[INFO] cloning repository https://github.com/iamveekthorr/learning-struct-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamveekthorr/learning-struct-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamveekthorr%2Flearning-struct-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamveekthorr%2Flearning-struct-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42adb39e8c8c538297c34432b13cbb6f4d6d7060
[INFO] testing iamveekthorr/learning-struct-in-rust against 1.95.0 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamveekthorr%2Flearning-struct-in-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iamveekthorr/learning-struct-in-rust
[INFO] finished tweaking git repo https://github.com/iamveekthorr/learning-struct-in-rust
[INFO] tweaked toml for git repo https://github.com/iamveekthorr/learning-struct-in-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iamveekthorr/learning-struct-in-rust on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iamveekthorr/learning-struct-in-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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c46c1064d52f2a0731af544b5eceb2e57069c856180a6b1815cfebfac85066f
[INFO] running `Command { std: "docker" "start" "-a" "1c46c1064d52f2a0731af544b5eceb2e57069c856180a6b1815cfebfac85066f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c46c1064d52f2a0731af544b5eceb2e57069c856180a6b1815cfebfac85066f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c46c1064d52f2a0731af544b5eceb2e57069c856180a6b1815cfebfac85066f", kill_on_drop: false }`
[INFO] [stdout] 1c46c1064d52f2a0731af544b5eceb2e57069c856180a6b1815cfebfac85066f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8fc42adca69642057942c57e700e79c77890be5c9ff23e0b2304312e941225a
[INFO] running `Command { std: "docker" "start" "-a" "b8fc42adca69642057942c57e700e79c77890be5c9ff23e0b2304312e941225a", kill_on_drop: false }`
[INFO] [stderr]    Compiling area_of_rectangle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `square`
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let square = Rectangle::square(3);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "b8fc42adca69642057942c57e700e79c77890be5c9ff23e0b2304312e941225a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fc42adca69642057942c57e700e79c77890be5c9ff23e0b2304312e941225a", kill_on_drop: false }`
[INFO] [stdout] b8fc42adca69642057942c57e700e79c77890be5c9ff23e0b2304312e941225a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19e7c7eb559a790706130aa528c272bcececb1fae7826e2f20ca4304b02f26a1
[INFO] running `Command { std: "docker" "start" "-a" "19e7c7eb559a790706130aa528c272bcececb1fae7826e2f20ca4304b02f26a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling area_of_rectangle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `square`
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let square = Rectangle::square(3);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "19e7c7eb559a790706130aa528c272bcececb1fae7826e2f20ca4304b02f26a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e7c7eb559a790706130aa528c272bcececb1fae7826e2f20ca4304b02f26a1", kill_on_drop: false }`
[INFO] [stdout] 19e7c7eb559a790706130aa528c272bcececb1fae7826e2f20ca4304b02f26a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83204ab2af290abd4b9a0fa8ab65b1e38a86c5f97e47305b7ca09123ca7ebdf3
[INFO] running `Command { std: "docker" "start" "-a" "83204ab2af290abd4b9a0fa8ab65b1e38a86c5f97e47305b7ca09123ca7ebdf3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `square`
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let square = Rectangle::square(3);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `area_of_rectangle` (bin "area_of_rectangle" test) generated 1 warning (run `cargo fix --bin "area_of_rectangle" -p area_of_rectangle --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/area_of_rectangle-e0c0b912fbf5d5da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83204ab2af290abd4b9a0fa8ab65b1e38a86c5f97e47305b7ca09123ca7ebdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83204ab2af290abd4b9a0fa8ab65b1e38a86c5f97e47305b7ca09123ca7ebdf3", kill_on_drop: false }`
[INFO] [stdout] 83204ab2af290abd4b9a0fa8ab65b1e38a86c5f97e47305b7ca09123ca7ebdf3