[INFO] fetching crate recollection 0.1.1-beta.0... [INFO] building recollection-0.1.1-beta.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate recollection 0.1.1-beta.0 into /workspace/builds/worker-1-tc1/source [INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml [INFO] started tweaking crates.io crate recollection 0.1.1-beta.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate recollection 0.1.1-beta.0 [INFO] tweaked toml for crates.io crate recollection 0.1.1-beta.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate recollection 0.1.1-beta.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate recollection 0.1.1-beta.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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.2.9 [INFO] [stderr] Downloaded half v1.7.1 [INFO] [stderr] Downloaded plotters-svg v0.3.1 [INFO] [stderr] Downloaded plotters-backend v0.3.2 [INFO] [stderr] Downloaded criterion-plot v0.4.4 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded semver v1.0.3 [INFO] [stderr] Downloaded serde_cbor v0.11.1 [INFO] [stderr] Downloaded criterion v0.3.5 [INFO] [stderr] Downloaded serde v1.0.126 [INFO] [stderr] Downloaded serde_json v1.0.65 [INFO] [stderr] Downloaded serde_derive v1.0.126 [INFO] [stderr] Downloaded syn v1.0.74 [INFO] [stderr] Downloaded bstr v0.2.16 [INFO] [stderr] Downloaded plotters v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad290e4b03766ae39a231f899eced8d8cbde5d594073d801adab2c4137781a7b [INFO] running `Command { std: "docker" "start" "-a" "ad290e4b03766ae39a231f899eced8d8cbde5d594073d801adab2c4137781a7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad290e4b03766ae39a231f899eced8d8cbde5d594073d801adab2c4137781a7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad290e4b03766ae39a231f899eced8d8cbde5d594073d801adab2c4137781a7b", kill_on_drop: false }` [INFO] [stdout] ad290e4b03766ae39a231f899eced8d8cbde5d594073d801adab2c4137781a7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c52bf4bd157fee347fe1f25deb5ed476f109742bcac52f34c0f94a4a546449a [INFO] running `Command { std: "docker" "start" "-a" "0c52bf4bd157fee347fe1f25deb5ed476f109742bcac52f34c0f94a4a546449a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.65 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling recollection v0.1.1-beta.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `hash`, `iter`, and `slice` [INFO] [stdout] --> src/data/graph.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{iter, slice, vec, ops, fmt, hash}; [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 import: `DirEntry` [INFO] [stdout] --> src/fs.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{env, fs::{self, DirEntry, ReadDir}, io::{self, prelude::*}, path::PathBuf}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RecolError` and `RecolResult` [INFO] [stdout] --> src/channel/mod.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::{RecolError, RecolResult}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/channel/mod.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{sync::{self, Arc, Mutex, mpsc}, thread}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/data/chain.rs:6:28 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{ops, fmt::{self, Write}}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/data/graph.rs:372:13 [INFO] [stdout] | [INFO] [stdout] 372 | let n = self.nodes.get(a)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `link` [INFO] [stdout] --> src/data/chain.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let link = Self::new(data); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_link` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/fs.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | for d in fs::read_dir(pwd()?) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ActionWrap` is more private than the item `ActionHandler` [INFO] [stdout] --> src/channel/mod.rs:55:1 [INFO] [stdout] | [INFO] [stdout] 55 | pub type ActionHandler = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ type alias `ActionHandler` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `ActionWrap` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/channel/mod.rs:46:1 [INFO] [stdout] | [INFO] [stdout] 46 | trait ActionWrap { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_src`, `set_dest`, `set_both`, `set`, and `next_mut` are never used [INFO] [stdout] --> src/data/graph.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 87 | impl NodeLink { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | fn set_src(&mut self, src: NodeIx) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn set_dest(&mut self, dest: NodeIx) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn set_both(&mut self, node: NodeIx) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn set(&mut self, dir: &Direction, node: NodeIx) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 120 | fn next_mut(&mut self, dir: &Direction) -> &mut NodeIx { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `src` is never read [INFO] [stdout] --> src/data/graph.rs:707:5 [INFO] [stdout] | [INFO] [stdout] 706 | pub struct Edges<'a, E: 'a> where E: Clone { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 707 | src: NodeIx, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Edges` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ix`, `node`, and `weight` are never read [INFO] [stdout] --> src/data/graph.rs:737:5 [INFO] [stdout] | [INFO] [stdout] 736 | pub struct EdgeRef<'a, E: 'a> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 737 | ix: EdgeIx, [INFO] [stdout] | ^^ [INFO] [stdout] 738 | node: NodeLink, [INFO] [stdout] | ^^^^ [INFO] [stdout] 739 | weight: &'a E, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EdgeRef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `OpLike` is never used [INFO] [stdout] --> src/channel/mod.