[INFO] cloning repository https://github.com/raimon49/rust-call-c-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raimon49/rust-call-c-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-call-c-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-call-c-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f85e72f811a6a58fab76cbfb99f4463b275f46be
[INFO] checking raimon49/rust-call-c-study against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-call-c-study" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raimon49/rust-call-c-study on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raimon49/rust-call-c-study
[INFO] finished tweaking git repo https://github.com/raimon49/rust-call-c-study
[INFO] tweaked toml for git repo https://github.com/raimon49/rust-call-c-study written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/raimon49/rust-call-c-study 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faea17a84b2603e7e85f73246400103067d8697259bfbb5a8ff509000270fc31
[INFO] running `Command { std: "docker" "start" "-a" "faea17a84b2603e7e85f73246400103067d8697259bfbb5a8ff509000270fc31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faea17a84b2603e7e85f73246400103067d8697259bfbb5a8ff509000270fc31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faea17a84b2603e7e85f73246400103067d8697259bfbb5a8ff509000270fc31", kill_on_drop: false }`
[INFO] [stdout] faea17a84b2603e7e85f73246400103067d8697259bfbb5a8ff509000270fc31
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 592c457322e8d30e13b071748a2fcff468ae6aa9ab7ca2bbe421f63404623c18
[INFO] running `Command { std: "docker" "start" "-a" "592c457322e8d30e13b071748a2fcff468ae6aa9ab7ca2bbe421f63404623c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking rust-call-c-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `code` and `class` are never read
[INFO] [stdout]   --> src/git/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 9  |     code: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     message: String,
[INFO] [stdout] 11 |     class: i32
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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] [stdout] warning: fields `code` and `class` are never read
[INFO] [stdout]   --> src/git/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 9  |     code: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     message: String,
[INFO] [stdout] 11 |     class: i32
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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] [stdout] warning: the type `git_oid` does not permit being left uninitialized
[INFO] [stdout]    --> src/git/mod.rs:151:27
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let mut oid = MaybeUninit::uninit().assume_init(); // まったく初期化されていない任意の型を返す
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this code causes undefined behavior when executed
[INFO] [stdout]     |                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/git/raw.rs:43:5
[INFO] [stdout]     |
[INFO] [stdout] 43  |     pub id: [c_uchar; 20]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `git_oid` does not permit being left uninitialized
[INFO] [stdout]    --> src/git/mod.rs:151:27
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let mut oid = MaybeUninit::uninit().assume_init(); // まったく初期化されていない任意の型を返す
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this code causes undefined behavior when executed
[INFO] [stdout]     |                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/git/raw.rs:43:5
[INFO] [stdout]     |
[INFO] [stdout] 43  |     pub id: [c_uchar; 20]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "592c457322e8d30e13b071748a2fcff468ae6aa9ab7ca2bbe421f63404623c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592c457322e8d30e13b071748a2fcff468ae6aa9ab7ca2bbe421f63404623c18", kill_on_drop: false }`
[INFO] [stdout] 592c457322e8d30e13b071748a2fcff468ae6aa9ab7ca2bbe421f63404623c18