[INFO] fetching crate ckydb 0.0.5...
[INFO] checking ckydb-0.0.5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate ckydb 0.0.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ckydb 0.0.5 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckydb 0.0.5
[INFO] finished tweaking crates.io crate ckydb 0.0.5
[INFO] tweaked toml for crates.io crate ckydb 0.0.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ckydb 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ee42821aae4dbff1edaf3cebd59d6d2148181d3ca3acd863e845cce0922bc92
[INFO] running `Command { std: "docker" "start" "-a" "0ee42821aae4dbff1edaf3cebd59d6d2148181d3ca3acd863e845cce0922bc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee42821aae4dbff1edaf3cebd59d6d2148181d3ca3acd863e845cce0922bc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee42821aae4dbff1edaf3cebd59d6d2148181d3ca3acd863e845cce0922bc92", kill_on_drop: false }`
[INFO] [stdout] 0ee42821aae4dbff1edaf3cebd59d6d2148181d3ca3acd863e845cce0922bc92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5727abd6c033712cc327438abec49b9d299c3b3faad890cddcdc6c90219b98b6
[INFO] running `Command { std: "docker" "start" "-a" "5727abd6c033712cc327438abec49b9d299c3b3faad890cddcdc6c90219b98b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ckydb v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `DUMMY_FILE_DATA` is never used
[INFO] [stdout]   --> src/utils.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const DUMMY_FILE_DATA: [(&str, &str); 5] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear_dummy_file_data_in_db` is never used
[INFO] [stdout]   --> src/utils.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn clear_dummy_file_data_in_db<P: AsRef<Path>>(db_path: P) -> io::Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_dummy_file_data_in_db` is never used
[INFO] [stdout]   --> src/utils.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub(crate) fn add_dummy_file_data_in_db(db_path: &str) -> io::Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_files_with_extension` is never used
[INFO] [stdout]   --> src/utils.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) fn read_files_with_extension<P: AsRef<Path>>(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]    Compiling serial_test_derive v0.8.0
[INFO] [stderr]     Checking serial_test v0.8.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "5727abd6c033712cc327438abec49b9d299c3b3faad890cddcdc6c90219b98b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5727abd6c033712cc327438abec49b9d299c3b3faad890cddcdc6c90219b98b6", kill_on_drop: false }`
[INFO] [stdout] 5727abd6c033712cc327438abec49b9d299c3b3faad890cddcdc6c90219b98b6