[INFO] cloning repository https://github.com/adeschene/rust_text-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adeschene/rust_text-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadeschene%2Frust_text-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadeschene%2Frust_text-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adfa8ac214f4fd6dea42616ea00a66724f8647c6
[INFO] testing adeschene/rust_text-game against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadeschene%2Frust_text-game" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adeschene/rust_text-game on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adeschene/rust_text-game
[INFO] finished tweaking git repo https://github.com/adeschene/rust_text-game
[INFO] tweaked toml for git repo https://github.com/adeschene/rust_text-game written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/adeschene/rust_text-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded rustyline v4.1.0
[INFO] [stderr]   Downloaded backtrace v0.3.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 26f7e7228634a06777ea1f55f29de9485f5efc14067f1ec26a882115fb24d993
[INFO] running `Command { std: "docker" "start" "-a" "26f7e7228634a06777ea1f55f29de9485f5efc14067f1ec26a882115fb24d993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f7e7228634a06777ea1f55f29de9485f5efc14067f1ec26a882115fb24d993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f7e7228634a06777ea1f55f29de9485f5efc14067f1ec26a882115fb24d993", kill_on_drop: false }`
[INFO] [stdout] 26f7e7228634a06777ea1f55f29de9485f5efc14067f1ec26a882115fb24d993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b662b7c189d85547eb8f800b7e3b0864b352fee05be2ac451befe4fc99f0ff05
[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" "b662b7c189d85547eb8f800b7e3b0864b352fee05be2ac451befe4fc99f0ff05", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rustyline v4.1.0
[INFO] [stderr]    Compiling rust_text-game v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:75:36
[INFO] [stdout]    |
[INFO] [stdout] 75 |         rl.add_history_entry(input.as_ref());
[INFO] [stdout]    |                              ------^^^^^^--
[INFO] [stdout]    |                              |     |
[INFO] [stdout]    |                              |     cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]    |                              this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `String: AsRef<_>`
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_text-game`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b662b7c189d85547eb8f800b7e3b0864b352fee05be2ac451befe4fc99f0ff05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b662b7c189d85547eb8f800b7e3b0864b352fee05be2ac451befe4fc99f0ff05", kill_on_drop: false }`
[INFO] [stdout] b662b7c189d85547eb8f800b7e3b0864b352fee05be2ac451befe4fc99f0ff05