[INFO] cloning repository https://github.com/kwangchoon/rust-demo-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kwangchoon/rust-demo-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwangchoon%2Frust-demo-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwangchoon%2Frust-demo-linkedlists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e79dc21c9d84750f41229c4f9d4bc57b94efdaf2
[INFO] testing kwangchoon/rust-demo-linkedlists against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwangchoon%2Frust-demo-linkedlists" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kwangchoon/rust-demo-linkedlists
[INFO] finished tweaking git repo https://github.com/kwangchoon/rust-demo-linkedlists
[INFO] tweaked toml for git repo https://github.com/kwangchoon/rust-demo-linkedlists written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kwangchoon/rust-demo-linkedlists on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kwangchoon/rust-demo-linkedlists 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b36751f7c0baa1436f5bcb5168fc90aca8e5b3a2eaf33776aefc184ee8bb17f1
[INFO] running `Command { std: "docker" "start" "-a" "b36751f7c0baa1436f5bcb5168fc90aca8e5b3a2eaf33776aefc184ee8bb17f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b36751f7c0baa1436f5bcb5168fc90aca8e5b3a2eaf33776aefc184ee8bb17f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36751f7c0baa1436f5bcb5168fc90aca8e5b3a2eaf33776aefc184ee8bb17f1", kill_on_drop: false }`
[INFO] [stdout] b36751f7c0baa1436f5bcb5168fc90aca8e5b3a2eaf33776aefc184ee8bb17f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beea9d27aa94da63f0983d4da31a8599691c6f4b8f1a46183fa3258a28b4b236
[INFO] running `Command { std: "docker" "start" "-a" "beea9d27aa94da63f0983d4da31a8599691c6f4b8f1a46183fa3258a28b4b236", kill_on_drop: false }`
[INFO] [stderr]    Compiling proj_linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/bin/p2_safe_stack.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proj_linked_list` (bin "p2_unsafe_stack") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "beea9d27aa94da63f0983d4da31a8599691c6f4b8f1a46183fa3258a28b4b236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beea9d27aa94da63f0983d4da31a8599691c6f4b8f1a46183fa3258a28b4b236", kill_on_drop: false }`
[INFO] [stdout] beea9d27aa94da63f0983d4da31a8599691c6f4b8f1a46183fa3258a28b4b236