_bytes(&self) -> std::borrow::Cow<[u8]> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 58 | fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/recommendation_system_backend/src/lib.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | fn to_bytes(&self) -> std::borrow::Cow<[u8]> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 74 | fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/recommendation_system_backend/src/lib.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 91 | fn to_bytes(&self) -> std::borrow::Cow<[u8]> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 91 | fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/recommendation_system_backend/src/lib.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | fn to_bytes(&self) -> std::borrow::Cow<[u8]> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 108 | fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.65s [INFO] running `Command { std: "docker" "inspect" "e62356335311e28e79f6f8fbcba3b3c3d32d520dc79ab4ed2ed1c52c1d3ec09d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e62356335311e28e79f6f8fbcba3b3c3d32d520dc79ab4ed2ed1c52c1d3ec09d", kill_on_drop: false }` [INFO] [stdout] e62356335311e28e79f6f8fbcba3b3c3d32d520dc79ab4ed2ed1c52c1d3ec09d