[INFO] fetching crate sudachiclone 0.2.1... [INFO] checking sudachiclone-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate sudachiclone 0.2.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate sudachiclone 0.2.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sudachiclone 0.2.1 [INFO] finished tweaking crates.io crate sudachiclone 0.2.1 [INFO] tweaked toml for crates.io crate sudachiclone 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate sudachiclone 0.2.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84e5bf6140b15d7469c10e1f066b6a128de1a1ac20f69edede680e5464bb77a2 [INFO] running `Command { std: "docker" "start" "-a" "84e5bf6140b15d7469c10e1f066b6a128de1a1ac20f69edede680e5464bb77a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84e5bf6140b15d7469c10e1f066b6a128de1a1ac20f69edede680e5464bb77a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84e5bf6140b15d7469c10e1f066b6a128de1a1ac20f69edede680e5464bb77a2", kill_on_drop: false }` [INFO] [stdout] 84e5bf6140b15d7469c10e1f066b6a128de1a1ac20f69edede680e5464bb77a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d79de10a64b933db6d55e5e2cf0a563a3a57fe377bca714852af451cce85838e [INFO] running `Command { std: "docker" "start" "-a" "d79de10a64b933db6d55e5e2cf0a563a3a57fe377bca714852af451cce85838e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking symlink v0.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking thiserror v1.0.9 [INFO] [stderr] Checking bstr v0.2.9 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking csv v1.1.2 [INFO] [stderr] Checking sudachiclone v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/dictionary_lib/word_id_table.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | self.bytes[(offset + i * 4)], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - self.bytes[(offset + i * 4)], [INFO] [stdout] 22 + self.bytes[offset + i * 4], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/dictionary_lib/word_id_table.rs:23:20 [INFO] [stdout] | [INFO] [stdout] 23 | self.bytes[(offset + i * 4 + 1)], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 23 - self.bytes[(offset + i * 4 + 1)], [INFO] [stdout] 23 + self.bytes[offset + i * 4 + 1], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/dictionary_lib/word_id_table.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | self.bytes[(offset + i * 4 + 2)], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 24 - self.bytes[(offset + i * 4 + 2)], [INFO] [stdout] 24 + self.bytes[offset + i * 4 + 2], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/dictionary_lib/word_id_table.rs:25:20 [INFO] [stdout] | [INFO] [stdout] 25 | self.bytes[(offset + i * 4 + 3)], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - self.bytes[(offset + i * 4 + 3)], [INFO] [stdout] 25 + self.bytes[offset + i * 4 + 3], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/dictionary_lib/word_id_table.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | self.bytes[(offset + i * 4)], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - self.bytes[(offset + i * 4)], [INFO] [stdout] 22 + self.bytes[offset + i * 4], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/dictionary_lib/word_id_table.rs:23:20 [INFO] [stdout] | [INFO] [stdout] 23 | self.bytes[(offset + i * 4 + 1)], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 23 - self.bytes[(offset + i * 4 + 1)], [INFO] [stdout] 23 + self.bytes[offset + i * 4 + 1], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/dictionary_lib/word_id_table.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | self.bytes[(offset + i * 4 + 2)], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 24 - self.bytes[(offset + i * 4 + 2)], [INFO] [stdout] 24 + self.bytes[offset + i * 4 + 2], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/dictionary_lib/word_id_table.rs:25:20 [INFO] [stdout] | [INFO] [stdout] 25 | self.bytes[(offset + i * 4 + 3)], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - self.bytes[(offset + i * 4 + 3)], [INFO] [stdout] 25 + self.bytes[offset + i * 4 + 3], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/tokenizer.rs:89:33 [INFO] [stdout] | [INFO] [stdout] 89 | process_oov(oov_plugin.deref(), input, i, &mut has_words, &mut lattice); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `OovProviderPlugin` does not implement `Deref`, so calling `deref` on `&OovProviderPlugin` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 89 - process_oov(oov_plugin.deref(), input, i, &mut has_words, &mut lattice); [INFO] [stdout] 89 + process_oov(oov_plugin, input, i, &mut has_words, &mut lattice); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `OovProviderPlugin`, implement `Clone` for it [INFO] [stdout] --> src/plugin/oov_provider_plugin.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 + #[derive(Clone)] [INFO] [stdout] 14 | pub enum OovProviderPlugin { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/tokenizer.rs:94:33 [INFO] [stdout] | [INFO] [stdout] 94 | process_oov(oov_plugin.deref(), input, i, &mut has_words, &mut lattice); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `OovProviderPlugin` does not implement `Deref`, so calling `deref` on `&OovProviderPlugin` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 94 - process_oov(oov_plugin.deref(), input, i, &mut has_words, &mut lattice); [INFO] [stdout] 94 + process_oov(oov_plugin, input, i, &mut has_words, &mut lattice); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `OovProviderPlugin`, implement `Clone` for it [INFO] [stdout] --> src/plugin/oov_provider_plugin.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 + #[derive(Clone)] [INFO] [stdout] 14 | pub enum OovProviderPlugin { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/tokenizer.rs:98:16 [INFO] [stdout] | [INFO] [stdout] 98 | panic!(format!("there is no morpheme at {}", i)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 98 - panic!(format!("there is no morpheme at {}", i)); [INFO] [stdout] 98 + panic!("there is no morpheme at {}", i); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/tokenizer.rs:89:33 [INFO] [stdout] | [INFO] [stdout] 89 | process_oov(oov_plugin.deref(), input, i, &mut has_words, &mut lattice); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `OovProviderPlugin` does not implement `Deref`, so calling `deref` on `&OovProviderPlugin` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 89 - process_oov(oov_plugin.deref(), input, i, &mut has_words, &mut lattice); [INFO] [stdout] 89 + process_oov(oov_plugin, input, i, &mut has_words, &mut lattice); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `OovProviderPlugin`, implement `Clone` for it [INFO] [stdout] --> src/plugin/oov_provider_plugin.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 + #[derive(Clone)] [INFO] [stdout] 14 | pub enum OovProviderPlugin { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/tokenizer.rs:94:33 [INFO] [stdout] | [INFO] [stdout] 94 | process_oov(oov_plugin.deref(), input, i, &mut has_words, &mut lattice); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `OovProviderPlugin` does not implement `Deref`, so calling `deref` on `&OovProviderPlugin` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 94 - process_oov(oov_plugin.deref(), input, i, &mut has_words, &mut lattice); [INFO] [stdout] 94 + process_oov(oov_plugin, input, i, &mut has_words, &mut lattice); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `OovProviderPlugin`, implement `Clone` for it [INFO] [stdout] --> src/plugin/oov_provider_plugin.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 + #[derive(Clone)] [INFO] [stdout] 14 | pub enum OovProviderPlugin { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/tokenizer.rs:98:16 [INFO] [stdout] | [INFO] [stdout] 98 | panic!(format!("there is no morpheme at {}", i)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 98 - panic!(format!("there is no morpheme at {}", i)); [INFO] [stdout] 98 + panic!("there is no morpheme at {}", i); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.30s [INFO] running `Command { std: "docker" "inspect" "d79de10a64b933db6d55e5e2cf0a563a3a57fe377bca714852af451cce85838e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d79de10a64b933db6d55e5e2cf0a563a3a57fe377bca714852af451cce85838e", kill_on_drop: false }` [INFO] [stdout] d79de10a64b933db6d55e5e2cf0a563a3a57fe377bca714852af451cce85838e