[INFO] cloning repository https://github.com/kalpshah284/hello-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kalpshah284/hello-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalpshah284%2Fhello-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalpshah284%2Fhello-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4b401f399ad488d340629a1ab1e0f6a53304ceb
[INFO] testing kalpshah284/hello-Rust against 1.99.0-beta.8 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalpshah284%2Fhello-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/kalpshah284/hello-Rust
[INFO] finished tweaking git repo https://github.com/kalpshah284/hello-Rust
[INFO] tweaked toml for git repo https://github.com/kalpshah284/hello-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kalpshah284/hello-Rust on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kalpshah284/hello-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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9
[INFO] running `Command { std: "docker" "start" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `ususe`
[INFO] [stdout]  --> src/bin/tuple.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(ususe)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/bin/tuple.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (a, b, c) = t;
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/bin/tuple.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (a, b, c) = t;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/bin/tuple.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (a, b, c) = t;
[INFO] [stdout]   |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/tuple.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (_, b, _) = t;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/bin/tuple.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let t = ();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `ususe`
[INFO] [stdout]  --> src/bin/tuple.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(ususe)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/bin/tuple.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (a, b, c) = t;
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/bin/tuple.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (a, b, c) = t;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/bin/tuple.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (a, b, c) = t;
[INFO] [stdout]   |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/tuple.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (_, b, _) = t;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/bin/tuple.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let t = ();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unknown lint: `ususe`
[INFO] [stderr]  --> src/bin/tuple.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![allow(ususe)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> src/bin/tuple.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let (a, b, c) = t;
[INFO] [stderr]   |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]  --> src/bin/tuple.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let (a, b, c) = t;
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]  --> src/bin/tuple.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let (a, b, c) = t;
[INFO] [stderr]   |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/bin/tuple.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (_, b, _) = t;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/bin/tuple.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let t = ();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: `hello-Rust` (bin "tuple" test) generated 6 warnings (run `cargo fix --bin "tuple" -p hello-Rust --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/bin/Array.rs (/opt/rustwide/target/debug/deps/Array-f72ca76a57536c05)
[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] [stderr]      Running unittests src/bin/hello.rs (/opt/rustwide/target/debug/deps/hello-bf67b2be5e25b212)
[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] [stderr]      Running unittests src/bin/print.rs (/opt/rustwide/target/debug/deps/print-978c19c034a26085)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/scaler.rs (/opt/rustwide/target/debug/deps/scaler-a02e2a0335cb7442)
[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] [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] [stderr]      Running unittests src/bin/string.rs (/opt/rustwide/target/debug/deps/string-2e3c6d49aabb8495)
[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] [stderr]      Running unittests src/bin/struct.rs (/opt/rustwide/target/debug/deps/struct-19c697b25f00eb2f)
[INFO] [stdout] 
[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] [stderr]      Running unittests src/bin/tuple.rs (/opt/rustwide/target/debug/deps/tuple-94b7c95c095c3091)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/variable.rs (/opt/rustwide/target/debug/deps/variable-e72d187bf6194eba)
[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] [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" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9", kill_on_drop: false }`
[INFO] [stdout] e2eb4d2788d400f2ca6485a46329b8378914d9b2358ba70fd60745ebe73b57f9
