[INFO] crate concache 0.2.1 is already in cache [INFO] checking concache-0.2.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate concache 0.2.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate concache 0.2.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate concache 0.2.1 [INFO] finished tweaking crates.io crate concache 0.2.1 [INFO] tweaked toml for crates.io crate concache 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 994e69e2c24cd23091a5599f928d146dd066e2f602608ce85f19923dc91f579c [INFO] running `"docker" "start" "-a" "994e69e2c24cd23091a5599f928d146dd066e2f602608ce85f19923dc91f579c"` [INFO] [stderr] Checking crossbeam v0.3.2 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking concache v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/crossbeam/linked_list.rs:49:25 [INFO] [stderr] | [INFO] [stderr] 49 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:50:25 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cur = unsafe { &*raw }; [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/crossbeam/linked_list.rs:55:29 [INFO] [stderr] | [INFO] [stderr] 55 | let mut ins = Owned::new(kv.1); [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/crossbeam/linked_list.rs:63:29 [INFO] [stderr] | [INFO] [stderr] 63 | let mut ins = Owned::new(Node::new(kv.0, kv.1)); [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/crossbeam/linked_list.rs:71:25 [INFO] [stderr] | [INFO] [stderr] 71 | let mut ins = Owned::new(Node::new(kv.0, kv.1)); [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/crossbeam/linked_list.rs:86:25 [INFO] [stderr] | [INFO] [stderr] 86 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:87:25 [INFO] [stderr] | [INFO] [stderr] 87 | let mut cur = unsafe { &*raw }; [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/crossbeam/linked_list.rs:108:25 [INFO] [stderr] | [INFO] [stderr] 108 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:109:25 [INFO] [stderr] | [INFO] [stderr] 109 | let mut cur = unsafe { &*raw }; [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/crossbeam/linked_list.rs:118:29 [INFO] [stderr] | [INFO] [stderr] 118 | let mut new_node = match node.load(Ordering::SeqCst, &guard) { [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/crossbeam/linked_list.rs:124:29 [INFO] [stderr] | [INFO] [stderr] 124 | let mut new_node_raw_cur = unsafe { &*new_node.as_raw() }; [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/crossbeam/linked_list.rs:157:17 [INFO] [stderr] | [INFO] [stderr] 157 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:158:17 [INFO] [stderr] | [INFO] [stderr] 158 | let mut cur = unsafe { &*raw }; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/crossbeam/linked_list.rs:49:25 [INFO] [stderr] | [INFO] [stderr] 49 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:50:25 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cur = unsafe { &*raw }; [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/crossbeam/linked_list.rs:55:29 [INFO] [stderr] | [INFO] [stderr] 55 | let mut ins = Owned::new(kv.1); [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/crossbeam/linked_list.rs:63:29 [INFO] [stderr] | [INFO] [stderr] 63 | let mut ins = Owned::new(Node::new(kv.0, kv.1)); [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/crossbeam/linked_list.rs:71:25 [INFO] [stderr] | [INFO] [stderr] 71 | let mut ins = Owned::new(Node::new(kv.0, kv.1)); [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/crossbeam/linked_list.rs:86:25 [INFO] [stderr] | [INFO] [stderr] 86 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:87:25 [INFO] [stderr] | [INFO] [stderr] 87 | let mut cur = unsafe { &*raw }; [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/crossbeam/linked_list.rs:108:25 [INFO] [stderr] | [INFO] [stderr] 108 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:109:25 [INFO] [stderr] | [INFO] [stderr] 109 | let mut cur = unsafe { &*raw }; [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/crossbeam/linked_list.rs:118:29 [INFO] [stderr] | [INFO] [stderr] 118 | let mut new_node = match node.load(Ordering::SeqCst, &guard) { [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/crossbeam/linked_list.rs:124:29 [INFO] [stderr] | [INFO] [stderr] 124 | let mut new_node_raw_cur = unsafe { &*new_node.as_raw() }; [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/crossbeam/linked_list.rs:157:17 [INFO] [stderr] | [INFO] [stderr] 157 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:158:17 [INFO] [stderr] | [INFO] [stderr] 158 | let mut cur = unsafe { &*raw }; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.41s [INFO] running `"docker" "inspect" "994e69e2c24cd23091a5599f928d146dd066e2f602608ce85f19923dc91f579c"` [INFO] running `"docker" "rm" "-f" "994e69e2c24cd23091a5599f928d146dd066e2f602608ce85f19923dc91f579c"` [INFO] [stdout] 994e69e2c24cd23091a5599f928d146dd066e2f602608ce85f19923dc91f579c