[INFO] fetching crate ukhs 0.3.4... [INFO] checking ukhs-0.3.4 against beta for pr-78714 [INFO] extracting crate ukhs 0.3.4 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate ukhs 0.3.4 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate ukhs 0.3.4 [INFO] finished tweaking crates.io crate ukhs 0.3.4 [INFO] tweaked toml for crates.io crate ukhs 0.3.4 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2479867ce57e0f6958168a5803774a3b97670c3cda8378f61f6ba8cf55e1861e [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" "2479867ce57e0f6958168a5803774a3b97670c3cda8378f61f6ba8cf55e1861e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2479867ce57e0f6958168a5803774a3b97670c3cda8378f61f6ba8cf55e1861e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2479867ce57e0f6958168a5803774a3b97670c3cda8378f61f6ba8cf55e1861e", kill_on_drop: false }` [INFO] [stdout] 2479867ce57e0f6958168a5803774a3b97670c3cda8378f61f6ba8cf55e1861e [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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b80ad1395b5846a9fc8f8da8b80e0a21490f3f47f9aba3abe29a42a5bd70941c [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" "b80ad1395b5846a9fc8f8da8b80e0a21490f3f47f9aba3abe29a42a5bd70941c", kill_on_drop: false }` [INFO] [stderr] Compiling bbhash-sys v0.1.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking nthash v0.4.3 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stderr] Checking bbhash v0.1.1 [INFO] [stderr] Checking ukhs v0.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> tests/ukhs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> tests/ukhs.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/ukhs.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut unikmers: Vec = it.map(|(_, x)| x).collect(); [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] --> tests/ukhs.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut ukhs_unhash: Vec = ukhs_hash [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:397:13 [INFO] [stdout] | [INFO] [stdout] 397 | let mut ukhs_unhash_set: HashSet = ukhs_hash [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/lib.rs:439:13 [INFO] [stdout] | [INFO] [stdout] 439 | let mut unikmers: Vec = it.map(|(_, x)| x).collect(); [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/lib.rs:462:13 [INFO] [stdout] | [INFO] [stdout] 462 | let mut ukhs_unhash: Vec = ukhs_hash [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.72s [INFO] running `Command { std: "docker" "inspect" "b80ad1395b5846a9fc8f8da8b80e0a21490f3f47f9aba3abe29a42a5bd70941c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b80ad1395b5846a9fc8f8da8b80e0a21490f3f47f9aba3abe29a42a5bd70941c", kill_on_drop: false }` [INFO] [stdout] b80ad1395b5846a9fc8f8da8b80e0a21490f3f47f9aba3abe29a42a5bd70941c