[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 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fspider-dance" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gamma-delta/spider-dance on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-11/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c808cd02bb19152a6f074a56265f10e888437530601670362463e0e5b254cd0 [INFO] running `Command { std: "docker" "start" "-a" "4c808cd02bb19152a6f074a56265f10e888437530601670362463e0e5b254cd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c808cd02bb19152a6f074a56265f10e888437530601670362463e0e5b254cd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c808cd02bb19152a6f074a56265f10e888437530601670362463e0e5b254cd0", kill_on_drop: false }` [INFO] [stdout] 4c808cd02bb19152a6f074a56265f10e888437530601670362463e0e5b254cd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f772cf06c0fe5378fde065661e9d01350e447a914c3bdf25f8d2086fac6367a [INFO] running `Command { std: "docker" "start" "-a" "8f772cf06c0fe5378fde065661e9d01350e447a914c3bdf25f8d2086fac6367a", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling schemars v0.8.0 [INFO] [stderr] Compiling json_comments v0.2.0 [INFO] [stderr] Compiling serde_derive_internals v0.25.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling schemars_derive v0.8.0 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling spider-dance v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(trivial_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `spider-dance` due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "8f772cf06c0fe5378fde065661e9d01350e447a914c3bdf25f8d2086fac6367a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f772cf06c0fe5378fde065661e9d01350e447a914c3bdf25f8d2086fac6367a", kill_on_drop: false }` [INFO] [stdout] 8f772cf06c0fe5378fde065661e9d01350e447a914c3bdf25f8d2086fac6367a