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | trait OpLike { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data/graph.rs:521:22 [INFO] [stdout] | [INFO] [stdout] 521 | pub fn neighbors(&self, a: NodeIx) -> Neighbors { [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] 521 | pub fn neighbors(&self, a: NodeIx) -> Neighbors<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data/graph.rs:525:31 [INFO] [stdout] | [INFO] [stdout] 525 | pub fn neighbors_directed(&self, a: NodeIx, dir: Direction) -> Neighbors { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 525 | pub fn neighbors_directed(&self, a: NodeIx, dir: Direction) -> Neighbors<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data/graph.rs:537:33 [INFO] [stdout] | [INFO] [stdout] 537 | pub fn neighbors_undirected(&self, a: NodeIx) -> Neighbors { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 537 | pub fn neighbors_undirected(&self, a: NodeIx) -> Neighbors<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/fs.rs:18:14 [INFO] [stdout] | [INFO] [stdout] 18 | for d in fs::read_dir(pwd()?) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 18 - for d in fs::read_dir(pwd()?) { [INFO] [stdout] 18 + while let Ok(d) = fs::read_dir(pwd()?) { [INFO] [stdout] | [INFO] [stdout] help: consider unwrapping the `Result` with `?` to iterate over its contents [INFO] [stdout] | [INFO] [stdout] 18 | for d in fs::read_dir(pwd()?)? { [INFO] [stdout] | + [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 18 - for d in fs::read_dir(pwd()?) { [INFO] [stdout] 18 + if let Ok(d) = fs::read_dir(pwd()?) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Inspect` that must be used [INFO] [stdout] --> src/channel/mod.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | / self.workers.iter() [INFO] [stdout] 86 | | .inspect(|_| self.sender.send(Op::Terminate).unwrap()); [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = self.workers.iter() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/channel/mod.rs:89:21 [INFO] [stdout] | [INFO] [stdout] 89 | thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 89 | let _ = thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Edge`, `Graph`, `Node`, `RecolError`, `copy`, and `rm` [INFO] [stdout] --> src/bin/main.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | use recollection::{RecolError, RecolResult, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 3 | data::{Graph, Node, Edge}, [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] 4 | fs::{cat, copy, rm, touch, mkdir} [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: `r` [INFO] [stdout] --> src/bin/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let r = cat("./Cargo.toml")?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fi` [INFO] [stdout] --> src/bin/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let fi = touch("./test.toml")?; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_fi` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `td` [INFO] [stdout] --> src/bin/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let td = mkdir("./testdir")?; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_td` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tests` is never used [INFO] [stdout] --> src/bin/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn tests() -> RecolResult<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.35s [INFO] running `Command { std: "docker" "inspect" "0c52bf4bd157fee347fe1f25deb5ed476f109742bcac52f34c0f94a4a546449a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c52bf4bd157fee347fe1f25deb5ed476f109742bcac52f34c0f94a4a546449a", kill_on_drop: false }` [INFO] [stdout] 0c52bf4bd157fee347fe1f25deb5ed476f109742bcac52f34c0f94a4a546449a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8181f1ef2320bce7ae32e7bf0984231d70a32b41428e51d538b54f71050abeb0 [INFO] running `Command { std: "docker" "start" "-a" "8181f1ef2320bce7ae32e7bf0984231d70a32b41428e51d538b54f71050abeb0", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stdout] warning: unused imports: `hash`, `iter`, and `slice` [INFO] [stdout] --> src/data/graph.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{iter, slice, vec, ops, fmt, hash}; [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 import: `DirEntry` [INFO] [stdout] --> src/fs.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{env, fs::{self, DirEntry, ReadDir}, io::{self, prelude::*}, path::PathBuf}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RecolError` and `RecolResult` [INFO] [stdout] --> src/channel/mod.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::{RecolError, RecolResult}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/channel/mod.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{sync::{self, Arc, Mutex, mpsc}, thread}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/data/chain.rs:6:28 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{ops, fmt::{self, Write}}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/data/graph.rs:372:13 [INFO] [stdout] | [INFO] [stdout] 372 | let n = self.nodes.get(a)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `link` [INFO] [stdout] --> src/data/chain.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let link = Self::new(data); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_link` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/fs.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | for d in fs::read_dir(pwd()?) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ActionWrap` is more private than the item `ActionHandler` [INFO] [stdout] --> src/channel/mod.rs:55:1 [INFO] [stdout] | [INFO] [stdout] 55 | pub type ActionHandler = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ type alias `ActionHandler` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `ActionWrap` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/channel/mod.rs:46:1 [INFO] [stdout] | [INFO] [stdout] 46 | trait ActionWrap { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_src`, `set_dest`, `set_both`, `set`, and `next_mut` are never used [INFO] [stdout] --> src/data/graph.