[INFO] cloning repository https://github.com/radicle-dev/tracing-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/radicle-dev/tracing-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradicle-dev%2Ftracing-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradicle-dev%2Ftracing-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8f60e4a09594ec22794561f172828cee5c29c6f
[INFO] checking radicle-dev/tracing-bug against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradicle-dev%2Ftracing-bug" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/radicle-dev/tracing-bug on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/radicle-dev/tracing-bug
[INFO] finished tweaking git repo https://github.com/radicle-dev/tracing-bug
[INFO] tweaked toml for git repo https://github.com/radicle-dev/tracing-bug written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/radicle-dev/tracing-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.12
[INFO] [stderr]   Downloaded tracing v0.1.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67bf2398695560cd0dde1a1d3f572f0115e94f11e55d604542ca31d46f957739
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67bf2398695560cd0dde1a1d3f572f0115e94f11e55d604542ca31d46f957739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67bf2398695560cd0dde1a1d3f572f0115e94f11e55d604542ca31d46f957739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67bf2398695560cd0dde1a1d3f572f0115e94f11e55d604542ca31d46f957739", kill_on_drop: false }`
[INFO] [stdout] 67bf2398695560cd0dde1a1d3f572f0115e94f11e55d604542ca31d46f957739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0189fcbbfd4dccb3aa45a256ffc95c2142d50a41f06d17b83c8a7e64107b4e3b
[INFO] running `Command { std: "docker" "start" "-a" "0189fcbbfd4dccb3aa45a256ffc95c2142d50a41f06d17b83c8a7e64107b4e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking tracing-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
[INFO] [stdout]   --> src/main.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn test(&self) -> Result<impl Iterator<Item = u32>, Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
[INFO] [stdout]   --> src/main.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn test(&self) -> Result<impl Iterator<Item = u32>, Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0562`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0562`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-bug`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0189fcbbfd4dccb3aa45a256ffc95c2142d50a41f06d17b83c8a7e64107b4e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0189fcbbfd4dccb3aa45a256ffc95c2142d50a41f06d17b83c8a7e64107b4e3b", kill_on_drop: false }`
[INFO] [stdout] 0189fcbbfd4dccb3aa45a256ffc95c2142d50a41f06d17b83c8a7e64107b4e3b