[INFO] fetching crate socrates_rs 1.1.0...
[INFO] checking socrates_rs-1.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate socrates_rs 1.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate socrates_rs 1.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate socrates_rs 1.1.0
[INFO] tweaked toml for crates.io crate socrates_rs 1.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate socrates_rs 1.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding strum v0.26.3 (available: v0.27.2)
[INFO] [stderr]       Adding strum_macros v0.26.4 (available: v0.27.2)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b47249e5580211ec6696b0db1862a6496588748970748fd062ec266b453c3c0e
[INFO] running `Command { std: "docker" "start" "-a" "b47249e5580211ec6696b0db1862a6496588748970748fd062ec266b453c3c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b47249e5580211ec6696b0db1862a6496588748970748fd062ec266b453c3c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47249e5580211ec6696b0db1862a6496588748970748fd062ec266b453c3c0e", kill_on_drop: false }`
[INFO] [stdout] b47249e5580211ec6696b0db1862a6496588748970748fd062ec266b453c3c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 49550251d585d0b3b4dae83ec64c2abc3d2488c32c97e0d7395745b3b9bdc5fe
[INFO] running `Command { std: "docker" "start" "-a" "49550251d585d0b3b4dae83ec64c2abc3d2488c32c97e0d7395745b3b9bdc5fe", kill_on_drop: false }`
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking socrates_rs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `country_code` is never used
[INFO] [stdout]  --> src/generator/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait CountryIdGenerator {
[INFO] [stdout]   |           ------------------ method in this trait
[INFO] [stdout] 7 |     fn generate(&self, citizen: &Citizen) -> String;
[INFO] [stdout] 8 |     fn country_code(&self) -> country::Code;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `country_code` is never used
[INFO] [stdout]   --> src/validator/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait CountryValidator {
[INFO] [stdout]    |           ---------------- method in this trait
[INFO] [stdout] 10 |     fn validate_id(&self, id: &str) -> bool;
[INFO] [stdout] 11 |     fn country_code(&self) -> country::Code;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_luhn_10_check_digit` is never used
[INFO] [stdout]  --> src/validator/algorithms/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn compute_luhn_10_check_digit(code: &str) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VERHOEFF_INV` is never used
[INFO] [stdout]   --> src/validator/algorithms/mod.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 | const VERHOEFF_INV: [u8; 10] = [0, 4, 3, 2, 1, 5, 6, 7, 8, 9];
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_verhoeff_check_digit` is never used
[INFO] [stdout]   --> src/validator/algorithms/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn compute_verhoeff_check_digit(code: &str) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/validator/italy.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         return (standard_id[15..].parse::<String>().unwrap()) == control_letter;
[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 `socrates_rs` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/validator/italy.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         return (standard_id[15..].parse::<String>().unwrap()) == control_letter;
[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 `socrates_rs` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "49550251d585d0b3b4dae83ec64c2abc3d2488c32c97e0d7395745b3b9bdc5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49550251d585d0b3b4dae83ec64c2abc3d2488c32c97e0d7395745b3b9bdc5fe", kill_on_drop: false }`
[INFO] [stdout] 49550251d585d0b3b4dae83ec64c2abc3d2488c32c97e0d7395745b3b9bdc5fe
