[INFO] fetching crate idhash 0.1.3...
[INFO] checking idhash-0.1.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate idhash 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate idhash 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate idhash 0.1.3
[INFO] finished tweaking crates.io crate idhash 0.1.3
[INFO] tweaked toml for crates.io crate idhash 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate idhash 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-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" "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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7cff43293fb64a4d0208e5c36c62842ea546b36c7fdf0d9d44e5b0f5adb0a37
[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" "c7cff43293fb64a4d0208e5c36c62842ea546b36c7fdf0d9d44e5b0f5adb0a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7cff43293fb64a4d0208e5c36c62842ea546b36c7fdf0d9d44e5b0f5adb0a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7cff43293fb64a4d0208e5c36c62842ea546b36c7fdf0d9d44e5b0f5adb0a37", kill_on_drop: false }`
[INFO] [stdout] c7cff43293fb64a4d0208e5c36c62842ea546b36c7fdf0d9d44e5b0f5adb0a37
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b01a88ff8a3cbcd6a18a874388ae1b76f9ecb510d222376110a73682f96c48cc
[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" "b01a88ff8a3cbcd6a18a874388ae1b76f9ecb510d222376110a73682f96c48cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking simdutf8 v0.1.3
[INFO] [stderr]     Checking lexical-util v0.8.1
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking num-bigint v0.4.2
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking lexical-write-integer v0.8.0
[INFO] [stderr]     Checking lexical-parse-integer v0.8.0
[INFO] [stderr]     Checking lexical-write-float v0.8.2
[INFO] [stderr]     Checking lexical-parse-float v0.8.2
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking lexical-core v0.8.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking arrow2 v0.6.2
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]     Checking idhash v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `read_rows`
[INFO] [stdout]  --> src/utils.rs:7:65
[INFO] [stdout]   |
[INFO] [stdout] 7 |     deserialize_batch, deserialize_column, infer, infer_schema, read_rows, ByteRecord,
[INFO] [stdout]   |                                                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_rows`
[INFO] [stdout]  --> src/utils.rs:7:65
[INFO] [stdout]   |
[INFO] [stdout] 7 |     deserialize_batch, deserialize_column, infer, infer_schema, read_rows, ByteRecord,
[INFO] [stdout]   |                                                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_return_hash`
[INFO] [stdout]   --> src/lib.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn read_return_hash(file_path: &str, batch_size: usize) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.33s
[INFO] running `Command { std: "docker" "inspect" "b01a88ff8a3cbcd6a18a874388ae1b76f9ecb510d222376110a73682f96c48cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01a88ff8a3cbcd6a18a874388ae1b76f9ecb510d222376110a73682f96c48cc", kill_on_drop: false }`
[INFO] [stdout] b01a88ff8a3cbcd6a18a874388ae1b76f9ecb510d222376110a73682f96c48cc
