[INFO] fetching crate ruthenian 0.0.1...
[INFO] testing ruthenian-0.0.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate ruthenian 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ruthenian 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ruthenian 0.0.1
[INFO] tweaked toml for crates.io crate ruthenian 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruthenian 0.0.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ruthenian 0.0.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59329d9e51c01c5154defd9d7476c54f336926b6ba984b3711ca66cc896d89f4
[INFO] running `Command { std: "docker" "start" "-a" "59329d9e51c01c5154defd9d7476c54f336926b6ba984b3711ca66cc896d89f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59329d9e51c01c5154defd9d7476c54f336926b6ba984b3711ca66cc896d89f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59329d9e51c01c5154defd9d7476c54f336926b6ba984b3711ca66cc896d89f4", kill_on_drop: false }`
[INFO] [stdout] 59329d9e51c01c5154defd9d7476c54f336926b6ba984b3711ca66cc896d89f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2cc6917110f03ed48df56840fddfec05b8a695cc50033b19a61b8cf1955177a
[INFO] running `Command { std: "docker" "start" "-a" "f2cc6917110f03ed48df56840fddfec05b8a695cc50033b19a61b8cf1955177a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruthenian v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::irregular_verbs::*`
[INFO] [stdout]  --> src/verb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::irregular_verbs::*;
[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 variable: `infinitive_stem`
[INFO] [stdout]   --> src/verb.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let infinitive_stem = RUTH::get_infinitive_stem(&word);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infinitive_stem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gender`
[INFO] [stdout]   --> src/verb.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         gender: &Gender,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OST_ENDINGS` is never used
[INFO] [stdout]    --> src/case_endings.rs:165:11
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub const OST_ENDINGS: CaseEndings = CaseEndings {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PREFIXES` is never used
[INFO] [stdout]  --> src/irregular_verbs.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const PREFIXES: &[&str] = &[
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IRREGULAR_STEMS` is never used
[INFO] [stdout]  --> src/irregular_verbs.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const IRREGULAR_STEMS: &[(&str, &str)] = &[
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `irregular_present_stem` is never used
[INFO] [stdout]   --> src/irregular_verbs.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn irregular_present_stem(infinitive: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "f2cc6917110f03ed48df56840fddfec05b8a695cc50033b19a61b8cf1955177a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2cc6917110f03ed48df56840fddfec05b8a695cc50033b19a61b8cf1955177a", kill_on_drop: false }`
[INFO] [stdout] f2cc6917110f03ed48df56840fddfec05b8a695cc50033b19a61b8cf1955177a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b682f08bcb79ad963fb2514df5723f42ce6485159a54e518b6de5086064516d
[INFO] running `Command { std: "docker" "start" "-a" "2b682f08bcb79ad963fb2514df5723f42ce6485159a54e518b6de5086064516d", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::irregular_verbs::*`
[INFO] [stdout]  --> src/verb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::irregular_verbs::*;
[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 variable: `infinitive_stem`
[INFO] [stdout]   --> src/verb.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let infinitive_stem = RUTH::get_infinitive_stem(&word);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infinitive_stem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gender`
[INFO] [stdout]   --> src/verb.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         gender: &Gender,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OST_ENDINGS` is never used
[INFO] [stdout]    --> src/case_endings.rs:165:11
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub const OST_ENDINGS: CaseEndings = CaseEndings {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PREFIXES` is never used
[INFO] [stdout]  --> src/irregular_verbs.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const PREFIXES: &[&str] = &[
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IRREGULAR_STEMS` is never used
[INFO] [stdout]  --> src/irregular_verbs.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const IRREGULAR_STEMS: &[(&str, &str)] = &[
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `irregular_present_stem` is never used
[INFO] [stdout]   --> src/irregular_verbs.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn irregular_present_stem(infinitive: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ruthenian v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::irregular_verbs::*`
[INFO] [stdout]  --> src/verb.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::irregular_verbs::*;
[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 variable: `infinitive_stem`
[INFO] [stdout]   --> src/verb.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let infinitive_stem = RUTH::get_infinitive_stem(&word);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infinitive_stem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gender`
[INFO] [stdout]   --> src/verb.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         gender: &Gender,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OST_ENDINGS` is never used
[INFO] [stdout]    --> src/case_endings.rs:165:11
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub const OST_ENDINGS: CaseEndings = CaseEndings {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PREFIXES` is never used
[INFO] [stdout]  --> src/irregular_verbs.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const PREFIXES: &[&str] = &[
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IRREGULAR_STEMS` is never used
[INFO] [stdout]  --> src/irregular_verbs.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const IRREGULAR_STEMS: &[(&str, &str)] = &[
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `irregular_present_stem` is never used
[INFO] [stdout]   --> src/irregular_verbs.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn irregular_present_stem(infinitive: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "2b682f08bcb79ad963fb2514df5723f42ce6485159a54e518b6de5086064516d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b682f08bcb79ad963fb2514df5723f42ce6485159a54e518b6de5086064516d", kill_on_drop: false }`
[INFO] [stdout] 2b682f08bcb79ad963fb2514df5723f42ce6485159a54e518b6de5086064516d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8e1df91cd4d019d980bf6f14419163044286b733d9e6def00ae111e783430ea
[INFO] running `Command { std: "docker" "start" "-a" "c8e1df91cd4d019d980bf6f14419163044286b733d9e6def00ae111e783430ea", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::irregular_verbs::*`
[INFO] [stderr]  --> src/verb.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::irregular_verbs::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `infinitive_stem`
[INFO] [stderr]   --> src/verb.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let infinitive_stem = RUTH::get_infinitive_stem(&word);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infinitive_stem`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gender`
[INFO] [stderr]   --> src/verb.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         gender: &Gender,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gender`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `OST_ENDINGS` is never used
[INFO] [stderr]    --> src/case_endings.rs:165:11
[INFO] [stderr]     |
[INFO] [stderr] 165 | pub const OST_ENDINGS: CaseEndings = CaseEndings {
[INFO] [stderr]     |           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PREFIXES` is never used
[INFO] [stderr]  --> src/irregular_verbs.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const PREFIXES: &[&str] = &[
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `IRREGULAR_STEMS` is never used
[INFO] [stderr]  --> src/irregular_verbs.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const IRREGULAR_STEMS: &[(&str, &str)] = &[
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `irregular_present_stem` is never used
[INFO] [stderr]   --> src/irregular_verbs.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn irregular_present_stem(infinitive: &str) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ruthenian` (lib) generated 7 warnings (run `cargo fix --lib -p ruthenian` to apply 1 suggestion)
[INFO] [stderr] warning: `ruthenian` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ruthenian-762bd0ffba37e8c9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruthenian
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8e1df91cd4d019d980bf6f14419163044286b733d9e6def00ae111e783430ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e1df91cd4d019d980bf6f14419163044286b733d9e6def00ae111e783430ea", kill_on_drop: false }`
[INFO] [stdout] c8e1df91cd4d019d980bf6f14419163044286b733d9e6def00ae111e783430ea