[INFO] cloning repository https://github.com/btel/df-rust-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/btel/df-rust-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbtel%2Fdf-rust-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbtel%2Fdf-rust-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b31f66e10ead88046079123095261066a696b02
[INFO] checking btel/df-rust-tools against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbtel%2Fdf-rust-tools" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/btel/df-rust-tools
[INFO] finished tweaking git repo https://github.com/btel/df-rust-tools
[INFO] tweaked toml for git repo https://github.com/btel/df-rust-tools written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/btel/df-rust-tools on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/btel/df-rust-tools 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb624a72646a1200ad735b6eabddbd1a1fa3125538986557be44a02bc6395549
[INFO] running `Command { std: "docker" "start" "-a" "bb624a72646a1200ad735b6eabddbd1a1fa3125538986557be44a02bc6395549", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `ValueEnum`
[INFO] [stdout]  --> src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{Parser, ValueEnum};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueEnum`
[INFO] [stdout]  --> src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{Parser, ValueEnum};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let filename = Path::new(path).file_name().unwrap().to_str().unwrap();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let filename = Path::new(path).file_name().unwrap().to_str().unwrap();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         _ => Ok(df_inputs)
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         DefaultOps::Select(s) => df_inputs.into_iter().map(|df| {select(df, s)}).collect(),
[INFO] [stdout]    |         --------------------- matches some of the same values
[INFO] [stdout] 67 |         DefaultOps::Summarize => df_inputs.into_iter().map(summarize).collect(),
[INFO] [stdout]    |         --------------------- matches some of the same values
[INFO] [stdout] 68 |         DefaultOps::Join(on) => {
[INFO] [stdout]    |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 75 |         DefaultOps::Concat => Ok(vec![concat_dataframes(df_inputs).unwrap()]),
[INFO] [stdout]    |         ------------------ matches some of the same values
[INFO] [stdout] 76 |         _ => Ok(df_inputs)
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         _ => Ok(df_inputs)
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         DefaultOps::Select(s) => df_inputs.into_iter().map(|df| {select(df, s)}).collect(),
[INFO] [stdout]    |         --------------------- matches some of the same values
[INFO] [stdout] 67 |         DefaultOps::Summarize => df_inputs.into_iter().map(summarize).collect(),
[INFO] [stdout]    |         --------------------- matches some of the same values
[INFO] [stdout] 68 |         DefaultOps::Join(on) => {
[INFO] [stdout]    |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 75 |         DefaultOps::Concat => Ok(vec![concat_dataframes(df_inputs).unwrap()]),
[INFO] [stdout]    |         ------------------ matches some of the same values
[INFO] [stdout] 76 |         _ => Ok(df_inputs)
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "3acaa82666b79fca3aef4f7da28d8f0c417ee7da2d1c10e7bee643ad44ee6964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3acaa82666b79fca3aef4f7da28d8f0c417ee7da2d1c10e7bee643ad44ee6964", kill_on_drop: false }`
[INFO] [stdout] 3acaa82666b79fca3aef4f7da28d8f0c417ee7da2d1c10e7bee643ad44ee6964
