[INFO] cloning repository https://github.com/adamweingram/data_collator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamweingram/data_collator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamweingram%2Fdata_collator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamweingram%2Fdata_collator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cd79168361624242741ed80c3f52d77da6c8fe5
[INFO] checking adamweingram/data_collator against master#8202d110516c6bd87cee375e9a9b774db499015c for pr-149596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamweingram%2Fdata_collator" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/adamweingram/data_collator
[INFO] finished tweaking git repo https://github.com/adamweingram/data_collator
[INFO] tweaked toml for git repo https://github.com/adamweingram/data_collator written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adamweingram/data_collator on toolchain 8202d110516c6bd87cee375e9a9b774db499015c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/adamweingram/data_collator 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" "+8202d110516c6bd87cee375e9a9b774db499015c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f54eaf40c843b50ce2eedd8d0c112c2f7086252584afd64ebaea7ed2c64072d
[INFO] running `Command { std: "docker" "start" "-a" "2f54eaf40c843b50ce2eedd8d0c112c2f7086252584afd64ebaea7ed2c64072d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f54eaf40c843b50ce2eedd8d0c112c2f7086252584afd64ebaea7ed2c64072d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f54eaf40c843b50ce2eedd8d0c112c2f7086252584afd64ebaea7ed2c64072d", kill_on_drop: false }`
[INFO] [stdout] 2f54eaf40c843b50ce2eedd8d0c112c2f7086252584afd64ebaea7ed2c64072d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f220409b7264ed15d84b28415be51f59db9112479844ffeee3695f47e2662ce
[INFO] running `Command { std: "docker" "start" "-a" "2f220409b7264ed15d84b28415be51f59db9112479844ffeee3695f47e2662ce", kill_on_drop: false }`
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[INFO] [stderr]     Checking serde_path_to_error v0.1.16
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[INFO] [stderr]     Checking indexmap v2.7.1
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[INFO] [stderr]     Checking polars-io v0.46.0
[INFO] [stderr]     Checking data_collator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tracing_subscriber::fmt::format`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_subscriber::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `polars::prelude::GroupBy::<'a>::sum`: use polars.lazy aggregations
[INFO] [stdout]    --> src/main.rs:173:6
[INFO] [stdout]     |
[INFO] [stdout] 173 |     .sum()?;
[INFO] [stdout]     |      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut summed = df.group_by([key])?
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `df`
[INFO] [stdout]    --> src/main.rs:192:18
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn group_by_mean(df: &DataFrame, key: &str) -> PolarsResult<DataFrame> {
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_df`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/main.rs:192:34
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn group_by_mean(df: &DataFrame, key: &str) -> PolarsResult<DataFrame> {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::fmt::format`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_subscriber::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Mean` is never constructed
[INFO] [stdout]    --> src/main.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum AggregateOperation {
[INFO] [stdout]     |      ------------------ variant in this enum
[INFO] [stdout] 166 |     Sum,
[INFO] [stdout] 167 |     Mean,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AggregateOperation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `polars::prelude::GroupBy::<'a>::sum`: use polars.lazy aggregations
[INFO] [stdout]    --> src/main.rs:173:6
[INFO] [stdout]     |
[INFO] [stdout] 173 |     .sum()?;
[INFO] [stdout]     |      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut summed = df.group_by([key])?
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `df`
[INFO] [stdout]    --> src/main.rs:192:18
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn group_by_mean(df: &DataFrame, key: &str) -> PolarsResult<DataFrame> {
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_df`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/main.rs:192:34
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn group_by_mean(df: &DataFrame, key: &str) -> PolarsResult<DataFrame> {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Mean` is never constructed
[INFO] [stdout]    --> src/main.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum AggregateOperation {
[INFO] [stdout]     |      ------------------ variant in this enum
[INFO] [stdout] 166 |     Sum,
[INFO] [stdout] 167 |     Mean,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AggregateOperation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 48s
[INFO] running `Command { std: "docker" "inspect" "2f220409b7264ed15d84b28415be51f59db9112479844ffeee3695f47e2662ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f220409b7264ed15d84b28415be51f59db9112479844ffeee3695f47e2662ce", kill_on_drop: false }`
[INFO] [stdout] 2f220409b7264ed15d84b28415be51f59db9112479844ffeee3695f47e2662ce