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 87 | impl NodeLink { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | fn set_src(&mut self, src: NodeIx) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn set_dest(&mut self, dest: NodeIx) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn set_both(&mut self, node: NodeIx) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn set(&mut self, dir: &Direction, node: NodeIx) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 120 | fn next_mut(&mut self, dir: &Direction) -> &mut NodeIx { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `src` is never read [INFO] [stdout] --> src/data/graph.rs:707:5 [INFO] [stdout] | [INFO] [stdout] 706 | pub struct Edges<'a, E: 'a> where E: Clone { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 707 | src: NodeIx, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Edges` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ix`, `node`, and `weight` are never read [INFO] [stdout] --> src/data/graph.rs:737:5 [INFO] [stdout] | [INFO] [stdout] 736 | pub struct EdgeRef<'a, E: 'a> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 737 | ix: EdgeIx, [INFO] [stdout] | ^^ [INFO] [stdout] 738 | node: NodeLink, [INFO] [stdout] | ^^^^ [INFO] [stdout] 739 | weight: &'a E, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EdgeRef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `OpLike` is never used [INFO] [stdout] --> src/channel/mod.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | trait OpLike { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data/graph.rs:521:22 [INFO] [stdout] | [INFO] [stdout] 521 | pub fn neighbors(&self, a: NodeIx) -> Neighbors { [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] 521 | pub fn neighbors(&self, a: NodeIx) -> Neighbors<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data/graph.rs:525:31 [INFO] [stdout] | [INFO] [stdout] 525 | pub fn neighbors_directed(&self, a: NodeIx, dir: Direction) -> Neighbors { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 525 | pub fn neighbors_directed(&self, a: NodeIx, dir: Direction) -> Neighbors<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data/graph.rs:537:33 [INFO] [stdout] | [INFO] [stdout] 537 | pub fn neighbors_undirected(&self, a: NodeIx) -> Neighbors { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 537 | pub fn neighbors_undirected(&self, a: NodeIx) -> Neighbors<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/fs.rs:18:14 [INFO] [stdout] | [INFO] [stdout] 18 | for d in fs::read_dir(pwd()?) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 18 - for d in fs::read_dir(pwd()?) { [INFO] [stdout] 18 + while let Ok(d) = fs::read_dir(pwd()?) { [INFO] [stdout] | [INFO] [stdout] help: consider unwrapping the `Result` with `?` to iterate over its contents [INFO] [stdout] | [INFO] [stdout] 18 | for d in fs::read_dir(pwd()?)? { [INFO] [stdout] | + [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 18 - for d in fs::read_dir(pwd()?) { [INFO] [stdout] 18 + if let Ok(d) = fs::read_dir(pwd()?) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Inspect` that must be used [INFO] [stdout] --> src/channel/mod.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | / self.workers.iter() [INFO] [stdout] 86 | | .inspect(|_| self.sender.send(Op::Terminate).unwrap()); [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = self.workers.iter() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/channel/mod.rs:89:21 [INFO] [stdout] | [INFO] [stdout] 89 | thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 89 | let _ = thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Edge`, `Graph`, `Node`, `RecolError`, `copy`, and `rm` [INFO] [stdout] --> src/bin/main.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | use recollection::{RecolError, RecolResult, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 3 | data::{Graph, Node, Edge}, [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] 4 | fs::{cat, copy, rm, touch, mkdir} [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: `r` [INFO] [stdout] --> src/bin/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let r = cat("./Cargo.toml")?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fi` [INFO] [stdout] --> src/bin/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let fi = touch("./test.toml")?; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_fi` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `td` [INFO] [stdout] --> src/bin/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let td = mkdir("./testdir")?; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_td` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tests` is never used [INFO] [stdout] --> src/bin/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn tests() -> RecolResult<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Compiling recollection v0.1.1-beta.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Edge`, `Graph`, `Node`, `RecolError`, `copy`, and `rm` [INFO] [stdout] --> src/bin/main.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | use recollection::{RecolError, RecolResult, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 3 | data::{Graph, Node, Edge}, [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] 4 | fs::{cat, copy, rm, touch, mkdir} [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: `r` [INFO] [stdout] --> src/bin/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let r = cat("./Cargo.toml")?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fi` [INFO] [stdout] --> src/bin/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let fi = touch("./test.toml")?; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_fi` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `td` [INFO] [stdout] --> src/bin/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let td = mkdir("./testdir")?; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_td` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tests` is never used [INFO] [stdout] --> src/bin/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn tests() -> RecolResult<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `hash`, `iter`, and `slice` [INFO] [stdout] --> src/data/graph.