[INFO] fetching crate fast-list 0.1.8... [INFO] checking fast-list-0.1.8 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate fast-list 0.1.8 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate fast-list 0.1.8 [INFO] finished tweaking crates.io crate fast-list 0.1.8 [INFO] tweaked toml for crates.io crate fast-list 0.1.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate fast-list 0.1.8 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 103 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.5.1 (available: v0.7.0) [INFO] [stderr] Adding hashbrown v0.14.5 (available: v0.16.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.16) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ahash v0.2.19 [INFO] [stderr] Downloaded rand_isaac v0.2.0 [INFO] [stderr] Downloaded hashbrown v0.6.3 [INFO] [stderr] Downloaded graphlib v0.6.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2aa52feba9807c9dd7fb2810bb162b3bf32f5d83bf5b79dc237743b69650fe6b [INFO] running `Command { std: "docker" "start" "-a" "2aa52feba9807c9dd7fb2810bb162b3bf32f5d83bf5b79dc237743b69650fe6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2aa52feba9807c9dd7fb2810bb162b3bf32f5d83bf5b79dc237743b69650fe6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2aa52feba9807c9dd7fb2810bb162b3bf32f5d83bf5b79dc237743b69650fe6b", kill_on_drop: false }` [INFO] [stdout] 2aa52feba9807c9dd7fb2810bb162b3bf32f5d83bf5b79dc237743b69650fe6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15e91a95dbcfa7e61bac55eadbd43a230750dee76491ba96dc87e2656f260244 [INFO] running `Command { std: "docker" "start" "-a" "15e91a95dbcfa7e61bac55eadbd43a230750dee76491ba96dc87e2656f260244", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking clap_builder v4.5.47 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking ahash v0.2.19 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Checking crossbeam-queue v0.3.12 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Checking rand_isaac v0.2.0 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking fast-list v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `LinkedListItem` [INFO] [stdout] --> src/walker.rs:1:55 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::linked_list::{LinkedList, LinkedListIndex, LinkedListItem}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand v0.7.3 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked_list.rs:402:13 [INFO] [stdout] | [INFO] [stdout] 402 | let mut current = index; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked_list.rs:511:29 [INFO] [stdout] | [INFO] [stdout] 511 | pub fn retain(&self, mut f: F) -> Self [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/walker.rs:82:19 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn new(list: &LinkedList, start: LinkedListIndex, reverse: bool) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Walker` is never used [INFO] [stdout] --> src/walker.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Walker { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `WalkerIter` is never constructed [INFO] [stdout] --> src/walker.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub struct WalkerIter { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `context`, `inner_ref`, and `inner_mut` are never used [INFO] [stdout] --> src/walker.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 35 | / impl WalkerIter [INFO] [stdout] 36 | | where [INFO] [stdout] 37 | | W: Walker, [INFO] [stdout] 38 | | C: Clone, [INFO] [stdout] | |_____________- methods in this implementation [INFO] [stdout] 39 | { [INFO] [stdout] 40 | pub fn context(&self) -> C { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn inner_ref(&self) -> &W { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn inner_mut(&mut self) -> &mut W { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedListWalker` is never constructed [INFO] [stdout] --> src/walker.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub struct LinkedListWalker { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/walker.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 81 | impl LinkedListWalker { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 82 | pub fn new(list: &LinkedList, start: LinkedListIndex, reverse: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking graphlib v0.6.3 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking clap v4.5.47 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking serde_json v1.0.143 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] warning: unused imports: `AtomicI32` and `Ordering` [INFO] [stdout] --> tests/test_linked_list.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | atomic::{AtomicI32, Ordering}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LinkedListItem` [INFO] [stdout] --> src/walker.rs:1:55 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::linked_list::{LinkedList, LinkedListIndex, LinkedListItem}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> tests/test_linked_list.rs:147:16 [INFO] [stdout] | [INFO] [stdout] 147 | let (a, b, c, d) = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked_list.rs:402:13 [INFO] [stdout] | [INFO] [stdout] 402 | let mut current = index; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked_list.rs:511:29 [INFO] [stdout] | [INFO] [stdout] 511 | pub fn retain(&self, mut f: F) -> Self [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/walker.rs:82:19 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn new(list: &LinkedList, start: LinkedListIndex, reverse: bool) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/walker.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Walker { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 16 | fn iter(self, context: Context) -> WalkerIter [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `WalkerIter` is never constructed [INFO] [stdout] --> src/walker.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub struct WalkerIter { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `context`, `inner_ref`, and `inner_mut` are never used [INFO] [stdout] --> src/walker.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 35 | / impl WalkerIter [INFO] [stdout] 36 | | where [INFO] [stdout] 37 | | W: Walker, [INFO] [stdout] 38 | | C: Clone, [INFO] [stdout] | |_____________- methods in this implementation [INFO] [stdout] 39 | { [INFO] [stdout] 40 | pub fn context(&self) -> C { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn inner_ref(&self) -> &W { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn inner_mut(&mut self) -> &mut W { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> benches/fast_list.rs:875:9 [INFO] [stdout] | [INFO] [stdout] 875 | let i = 0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> benches/fast_list.rs:1031:9 [INFO] [stdout] | [INFO] [stdout] 1031 | let i = 0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.43s [INFO] running `Command { std: "docker" "inspect" "15e91a95dbcfa7e61bac55eadbd43a230750dee76491ba96dc87e2656f260244", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15e91a95dbcfa7e61bac55eadbd43a230750dee76491ba96dc87e2656f260244", kill_on_drop: false }` [INFO] [stdout] 15e91a95dbcfa7e61bac55eadbd43a230750dee76491ba96dc87e2656f260244