[INFO] cloning repository https://github.com/Jeffersyno/aisolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jeffersyno/aisolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffersyno%2Faisolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffersyno%2Faisolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4dac4ff34e4ba35025c92c19b7e17bcdd31bc09
[INFO] building Jeffersyno/aisolver against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffersyno%2Faisolver" "/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/Jeffersyno/aisolver on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jeffersyno/aisolver
[INFO] finished tweaking git repo https://github.com/Jeffersyno/aisolver
[INFO] tweaked toml for git repo https://github.com/Jeffersyno/aisolver written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Jeffersyno/aisolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9359c747a5f31a3bca4584b43c0d13b97072eeac0414b3a67afd893d5f987357
[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" "9359c747a5f31a3bca4584b43c0d13b97072eeac0414b3a67afd893d5f987357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9359c747a5f31a3bca4584b43c0d13b97072eeac0414b3a67afd893d5f987357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9359c747a5f31a3bca4584b43c0d13b97072eeac0414b3a67afd893d5f987357", kill_on_drop: false }`
[INFO] [stdout] 9359c747a5f31a3bca4584b43c0d13b97072eeac0414b3a67afd893d5f987357
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4687f2d6cbeeb28fe53abf8a7e0375436bf1727af28b93ec0dfa61dade665c5d
[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" "4687f2d6cbeeb28fe53abf8a7e0375436bf1727af28b93ec0dfa61dade665c5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling matrixmultiply v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.0
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling rustyline v3.0.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/lib.rs:655:43
[INFO] [stdout]     |
[INFO] [stdout] 655 |             editor.add_history_entry(line.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] help: use the fully qualified path for the potential candidates
[INFO] [stdout]     |
[INFO] [stdout] 655 |             editor.add_history_entry(<String as AsRef<Path>>::as_ref(line));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 655 |             editor.add_history_entry(<String as AsRef<OsStr>>::as_ref(line));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 655 |             editor.add_history_entry(<String as AsRef<[u8]>>::as_ref(line));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 655 |             editor.add_history_entry(<String as AsRef<str>>::as_ref(line));
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/history.rs:151:28
[INFO] [stdout]     |
[INFO] [stdout] 151 |             self.add(line?.as_ref()); // TODO truncate to MAX_LINE
[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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustyline`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4687f2d6cbeeb28fe53abf8a7e0375436bf1727af28b93ec0dfa61dade665c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4687f2d6cbeeb28fe53abf8a7e0375436bf1727af28b93ec0dfa61dade665c5d", kill_on_drop: false }`
[INFO] [stdout] 4687f2d6cbeeb28fe53abf8a7e0375436bf1727af28b93ec0dfa61dade665c5d
