[INFO] fetching crate korean_numbers 0.6.6... [INFO] checking korean_numbers-0.6.6 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate korean_numbers 0.6.6 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate korean_numbers 0.6.6 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate korean_numbers 0.6.6 [INFO] finished tweaking crates.io crate korean_numbers 0.6.6 [INFO] tweaked toml for crates.io crate korean_numbers 0.6.6 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded num-complex v0.2.4 [INFO] [stderr] Downloaded num-bigint v0.2.6 [INFO] [stderr] Downloaded num-rational v0.2.4 [INFO] [stderr] Downloaded num v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac020aad4ae4fdc9c38cfe1ddae165a9402f0f781195d9f9fab5a1415d1ab210 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ac020aad4ae4fdc9c38cfe1ddae165a9402f0f781195d9f9fab5a1415d1ab210", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac020aad4ae4fdc9c38cfe1ddae165a9402f0f781195d9f9fab5a1415d1ab210", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac020aad4ae4fdc9c38cfe1ddae165a9402f0f781195d9f9fab5a1415d1ab210", kill_on_drop: false }` [INFO] [stdout] ac020aad4ae4fdc9c38cfe1ddae165a9402f0f781195d9f9fab5a1415d1ab210 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] edfe4302955dfa3d9bad9c07b94f7d8ac0525ffa998d47b80e76ac16055273d8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "edfe4302955dfa3d9bad9c07b94f7d8ac0525ffa998d47b80e76ac16055273d8", kill_on_drop: false }` [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking korean_numbers v0.6.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:24:32 [INFO] [stdout] | [INFO] [stdout] 24 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/utilities.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | (char >= SYLLABLE_START && char <= SYLLABLE_END) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:24:32 [INFO] [stdout] | [INFO] [stdout] 24 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/utilities.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | (char >= SYLLABLE_START && char <= SYLLABLE_END) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_side_chars` [INFO] [stdout] --> src/parse.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | let mut left_side_chars: Vec = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_side_chars` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_side` [INFO] [stdout] --> src/parse.rs:169:28 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn parse_hangeul_float(left_side: Vec, right_side: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_side` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_side` [INFO] [stdout] --> src/parse.rs:169:50 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn parse_hangeul_float(left_side: Vec, right_side: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_side` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_side_chars` [INFO] [stdout] --> src/parse.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | let mut left_side_chars: Vec = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_side_chars` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_side` [INFO] [stdout] --> src/parse.rs:169:28 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn parse_hangeul_float(left_side: Vec, right_side: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_side` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_side` [INFO] [stdout] --> src/parse.rs:169:50 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn parse_hangeul_float(left_side: Vec, right_side: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_side` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parse.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | let mut output = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parse.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | let mut left_side_chars: Vec = vec![]; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Fraction` [INFO] [stdout] --> src/math.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | Fraction, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `EndingType` [INFO] [stdout] --> src/numbers.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | pub enum EndingType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `subject_particle` [INFO] [stdout] --> src/numbers.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn subject_particle(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `topic_particle` [INFO] [stdout] --> src/numbers.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn topic_particle(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `ending_type` [INFO] [stdout] --> src/numbers.rs:155:12 [INFO] [stdout] | [INFO] [stdout] 155 | pub fn ending_type(&self) -> EndingType { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_hangeul_float` [INFO] [stdout] --> src/parse.rs:169:8 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn parse_hangeul_float(left_side: Vec, right_side: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parse.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | let mut output = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parse.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | let mut left_side_chars: Vec = vec![]; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Fraction` [INFO] [stdout] --> src/math.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | Fraction, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `EndingType` [INFO] [stdout] --> src/numbers.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | pub enum EndingType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `subject_particle` [INFO] [stdout] --> src/numbers.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn subject_particle(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `topic_particle` [INFO] [stdout] --> src/numbers.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn topic_particle(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `ending_type` [INFO] [stdout] --> src/numbers.rs:155:12 [INFO] [stdout] | [INFO] [stdout] 155 | pub fn ending_type(&self) -> EndingType { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_hangeul_float` [INFO] [stdout] --> src/parse.rs:169:8 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn parse_hangeul_float(left_side: Vec, right_side: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Float` [INFO] [stdout] --> tests/test.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use num::{pow, Float, BigInt}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `subject` [INFO] [stdout] --> tests/test.rs:347:10 [INFO] [stdout] | [INFO] [stdout] 347 | for (subject, topic, c) in testcases { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic` [INFO] [stdout] --> tests/test.rs:347:19 [INFO] [stdout] | [INFO] [stdout] 347 | for (subject, topic, c) in testcases { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_topic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> tests/test.rs:347:26 [INFO] [stdout] | [INFO] [stdout] 347 | for (subject, topic, c) in testcases { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `testcases` [INFO] [stdout] --> tests/test.rs:357:9 [INFO] [stdout] | [INFO] [stdout] 357 | let testcases = vec![ [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_testcases` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `it_determines_vowels` [INFO] [stdout] --> tests/test.rs:334:4 [INFO] [stdout] | [INFO] [stdout] 334 | fn it_determines_vowels() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `math_operators` [INFO] [stdout] --> tests/test.rs:356:4 [INFO] [stdout] | [INFO] [stdout] 356 | fn math_operators() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.51s [INFO] running `Command { std: "docker" "inspect" "edfe4302955dfa3d9bad9c07b94f7d8ac0525ffa998d47b80e76ac16055273d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edfe4302955dfa3d9bad9c07b94f7d8ac0525ffa998d47b80e76ac16055273d8", kill_on_drop: false }` [INFO] [stdout] edfe4302955dfa3d9bad9c07b94f7d8ac0525ffa998d47b80e76ac16055273d8