[INFO] cloning repository https://github.com/Mwangi-Derrick/rust_basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mwangi-Derrick/rust_basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwangi-Derrick%2Frust_basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwangi-Derrick%2Frust_basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b59bd797e22e2d09560007eb3b60cb7754dd2cc
[INFO] checking Mwangi-Derrick/rust_basics against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwangi-Derrick%2Frust_basics" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] finished tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] tweaked toml for git repo https://github.com/Mwangi-Derrick/rust_basics written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mwangi-Derrick/rust_basics on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mwangi-Derrick/rust_basics 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] error: failed to parse manifest at `/workspace/builds/worker-1-tc2/source/Module-15-Performance-Profiling-and-Benchmarking/Lesson-15-4-Unsafe-Zones-and-Codegen-Intuition/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   can't find `lesson_15_4_unsafe_zones_and_codegen_intuition_benchmark` bench at `benches/lesson_15_4_unsafe_zones_and_codegen_intuition_benchmark.rs` or `benches/lesson_15_4_unsafe_zones_and_codegen_intuition_benchmark/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] checking Mwangi-Derrick/rust_basics against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwangi-Derrick%2Frust_basics" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] finished tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] tweaked toml for git repo https://github.com/Mwangi-Derrick/rust_basics written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mwangi-Derrick/rust_basics on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mwangi-Derrick/rust_basics 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] error: failed to parse manifest at `/workspace/builds/worker-1-tc2/source/Module-15-Performance-Profiling-and-Benchmarking/Lesson-15-3-Lock-Contention-Async-Stalls/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   can't find `lesson_15_3_lock_contention_async_stalls_benchmark` bench at `benches/lesson_15_3_lock_contention_async_stalls_benchmark.rs` or `benches/lesson_15_3_lock_contention_async_stalls_benchmark/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] checking Mwangi-Derrick/rust_basics against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwangi-Derrick%2Frust_basics" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] finished tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] tweaked toml for git repo https://github.com/Mwangi-Derrick/rust_basics written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mwangi-Derrick/rust_basics on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mwangi-Derrick/rust_basics 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] error: failed to parse manifest at `/workspace/builds/worker-1-tc2/source/Module-12-FFI-Python-C-Go-WASM/Lesson-12-4-WASM-wasm-bindgen/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   can't find `lesson_12_4_wasm_wasm_bindgen_benchmark` bench at `benches/lesson_12_4_wasm_wasm_bindgen_benchmark.rs` or `benches/lesson_12_4_wasm_wasm_bindgen_benchmark/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] checking Mwangi-Derrick/rust_basics against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwangi-Derrick%2Frust_basics" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] finished tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] tweaked toml for git repo https://github.com/Mwangi-Derrick/rust_basics written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mwangi-Derrick/rust_basics on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mwangi-Derrick/rust_basics 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] error: failed to parse manifest at `/workspace/builds/worker-1-tc2/source/Module-12-FFI-Python-C-Go-WASM/Lesson-12-3-Rust-Shared-Libraries-in-Go-via-cgo/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   can't find `lesson_12_3_rust_shared_libraries_in_go_via_cgo_benchmark` bench at `benches/lesson_12_3_rust_shared_libraries_in_go_via_cgo_benchmark.rs` or `benches/lesson_12_3_rust_shared_libraries_in_go_via_cgo_benchmark/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] checking Mwangi-Derrick/rust_basics against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwangi-Derrick%2Frust_basics" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] finished tweaking git repo https://github.com/Mwangi-Derrick/rust_basics
[INFO] tweaked toml for git repo https://github.com/Mwangi-Derrick/rust_basics written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mwangi-Derrick/rust_basics on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mwangi-Derrick/rust_basics 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] error: failed to parse manifest at `/workspace/builds/worker-1-tc2/source/Module-11-Async-Lifetimes-Borrowing-and-Interior-Mutability/Lesson-11-2-RefCell-Interior-Mutability/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   can't find `lesson_11_2_refcell_interior_mutability_benchmark` bench at `benches/lesson_11_2_refcell_interior_mutability_benchmark.rs` or `benches/lesson_11_2_refcell_interior_mutability_benchmark/main.rs`. Please specify bench.path if you want to use a non-default path.


command failed: exit status: 101

warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
  |
  = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
  = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
  = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
error: failed to parse manifest at `/workspace/builds/worker-1-tc2/source/Module-11-Async-Lifetimes-Borrowing-and-Interior-Mutability/Lesson-11-2-RefCell-Interior-Mutability/Cargo.toml`

Caused by:
  can't find `lesson_11_2_refcell_interior_mutability_benchmark` bench at `benches/lesson_11_2_refcell_interior_mutability_benchmark.rs` or `benches/lesson_11_2_refcell_interior_mutability_benchmark/main.rs`. Please specify bench.path if you want to use a non-default path.