[INFO] updating cached repository https://github.com/aujxn/recipe_analysis
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd2f01cb847528b8e8ea3bef7de7f7fab013ff4a
[INFO] checking aujxn/recipe_analysis against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faujxn%2Frecipe_analysis" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aujxn/recipe_analysis on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aujxn/recipe_analysis
[INFO] finished tweaking git repo https://github.com/aujxn/recipe_analysis
[INFO] tweaked toml for git repo https://github.com/aujxn/recipe_analysis written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/aujxn/recipe_analysis already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74af13f6fb3a8f018109b9f3c0909a6c9dc2a248ba7b1751480fb5df2e5a62ce
[INFO] running `"docker" "start" "-a" "74af13f6fb3a8f018109b9f3c0909a6c9dc2a248ba7b1751480fb5df2e5a62ce"`
[INFO] [stderr]    Compiling syn v1.0.13
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[INFO] [stderr]     Checking recipe_analysis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `url::ParseError`
[INFO] [stderr]  --> src/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use url::ParseError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::join`
[INFO] [stderr]  --> src/training.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use itertools::join;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/training.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/training.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `NewRecipe`, `Recipe`
[INFO] [stderr]   --> src/lib.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 | use self::models::{NewRecipe, Recipe};
[INFO] [stderr]    |                    ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `url::ParseError`
[INFO] [stderr]  --> src/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use url::ParseError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::join`
[INFO] [stderr]  --> src/training.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use itertools::join;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/training.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/training.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `NewRecipe`, `Recipe`
[INFO] [stderr]   --> src/lib.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 | use self::models::{NewRecipe, Recipe};
[INFO] [stderr]    |                    ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/training.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut rdr = Reader::from_path("nyt-ingredients-snapshot-2015.csv").unwrap();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/training.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut rdr = Reader::from_path("nyt-ingredients-snapshot-2015.csv").unwrap();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nodes`
[INFO] [stderr]   --> src/bin/visualize.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let nodes: usize = line.next().unwrap().parse().unwrap();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nodes`
[INFO] [stderr]   --> src/bin/visualize.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let nodes: usize = line.next().unwrap().parse().unwrap();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 21s
[INFO] running `"docker" "inspect" "74af13f6fb3a8f018109b9f3c0909a6c9dc2a248ba7b1751480fb5df2e5a62ce"`
[INFO] running `"docker" "rm" "-f" "74af13f6fb3a8f018109b9f3c0909a6c9dc2a248ba7b1751480fb5df2e5a62ce"`
[INFO] [stdout] 74af13f6fb3a8f018109b9f3c0909a6c9dc2a248ba7b1751480fb5df2e5a62ce