[INFO] cloning repository https://github.com/maithanhduyan/face_recognition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maithanhduyan/face_recognition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaithanhduyan%2Fface_recognition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaithanhduyan%2Fface_recognition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abc73bcc291478aa59aeffc3dd779a7c657b589c
[INFO] checking maithanhduyan/face_recognition against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaithanhduyan%2Fface_recognition" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maithanhduyan/face_recognition
[INFO] finished tweaking git repo https://github.com/maithanhduyan/face_recognition
[INFO] tweaked toml for git repo https://github.com/maithanhduyan/face_recognition written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maithanhduyan/face_recognition on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maithanhduyan/face_recognition 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f5976c5be685db10cc4ccd58b8864c1f0a432d7b86a09597e19e6fba3976463
[INFO] running `Command { std: "docker" "start" "-a" "6f5976c5be685db10cc4ccd58b8864c1f0a432d7b86a09597e19e6fba3976463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5976c5be685db10cc4ccd58b8864c1f0a432d7b86a09597e19e6fba3976463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5976c5be685db10cc4ccd58b8864c1f0a432d7b86a09597e19e6fba3976463", kill_on_drop: false }`
[INFO] [stdout] 6f5976c5be685db10cc4ccd58b8864c1f0a432d7b86a09597e19e6fba3976463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31bcab1b62fcbe7dba8a4dfcff82f1e42477eceb5b7a31e9cae7f1285dc3af71
[INFO] running `Command { std: "docker" "start" "-a" "31bcab1b62fcbe7dba8a4dfcff82f1e42477eceb5b7a31e9cae7f1285dc3af71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling pyo3-build-config v0.22.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.6
[INFO] [stderr]    Compiling pyo3-ffi v0.22.6
[INFO] [stderr]    Compiling pyo3 v0.22.6
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling pyo3-macros v0.22.6
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking numpy v0.22.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking face_recognition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn add_numbers(a: f64, b: f64) -> f64 {
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:16:68
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn calculate_distance(encoding1: Vec<f64>, encoding2: Vec<f64>) -> f64 {
[INFO] [stdout]    |                                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<f64>, Infallible>
[INFO] [stdout]   --> src/lib.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | ) -> Vec<f64> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(Option<String>, f64, usize), Infallible>
[INFO] [stdout]   --> src/lib.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | ) -> (Option<String>, f64, usize) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<f64>, Infallible>
[INFO] [stdout]   --> src/lib.rs:81:50
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn normalize_encoding(mut encoding: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn get_average(&self) -> f64 {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:162:58
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn recognize_face(&self, face_encoding: Vec<f64>) -> Option<String> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:180:40
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn get_known_faces_count(&self) -> usize {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn get_all_names(&self) -> Vec<String> {
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:211:32
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn get_threshold(&self) -> f64 {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:219:33
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn get_face_count(&self) -> usize {
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:223:82
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn add_face_vector(&mut self, id: String, name: String, vector: Vec<f64>) -> bool {
[INFO] [stdout]     |                                                                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<(String, String, f64)>, Infallible>
[INFO] [stdout]    --> src/lib.rs:228:54
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn search_face(&self, query_vector: Vec<f64>) -> Option<(String, String, f64)> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:247:57
[INFO] [stdout]     |
[INFO] [stdout] 247 |     fn load_from_file(&mut self, _file_path: String) -> bool {
[INFO] [stdout]     |                                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:253:51
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn save_to_file(&self, _file_path: String) -> bool {
[INFO] [stdout]     |                                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn add_numbers(a: f64, b: f64) -> f64 {
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `face_recognition` (lib) due to 15 previous errors; 1 warning emitted
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:16:68
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn calculate_distance(encoding1: Vec<f64>, encoding2: Vec<f64>) -> f64 {
[INFO] [stdout]    |                                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<f64>, Infallible>
[INFO] [stdout]   --> src/lib.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | ) -> Vec<f64> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(Option<String>, f64, usize), Infallible>
[INFO] [stdout]   --> src/lib.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | ) -> (Option<String>, f64, usize) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<f64>, Infallible>
[INFO] [stdout]   --> src/lib.rs:81:50
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn normalize_encoding(mut encoding: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn get_average(&self) -> f64 {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:162:58
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn recognize_face(&self, face_encoding: Vec<f64>) -> Option<String> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:180:40
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn get_known_faces_count(&self) -> usize {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]    --> src/lib.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn get_all_names(&self) -> Vec<String> {
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:211:32
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn get_threshold(&self) -> f64 {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:219:33
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn get_face_count(&self) -> usize {
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:223:82
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn add_face_vector(&mut self, id: String, name: String, vector: Vec<f64>) -> bool {
[INFO] [stdout]     |                                                                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<(String, String, f64)>, Infallible>
[INFO] [stdout]    --> src/lib.rs:228:54
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn search_face(&self, query_vector: Vec<f64>) -> Option<(String, String, f64)> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:247:57
[INFO] [stdout]     |
[INFO] [stdout] 247 |     fn load_from_file(&mut self, _file_path: String) -> bool {
[INFO] [stdout]     |                                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:253:51
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn save_to_file(&self, _file_path: String) -> bool {
[INFO] [stdout]     |                                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `face_recognition` (lib test) due to 15 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "31bcab1b62fcbe7dba8a4dfcff82f1e42477eceb5b7a31e9cae7f1285dc3af71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31bcab1b62fcbe7dba8a4dfcff82f1e42477eceb5b7a31e9cae7f1285dc3af71", kill_on_drop: false }`
[INFO] [stdout] 31bcab1b62fcbe7dba8a4dfcff82f1e42477eceb5b7a31e9cae7f1285dc3af71
