[INFO] cloning repository https://github.com/sungkim11/rust-parquet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sungkim11/rust-parquet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsungkim11%2Frust-parquet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsungkim11%2Frust-parquet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7aaeda96a981d622ace222b0ddcd0eb241f22cf1
[INFO] checking sungkim11/rust-parquet against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsungkim11%2Frust-parquet" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sungkim11/rust-parquet
[INFO] finished tweaking git repo https://github.com/sungkim11/rust-parquet
[INFO] tweaked toml for git repo https://github.com/sungkim11/rust-parquet written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sungkim11/rust-parquet on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sungkim11/rust-parquet 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55a8db047bae21504f3daf08b66a455ad6113347e045e6d28b733b306168319
[INFO] running `Command { std: "docker" "start" "-a" "c55a8db047bae21504f3daf08b66a455ad6113347e045e6d28b733b306168319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55a8db047bae21504f3daf08b66a455ad6113347e045e6d28b733b306168319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55a8db047bae21504f3daf08b66a455ad6113347e045e6d28b733b306168319", kill_on_drop: false }`
[INFO] [stdout] c55a8db047bae21504f3daf08b66a455ad6113347e045e6d28b733b306168319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5bed1c68fcf349a3c0fd49e067a08e7782b85145d1c118681ddaa2d02bd3b1e
[INFO] running `Command { std: "docker" "start" "-a" "f5bed1c68fcf349a3c0fd49e067a08e7782b85145d1c118681ddaa2d02bd3b1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking lexical-util v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling zstd-safe v5.0.1+zstd.1.5.2
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]    Compiling parquet v11.1.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking lexical-write-integer v0.8.3
[INFO] [stderr]     Checking lexical-parse-integer v0.8.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking lexical-parse-float v0.8.3
[INFO] [stderr]     Checking lexical-write-float v0.8.4
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking lexical-core v0.8.3
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]     Checking num-bigint v0.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking parquet-format v4.0.0
[INFO] [stderr]    Compiling zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]    Compiling lz4-sys v1.9.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking flatbuffers v2.1.1
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking lz4 v1.23.3
[INFO] [stderr]     Checking arrow v11.1.0
[INFO] [stderr]     Checking zstd v0.11.1+zstd.1.5.2
[INFO] [stderr]     Checking parquet-metadata-viewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `parquet_metadata_viewer_file` is never used
[INFO] [stdout]   --> src/parquet_metadata_viewer_3.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn parquet_metadata_viewer_file(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/parquet_metadata_viewer_3.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     /// Parquet Dataset File Name.
[INFO] [stdout] 12 | |     #[clap(short, long, default_value = "datasets/Social_Vulnerability_Index_2018_-_United_States__tract.parquet")]
[INFO] [stdout] 13 | |     filename: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/parquet_metadata_viewer_3.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Partitioned Parquet Dataset File Path.
[INFO] [stdout] 16 | |     #[clap(short, long, default_value = "datasets/citywide_payroll_data/")]
[INFO] [stdout] 17 | |     partition_path: String,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/parquet_metadata_viewer_3.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// Parquet Partitioned?
[INFO] [stdout] 20 | |     #[clap(short, long, default_value = "false")]
[INFO] [stdout] 21 | |     is_partitioned: String,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parquet-metadata-viewer` (bin "parquet-metadata-viewer" test) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `parquet_metadata_viewer_file` is never used
[INFO] [stdout]   --> src/parquet_metadata_viewer_3.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn parquet_metadata_viewer_file(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/parquet_metadata_viewer_3.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     /// Parquet Dataset File Name.
[INFO] [stdout] 12 | |     #[clap(short, long, default_value = "datasets/Social_Vulnerability_Index_2018_-_United_States__tract.parquet")]
[INFO] [stdout] 13 | |     filename: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/parquet_metadata_viewer_3.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Partitioned Parquet Dataset File Path.
[INFO] [stdout] 16 | |     #[clap(short, long, default_value = "datasets/citywide_payroll_data/")]
[INFO] [stdout] 17 | |     partition_path: String,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/parquet_metadata_viewer_3.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// Parquet Partitioned?
[INFO] [stdout] 20 | |     #[clap(short, long, default_value = "false")]
[INFO] [stdout] 21 | |     is_partitioned: String,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parquet-metadata-viewer` (bin "parquet-metadata-viewer") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f5bed1c68fcf349a3c0fd49e067a08e7782b85145d1c118681ddaa2d02bd3b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bed1c68fcf349a3c0fd49e067a08e7782b85145d1c118681ddaa2d02bd3b1e", kill_on_drop: false }`
[INFO] [stdout] f5bed1c68fcf349a3c0fd49e067a08e7782b85145d1c118681ddaa2d02bd3b1e