[INFO] cloning repository https://github.com/MathiasStadler/rust_fn_recursion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathiasStadler/rust_fn_recursion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_fn_recursion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_fn_recursion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6165846360c69ee32d14cbc20d4fefd1b7251ec5
[INFO] checking MathiasStadler/rust_fn_recursion against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_fn_recursion" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MathiasStadler/rust_fn_recursion
[INFO] finished tweaking git repo https://github.com/MathiasStadler/rust_fn_recursion
[INFO] tweaked toml for git repo https://github.com/MathiasStadler/rust_fn_recursion written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MathiasStadler/rust_fn_recursion on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MathiasStadler/rust_fn_recursion 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdext v0.3.3
[INFO] [stderr]   Downloaded cc v1.0.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "e456e21d0d5e9587901908df5fc632138cda54078bfa52867a3152e47a1c8c8a", kill_on_drop: false }`
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[INFO] [stdout] e456e21d0d5e9587901908df5fc632138cda54078bfa52867a3152e47a1c8c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fc7662de072c97fab3dc227ee45bd9cdaa8c305d75fa05a4888d1befa105390
[INFO] running `Command { std: "docker" "start" "-a" "9fc7662de072c97fab3dc227ee45bd9cdaa8c305d75fa05a4888d1befa105390", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking stdext v0.3.3
[INFO] [stderr]     Checking chrono v0.4.38
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[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rust_fn_recursion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0133]: use of mutable static is unsafe and requires unsafe function or block
[INFO] [stdout]   --> examples/local_global_lazy_mut_integer.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |     debug!("{:#?}", *GLOBAL_DATA);
[INFO] [stdout]    |                      ^^^^^^^^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: use of mutable static is unsafe and requires unsafe function or block
[INFO] [stdout]   --> examples/local_global_lazy_mut_integer.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     debug!("{:#?}", *GLOBAL_DATA);
[INFO] [stdout]    |                      ^^^^^^^^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: use of mutable static is unsafe and requires unsafe function or block
[INFO] [stdout]   --> examples/local_global_lazy_mut_integer.rs:26:6
[INFO] [stdout]    |
[INFO] [stdout] 26 |     *GLOBAL_DATA = 5;
[INFO] [stdout]    |      ^^^^^^^^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: use of mutable static is unsafe and requires unsafe function or block
[INFO] [stdout]   --> examples/local_global_lazy_mut_integer.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     debug!("{:#?}", *GLOBAL_DATA);
[INFO] [stdout]    |                      ^^^^^^^^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_fn_recursion` (example "local_global_lazy_mut_integer") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `stdext::function_name`
[INFO] [stdout]  --> examples/global_mutable_singleton.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use stdext::function_name;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> examples/first_recursion.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout]  9 | fn main() {
[INFO] [stdout]    | --------- this is not `async`
[INFO] [stdout] 10 |     println!("Hello, first_recursion ! ");
[INFO] [stdout] 11 |     recursive().await?;
[INFO] [stdout]    |                 ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_fn_recursion` (example "first_recursion") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9fc7662de072c97fab3dc227ee45bd9cdaa8c305d75fa05a4888d1befa105390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc7662de072c97fab3dc227ee45bd9cdaa8c305d75fa05a4888d1befa105390", kill_on_drop: false }`
[INFO] [stdout] 9fc7662de072c97fab3dc227ee45bd9cdaa8c305d75fa05a4888d1befa105390