[INFO] cloning repository https://github.com/saurabhghatnekar/Rust101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saurabhghatnekar/Rust101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaurabhghatnekar%2FRust101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaurabhghatnekar%2FRust101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e6b3cdb8b21a25c0fe594d16e7283b47caf0c89
[INFO] checking saurabhghatnekar/Rust101 against master#e08b80c0fb7667bdcd040761891701e576c42ec8 for pr-129021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaurabhghatnekar%2FRust101" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saurabhghatnekar/Rust101 on toolchain e08b80c0fb7667bdcd040761891701e576c42ec8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saurabhghatnekar/Rust101
[INFO] finished tweaking git repo https://github.com/saurabhghatnekar/Rust101
[INFO] tweaked toml for git repo https://github.com/saurabhghatnekar/Rust101 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/saurabhghatnekar/Rust101 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" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9809089d690e232053b7cec8d1375e105bcc404a57246b68174364e04160c9b6
[INFO] running `Command { std: "docker" "start" "-a" "9809089d690e232053b7cec8d1375e105bcc404a57246b68174364e04160c9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9809089d690e232053b7cec8d1375e105bcc404a57246b68174364e04160c9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9809089d690e232053b7cec8d1375e105bcc404a57246b68174364e04160c9b6", kill_on_drop: false }`
[INFO] [stdout] 9809089d690e232053b7cec8d1375e105bcc404a57246b68174364e04160c9b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40cfcb4aaa144458c32dae7cc3cd0146c4df70de70b73c2fa3f6d05fa71d18d3
[INFO] running `Command { std: "docker" "start" "-a" "40cfcb4aaa144458c32dae7cc3cd0146c4df70de70b73c2fa3f6d05fa71d18d3", kill_on_drop: false }`
[INFO] [stderr]     Checking Rust101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `person`
[INFO] [stdout]   --> src/bin/task_1.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let person = Person { name: "Billy".to_owned(), age: 21 };
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_person`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `library`
[INFO] [stdout]   --> src/bin/task_1.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let library = Library {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_library`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> src/bin/task_1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 2 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     age: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `person`
[INFO] [stdout]   --> src/bin/task_1.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let person = Person { name: "Billy".to_owned(), age: 21 };
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_person`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/Rust101-4079893d059f759c.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/Rust101-4079893d059f759c/dep-bin-Rust101`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `Rust101` (bin "task_1" test); 3 warnings emitted
[INFO] [stderr] error: could not compile `Rust101` (bin "task_1"); 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "40cfcb4aaa144458c32dae7cc3cd0146c4df70de70b73c2fa3f6d05fa71d18d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40cfcb4aaa144458c32dae7cc3cd0146c4df70de70b73c2fa3f6d05fa71d18d3", kill_on_drop: false }`
[INFO] [stdout] 40cfcb4aaa144458c32dae7cc3cd0146c4df70de70b73c2fa3f6d05fa71d18d3