[INFO] fetching crate difftastic-oc 0.23.0... [INFO] checking difftastic-oc-0.23.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate difftastic-oc 0.23.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate difftastic-oc 0.23.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate difftastic-oc 0.23.0 [INFO] finished tweaking crates.io crate difftastic-oc 0.23.0 [INFO] tweaked toml for crates.io crate difftastic-oc 0.23.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate difftastic-oc 0.23.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded same-file v1.0.6 [INFO] [stderr] Downloaded walkdir v2.3.2 [INFO] [stderr] Downloaded tree-sitter v0.20.5 [INFO] [stderr] Downloaded typed-arena v2.0.1 [INFO] [stderr] Downloaded mimalloc v0.1.27 [INFO] [stderr] Downloaded output_vt100 v0.1.2 [INFO] [stderr] Downloaded pretty_env_logger v0.4.0 [INFO] [stderr] Downloaded owo-colors v3.2.0 [INFO] [stderr] Downloaded indexmap v1.8.0 [INFO] [stderr] Downloaded os_str_bytes v6.0.0 [INFO] [stderr] Downloaded libc v0.2.112 [INFO] [stderr] Downloaded textwrap v0.14.2 [INFO] [stderr] Downloaded libmimalloc-sys v0.1.23 [INFO] [stderr] Downloaded clap v3.0.13 [INFO] [stderr] Downloaded const_format_proc_macros v0.2.22 [INFO] [stderr] Downloaded const_format v0.2.22 [INFO] [stderr] Downloaded itertools v0.10.3 [INFO] [stderr] Downloaded ctor v0.1.21 [INFO] [stderr] Downloaded pretty_assertions v1.0.0 [INFO] [stderr] Downloaded termcolor v1.1.2 [INFO] [stderr] Downloaded env_logger v0.7.1 [INFO] [stderr] Downloaded log v0.4.14 [INFO] [stderr] Downloaded crossbeam-channel v0.5.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.5 [INFO] [stderr] Downloaded crossbeam-utils v0.8.7 [INFO] [stderr] Downloaded rayon-core v1.9.1 [INFO] [stderr] Downloaded rayon v1.5.1 [INFO] [stderr] Downloaded rpds v0.11.0 [INFO] [stderr] Downloaded ryu v1.0.9 [INFO] [stderr] Downloaded proc-macro2 v1.0.36 [INFO] [stderr] Downloaded quote v1.0.13 [INFO] [stderr] Downloaded syn v1.0.84 [INFO] [stderr] Downloaded serde_derive v1.0.136 [INFO] [stderr] Downloaded serde v1.0.136 [INFO] [stderr] Downloaded serde_json v1.0.79 [INFO] [stderr] Downloaded regex v1.5.4 [INFO] [stderr] Downloaded diff v0.1.12 [INFO] [stderr] Downloaded either v1.6.1 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded crossbeam-deque v0.8.1 [INFO] [stderr] Downloaded archery v0.4.0 [INFO] [stderr] Downloaded cc v1.0.72 [INFO] [stderr] Downloaded memchr v2.4.1 [INFO] [stderr] Downloaded radix-heap v0.4.2 [INFO] [stderr] Downloaded memoffset v0.6.5 [INFO] [stderr] Downloaded rustc-hash v1.1.0 [INFO] [stderr] Downloaded itoa v1.0.1 [INFO] [stderr] Downloaded term_size v0.3.2 [INFO] [stderr] Downloaded wu-diff v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7c59f8bb2fc212f9115e3e094d7344bd465facff47c794af5a147c90ff6a794 [INFO] running `Command { std: "docker" "start" "-a" "f7c59f8bb2fc212f9115e3e094d7344bd465facff47c794af5a147c90ff6a794", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7c59f8bb2fc212f9115e3e094d7344bd465facff47c794af5a147c90ff6a794", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7c59f8bb2fc212f9115e3e094d7344bd465facff47c794af5a147c90ff6a794", kill_on_drop: false }` [INFO] [stdout] f7c59f8bb2fc212f9115e3e094d7344bd465facff47c794af5a147c90ff6a794 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 441d9a9ed084012db8be907d0d3bd0bbc496a28faa4e655204b967b3e94bbbfd [INFO] running `Command { std: "docker" "start" "-a" "441d9a9ed084012db8be907d0d3bd0bbc496a28faa4e655204b967b3e94bbbfd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling quote v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling libmimalloc-sys v0.1.23 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling tree-sitter v0.20.5 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking archery v0.4.0 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking clap v3.0.13 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking mimalloc v0.1.27 [INFO] [stderr] Checking rpds v0.11.0 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking const_format v0.2.22 [INFO] [stderr] Checking wu-diff v0.1.2 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking radix-heap v0.4.2 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking owo-colors v3.2.0 [INFO] [stderr] Checking pretty_assertions v1.0.0 [INFO] [stderr] Compiling difftastic-oc v0.23.