[INFO] cloning repository https://github.com/Yayformee/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yayformee/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYayformee%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYayformee%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18ba414953344904f637981eec83b3613d55ef89
[INFO] testing Yayformee/chess against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYayformee%2Fchess" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yayformee/chess on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yayformee/chess
[INFO] finished tweaking git repo https://github.com/Yayformee/chess
[INFO] tweaked toml for git repo https://github.com/Yayformee/chess written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Yayformee/chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57bbf2b84e1172b0d0080a3e6698ca5f5a2687f67e3e017eb431ae16baa5f590
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57bbf2b84e1172b0d0080a3e6698ca5f5a2687f67e3e017eb431ae16baa5f590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57bbf2b84e1172b0d0080a3e6698ca5f5a2687f67e3e017eb431ae16baa5f590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bbf2b84e1172b0d0080a3e6698ca5f5a2687f67e3e017eb431ae16baa5f590", kill_on_drop: false }`
[INFO] [stdout] 57bbf2b84e1172b0d0080a3e6698ca5f5a2687f67e3e017eb431ae16baa5f590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c31ca26177fc1b0b220f7a2a8509ad8e0b1c02f90a32e6aefcad7c1666fe008
[INFO] running `Command { std: "docker" "start" "-a" "3c31ca26177fc1b0b220f7a2a8509ad8e0b1c02f90a32e6aefcad7c1666fe008", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::num::SignedInt`
[INFO] [stdout]  --> src/board.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::SignedInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ no `SignedInt` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core, io, unicode, collections, str_words)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Color: Clone` is not satisfied
[INFO] [stdout]    --> src/color.rs:1:10
[INFO] [stdout]     |
[INFO] [stdout] 1   | #[derive(Copy, PartialEq)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `Color`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Tile: Clone` is not satisfied
[INFO] [stdout]    --> src/board.rs:29:10
[INFO] [stdout]     |
[INFO] [stdout] 29  | #[derive(Copy, PartialEq)]
[INFO] [stdout]     |          ^^^^ the trait `Clone` is not implemented for `Tile`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chess` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "3c31ca26177fc1b0b220f7a2a8509ad8e0b1c02f90a32e6aefcad7c1666fe008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c31ca26177fc1b0b220f7a2a8509ad8e0b1c02f90a32e6aefcad7c1666fe008", kill_on_drop: false }`
[INFO] [stdout] 3c31ca26177fc1b0b220f7a2a8509ad8e0b1c02f90a32e6aefcad7c1666fe008
