[INFO] cloning repository https://github.com/jkimunyi-dev/rust-adder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkimunyi-dev/rust-adder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkimunyi-dev%2Frust-adder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkimunyi-dev%2Frust-adder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f86d22c60667c6e103c6e4154d1df8cd45d37c05
[INFO] checking jkimunyi-dev/rust-adder against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkimunyi-dev%2Frust-adder" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jkimunyi-dev/rust-adder
[INFO] finished tweaking git repo https://github.com/jkimunyi-dev/rust-adder
[INFO] tweaked toml for git repo https://github.com/jkimunyi-dev/rust-adder written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jkimunyi-dev/rust-adder on toolchain ca77504943887037504c7fc0b9bf06dab3910373
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jkimunyi-dev/rust-adder 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a57b9fa90fffdc93a4177293dc2798f64276c4a26645a9dbec8abeeb682e134d
[INFO] running `Command { std: "docker" "start" "-a" "a57b9fa90fffdc93a4177293dc2798f64276c4a26645a9dbec8abeeb682e134d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57b9fa90fffdc93a4177293dc2798f64276c4a26645a9dbec8abeeb682e134d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57b9fa90fffdc93a4177293dc2798f64276c4a26645a9dbec8abeeb682e134d", kill_on_drop: false }`
[INFO] [stdout] a57b9fa90fffdc93a4177293dc2798f64276c4a26645a9dbec8abeeb682e134d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df9d723f5a274e955f8eb531a53c42354121765886f24955424ffbfc91aea518
[INFO] running `Command { std: "docker" "start" "-a" "df9d723f5a274e955f8eb531a53c42354121765886f24955424ffbfc91aea518", kill_on_drop: false }`
[INFO] [stderr]     Checking adder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/lib.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Rectangle{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]   --> src/lib.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl Rectangle{
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 57 |     fn can_hold(&self, other : &Rectangle)->bool{ // Method
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]   --> src/lib.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn greet(name : &str) ->String{
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `larger`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let larger = Rectangle{
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_larger`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adder` (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/ca77504943887037504c7fc0b9bf06dab3910373/bin/rustc --crate-name adder --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=cf905b6f143e1370 -C extra-filename=-a660a0c52ca3c005 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `adder`
[INFO] [stdout]  --> tests/intergration_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use adder;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df9d723f5a274e955f8eb531a53c42354121765886f24955424ffbfc91aea518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9d723f5a274e955f8eb531a53c42354121765886f24955424ffbfc91aea518", kill_on_drop: false }`
[INFO] [stdout] df9d723f5a274e955f8eb531a53c42354121765886f24955424ffbfc91aea518