[INFO] cloning repository https://github.com/danzong-dan/Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danzong-dan/Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanzong-dan%2FRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanzong-dan%2FRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8eb19d379c00d7a1d8ed62c7b9c247e3aca00c43
[INFO] checking danzong-dan/Rust against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanzong-dan%2FRust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danzong-dan/Rust on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danzong-dan/Rust
[INFO] finished tweaking git repo https://github.com/danzong-dan/Rust
[INFO] tweaked toml for git repo https://github.com/danzong-dan/Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/danzong-dan/Rust 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 750547d21e2f7aadc8377fe8253947ecc525b62c13fb006546dc3ae1b3be5762
[INFO] running `Command { std: "docker" "start" "-a" "750547d21e2f7aadc8377fe8253947ecc525b62c13fb006546dc3ae1b3be5762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "750547d21e2f7aadc8377fe8253947ecc525b62c13fb006546dc3ae1b3be5762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750547d21e2f7aadc8377fe8253947ecc525b62c13fb006546dc3ae1b3be5762", kill_on_drop: false }`
[INFO] [stdout] 750547d21e2f7aadc8377fe8253947ecc525b62c13fb006546dc3ae1b3be5762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5b09a7f8aed3663f25092010c13cf00176997f606da231a9fd6715bdb0b947e
[INFO] running `Command { std: "docker" "start" "-a" "e5b09a7f8aed3663f25092010c13cf00176997f606da231a9fd6715bdb0b947e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:112:19
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn mul(&self, b: &BigInt) -> BigInt {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn div(&self, b: &BigInt) -> BigInt {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sign` is never used
[INFO] [stdout]  --> src/lib.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Sign {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sign` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BigInt` is never constructed
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BigInt {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BigInt` 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: multiple associated items are never used
[INFO] [stdout]    --> src/lib.rs:17:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl BigInt {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 17  |     fn new() -> BigInt {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24  |     fn from(s: &str) -> Result<BigInt, &'static str> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45  |     fn to_string(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57  |     fn add(&self, b: &BigInt) -> BigInt {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 83  |     fn sub(&self, b: &BigInt) -> BigInt {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn mul(&self, b: &BigInt) -> BigInt {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn div(&self, b: &BigInt) -> BigInt {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn cmp_abs(&self, other: &BigInt) -> Ordering {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn sub_abs(&self, other: &BigInt) -> BigInt {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn normalize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:112:19
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn mul(&self, b: &BigInt) -> BigInt {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[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/rust_project-a000f5dc7df06df8.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rust_project-a000f5dc7df06df8/dep-lib-rust_project`
[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 `rust_project` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/8a65ee08296b36342bf7c3cdc15312ccbc357227/bin/rustc --crate-name rust_project --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=f69a291d7508af05 -C extra-filename=-3d330990d96d0709 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e5b09a7f8aed3663f25092010c13cf00176997f606da231a9fd6715bdb0b947e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b09a7f8aed3663f25092010c13cf00176997f606da231a9fd6715bdb0b947e", kill_on_drop: false }`
[INFO] [stdout] e5b09a7f8aed3663f25092010c13cf00176997f606da231a9fd6715bdb0b947e