[INFO] fetching crate ukhs 0.3.4... [INFO] checking ukhs-0.3.4 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] extracting crate ukhs 0.3.4 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate ukhs 0.3.4 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand v0.5.6 [INFO] [stderr] Downloaded proptest v0.9.6 [INFO] [stderr] Downloaded nthash v0.4.3 [INFO] [stderr] Downloaded bbhash-sys v0.1.0 [INFO] [stderr] Downloaded bbhash v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9daae8e95fd82c1e08a8bb8623d6568a70d8ff63dae20e1381a9b11f71848ffd [INFO] running `Command { std: "docker" "start" "-a" "9daae8e95fd82c1e08a8bb8623d6568a70d8ff63dae20e1381a9b11f71848ffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9daae8e95fd82c1e08a8bb8623d6568a70d8ff63dae20e1381a9b11f71848ffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9daae8e95fd82c1e08a8bb8623d6568a70d8ff63dae20e1381a9b11f71848ffd", kill_on_drop: false }` [INFO] [stdout] 9daae8e95fd82c1e08a8bb8623d6568a70d8ff63dae20e1381a9b11f71848ffd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b037ea24e7906b5cc7a87f4d54d60f0d5dbaffc2f770dcd35755855426f5229d [INFO] running `Command { std: "docker" "start" "-a" "b037ea24e7906b5cc7a87f4d54d60f0d5dbaffc2f770dcd35755855426f5229d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking object v0.26.2 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling bbhash-sys v0.1.0 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking addr2line v0.16.0 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stderr] Checking bbhash v0.1.1 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking nthash v0.4.3 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ukhs v0.3.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.2.11 [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 21.50s [INFO] running `Command { std: "docker" "inspect" "b037ea24e7906b5cc7a87f4d54d60f0d5dbaffc2f770dcd35755855426f5229d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b037ea24e7906b5cc7a87f4d54d60f0d5dbaffc2f770dcd35755855426f5229d", kill_on_drop: false }` [INFO] [stdout] b037ea24e7906b5cc7a87f4d54d60f0d5dbaffc2f770dcd35755855426f5229d