[INFO] cloning repository https://github.com/kartikdangi/Test_Repo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kartikdangi/Test_Repo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartikdangi%2FTest_Repo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartikdangi%2FTest_Repo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf6891e76449ab667d720cfdaa4c0a82012cf2c3 [INFO] testing kartikdangi/Test_Repo against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartikdangi%2FTest_Repo" "/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/kartikdangi/Test_Repo [INFO] finished tweaking git repo https://github.com/kartikdangi/Test_Repo [INFO] tweaked toml for git repo https://github.com/kartikdangi/Test_Repo written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kartikdangi/Test_Repo on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kartikdangi/Test_Repo 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1870fff985dcf142fbeb6104415a0a96c1922a0d976ba80bdb370b7b5d228d9 [INFO] running `Command { std: "docker" "start" "-a" "f1870fff985dcf142fbeb6104415a0a96c1922a0d976ba80bdb370b7b5d228d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1870fff985dcf142fbeb6104415a0a96c1922a0d976ba80bdb370b7b5d228d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1870fff985dcf142fbeb6104415a0a96c1922a0d976ba80bdb370b7b5d228d9", kill_on_drop: false }` [INFO] [stdout] f1870fff985dcf142fbeb6104415a0a96c1922a0d976ba80bdb370b7b5d228d9 [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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51e7f4459109c4be8e15ea525b39ab11113fdf1de5b145a5003fed97dbb2ce2b [INFO] running `Command { std: "docker" "start" "-a" "51e7f4459109c4be8e15ea525b39ab11113fdf1de5b145a5003fed97dbb2ce2b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling Week30__Serdes_Test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected item, found `[` [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | [use(Deserialize, Serialize)] [INFO] [stdout] | ^ expected item [INFO] [stdout] | [INFO] [stdout] = note: for a full list of items that can appear in modules, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `Week30__Serdes_Test` (bin "Week30__Serdes_Test") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "51e7f4459109c4be8e15ea525b39ab11113fdf1de5b145a5003fed97dbb2ce2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51e7f4459109c4be8e15ea525b39ab11113fdf1de5b145a5003fed97dbb2ce2b", kill_on_drop: false }` [INFO] [stdout] 51e7f4459109c4be8e15ea525b39ab11113fdf1de5b145a5003fed97dbb2ce2b