[INFO] cloning repository https://github.com/lazear/mz_parquet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lazear/mz_parquet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazear%2Fmz_parquet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazear%2Fmz_parquet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5d42f726c65a6e95da579b9a059f00908aae373
[INFO] checking lazear/mz_parquet against master#a2db9280539229a3b8a084a09886670a57bc7e9c for pr-147185
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazear%2Fmz_parquet" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lazear/mz_parquet
[INFO] finished tweaking git repo https://github.com/lazear/mz_parquet
[INFO] tweaked toml for git repo https://github.com/lazear/mz_parquet written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lazear/mz_parquet on toolchain a2db9280539229a3b8a084a09886670a57bc7e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lazear/mz_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" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/lazear/sage.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c094bb06fafacbe8182a9e98b5cc023c0f7efe9165fd6465a2a4dd3b7ebc4502
[INFO] running `Command { std: "docker" "start" "-a" "c094bb06fafacbe8182a9e98b5cc023c0f7efe9165fd6465a2a4dd3b7ebc4502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c094bb06fafacbe8182a9e98b5cc023c0f7efe9165fd6465a2a4dd3b7ebc4502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c094bb06fafacbe8182a9e98b5cc023c0f7efe9165fd6465a2a4dd3b7ebc4502", kill_on_drop: false }`
[INFO] [stdout] c094bb06fafacbe8182a9e98b5cc023c0f7efe9165fd6465a2a4dd3b7ebc4502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8df2dac79beb12efbb9a58beed8d205bba5919a52094d86d81f939b34cb09751
[INFO] running `Command { std: "docker" "start" "-a" "8df2dac79beb12efbb9a58beed8d205bba5919a52094d86d81f939b34cb09751", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
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[INFO] [stderr]     Checking aws-endpoint v0.54.1
[INFO] [stderr]     Checking aws-http v0.54.1
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[INFO] [stdout] warning: field `rep_levels` is never read
[INFO] [stdout]    --> src/write_long.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct ColumnWriter<T: parquet::data_type::DataType, const NULLABLE: bool = false> {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 108 |     rep_levels: Vec<i16>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rep_levels` is never read
[INFO] [stdout]    --> src/write_long.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct ColumnWriter<T: parquet::data_type::DataType, const NULLABLE: bool = false> {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 108 |     rep_levels: Vec<i16>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "8df2dac79beb12efbb9a58beed8d205bba5919a52094d86d81f939b34cb09751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df2dac79beb12efbb9a58beed8d205bba5919a52094d86d81f939b34cb09751", kill_on_drop: false }`
[INFO] [stdout] 8df2dac79beb12efbb9a58beed8d205bba5919a52094d86d81f939b34cb09751