[INFO] cloning repository https://github.com/raimon49/rust-macro-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-macro-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-macro-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-macro-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d539ea30d18dfc5476cf47c7d370626641f4919
[INFO] checking raimon49/rust-macro-study against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-macro-study" "/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/raimon49/rust-macro-study
[INFO] finished tweaking git repo https://github.com/raimon49/rust-macro-study
[INFO] tweaked toml for git repo https://github.com/raimon49/rust-macro-study written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raimon49/rust-macro-study on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raimon49/rust-macro-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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ea3ef1a72ab3e92caec6822833b0a96ee419edb3baf91a6edd3e74f129e1b609
[INFO] running `Command { std: "docker" "start" "ea3ef1a72ab3e92caec6822833b0a96ee419edb3baf91a6edd3e74f129e1b609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea3ef1a72ab3e92caec6822833b0a96ee419edb3baf91a6edd3e74f129e1b609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea3ef1a72ab3e92caec6822833b0a96ee419edb3baf91a6edd3e74f129e1b609" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea3ef1a72ab3e92caec6822833b0a96ee419edb3baf91a6edd3e74f129e1b609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea3ef1a72ab3e92caec6822833b0a96ee419edb3baf91a6edd3e74f129e1b609" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-macro-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `liballoc_internals`
[INFO] [stdout]    --> src/main.rs:23:9
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! my_vec {
[INFO] [stdout]  22 |     ($elem:expr ; $n:expr) => {
[INFO] [stdout]  23 |         ::std::vec::from_elem($elem, $n)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     let _buffer = my_vec![0_u8; 1000]; // 値を1,000回繰り返して生成
[INFO] [stdout]     |                   ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(liballoc_internals)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-10-11; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | #[recursion_limit = "256"] // 再帰呼び出しの上限回数をデフォルトの64から変更
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this attribute does not have an `!`, which means it is applied to this macro def
[INFO] [stdout]   --> src/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / macro_rules! my_assert_eq {
[INFO] [stdout]  6 | |     // パターンを定義し、パターンマッチした対象に適用するテンプレートを書く
[INFO] [stdout]  7 | |     // フラグメント型が「:expr」なので、$leftも$rightも引数に式が来ることを期待している
[INFO] [stdout]  8 | |     ($left:expr , $right:expr) => ({
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     });
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![feature]`
[INFO] [stdout]   --> src/main.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | #[feature(trace_macros)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this attribute does not have an `!`, which means it is applied to this macro def
[INFO] [stdout]   --> src/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / macro_rules! my_assert_eq {
[INFO] [stdout]  6 | |     // パターンを定義し、パターンマッチした対象に適用するテンプレートを書く
[INFO] [stdout]  7 | |     // フラグメント型が「:expr」なので、$leftも$rightも引数に式が来ることを期待している
[INFO] [stdout]  8 | |     ($left:expr , $right:expr) => ({
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     });
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-macro-study` (bin "rust-macro-study") due to 1 previous error; 2 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0658]: use of unstable library feature `liballoc_internals`
[INFO] [stdout]    --> src/main.rs:23:9
[INFO] [stdout]     |
[INFO] [stdout]  21 | macro_rules! my_vec {
[INFO] [stdout]  22 |     ($elem:expr ; $n:expr) => {
[INFO] [stdout]  23 |         ::std::vec::from_elem($elem, $n)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     let _buffer = my_vec![0_u8; 1000]; // 値を1,000回繰り返して生成
[INFO] [stdout]     |                   ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(liballoc_internals)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-10-11; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | #[recursion_limit = "256"] // 再帰呼び出しの上限回数をデフォルトの64から変更
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this attribute does not have an `!`, which means it is applied to this macro def
[INFO] [stdout]   --> src/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / macro_rules! my_assert_eq {
[INFO] [stdout]  6 | |     // パターンを定義し、パターンマッチした対象に適用するテンプレートを書く
[INFO] [stdout]  7 | |     // フラグメント型が「:expr」なので、$leftも$rightも引数に式が来ることを期待している
[INFO] [stdout]  8 | |     ($left:expr , $right:expr) => ({
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     });
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![feature]`
[INFO] [stdout]   --> src/main.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | #[feature(trace_macros)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this attribute does not have an `!`, which means it is applied to this macro def
[INFO] [stdout]   --> src/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / macro_rules! my_assert_eq {
[INFO] [stdout]  6 | |     // パターンを定義し、パターンマッチした対象に適用するテンプレートを書く
[INFO] [stdout]  7 | |     // フラグメント型が「:expr」なので、$leftも$rightも引数に式が来ることを期待している
[INFO] [stdout]  8 | |     ($left:expr , $right:expr) => ({
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     });
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-macro-study` (bin "rust-macro-study" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ea3ef1a72ab3e92caec6822833b0a96ee419edb3baf91a6edd3e74f129e1b609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3ef1a72ab3e92caec6822833b0a96ee419edb3baf91a6edd3e74f129e1b609", kill_on_drop: false }`
[INFO] [stdout] ea3ef1a72ab3e92caec6822833b0a96ee419edb3baf91a6edd3e74f129e1b609
