[INFO] fetching crate fast-list 0.1.8... [INFO] testing fast-list-0.1.8 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate fast-list 0.1.8 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fast-list 0.1.8 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 83 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: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77b3394a0999507d050c98b27f354c6e4809cc6221e0228f360a5373f2412040 [INFO] running `Command { std: "docker" "start" "-a" "77b3394a0999507d050c98b27f354c6e4809cc6221e0228f360a5373f2412040", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77b3394a0999507d050c98b27f354c6e4809cc6221e0228f360a5373f2412040", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77b3394a0999507d050c98b27f354c6e4809cc6221e0228f360a5373f2412040", kill_on_drop: false }` [INFO] [stdout] 77b3394a0999507d050c98b27f354c6e4809cc6221e0228f360a5373f2412040 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90399168fd740d71f02577c457b1a3a3dd2b655c38ba7f7c7606aa019de7bd1c [INFO] running `Command { std: "docker" "start" "-a" "90399168fd740d71f02577c457b1a3a3dd2b655c38ba7f7c7606aa019de7bd1c", kill_on_drop: false }` [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Compiling allocator-api2 v0.2.21 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.83s [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] running `Command { std: "docker" "inspect" "90399168fd740d71f02577c457b1a3a3dd2b655c38ba7f7c7606aa019de7bd1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90399168fd740d71f02577c457b1a3a3dd2b655c38ba7f7c7606aa019de7bd1c", kill_on_drop: false }` [INFO] [stdout] 90399168fd740d71f02577c457b1a3a3dd2b655c38ba7f7c7606aa019de7bd1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 344f7f80b6d62037b10879592f79e4fd6b8d43b0f465f952ce94690bc46f2c36 [INFO] running `Command { std: "docker" "start" "-a" "344f7f80b6d62037b10879592f79e4fd6b8d43b0f465f952ce94690bc46f2c36", kill_on_drop: false }` [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling clap_lex v0.7.6 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling anstyle v1.0.13 [INFO] [stderr] Compiling ahash v0.2.19 [INFO] [stderr] Compiling is-terminal v0.4.17 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling rand_isaac v0.2.0 [INFO] [stderr] Compiling clap_builder v4.5.51 [INFO] [stderr] Compiling crossbeam v0.8.4 [INFO] [stderr] Compiling clap v4.5.51 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling zerocopy-derive v0.8.27 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling half v2.7.1 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] Compiling graphlib v0.6.3 [INFO] [stderr] Compiling criterion v0.5.1 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: `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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 24.57s [INFO] running `Command { std: "docker" "inspect" "344f7f80b6d62037b10879592f79e4fd6b8d43b0f465f952ce94690bc46f2c36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "344f7f80b6d62037b10879592f79e4fd6b8d43b0f465f952ce94690bc46f2c36", kill_on_drop: false }` [INFO] [stdout] 344f7f80b6d62037b10879592f79e4fd6b8d43b0f465f952ce94690bc46f2c36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 066b7ebcb1337ab08ece5e0c875c3405f75754c3563f082fecb73f037c259b84 [INFO] running `Command { std: "docker" "start" "-a" "066b7ebcb1337ab08ece5e0c875c3405f75754c3563f082fecb73f037c259b84", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `LinkedListItem` [INFO] [stderr] --> src/walker.rs:1:55 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::linked_list::{LinkedList, LinkedListIndex, LinkedListItem}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/linked_list.rs:402:13 [INFO] [stderr] | [INFO] [stderr] 402 | let mut current = index; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/linked_list.rs:511:29 [INFO] [stderr] | [INFO] [stderr] 511 | pub fn retain(&self, mut f: F) -> Self [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> src/walker.rs:82:19 [INFO] [stderr] | [INFO] [stderr] 82 | pub fn new(list: &LinkedList, start: