[INFO] fetching crate shardio 0.5.4... [INFO] checking shardio-0.5.4 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] extracting crate shardio 0.5.4 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate shardio 0.5.4 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate shardio 0.5.4 [INFO] finished tweaking crates.io crate shardio 0.5.4 [INFO] tweaked toml for crates.io crate shardio 0.5.4 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded is_sorted v0.1.1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 13730f5a78e37cba28fea55bdb42f1d340cc47b14deb54bf09da245352165f6c [INFO] running `"docker" "start" "-a" "13730f5a78e37cba28fea55bdb42f1d340cc47b14deb54bf09da245352165f6c"` [INFO] [stderr] Checking min-max-heap v1.2.2 [INFO] [stderr] Checking is_sorted v0.1.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Checking quickcheck v0.8.5 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling skeptic v0.13.4 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking rayon-core v1.6.0 [INFO] [stderr] Compiling lz4 v1.23.1 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking shardio v0.5.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> benches/my_bench.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `check_round_trip` [INFO] [stderr] --> benches/my_bench.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | / fn check_round_trip( [INFO] [stderr] 63 | | disk_chunk_size: usize, [INFO] [stderr] 64 | | producer_chunk_size: usize, [INFO] [stderr] 65 | | buffer_size: usize, [INFO] [stderr] ... | [INFO] [stderr] 111 | | Ok(()) [INFO] [stderr] 112 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_shard_round_trip_big` [INFO] [stderr] --> benches/my_bench.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | fn test_shard_round_trip_big() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `benchmark_roundtrip` [INFO] [stderr] --> benches/my_bench.rs:118:5 [INFO] [stderr] | [INFO] [stderr] 118 | fn benchmark_roundtrip(c: &mut Criterion) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/my_bench.rs:91:21 [INFO] [stderr] | [INFO] [stderr] 91 | sender.send(tt); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/my_bench.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | reader.read_range(&Range::all(), &mut all_items); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/my_bench.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | check_round_trip(256, 32, 1 << 12, 1 << 14); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: static variable `v` should have an upper case name [INFO] [stderr] --> benches/my_bench.rs:167:12 [INFO] [stderr] | [INFO] [stderr] 167 | static v: [usize; 4] = [256 * KB, 512 * KB, 1024 * KB, 2048 * KB]; [INFO] [stderr] | ^ help: convert the identifier to upper case: `V` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.73s [INFO] running `"docker" "inspect" "13730f5a78e37cba28fea55bdb42f1d340cc47b14deb54bf09da245352165f6c"` [INFO] running `"docker" "rm" "-f" "13730f5a78e37cba28fea55bdb42f1d340cc47b14deb54bf09da245352165f6c"` [INFO] [stdout] 13730f5a78e37cba28fea55bdb42f1d340cc47b14deb54bf09da245352165f6c