[INFO] fetching crate iotdb 0.0.4...
[INFO] checking iotdb-0.0.4 against 1.55.0 for beta-1.56-3
[INFO] extracting crate iotdb 0.0.4 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate iotdb 0.0.4 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 iotdb 0.0.4
[INFO] finished tweaking crates.io crate iotdb 0.0.4
[INFO] tweaked toml for crates.io crate iotdb 0.0.4 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate crates.io crate iotdb 0.0.4 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 5bf43dafbcb4d53af95c7f73682dcccb78516a3a840380692ef4cbf01bc183fe
[INFO] running `Command { std: "docker" "start" "-a" "5bf43dafbcb4d53af95c7f73682dcccb78516a3a840380692ef4cbf01bc183fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bf43dafbcb4d53af95c7f73682dcccb78516a3a840380692ef4cbf01bc183fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf43dafbcb4d53af95c7f73682dcccb78516a3a840380692ef4cbf01bc183fe", kill_on_drop: false }`
[INFO] [stdout] 5bf43dafbcb4d53af95c7f73682dcccb78516a3a840380692ef4cbf01bc183fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 3402f69c4ece9c850df2755a395b962e15f3191b17012ff399b5bdf8a9d085ee
[INFO] running `Command { std: "docker" "start" "-a" "3402f69c4ece9c850df2755a395b962e15f3191b17012ff399b5bdf8a9d085ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking integer-encoding v3.0.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling iotdb v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking mimalloc v0.1.26
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking thrift v0.15.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stdout] warning: unused variable: `timestamps`
[INFO] [stdout]     --> src/lib.rs:1054:21
[INFO] [stdout]      |
[INFO] [stdout] 1054 |     fn check_sorted(timestamps: Vec<i64>) {
[INFO] [stdout]      |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamps`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamps`
[INFO] [stdout]     --> src/lib.rs:1054:21
[INFO] [stdout]      |
[INFO] [stdout] 1054 |     fn check_sorted(timestamps: Vec<i64>) {
[INFO] [stdout]      |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamps`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_sorted`
[INFO] [stdout]     --> src/lib.rs:1054:8
[INFO] [stdout]      |
[INFO] [stdout] 1054 |     fn check_sorted(timestamps: Vec<i64>) {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel_operation`
[INFO] [stdout]     --> src/lib.rs:1059:8
[INFO] [stdout]      |
[INFO] [stdout] 1059 |     fn cancel_operation(&mut self, query_id: i64) -> Result<(), Error> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_sorted`
[INFO] [stdout]     --> src/lib.rs:1054:8
[INFO] [stdout]      |
[INFO] [stdout] 1054 |     fn check_sorted(timestamps: Vec<i64>) {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel_operation`
[INFO] [stdout]     --> src/lib.rs:1059:8
[INFO] [stdout]      |
[INFO] [stdout] 1059 |     fn cancel_operation(&mut self, query_id: i64) -> Result<(), Error> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "3402f69c4ece9c850df2755a395b962e15f3191b17012ff399b5bdf8a9d085ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3402f69c4ece9c850df2755a395b962e15f3191b17012ff399b5bdf8a9d085ee", kill_on_drop: false }`
[INFO] [stdout] 3402f69c4ece9c850df2755a395b962e15f3191b17012ff399b5bdf8a9d085ee