LinkedListIndex, reverse: bool) -> Self { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: trait `Walker` is never used [INFO] [stderr] --> src/walker.rs:10:11 [INFO] [stderr] | [INFO] [stderr] 10 | pub trait Walker { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `WalkerIter` is never constructed [INFO] [stderr] --> src/walker.rs:30:12 [INFO] [stderr] | [INFO] [stderr] 30 | pub struct WalkerIter { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `context`, `inner_ref`, and `inner_mut` are never used [INFO] [stderr] --> src/walker.rs:40:12 [INFO] [stderr] | [INFO] [stderr] 35 | / impl WalkerIter [INFO] [stderr] 36 | | where [INFO] [stderr] 37 | | W: Walker, [INFO] [stderr] 38 | | C: Clone, [INFO] [stderr] | |_____________- methods in this implementation [INFO] [stderr] 39 | { [INFO] [stderr] 40 | pub fn context(&self) -> C { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 44 | pub fn inner_ref(&self) -> &W { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 48 | pub fn inner_mut(&mut self) -> &mut W { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `LinkedListWalker` is never constructed [INFO] [stderr] --> src/walker.rs:74:12 [INFO] [stderr] | [INFO] [stderr] 74 | pub struct LinkedListWalker { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/walker.rs:82:12 [INFO] [stderr] | [INFO] [stderr] 81 | impl LinkedListWalker { [INFO] [stderr] | --------------------- associated function in this implementation [INFO] [stderr] 82 | pub fn new(list: &LinkedList, start: LinkedListIndex, reverse: bool) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `fast-list` (lib) generated 9 warnings (run `cargo fix --lib -p fast-list` to apply 4 suggestions) [INFO] [stderr] warning: unused imports: `AtomicI32` and `Ordering` [INFO] [stderr] --> tests/test_linked_list.rs:3:18 [INFO] [stderr] | [INFO] [stderr] 3 | atomic::{AtomicI32, Ordering}, [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> tests/test_linked_list.rs:147:16 [INFO] [stderr] | [INFO] [stderr] 147 | let (a, b, c, d) = { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `iter` is never used [INFO] [stderr] --> src/walker.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 10 | pub trait Walker { [INFO] [stderr] | ------ method in this trait [INFO] [stderr] ... [INFO] [stderr] 16 | fn iter(self, context: Context) -> WalkerIter [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `fast-list` (test "test_linked_list") generated 2 warnings (run `cargo fix --test "test_linked_list" -p fast-list` to apply 2 suggestions) [INFO] [stderr] warning: `fast-list` (lib test) generated 7 warnings (6 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_list-8e0374f3d501a7e9) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test walker::tests::test_list_walker ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/test_linked_list.rs (/opt/rustwide/target/debug/deps/test_linked_list-f486cd49a6a47347) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test_associated_data ... ok [INFO] [stdout] test test_fn_push_back_fn_next_of_fn_prev_of ... ok [INFO] [stdout] test test_iter ... ok [INFO] [stdout] test test_popback ... ok [INFO] [stdout] test test_split_off ... ok [INFO] [stdout] test test_multithreading ... ok [INFO] [stderr] Doc-tests fast_list [INFO] [stdout] test test_fn_insert_after_fn_insert_before ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - (line 109) ... ignored [INFO] [stdout] test src/lib.rs - (line 117) ... ignored [INFO] [stdout] test src/lib.rs - (line 96) ... ignored [INFO] [stdout] test src/lib.rs - (line 31) ... ok [INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList::iter (line 315) ... ok [INFO] [stdout] test src/lib.rs - (line 54) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.45s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "066b7ebcb1337ab08ece5e0c875c3405f75754c3563f082fecb73f037c259b84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "066b7ebcb1337ab08ece5e0c875c3405f75754c3563f082fecb73f037c259b84", kill_on_drop: false }` [INFO] [stdout] 066b7ebcb1337ab08ece5e0c875c3405f75754c3563f082fecb73f037c259b84