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Itertools` is imported redundantly [INFO] [stdout] --> src/dijkstra.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 138 | use super::*; [INFO] [stdout] | -------- the item `Itertools` is already imported here [INFO] [stdout] ... [INFO] [stdout] 145 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/guess_language.rs:85:63 [INFO] [stdout] | [INFO] [stdout] 85 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/guess_language.rs:85:63 [INFO] [stdout] | [INFO] [stdout] 85 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.43s [INFO] running `Command { std: "docker" "inspect" "441d9a9ed084012db8be907d0d3bd0bbc496a28faa4e655204b967b3e94bbbfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "441d9a9ed084012db8be907d0d3bd0bbc496a28faa4e655204b967b3e94bbbfd", kill_on_drop: false }` [INFO] [stdout] 441d9a9ed084012db8be907d0d3bd0bbc496a28faa4e655204b967b3e94bbbfd [INFO] checking difftastic-oc-0.23.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate difftastic-oc 0.23.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate difftastic-oc 0.23.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate difftastic-oc 0.23.0 [INFO] finished tweaking crates.io crate difftastic-oc 0.23.0 [INFO] tweaked toml for crates.io crate difftastic-oc 0.23.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate difftastic-oc 0.23.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 068e6a0883c2310edcdb095c6fac2182ca01159b26b0d15ae5316fe2863a7023 [INFO] running `Command { std: "docker" "start" "-a" "068e6a0883c2310edcdb095c6fac2182ca01159b26b0d15ae5316fe2863a7023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "068e6a0883c2310edcdb095c6fac2182ca01159b26b0d15ae5316fe2863a7023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "068e6a0883c2310edcdb095c6fac2182ca01159b26b0d15ae5316fe2863a7023", kill_on_drop: false }` [INFO] [stdout] 068e6a0883c2310edcdb095c6fac2182ca01159b26b0d15ae5316fe2863a7023 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 139d93201c46a0fd035c12dfa131d8f8d6ec228cddcfd390137be3f9d8568ef5 [INFO] running `Command { std: "docker" "start" "-a" "139d93201c46a0fd035c12dfa131d8f8d6ec228cddcfd390137be3f9d8568ef5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling quote v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling libmimalloc-sys v0.1.23 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling tree-sitter v0.20.5 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking archery v0.4.0 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking clap v3.0.13 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking mimalloc v0.1.27 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking rpds v0.11.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking const_format v0.2.22 [INFO] [stderr] Checking wu-diff v0.1.2 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking owo-colors v3.2.0 [INFO] [stderr] Checking radix-heap v0.4.2 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking pretty_assertions v1.0.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling difftastic-oc v0.23.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stdout] warning: the item `Itertools` is imported redundantly [INFO] [stdout] --> src/dijkstra.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 138 | use super::*; [INFO] [stdout] | -------- the item `Itertools` is already imported here [INFO] [stdout] ... [INFO] [stdout] 145 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/guess_language.rs:85:63 [INFO] [stdout] | [INFO] [stdout] 85 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/guess_language.rs:85:63 [INFO] [stdout] | [INFO] [stdout] 85 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.51s [INFO] running `Command { std: "docker" "inspect" "139d93201c46a0fd035c12dfa131d8f8d6ec228cddcfd390137be3f9d8568ef5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "139d93201c46a0fd035c12dfa131d8f8d6ec228cddcfd390137be3f9d8568ef5", kill_on_drop: false }` [INFO] [stdout] 139d93201c46a0fd035c12dfa131d8f8d6ec228cddcfd390137be3f9d8568ef5