[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 try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalpshah284%2Fhello-Rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kalpshah284/hello-Rust on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91d6383631fa7215ba518e852461cc59f93452870281613d591cf70433bec840
[INFO] running `Command { std: "docker" "start" "-a" "91d6383631fa7215ba518e852461cc59f93452870281613d591cf70433bec840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d6383631fa7215ba518e852461cc59f93452870281613d591cf70433bec840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d6383631fa7215ba518e852461cc59f93452870281613d591cf70433bec840", kill_on_drop: false }`
[INFO] [stdout] 91d6383631fa7215ba518e852461cc59f93452870281613d591cf70433bec840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71489056b6884fc1dc27e163b2e4ee89910569e83ff02e0f5639dfc438ce9eb1
[INFO] running `Command { std: "docker" "start" "-a" "71489056b6884fc1dc27e163b2e4ee89910569e83ff02e0f5639dfc438ce9eb1", 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 0.42s
[INFO] running `Command { std: "docker" "inspect" "71489056b6884fc1dc27e163b2e4ee89910569e83ff02e0f5639dfc438ce9eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71489056b6884fc1dc27e163b2e4ee89910569e83ff02e0f5639dfc438ce9eb1", kill_on_drop: false }`
[INFO] [stdout] 71489056b6884fc1dc27e163b2e4ee89910569e83ff02e0f5639dfc438ce9eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fe4fbd0e65bcec78d25f00704ca03ba1c63f566b9090a7480ab6e3ed14f4676
[INFO] running `Command { std: "docker" "start" "-a" "7fe4fbd0e65bcec78d25f00704ca03ba1c63f566b9090a7480ab6e3ed14f4676", 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 0.48s
[INFO] running `Command { std: "docker" "inspect" "7fe4fbd0e65bcec78d25f00704ca03ba1c63f566b9090a7480ab6e3ed14f4676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe4fbd0e65bcec78d25f00704ca03ba1c63f566b9090a7480ab6e3ed14f4676", kill_on_drop: false }`
[INFO] [stdout] 7fe4fbd0e65bcec78d25f00704ca03ba1c63f566b9090a7480ab6e3ed14f4676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 637c6539711cc2470c7eab5957dfb3bddbfd28cdb343be4961cc644bd1753008
[INFO] running `Command { std: "docker" "start" "-a" "637c6539711cc2470c7eab5957dfb3bddbfd28cdb343be4961cc644bd1753008", 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 0.02s
[INFO] [stderr]      Running unittests src/bin/Array.rs (/opt/rustwide/target/debug/deps/Array-132a43bf11f2d869)
[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-c4ea7ddbb4bbfb20)
[INFO] [stderr]      Running unittests src/bin/print.rs (/opt/rustwide/target/debug/deps/print-543a0f51f9039750)
[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] [stderr]      Running unittests src/bin/scaler.rs (/opt/rustwide/target/debug/deps/scaler-8b20be60ed58f89c)
[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-629133e26f1370a6)
[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-2e3b1782cd673627)
[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/tuple.rs (/opt/rustwide/target/debug/deps/tuple-a855cffcffa71f23)
[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/variable.rs (/opt/rustwide/target/debug/deps/variable-f1aaa6822199126d)
[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" "637c6539711cc2470c7eab5957dfb3bddbfd28cdb343be4961cc644bd1753008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637c6539711cc2470c7eab5957dfb3bddbfd28cdb343be4961cc644bd1753008", kill_on_drop: false }`
[INFO] [stdout] 637c6539711cc2470c7eab5957dfb3bddbfd28cdb343be4961cc644bd1753008
