[INFO] cloning repository https://github.com/hojinahn4234/struct_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hojinahn4234/struct_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhojinahn4234%2Fstruct_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhojinahn4234%2Fstruct_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57d8c0e21880e16ef482f8b18002df5e97f701ab
[INFO] testing hojinahn4234/struct_tutorial against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhojinahn4234%2Fstruct_tutorial" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hojinahn4234/struct_tutorial on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hojinahn4234/struct_tutorial
[INFO] finished tweaking git repo https://github.com/hojinahn4234/struct_tutorial
[INFO] tweaked toml for git repo https://github.com/hojinahn4234/struct_tutorial written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hojinahn4234/struct_tutorial 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 938abbfae0ba3be7b6895cdda760e776eced55a906d5a4c90bf9c6625ac6db07
[INFO] running `Command { std: "docker" "start" "-a" "938abbfae0ba3be7b6895cdda760e776eced55a906d5a4c90bf9c6625ac6db07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "938abbfae0ba3be7b6895cdda760e776eced55a906d5a4c90bf9c6625ac6db07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938abbfae0ba3be7b6895cdda760e776eced55a906d5a4c90bf9c6625ac6db07", kill_on_drop: false }`
[INFO] [stdout] 938abbfae0ba3be7b6895cdda760e776eced55a906d5a4c90bf9c6625ac6db07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a8ba78d5bb03a6ebc3eeebdc6c269c1b5cf8666bc6c2273a6a70a72cba31b8
[INFO] running `Command { std: "docker" "start" "-a" "b7a8ba78d5bb03a6ebc3eeebdc6c269c1b5cf8666bc6c2273a6a70a72cba31b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let scale = 2;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `square`
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let square = Rectangle::square(30);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "b7a8ba78d5bb03a6ebc3eeebdc6c269c1b5cf8666bc6c2273a6a70a72cba31b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a8ba78d5bb03a6ebc3eeebdc6c269c1b5cf8666bc6c2273a6a70a72cba31b8", kill_on_drop: false }`
[INFO] [stdout] b7a8ba78d5bb03a6ebc3eeebdc6c269c1b5cf8666bc6c2273a6a70a72cba31b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31a647e37c265ddaa323c56abde8ee568f0c041519c9622a882725cc61111323
[INFO] running `Command { std: "docker" "start" "-a" "31a647e37c265ddaa323c56abde8ee568f0c041519c9622a882725cc61111323", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let scale = 2;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `square`
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let square = Rectangle::square(30);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "31a647e37c265ddaa323c56abde8ee568f0c041519c9622a882725cc61111323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a647e37c265ddaa323c56abde8ee568f0c041519c9622a882725cc61111323", kill_on_drop: false }`
[INFO] [stdout] 31a647e37c265ddaa323c56abde8ee568f0c041519c9622a882725cc61111323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd948a670b4bae515e940e11a698021c0171a6407b055bac8e5b4d83a8244bd5
[INFO] running `Command { std: "docker" "start" "-a" "cd948a670b4bae515e940e11a698021c0171a6407b055bac8e5b4d83a8244bd5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `scale`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let scale = 2;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `square`
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let square = Rectangle::square(30);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stderr] 
[INFO] [stderr] warning: `struct_tutorial` (bin "struct_tutorial" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/struct_tutorial-aaec53d21666169a)
[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" "cd948a670b4bae515e940e11a698021c0171a6407b055bac8e5b4d83a8244bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd948a670b4bae515e940e11a698021c0171a6407b055bac8e5b4d83a8244bd5", kill_on_drop: false }`
[INFO] [stdout] cd948a670b4bae515e940e11a698021c0171a6407b055bac8e5b4d83a8244bd5