[INFO] fetching crate indexer 0.1.5... [INFO] checking indexer-0.1.5 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331 [INFO] extracting crate indexer 0.1.5 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate indexer 0.1.5 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112 [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate indexer 0.1.5 [INFO] finished tweaking crates.io crate indexer 0.1.5 [INFO] tweaked toml for crates.io crate indexer 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9acfc4a2eacb71d604ffaae1e6a6bafc444c103a9825a36d5c6d498277acc1a1 [INFO] running `"docker" "start" "-a" "9acfc4a2eacb71d604ffaae1e6a6bafc444c103a9825a36d5c6d498277acc1a1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.23 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Compiling thiserror-impl v1.0.18 [INFO] [stderr] Checking thiserror v1.0.18 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking multimap v0.8.1 [INFO] [stderr] Checking json_dotpath v1.0.3 [INFO] [stderr] Checking indexer v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:157:1 [INFO] [stderr] | [INFO] [stderr] 157 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:159:1 [INFO] [stderr] | [INFO] [stderr] 159 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Mutex` [INFO] [stderr] --> src/lib.rs:173:17 [INFO] [stderr] | [INFO] [stderr] 173 | use std::sync::{Mutex, RwLock, Arc}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/lib.rs:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `DerefMut` [INFO] [stderr] --> src/lib.rs:175:16 [INFO] [stderr] | [INFO] [stderr] 175 | use std::ops::{DerefMut, Deref}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::hash_map::RandomState` [INFO] [stderr] --> src/lib.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | use std::collections::hash_map::RandomState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PatternError`, `Pattern` [INFO] [stderr] --> src/lib.rs:179:12 [INFO] [stderr] | [INFO] [stderr] 179 | use glob::{Pattern, PatternError}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:157:1 [INFO] [stderr] | [INFO] [stderr] 157 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:159:1 [INFO] [stderr] | [INFO] [stderr] 159 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Mutex` [INFO] [stderr] --> src/lib.rs:173:17 [INFO] [stderr] | [INFO] [stderr] 173 | use std::sync::{Mutex, RwLock, Arc}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/lib.rs:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `DerefMut` [INFO] [stderr] --> src/lib.rs:175:16 [INFO] [stderr] | [INFO] [stderr] 175 | use std::ops::{DerefMut, Deref}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::hash_map::RandomState` [INFO] [stderr] --> src/lib.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | use std::collections::hash_map::RandomState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PatternError`, `Pattern` [INFO] [stderr] --> src/lib.rs:179:12 [INFO] [stderr] | [INFO] [stderr] 179 | use glob::{Pattern, PatternError}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:867:1 [INFO] [stderr] | [INFO] [stderr] 867 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `RwLock` [INFO] [stderr] --> src/tests.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::{Arc, RwLock}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `env`, `thread`, `time` [INFO] [stderr] --> src/tests.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use std::{thread, env, time}; [INFO] [stderr] | ^^^^^^ ^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `env_logger` [INFO] [stderr] --> src/tests.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use env_logger; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_json::Number` [INFO] [stderr] --> src/tests.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use serde_json::Number; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/lib.rs:478:27 [INFO] [stderr] | [INFO] [stderr] 478 | Indexer::Json(j) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:492:30 [INFO] [stderr] | [INFO] [stderr] 492 | Indexer::Integer(i) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:496:28 [INFO] [stderr] | [INFO] [stderr] 496 | Indexer::Float(f) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/lib.rs:500:29 [INFO] [stderr] | [INFO] [stderr] 500 | Indexer::String(s) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:847:34 [INFO] [stderr] | [INFO] [stderr] 847 | Indexer::Integer(i) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:851:32 [INFO] [stderr] | [INFO] [stderr] 851 | Indexer::Float(f) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/lib.rs:855:33 [INFO] [stderr] | [INFO] [stderr] 855 | Indexer::String(s) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `self.inserts` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:341:17 [INFO] [stderr] | [INFO] [stderr] 339 | match self.filter(&k, &v) { [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 340 | Ok((k, v)) => { [INFO] [stderr] 341 | self.inserts.insert(k.to_owned(), v.clone()); [INFO] [stderr] | ^^^^^^^^^^^^ - immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `self.updates` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:350:17 [INFO] [stderr] | [INFO] [stderr] 348 | match self.filter(&k, &v) { [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 349 | Ok((k, v)) => { [INFO] [stderr] 350 | self.updates.insert(k.to_owned(), v.clone()); [INFO] [stderr] | ^^^^^^^^^^^^ - immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:400:13 [INFO] [stderr] | [INFO] [stderr] 400 | let mut collection: IndexMap = IndexMap::new(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:476:13 [INFO] [stderr] | [INFO] [stderr] 476 | let mut indexer = self.indexer.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:553:13 [INFO] [stderr] | [INFO] [stderr] 553 | let mut float_tree_reader = read_guard.get(key).unwrap_or(&empty_map); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:587:13 [INFO] [stderr] | [INFO] [stderr] 587 | let mut str_tree_reader = read_guard.get(key).unwrap_or(&empty_map); [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:833:17 [INFO] [stderr] | [INFO] [stderr] 833 | let mut indexer = self.indexer.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:728:13 [INFO] [stderr] | [INFO] [stderr] 728 | let mut indexer = self.indexer.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 22 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/lib.rs:478:27 [INFO] [stderr] | [INFO] [stderr] 478 | Indexer::Json(j) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:492:30 [INFO] [stderr] | [INFO] [stderr] 492 | Indexer::Integer(i) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:496:28 [INFO] [stderr] | [INFO] [stderr] 496 | Indexer::Float(f) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/lib.rs:500:29 [INFO] [stderr] | [INFO] [stderr] 500 | Indexer::String(s) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:847:34 [INFO] [stderr] | [INFO] [stderr] 847 | Indexer::Integer(i) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:851:32 [INFO] [stderr] | [INFO] [stderr] 851 | Indexer::Float(f) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/lib.rs:855:33 [INFO] [stderr] | [INFO] [stderr] 855 | Indexer::String(s) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `self.inserts` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:341:17 [INFO] [stderr] | [INFO] [stderr] 339 | match self.filter(&k, &v) { [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 340 | Ok((k, v)) => { [INFO] [stderr] 341 | self.inserts.insert(k.to_owned(), v.clone()); [INFO] [stderr] | ^^^^^^^^^^^^ - immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `self.updates` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:350:17 [INFO] [stderr] | [INFO] [stderr] 348 | match self.filter(&k, &v) { [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 349 | Ok((k, v)) => { [INFO] [stderr] 350 | self.updates.insert(k.to_owned(), v.clone()); [INFO] [stderr] | ^^^^^^^^^^^^ - immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:400:13 [INFO] [stderr] | [INFO] [stderr] 400 | let mut collection: IndexMap = IndexMap::new(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:476:13 [INFO] [stderr] | [INFO] [stderr] 476 | let mut indexer = self.indexer.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:553:13 [INFO] [stderr] | [INFO] [stderr] 553 | let mut float_tree_reader = read_guard.get(key).unwrap_or(&empty_map); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:587:13 [INFO] [stderr] | [INFO] [stderr] 587 | let mut str_tree_reader = read_guard.get(key).unwrap_or(&empty_map); [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:833:17 [INFO] [stderr] | [INFO] [stderr] 833 | let mut indexer = self.indexer.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:728:13 [INFO] [stderr] | [INFO] [stderr] 728 | let mut indexer = self.indexer.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 27 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.83s [INFO] running `"docker" "inspect" "9acfc4a2eacb71d604ffaae1e6a6bafc444c103a9825a36d5c6d498277acc1a1"` [INFO] running `"docker" "rm" "-f" "9acfc4a2eacb71d604ffaae1e6a6bafc444c103a9825a36d5c6d498277acc1a1"` [INFO] [stdout] 9acfc4a2eacb71d604ffaae1e6a6bafc444c103a9825a36d5c6d498277acc1a1