[INFO] cloning repository https://github.com/stableversion/LastFM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stableversion/LastFM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstableversion%2FLastFM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstableversion%2FLastFM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25185241da918961e8d576e335f3f30bd0ecd573
[INFO] checking stableversion/LastFM against master#89b9f7b284aacc5f8613438b80e4dd7bdd10549e for pr-92594
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstableversion%2FLastFM" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stableversion/LastFM on toolchain 89b9f7b284aacc5f8613438b80e4dd7bdd10549e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stableversion/LastFM
[INFO] finished tweaking git repo https://github.com/stableversion/LastFM
[INFO] tweaked toml for git repo https://github.com/stableversion/LastFM written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/stableversion/LastFM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "0d8a5cd84750d753a06d0fdfb991f9a67a10ae8adc3876fd79d5aef47b51ccd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8a5cd84750d753a06d0fdfb991f9a67a10ae8adc3876fd79d5aef47b51ccd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8a5cd84750d753a06d0fdfb991f9a67a10ae8adc3876fd79d5aef47b51ccd8", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "ad0d6ef8e80a4f7eb515ac93ba560d51493fd170ac7cb670cde81397a0d310c8", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Artist` should have a snake case name
[INFO] [stdout]    --> src/main.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let Artist = format!("{}", track.artist["#text"]);
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `artist`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Track` should have a snake case name
[INFO] [stdout]    --> src/main.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let Track = format!("{}", track.name);
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `track`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Date` should have a snake case name
[INFO] [stdout]    --> src/main.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let Date = format!("{}", track.date["#text"]);
[INFO] [stdout]     |             ^^^^ help: convert the identifier to snake case: `date`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Artist` should have a snake case name
[INFO] [stdout]    --> src/main.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let Artist = format!("{}", track.artist["#text"]);
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `artist`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Track` should have a snake case name
[INFO] [stdout]    --> src/main.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let Track = format!("{}", track.name);
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `track`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Date` should have a snake case name
[INFO] [stdout]    --> src/main.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let Date = format!("{}", track.date["#text"]);
[INFO] [stdout]     |             ^^^^ help: convert the identifier to snake case: `date`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         wtr.write_record(&[Artist, Track, Date]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     wtr.flush();
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `totalPages` should have a snake case name
[INFO] [stdout]    --> src/main.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     totalPages: String,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to snake case: `total_pages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         wtr.write_record(&[Artist, Track, Date]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     wtr.flush();
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `totalPages` should have a snake case name
[INFO] [stdout]    --> src/main.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     totalPages: String,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to snake case: `total_pages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 54s
[INFO] running `Command { std: "docker" "inspect" "ad0d6ef8e80a4f7eb515ac93ba560d51493fd170ac7cb670cde81397a0d310c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0d6ef8e80a4f7eb515ac93ba560d51493fd170ac7cb670cde81397a0d310c8", kill_on_drop: false }`
[INFO] [stdout] ad0d6ef8e80a4f7eb515ac93ba560d51493fd170ac7cb670cde81397a0d310c8