[INFO] cloning repository https://github.com/alexkreidler/parquet2arrow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexkreidler/parquet2arrow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexkreidler%2Fparquet2arrow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexkreidler%2Fparquet2arrow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8e97413154eaddd7eeef4ad927a9e2e4516293b
[INFO] checking alexkreidler/parquet2arrow 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%2Falexkreidler%2Fparquet2arrow" "/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/alexkreidler/parquet2arrow
[INFO] finished tweaking git repo https://github.com/alexkreidler/parquet2arrow
[INFO] tweaked toml for git repo https://github.com/alexkreidler/parquet2arrow written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alexkreidler/parquet2arrow 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/alexkreidler/parquet2arrow 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] 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] d312e5fe5f4a2487ba11cb003601391fd8977b4261f1aebf67c5c1f669bfcb62
[INFO] running `Command { std: "docker" "start" "-a" "d312e5fe5f4a2487ba11cb003601391fd8977b4261f1aebf67c5c1f669bfcb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d312e5fe5f4a2487ba11cb003601391fd8977b4261f1aebf67c5c1f669bfcb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d312e5fe5f4a2487ba11cb003601391fd8977b4261f1aebf67c5c1f669bfcb62", kill_on_drop: false }`
[INFO] [stdout] d312e5fe5f4a2487ba11cb003601391fd8977b4261f1aebf67c5c1f669bfcb62
[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] c573cf71b4b6e4478061988560246f8b1b61aa514e3935256a6f7d94f28157b1
[INFO] running `Command { std: "docker" "start" "-a" "c573cf71b4b6e4478061988560246f8b1b61aa514e3935256a6f7d94f28157b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking lexical-util v0.8.1
[INFO] [stderr]     Checking indexmap v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling lz4-sys v1.9.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling parquet v9.1.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]     Checking brotli v3.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking lexical-parse-integer v0.8.0
[INFO] [stderr]     Checking lexical-write-integer v0.8.0
[INFO] [stderr]     Checking lexical-parse-float v0.8.2
[INFO] [stderr]     Checking lexical-write-float v0.8.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking lexical-core v0.8.2
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking parquet-format v4.0.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking flatbuffers v2.0.0
[INFO] [stderr]     Checking clap v3.1.5
[INFO] [stderr]     Checking arrow v9.1.0
[INFO] [stderr]     Checking lz4 v1.23.3
[INFO] [stderr]    Compiling zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]     Checking zstd v0.10.0+zstd.1.5.2
[INFO] [stderr]     Checking parquet2arrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     /// Path of Parquet file to read and convert
[INFO] [stdout] 14 | |     #[clap(short, long)]
[INFO] [stdout] 15 | |     input: 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/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// Path of Arrow file to write
[INFO] [stdout] 18 | |     #[clap(short, long)]
[INFO] [stdout] 19 | |     output: 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/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     /// Path of Parquet file to read and convert
[INFO] [stdout] 14 | |     #[clap(short, long)]
[INFO] [stdout] 15 | |     input: 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/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// Path of Arrow file to write
[INFO] [stdout] 18 | |     #[clap(short, long)]
[INFO] [stdout] 19 | |     output: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parquet2arrow` (bin "parquet2arrow" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `parquet2arrow` (bin "parquet2arrow") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c573cf71b4b6e4478061988560246f8b1b61aa514e3935256a6f7d94f28157b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c573cf71b4b6e4478061988560246f8b1b61aa514e3935256a6f7d94f28157b1", kill_on_drop: false }`
[INFO] [stdout] c573cf71b4b6e4478061988560246f8b1b61aa514e3935256a6f7d94f28157b1