[INFO] cloning repository https://github.com/gamma-delta/spider-dance [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamma-delta/spider-dance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fspider-dance", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fspider-dance'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bc12072c887c4655571520a69598a2778fc3193d [INFO] testing gamma-delta/spider-dance against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fspider-dance" "/workspace/builds/worker-48/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gamma-delta/spider-dance on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gamma-delta/spider-dance [INFO] finished tweaking git repo https://github.com/gamma-delta/spider-dance [INFO] tweaked toml for git repo https://github.com/gamma-delta/spider-dance written to /workspace/builds/worker-48/source/Cargo.toml [INFO] crate git repo https://github.com/gamma-delta/spider-dance already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded schemars_derive v0.8.0 [INFO] [stderr] Downloaded json_comments v0.2.0 [INFO] [stderr] Downloaded schemars v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 068f0228b2e2027c365f6edc102a2bbff04494da9970bb8bfa59ab8722a40bd1 [INFO] running `Command { std: "docker" "start" "-a" "068f0228b2e2027c365f6edc102a2bbff04494da9970bb8bfa59ab8722a40bd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "068f0228b2e2027c365f6edc102a2bbff04494da9970bb8bfa59ab8722a40bd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "068f0228b2e2027c365f6edc102a2bbff04494da9970bb8bfa59ab8722a40bd1", kill_on_drop: false }` [INFO] [stdout] 068f0228b2e2027c365f6edc102a2bbff04494da9970bb8bfa59ab8722a40bd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 299ae7274972a5eef55bebb0a950170532224092435b9cbc12ec35138dae1829 [INFO] running `Command { std: "docker" "start" "-a" "299ae7274972a5eef55bebb0a950170532224092435b9cbc12ec35138dae1829", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling schemars v0.8.0 [INFO] [stderr] Compiling json_comments v0.2.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling serde_derive_internals v0.25.0 [INFO] [stderr] Compiling schemars_derive v0.8.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling spider-dance v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::iter::Chain` in the current scope [INFO] [stdout] --> src/tree.rs:185:14 [INFO] [stdout] | [INFO] [stdout] 185 | .fold_first(|(accx, accy), (x, y)| (accx.max(x), accy.max(y))) [INFO] [stdout] | ^^^^^^^^^^ method not found in `std::iter::Chain, std::iter::Map, [closure@src/tree.rs:184:40: 184:65]>>` [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 E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `spider-dance` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "299ae7274972a5eef55bebb0a950170532224092435b9cbc12ec35138dae1829", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "299ae7274972a5eef55bebb0a950170532224092435b9cbc12ec35138dae1829", kill_on_drop: false }` [INFO] [stdout] 299ae7274972a5eef55bebb0a950170532224092435b9cbc12ec35138dae1829