[INFO] updating cached repository tbelaire/dailyprogrammer_challenge247_easy_secret_santa
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tbelaire/dailyprogrammer_challenge247_easy_secret_santa
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 711646bcb7d841928c02268d3ca07747db13c311
[INFO] sha for GitHub repo tbelaire/dailyprogrammer_challenge247_easy_secret_santa: 711646bcb7d841928c02268d3ca07747db13c311
[INFO] validating manifest of tbelaire/dailyprogrammer_challenge247_easy_secret_santa on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tbelaire/dailyprogrammer_challenge247_easy_secret_santa on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tbelaire/dailyprogrammer_challenge247_easy_secret_santa
[INFO] finished frobbing tbelaire/dailyprogrammer_challenge247_easy_secret_santa
[INFO] frobbed toml for tbelaire/dailyprogrammer_challenge247_easy_secret_santa written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa/Cargo.toml
[INFO] started frobbing tbelaire/dailyprogrammer_challenge247_easy_secret_santa
[INFO] finished frobbing tbelaire/dailyprogrammer_challenge247_easy_secret_santa
[INFO] frobbed toml for tbelaire/dailyprogrammer_challenge247_easy_secret_santa written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa/Cargo.toml
[INFO] crate tbelaire/dailyprogrammer_challenge247_easy_secret_santa already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tbelaire/dailyprogrammer_challenge247_easy_secret_santa against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2533930eedd704aebc9d6150af8e7d2ecf84671b688746c6677cc0e42a1011aa
[INFO] running `"docker" "start" "-a" "2533930eedd704aebc9d6150af8e7d2ecf84671b688746c6677cc0e42a1011aa"`
[INFO] [stderr]     Checking challenge_247_easy_secret_santa v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     pub fn new<T>(people: Vec<T>) -> Self
[INFO] [stderr] 18 | |         where T: Into<String>
[INFO] [stderr] 19 | |     {
[INFO] [stderr] 20 | |         Family {
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |         }
[INFO] [stderr] 24 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new2`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     pub fn new2<V, T>(people: V) -> Self
[INFO] [stderr] 26 | |         where V: Into<Vec<T>>,
[INFO] [stderr] 27 | |               T: Into<String>
[INFO] [stderr] 28 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |         }
[INFO] [stderr] 33 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "2533930eedd704aebc9d6150af8e7d2ecf84671b688746c6677cc0e42a1011aa"`
[INFO] running `"docker" "rm" "-f" "2533930eedd704aebc9d6150af8e7d2ecf84671b688746c6677cc0e42a1011aa"`
[INFO] [stdout] 2533930eedd704aebc9d6150af8e7d2ecf84671b688746c6677cc0e42a1011aa