[INFO] cloning repository https://github.com/1000VICKY/shift_jis_with_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1000VICKY/shift_jis_with_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1000VICKY%2Fshift_jis_with_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1000VICKY%2Fshift_jis_with_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abc9a806f9469206b452914b9c1ea34b63832810
[INFO] checking 1000VICKY/shift_jis_with_Rust against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1000VICKY%2Fshift_jis_with_Rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/1000VICKY/shift_jis_with_Rust
[INFO] finished tweaking git repo https://github.com/1000VICKY/shift_jis_with_Rust
[INFO] tweaked toml for git repo https://github.com/1000VICKY/shift_jis_with_Rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1000VICKY/shift_jis_with_Rust on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1000VICKY/shift_jis_with_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" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded printf v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 336b7ebc72982853e1c50d95dfe9276df1e48908c075d80e698a5d0133de2daa
[INFO] running `Command { std: "docker" "start" "-a" "336b7ebc72982853e1c50d95dfe9276df1e48908c075d80e698a5d0133de2daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "336b7ebc72982853e1c50d95dfe9276df1e48908c075d80e698a5d0133de2daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336b7ebc72982853e1c50d95dfe9276df1e48908c075d80e698a5d0133de2daa", kill_on_drop: false }`
[INFO] [stdout] 336b7ebc72982853e1c50d95dfe9276df1e48908c075d80e698a5d0133de2daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77dd19eaf551a1ddafb33ccd3ee08d0da30abc20b4232584ca064037615b315e
[INFO] running `Command { std: "docker" "start" "-a" "77dd19eaf551a1ddafb33ccd3ee08d0da30abc20b4232584ca064037615b315e", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling printf v0.1.0
[INFO] [stderr]     Checking shift_jis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Write
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         /// panicせずにエラーのみを表示
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |         if (to_print.is_ok() == true) {
[INFO] [stdout]     |            ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -         if (to_print.is_ok() == true) {
[INFO] [stdout] 110 +         if to_print.is_ok() == true {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 44 |     println!("Hello, world!");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |             return output_size;
[INFO] [stdout]     |             ------------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 116 |         return -1;
[INFO] [stdout]     |         ^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Write
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         /// panicせずにエラーのみを表示
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |         if (to_print.is_ok() == true) {
[INFO] [stdout]     |            ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -         if (to_print.is_ok() == true) {
[INFO] [stdout] 110 +         if to_print.is_ok() == true {
[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/main.rs:81:76
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let c_string : *const c_char = CString :: new (percent_s).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 <https://doc.rust-lang.org/reference/destructors.html>
[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/main.rs:84:113
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...void_pointer = CString:: new ("32473048302583284932aiueo".to_string().as_bytes().to_vec()).unwrap().as_ptr() as *mut std::os::raw...
[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 <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 44 |     println!("Hello, world!");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |             return output_size;
[INFO] [stdout]     |             ------------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 116 |         return -1;
[INFO] [stdout]     |         ^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `puts` is never used
[INFO] [stdout]   --> src/main.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |             fn puts(s: *const c_char) -> c_int;
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/main.rs:81:76
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let c_string : *const c_char = CString :: new (percent_s).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 <https://doc.rust-lang.org/reference/destructors.html>
[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/main.rs:84:113
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...void_pointer = CString:: new ("32473048302583284932aiueo".to_string().as_bytes().to_vec()).unwrap().as_ptr() as *mut std::os::raw...
[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 <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "77dd19eaf551a1ddafb33ccd3ee08d0da30abc20b4232584ca064037615b315e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77dd19eaf551a1ddafb33ccd3ee08d0da30abc20b4232584ca064037615b315e", kill_on_drop: false }`
[INFO] [stdout] 77dd19eaf551a1ddafb33ccd3ee08d0da30abc20b4232584ca064037615b315e
