[INFO] cloning repository https://github.com/jwpetley/arxiv_degree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jwpetley/arxiv_degree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwpetley%2Farxiv_degree", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41b6c22e5a876ff2be7167a98585bbe055dce8d2
[INFO] building jwpetley/arxiv_degree against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwpetley%2Farxiv_degree" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jwpetley/arxiv_degree
[INFO] finished tweaking git repo https://github.com/jwpetley/arxiv_degree
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[INFO] validating manifest of git repo https://github.com/jwpetley/arxiv_degree on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
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[INFO] crate git repo https://github.com/jwpetley/arxiv_degree already has a lockfile, it will not be regenerated
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[INFO] [stdout] 43ca22cf8d8cb66c2c8639391c44b61bbf09c3629ecb10b42640d5dfad21e8a2
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[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
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[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling scraper v0.19.1
[INFO] [stderr]    Compiling hyper-util v0.1.6
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
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[INFO] [stderr]    Compiling reqwest v0.12.5
[INFO] [stderr]    Compiling arxiv_degree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/scrape.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{author::Author, paper::{self, Paper}};
[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: `element_ref::Select`
[INFO] [stdout]  --> src/scrape.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use scraper::{self, element_ref::Select};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Paper`
[INFO] [stdout]  --> src/author.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::paper::{Paper};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Author`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use author::{Author};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `authors`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let authors = get_authors("J.+W.+Petley");
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authors`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `daily_authors`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let daily_authors = daily_authors();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_daily_authors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `daily_papers`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let daily_papers = daily_papers();
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_daily_papers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `id`, `first_author`, and `authors` are never read
[INFO] [stdout]  --> src/paper.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Paper {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub id: String,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 7 |     pub first_author: Author,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 8 |     pub authors: Vec<Author>
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Paper` has derived impls for the traits `Debug` and `Clone`, 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: fields `name` and `search_link` are never read
[INFO] [stdout]  --> src/author.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Author {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub search_link: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Author` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_surname` is never used
[INFO] [stdout]   --> src/author.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Author {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 12 |     
[INFO] [stdout] 13 |     pub fn get_surname(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.58s
[INFO] running `Command { std: "docker" "inspect" "43ca22cf8d8cb66c2c8639391c44b61bbf09c3629ecb10b42640d5dfad21e8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ca22cf8d8cb66c2c8639391c44b61bbf09c3629ecb10b42640d5dfad21e8a2", kill_on_drop: false }`
[INFO] [stdout] 43ca22cf8d8cb66c2c8639391c44b61bbf09c3629ecb10b42640d5dfad21e8a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 558abe42e60011c6aef65ca6482cdf6508ca14a9471533aa93c8e5fc0f900c23
[INFO] running `Command { std: "docker" "start" "-a" "558abe42e60011c6aef65ca6482cdf6508ca14a9471533aa93c8e5fc0f900c23", kill_on_drop: false }`
[INFO] [stderr]    Compiling arxiv_degree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/scrape.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{author::Author, paper::{self, Paper}};
[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: `element_ref::Select`
[INFO] [stdout]  --> src/scrape.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use scraper::{self, element_ref::Select};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Paper`
[INFO] [stdout]  --> src/author.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::paper::{Paper};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Author`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use author::{Author};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `authors`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let authors = get_authors("J.+W.+Petley");
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authors`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `daily_authors`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let daily_authors = daily_authors();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_daily_authors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `daily_papers`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let daily_papers = daily_papers();
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_daily_papers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `id`, `first_author`, and `authors` are never read
[INFO] [stdout]  --> src/paper.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Paper {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub id: String,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 7 |     pub first_author: Author,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 8 |     pub authors: Vec<Author>
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Paper` has derived impls for the traits `Debug` and `Clone`, 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: fields `name` and `search_link` are never read
[INFO] [stdout]  --> src/author.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Author {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |     pub search_link: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Author` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_surname` is never used
[INFO] [stdout]   --> src/author.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Author {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 12 |     
[INFO] [stdout] 13 |     pub fn get_surname(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "558abe42e60011c6aef65ca6482cdf6508ca14a9471533aa93c8e5fc0f900c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558abe42e60011c6aef65ca6482cdf6508ca14a9471533aa93c8e5fc0f900c23", kill_on_drop: false }`
[INFO] [stdout] 558abe42e60011c6aef65ca6482cdf6508ca14a9471533aa93c8e5fc0f900c23