[INFO] fetching crate ferris-finder 0.2.1... [INFO] checking ferris-finder-0.2.1 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1 [INFO] extracting crate ferris-finder 0.2.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate ferris-finder 0.2.1 [INFO] finished tweaking crates.io crate ferris-finder 0.2.1 [INFO] tweaked toml for crates.io crate ferris-finder 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ferris-finder 0.2.1 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ferris-finder 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.81 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.81 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.81 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.31 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.81 [INFO] [stderr] Downloaded smallvec v1.8.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.40 [INFO] [stderr] Downloaded unicode-segmentation v1.9.0 [INFO] [stderr] Downloaded tracing-core v0.1.28 [INFO] [stderr] Downloaded hashbrown v0.12.1 [INFO] [stderr] Downloaded js-sys v0.3.58 [INFO] [stderr] Downloaded crossterm v0.26.1 [INFO] [stderr] Downloaded serde v1.0.138 [INFO] [stderr] Downloaded wasm-bindgen v0.2.81 [INFO] [stderr] Downloaded tui v0.19.0 [INFO] [stderr] Downloaded object v0.30.3 [INFO] [stderr] Downloaded gimli v0.27.2 [INFO] [stderr] Downloaded web-sys v0.3.58 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f692a44e79d9663764495e067426f3be41af84974882dff53b8fbe328fe11a2 [INFO] running `Command { std: "docker" "start" "-a" "7f692a44e79d9663764495e067426f3be41af84974882dff53b8fbe328fe11a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f692a44e79d9663764495e067426f3be41af84974882dff53b8fbe328fe11a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f692a44e79d9663764495e067426f3be41af84974882dff53b8fbe328fe11a2", kill_on_drop: false }` [INFO] [stdout] 7f692a44e79d9663764495e067426f3be41af84974882dff53b8fbe328fe11a2 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba9ceacb97d77400898604930f8d749ed0a36817d79ec13e144878d99bdb511d [INFO] running `Command { std: "docker" "start" "-a" "ba9ceacb97d77400898604930f8d749ed0a36817d79ec13e144878d99bdb511d", kill_on_drop: false }` [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking smallvec v1.8.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking tracing-core v0.1.28 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Compiling httparse v1.7.1 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling serde v1.0.138 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking unicode-normalization v0.1.21 [INFO] [stderr] Checking gimli v0.27.2 [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking tracing v0.1.35 [INFO] [stderr] Checking tracing-subscriber v0.3.15 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking indexmap v1.9.1 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] Checking object v0.30.3 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking crossterm v0.25.0 [INFO] [stderr] Checking dirs-sys v0.4.1 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking rayon-core v1.11.0 [INFO] [stderr] Checking base64 v0.21.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Checking directories v5.0.1 [INFO] [stderr] Checking crossterm v0.26.1 [INFO] [stderr] Checking flate2 v1.0.26 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling backtrace v0.3.67 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking color-spantrace v0.2.0 [INFO] [stderr] Checking tui v0.19.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking addr2line v0.19.0 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Checking tokio-util v0.7.3 [INFO] [stderr] Checking h2 v0.3.13 [INFO] [stderr] Checking hyper v0.14.19 [INFO] [stderr] Checking reqwest v0.11.18 [INFO] [stderr] Checking ferris-finder v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `category` is never read [INFO] [stdout] --> src/ucd.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct CharEntry { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | pub category: GeneralCategory, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CharEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/app.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn draw(&mut self) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 71 | pub fn draw(&mut self) -> io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `category` is never read [INFO] [stdout] --> src/ucd.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct CharEntry { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | pub category: GeneralCategory, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CharEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/app.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn draw(&mut self) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 71 | pub fn draw(&mut self) -> io::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.38s [INFO] running `Command { std: "docker" "inspect" "ba9ceacb97d77400898604930f8d749ed0a36817d79ec13e144878d99bdb511d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba9ceacb97d77400898604930f8d749ed0a36817d79ec13e144878d99bdb511d", kill_on_drop: false }` [INFO] [stdout] ba9ceacb97d77400898604930f8d749ed0a36817d79ec13e144878d99bdb511d