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{iter, slice, vec, ops, fmt, hash}; [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 import: `DirEntry` [INFO] [stdout] --> src/fs.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{env, fs::{self, DirEntry, ReadDir}, io::{self, prelude::*}, path::PathBuf}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RecolError` and `RecolResult` [INFO] [stdout] --> src/channel/mod.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::{RecolError, RecolResult}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/channel/mod.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{sync::{self, Arc, Mutex, mpsc}, thread}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/data/chain.rs:6:28 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{ops, fmt::{self, Write}}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/data/graph.rs:372:13 [INFO] [stdout] | [INFO] [stdout] 372 | let n = self.nodes.get(a)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `link` [INFO] [stdout] --> src/data/chain.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let link = Self::new(data); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_link` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/fs.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | for d in fs::read_dir(pwd()?) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ActionWrap` is more private than the item `ActionHandler` [INFO] [stdout] --> src/channel/mod.rs:55:1 [INFO] [stdout] | [INFO] [stdout] 55 | pub type ActionHandler = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ type alias `ActionHandler` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `ActionWrap` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/channel/mod.rs:46:1 [INFO] [stdout] | [INFO] [stdout] 46 | trait ActionWrap { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_src`, `set_dest`, `set_both`, `set`, and `next_mut` are never used [INFO] [stdout] --> src/data/graph.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 87 | impl NodeLink { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | fn set_src(&mut self, src: NodeIx) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn set_dest(&mut self, dest: NodeIx) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn set_both(&mut self, node: NodeIx) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn set(&mut self, dir: &Direction, node: NodeIx) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 120 | fn next_mut(&mut self, dir: &Direction) -> &mut NodeIx { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `src` is never read [INFO] [stdout] --> src/data/graph.rs:707:5 [INFO] [stdout] | [INFO] [stdout] 706 | pub struct Edges<'a, E: 'a> where E: Clone { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 707 | src: NodeIx, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Edges` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ix`, `node`, and `weight` are never read [INFO] [stdout] --> src/data/graph.rs:737:5 [INFO] [stdout] | [INFO] [stdout] 736 | pub struct EdgeRef<'a, E: 'a> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 737 | ix: EdgeIx, [INFO] [stdout] | ^^ [INFO] [stdout] 738 | node: NodeLink, [INFO] [stdout] | ^^^^ [INFO] [stdout] 739 | weight: &'a E, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EdgeRef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `OpLike` is never used [INFO] [stdout] --> src/channel/mod.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | trait OpLike { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data/graph.rs:521:22 [INFO] [stdout] | [INFO] [stdout] 521 | pub fn neighbors(&self, a: NodeIx) -> Neighbors { [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] 521 | pub fn neighbors(&self, a: NodeIx) -> Neighbors<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data/graph.rs:525:31 [INFO] [stdout] | [INFO] [stdout] 525 | pub fn neighbors_directed(&self, a: NodeIx, dir: Direction) -> Neighbors { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 525 | pub fn neighbors_directed(&self, a: NodeIx, dir: Direction) -> Neighbors<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data/graph.rs:537:33 [INFO] [stdout] | [INFO] [stdout] 537 | pub fn neighbors_undirected(&self, a: NodeIx) -> Neighbors { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 537 | pub fn neighbors_undirected(&self, a: NodeIx) -> Neighbors<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/fs.rs:18:14 [INFO] [stdout] | [INFO] [stdout] 18 | for d in fs::read_dir(pwd()?) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 18 - for d in fs::read_dir(pwd()?) { [INFO] [stdout] 18 + while let Ok(d) = fs::read_dir(pwd()?) { [INFO] [stdout] | [INFO] [stdout] help: consider unwrapping the `Result` with `?` to iterate over its contents [INFO] [stdout] | [INFO] [stdout] 18 | for d in fs::read_dir(pwd()?)? { [INFO] [stdout] | + [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 18 - for d in fs::read_dir(pwd()?) { [INFO] [stdout] 18 + if let Ok(d) = fs::read_dir(pwd()?) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Inspect` that must be used [INFO] [stdout] --> src/channel/mod.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | / self.workers.iter() [INFO] [stdout] 86 | | .inspect(|_| self.sender.send(Op::Terminate).unwrap()); [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = self.workers.iter() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/channel/mod.rs:89:21 [INFO] [stdout] | [INFO] [stdout] 89 | thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 89 | let _ = thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 22.52s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "8181f1ef2320bce7ae32e7bf0984231d70a32b41428e51d538b54f71050abeb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8181f1ef2320bce7ae32e7bf0984231d70a32b41428e51d538b54f71050abeb0", kill_on_drop: false }` [INFO] [stdout] 8181f1ef2320bce7ae32e7bf0984231d70a32b41428e51d538b54f71050abeb0