[INFO] cloning repository https://github.com/akitaonrails/rust_ruby_exercise_1 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akitaonrails/rust_ruby_exercise_1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitaonrails%2Frust_ruby_exercise_1", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitaonrails%2Frust_ruby_exercise_1'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 58dc0451b9de11e2568427c119faa05b860907ab [INFO] checking akitaonrails/rust_ruby_exercise_1 against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitaonrails%2Frust_ruby_exercise_1" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/akitaonrails/rust_ruby_exercise_1 on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/akitaonrails/rust_ruby_exercise_1 [INFO] finished tweaking git repo https://github.com/akitaonrails/rust_ruby_exercise_1 [INFO] tweaked toml for git repo https://github.com/akitaonrails/rust_ruby_exercise_1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/akitaonrails/rust_ruby_exercise_1 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d1c8a68747723710c1f241b73bad37bd03e27fc9601d89e1b67545ad096951f [INFO] running `Command { std: "docker" "start" "-a" "0d1c8a68747723710c1f241b73bad37bd03e27fc9601d89e1b67545ad096951f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d1c8a68747723710c1f241b73bad37bd03e27fc9601d89e1b67545ad096951f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d1c8a68747723710c1f241b73bad37bd03e27fc9601d89e1b67545ad096951f", kill_on_drop: false }` [INFO] [stdout] 0d1c8a68747723710c1f241b73bad37bd03e27fc9601d89e1b67545ad096951f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48e395ecd29367a70f42d1166d4c6fa22e89cad7405f3f718cb048d2460063c7 [INFO] running `Command { std: "docker" "start" "-a" "48e395ecd29367a70f42d1166d4c6fa22e89cad7405f3f718cb048d2460063c7", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling gcc v0.3.6 [INFO] [stderr] Compiling libc v0.1.8 [INFO] [stderr] Compiling pkg-config v0.3.4 [INFO] [stderr] Checking enum-set v0.0.5 [INFO] [stderr] Compiling tar v0.2.13 [INFO] [stderr] Checking log v0.3.1 [INFO] [stderr] Compiling bzip2-sys v0.1.2 [INFO] [stderr] Compiling bzip2 v0.2.3 [INFO] [stderr] Compiling libpcre-sys v0.1.0 [INFO] [stderr] Checking pcre v0.1.0 [INFO] [stderr] Checking actors v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::slice::::connect`: renamed to join [INFO] [stdout] --> src/lib.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | actors.connect("\n") [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 63 - actors.connect("\n") [INFO] [stdout] 63 + actors.join("\n") [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::slice::::connect`: renamed to join [INFO] [stdout] --> src/lib.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | actors.connect("\n") [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 63 - actors.connect("\n") [INFO] [stdout] 63 + actors.join("\n") [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `CString` will be dropped [INFO] [stdout] --> src/lib.rs:25:35 [INFO] [stdout] | [INFO] [stdout] 25 | CString::new(result).unwrap().as_ptr() [INFO] [stdout] | ----------------------------- ^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `CString` will be dropped [INFO] [stdout] --> src/lib.rs:25:35 [INFO] [stdout] | [INFO] [stdout] 25 | CString::new(result).unwrap().as_ptr() [INFO] [stdout] | ----------------------------- ^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `CString` to lives at least as long as the pointer returned by the call to `as_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `CString` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `Command { std: "docker" "inspect" "48e395ecd29367a70f42d1166d4c6fa22e89cad7405f3f718cb048d2460063c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48e395ecd29367a70f42d1166d4c6fa22e89cad7405f3f718cb048d2460063c7", kill_on_drop: false }` [INFO] [stdout] 48e395ecd29367a70f42d1166d4c6fa22e89cad7405f3f718cb048d2460063c7