[INFO] cloning repository https://github.com/muhammad-soleh/rust_tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muhammad-soleh/rust_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhammad-soleh%2Frust_tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhammad-soleh%2Frust_tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0bb290bfa15ded8207bc3e3352384a2dd26321e6 [INFO] testing muhammad-soleh/rust_tutorial against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhammad-soleh%2Frust_tutorial" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/muhammad-soleh/rust_tutorial [INFO] finished tweaking git repo https://github.com/muhammad-soleh/rust_tutorial [INFO] tweaked toml for git repo https://github.com/muhammad-soleh/rust_tutorial written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/muhammad-soleh/rust_tutorial on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/muhammad-soleh/rust_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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db9c0b5d4840819649e8933eb6b2667fa17ee16c03903294ed1a6501167d84c4 [INFO] running `Command { std: "docker" "start" "-a" "db9c0b5d4840819649e8933eb6b2667fa17ee16c03903294ed1a6501167d84c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db9c0b5d4840819649e8933eb6b2667fa17ee16c03903294ed1a6501167d84c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db9c0b5d4840819649e8933eb6b2667fa17ee16c03903294ed1a6501167d84c4", kill_on_drop: false }` [INFO] [stdout] db9c0b5d4840819649e8933eb6b2667fa17ee16c03903294ed1a6501167d84c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4643cfff5dc6fae580a20cd8b06118ffad97245ec30cae3e0fdea8d1dba3c394 [INFO] running `Command { std: "docker" "start" "-a" "4643cfff5dc6fae580a20cd8b06118ffad97245ec30cae3e0fdea8d1dba3c394", kill_on_drop: false }` [INFO] [stderr] Compiling hello-world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s2` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let s2 = s1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string1` [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let string1 = gives_ownership(); // func akan mereturn value into string1 [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string3` [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let string3 = takes_and_gives_back(string2); // string 2 akan dipindahkan ke func dan akan di return kembali nilai nya ke string 3 [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let r1 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let r2 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 3 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | height: u32 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "4643cfff5dc6fae580a20cd8b06118ffad97245ec30cae3e0fdea8d1dba3c394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4643cfff5dc6fae580a20cd8b06118ffad97245ec30cae3e0fdea8d1dba3c394", kill_on_drop: false }` [INFO] [stdout] 4643cfff5dc6fae580a20cd8b06118ffad97245ec30cae3e0fdea8d1dba3c394 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4fd9c23fb975b4000e20020a1832f357cb5aee220132810fe633435dec866299 [INFO] running `Command { std: "docker" "start" "-a" "4fd9c23fb975b4000e20020a1832f357cb5aee220132810fe633435dec866299", kill_on_drop: false }` [INFO] [stderr] Compiling hello-world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s2` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let s2 = s1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string1` [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let string1 = gives_ownership(); // func akan mereturn value into string1 [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string3` [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let string3 = takes_and_gives_back(string2); // string 2 akan dipindahkan ke func dan akan di return kembali nilai nya ke string 3 [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let r1 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let r2 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 3 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | height: u32 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "4fd9c23fb975b4000e20020a1832f357cb5aee220132810fe633435dec866299", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fd9c23fb975b4000e20020a1832f357cb5aee220132810fe633435dec866299", kill_on_drop: false }` [INFO] [stdout] 4fd9c23fb975b4000e20020a1832f357cb5aee220132810fe633435dec866299 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] ed99b466491403e3f2e6a3b7d3bcd44342e0dbecd093749b9c856bfa33ecea98 [INFO] running `Command { std: "docker" "start" "-a" "ed99b466491403e3f2e6a3b7d3bcd44342e0dbecd093749b9c856bfa33ecea98", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `s2` [INFO] [stderr] --> src/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let s2 = s1; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `string1` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let string1 = gives_ownership(); // func akan mereturn value into string1 [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `string3` [INFO] [stderr] --> src/main.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let string3 = takes_and_gives_back(string2); // string 2 akan dipindahkan ke func dan akan di return kembali nilai nya ke string 3 [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let r1 = &s; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r2` [INFO] [stderr] --> src/main.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | let r2 = &s; [INFO] [stdout] [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] running 0 tests [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: fields `width` and `height` are never read [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] 2 | struct Rectangle { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 3 | width: u32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 4 | height: u32 [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `hello-world` (bin "hello-world" test) generated 6 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hello_world-260ce7b6821dba00) [INFO] running `Command { std: "docker" "inspect" "ed99b466491403e3f2e6a3b7d3bcd44342e0dbecd093749b9c856bfa33ecea98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed99b466491403e3f2e6a3b7d3bcd44342e0dbecd093749b9c856bfa33ecea98", kill_on_drop: false }` [INFO] [stdout] ed99b466491403e3f2e6a3b7d3bcd44342e0dbecd093749b9c856bfa33ecea98