[INFO] crate concache 0.2.1 is already in cache [INFO] extracting crate concache 0.2.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/concache/0.2.1 [INFO] extracting crate concache 0.2.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/concache/0.2.1 [INFO] validating manifest of concache-0.2.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of concache-0.2.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing concache-0.2.1 [INFO] finished frobbing concache-0.2.1 [INFO] frobbed toml for concache-0.2.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/concache/0.2.1/Cargo.toml [INFO] started frobbing concache-0.2.1 [INFO] finished frobbing concache-0.2.1 [INFO] frobbed toml for concache-0.2.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/concache/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking concache-0.2.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/concache/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a9d22b3d0bfc674b67144e26107f67c89a98ecffc24724ab1137002746d43803 [INFO] running `"docker" "start" "-a" "a9d22b3d0bfc674b67144e26107f67c89a98ecffc24724ab1137002746d43803"` [INFO] [stderr] Checking crossbeam v0.3.2 [INFO] [stderr] Checking concache v0.2.1 (/opt/crater/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: 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] Finished dev [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `"docker" "inspect" "a9d22b3d0bfc674b67144e26107f67c89a98ecffc24724ab1137002746d43803"` [INFO] running `"docker" "rm" "-f" "a9d22b3d0bfc674b67144e26107f67c89a98ecffc24724ab1137002746d43803"` [INFO] [stdout] a9d22b3d0bfc674b67144e26107f67c89a98ecffc24724ab1137002746d43803