[INFO] cloning repository https://github.com/1195655796/13-week-homework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1195655796/13-week-homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1195655796%2F13-week-homework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1195655796%2F13-week-homework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02c98c3b3ac506da168b949a5e1b41d64fc3953c
[INFO] checking 1195655796/13-week-homework against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1195655796%2F13-week-homework" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/1195655796/13-week-homework
[INFO] finished tweaking git repo https://github.com/1195655796/13-week-homework
[INFO] tweaked toml for git repo https://github.com/1195655796/13-week-homework written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1195655796/13-week-homework on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1195655796/13-week-homework 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66df81161eee1e64dd62ae18b93c7e95f23278268d1d563bb38b2b1366d0dd3b
[INFO] running `Command { std: "docker" "start" "-a" "66df81161eee1e64dd62ae18b93c7e95f23278268d1d563bb38b2b1366d0dd3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66df81161eee1e64dd62ae18b93c7e95f23278268d1d563bb38b2b1366d0dd3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66df81161eee1e64dd62ae18b93c7e95f23278268d1d563bb38b2b1366d0dd3b", kill_on_drop: false }`
[INFO] [stdout] 66df81161eee1e64dd62ae18b93c7e95f23278268d1d563bb38b2b1366d0dd3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a04cb4f357757a20e72d927796f32366daabecdd44934fbf5b5691f6a599b84c
[INFO] running `Command { std: "docker" "start" "-a" "a04cb4f357757a20e72d927796f32366daabecdd44934fbf5b5691f6a599b84c", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `datafusion::functions::expr_fn::abs`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use datafusion::functions::expr_fn::abs;
[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: `arrow::array::StringArray`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use arrow::array::StringArray;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::array::Float64Array`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use arrow::array::Float64Array;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::array::Int64Array`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use arrow::array::Int64Array;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Sub`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::ops::Sub;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::array::LargeStringArray`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use arrow::array::LargeStringArray;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `datafusion::functions::expr_fn::abs`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use datafusion::functions::expr_fn::abs;
[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: `arrow::array::StringArray`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use arrow::array::StringArray;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::array::Float64Array`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use arrow::array::Float64Array;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::array::Int64Array`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use arrow::array::Int64Array;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Sub`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::ops::Sub;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrow::array::LargeStringArray`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use arrow::array::LargeStringArray;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/backend/fusion/describe.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut exprs = numerical_columns
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     let mut exprs = numerical_columns
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:410:13
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let mut exprs = numerical_columns
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |         let mut exprs = numerical_columns
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:528:13
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let mut exprs = numerical_columns
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/backend/fusion/describe.rs:531:12
[INFO] [stdout]     |
[INFO] [stdout] 531 |     .map(|(i, col_name)| {
[INFO] [stdout]     |            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_ok` found for opaque type `impl futures::Future<Output = Result<fusion::describe::DataFrameDescriber, anyhow::Error>>` in the current scope
[INFO] [stdout]    --> src/backend/fusion/describe.rs:722:27
[INFO] [stdout]     |
[INFO] [stdout] 722 |         assert!(describer.is_ok());
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `inspect_ok` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.30/src/future/try_future/mod.rs:467:5
[INFO] [stdout]     |
[INFO] [stdout] 467 | /     fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>
[INFO] [stdout] 468 | |     where
[INFO] [stdout] 469 | |         F: FnOnce(&Self::Ok),
[INFO] [stdout] 470 | |         Self: Sized,
[INFO] [stdout]     | |____________________^
[INFO] [stdout] help: consider `await`ing on the `Future` and calling the method on its `Output`
[INFO] [stdout]     |
[INFO] [stdout] 722 |         assert!(describer.await.is_ok());
[INFO] [stdout]     |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for opaque type `impl futures::Future<Output = Result<fusion::describe::DataFrameDescriber, anyhow::Error>>` in the current scope
[INFO] [stdout]    --> src/backend/fusion/describe.rs:728:57
[INFO] [stdout]     |
[INFO] [stdout] 728 |         let describer = DataFrameDescriber::try_new(df).unwrap();
[INFO] [stdout]     |                                                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider `await`ing on the `Future` and calling the method on its `Output`
[INFO] [stdout]     |
[INFO] [stdout] 728 |         let describer = DataFrameDescriber::try_new(df).await.unwrap();
[INFO] [stdout]     |                                                         ++++++
[INFO] [stdout] help: there is a method `wrap` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 728 -         let describer = DataFrameDescriber::try_new(df).unwrap();
[INFO] [stdout] 728 +         let describer = DataFrameDescriber::try_new(df).wrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/backend/fusion/describe.rs:730:13
[INFO] [stdout]     |
[INFO] [stdout] 730 |         let described_df = describer.describe().await;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 731 |         assert!(described_df.is_ok());
[INFO] [stdout]     |                 ------------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `described_df` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 730 |         let described_df: /* Type */ = describer.describe().await;
[INFO] [stdout]     |                         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/backend/fusion/describe.rs:733:22
[INFO] [stdout]     |
[INFO] [stdout] 733 |         let result = described_df.unwrap().collect().await.unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `arg` and `command`
[INFO] [stdout]  --> examples/repl.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap::{arg, command, Parser, Subcommand};
[INFO] [stdout]   |            ^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut exprs = numerical_columns
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     let mut exprs = numerical_columns
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:410:13
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let mut exprs = numerical_columns
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |         let mut exprs = numerical_columns
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend/fusion/describe.rs:528:13
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let mut exprs = numerical_columns
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/backend/fusion/describe.rs:531:12
[INFO] [stdout]     |
[INFO] [stdout] 531 |     .map(|(i, col_name)| {
[INFO] [stdout]     |            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taotie` (lib test) due to 4 previous errors; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a04cb4f357757a20e72d927796f32366daabecdd44934fbf5b5691f6a599b84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04cb4f357757a20e72d927796f32366daabecdd44934fbf5b5691f6a599b84c", kill_on_drop: false }`
[INFO] [stdout] a04cb4f357757a20e72d927796f32366daabecdd44934fbf5b5691f6a599b84c
