[INFO] fetching crate hash-rings 1.1.0... [INFO] checking hash-rings-1.1.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015 [INFO] extracting crate hash-rings 1.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate hash-rings 1.1.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate hash-rings 1.1.0 [INFO] finished tweaking crates.io crate hash-rings 1.1.0 [INFO] tweaked toml for crates.io crate hash-rings 1.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate hash-rings 1.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ddcc4c9b8f0906259828dea3450949c56d99af693275bc46943a2fc3492829df [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" "ddcc4c9b8f0906259828dea3450949c56d99af693275bc46943a2fc3492829df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ddcc4c9b8f0906259828dea3450949c56d99af693275bc46943a2fc3492829df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddcc4c9b8f0906259828dea3450949c56d99af693275bc46943a2fc3492829df", kill_on_drop: false }` [INFO] [stdout] ddcc4c9b8f0906259828dea3450949c56d99af693275bc46943a2fc3492829df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4250aa6a81098a96852b896d0525064dbc01ca3ae8b99ab6c8d9b963730af88e [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" "4250aa6a81098a96852b896d0525064dbc01ca3ae8b99ab6c8d9b963730af88e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking primal-estimate v0.2.1 [INFO] [stderr] Checking siphasher v0.2.3 [INFO] [stderr] Checking primal-bit v0.2.4 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking primal-sieve v0.2.9 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking primal-check v0.2.3 [INFO] [stderr] Checking primal v0.2.3 [INFO] [stderr] Checking hash-rings v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/maglev.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | type Item = (&'a T); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mpc.rs:269:17 [INFO] [stdout] | [INFO] [stdout] 269 | type Item = (&'a T); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/maglev.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | type Item = (&'a T); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mpc.rs:269:17 [INFO] [stdout] | [INFO] [stdout] 269 | type Item = (&'a T); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/consistent.rs:734:13 [INFO] [stdout] | [INFO] [stdout] 734 | let mut client: Client<'_, u32, u32, BuildDefaultHasher> = Client::default(); [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/rendezvous.rs:689:13 [INFO] [stdout] | [INFO] [stdout] 689 | let mut client: Client<'_, u32, u32, BuildDefaultHasher> = Client::default(); [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/weighted_rendezvous.rs:675:13 [INFO] [stdout] | [INFO] [stdout] 675 | let mut client: Client<'_, u32, u32, BuildDefaultHasher> = Client::default(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.57s [INFO] running `Command { std: "docker" "inspect" "4250aa6a81098a96852b896d0525064dbc01ca3ae8b99ab6c8d9b963730af88e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4250aa6a81098a96852b896d0525064dbc01ca3ae8b99ab6c8d9b963730af88e", kill_on_drop: false }` [INFO] [stdout] 4250aa6a81098a96852b896d0525064dbc01ca3ae8b99ab6c8d9b963730af88e