[INFO] crate concache 0.2.1 is already in cache [INFO] checking concache-0.2.1 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166 [INFO] extracting crate concache 0.2.1 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate concache 0.2.1 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a8b14fd1afd346bed954713440c379444474b2531771469e0d50ad8757a179df [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a8b14fd1afd346bed954713440c379444474b2531771469e0d50ad8757a179df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8b14fd1afd346bed954713440c379444474b2531771469e0d50ad8757a179df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8b14fd1afd346bed954713440c379444474b2531771469e0d50ad8757a179df", kill_on_drop: false }` [INFO] [stdout] a8b14fd1afd346bed954713440c379444474b2531771469e0d50ad8757a179df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e2198f7bb24dc3c0dab5402ac85e2ee8b6c7caae2cc1f6a19bfd95c4c3421da1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e2198f7bb24dc3c0dab5402ac85e2ee8b6c7caae2cc1f6a19bfd95c4c3421da1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking crossbeam v0.3.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking concache v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:50:25 [INFO] [stdout] | [INFO] [stdout] 50 | let mut cur = unsafe { &*raw }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | let mut ins = Owned::new(kv.1); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let mut ins = Owned::new(Node::new(kv.0, kv.1)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | let mut ins = Owned::new(Node::new(kv.0, kv.1)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:86:25 [INFO] [stdout] | [INFO] [stdout] 86 | let mut raw = k.as_raw(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:87:25 [INFO] [stdout] | [INFO] [stdout] 87 | let mut cur = unsafe { &*raw }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:108:25 [INFO] [stdout] | [INFO] [stdout] 108 | let mut raw = k.as_raw(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | let mut cur = unsafe { &*raw }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:118:29 [INFO] [stdout] | [INFO] [stdout] 118 | let mut new_node = match node.load(Ordering::SeqCst, &guard) { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:124:29 [INFO] [stdout] | [INFO] [stdout] 124 | let mut new_node_raw_cur = unsafe { &*new_node.as_raw() }; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:157:17 [INFO] [stdout] | [INFO] [stdout] 157 | let mut raw = k.as_raw(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:158:17 [INFO] [stdout] | [INFO] [stdout] 158 | let mut cur = unsafe { &*raw }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand v0.5.6 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | let mut raw = k.as_raw(); [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/crossbeam/linked_list.rs:50:25 [INFO] [stdout] | [INFO] [stdout] 50 | let mut cur = unsafe { &*raw }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | let mut ins = Owned::new(kv.1); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let mut ins = Owned::new(Node::new(kv.0, kv.1)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | let mut ins = Owned::new(Node::new(kv.0, kv.1)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:86:25 [INFO] [stdout] | [INFO] [stdout] 86 | let mut raw = k.as_raw(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:87:25 [INFO] [stdout] | [INFO] [stdout] 87 | let mut cur = unsafe { &*raw }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:108:25 [INFO] [stdout] | [INFO] [stdout] 108 | let mut raw = k.as_raw(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | let mut cur = unsafe { &*raw }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:118:29 [INFO] [stdout] | [INFO] [stdout] 118 | let mut new_node = match node.load(Ordering::SeqCst, &guard) { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:124:29 [INFO] [stdout] | [INFO] [stdout] 124 | let mut new_node_raw_cur = unsafe { &*new_node.as_raw() }; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:157:17 [INFO] [stdout] | [INFO] [stdout] 157 | let mut raw = k.as_raw(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/crossbeam/linked_list.rs:158:17 [INFO] [stdout] | [INFO] [stdout] 158 | let mut cur = unsafe { &*raw }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.20s [INFO] running `Command { std: "docker" "inspect" "e2198f7bb24dc3c0dab5402ac85e2ee8b6c7caae2cc1f6a19bfd95c4c3421da1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2198f7bb24dc3c0dab5402ac85e2ee8b6c7caae2cc1f6a19bfd95c4c3421da1", kill_on_drop: false }` [INFO] [stdout] e2198f7bb24dc3c0dab5402ac85e2ee8b6c7caae2cc1f6a19bfd95c4c3421da1