[INFO] updating cached repository https://github.com/mthadley/rclac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55cb23dabd6261c2d0751b7921e496d1472a0117
[INFO] testing mthadley/rclac against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthadley%2Frclac" "/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/mthadley/rclac on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mthadley/rclac
[INFO] finished tweaking git repo https://github.com/mthadley/rclac
[INFO] tweaked toml for git repo https://github.com/mthadley/rclac written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mthadley/rclac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 3f9820a8467c7dd3537a25a353472cb96a10befc1fb30d08b6f92006cfdacf5b
[INFO] running `Command { std: "docker" "start" "-a" "3f9820a8467c7dd3537a25a353472cb96a10befc1fb30d08b6f92006cfdacf5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f9820a8467c7dd3537a25a353472cb96a10befc1fb30d08b6f92006cfdacf5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9820a8467c7dd3537a25a353472cb96a10befc1fb30d08b6f92006cfdacf5b", kill_on_drop: false }`
[INFO] [stdout] 3f9820a8467c7dd3537a25a353472cb96a10befc1fb30d08b6f92006cfdacf5b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ef6e4e1441e6cae7c24a794fde46202378a2e52efdadfa12eb25589114e7766
[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" "7ef6e4e1441e6cae7c24a794fde46202378a2e52efdadfa12eb25589114e7766", kill_on_drop: false }`
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling rustyline v1.0.0 (https://github.com/mthadley/rustyline?branch=hints#3030e33e)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/git/checkouts/rustyline-a6bb4f7dedbf15e5/3030e33/src/lib.rs:1185:49
[INFO] [stdout]      |
[INFO] [stdout] 1185 |                 self.editor.add_history_entry(l.as_ref()); // TODO Validate
[INFO] [stdout]      |                                               --^^^^^^--
[INFO] [stdout]      |                                               | |
[INFO] [stdout]      |                                               | cannot infer type for struct `std::string::String`
[INFO] [stdout]      |                                               this method call resolves to `&T`
[INFO] [stdout]      |
[INFO] [stdout]      = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rustyline-a6bb4f7dedbf15e5/3030e33/src/history.rs:132:33
[INFO] [stdout]     |
[INFO] [stdout] 132 |             self.add(try!(line).as_ref()); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                      -----------^^^^^^--
[INFO] [stdout]     |                      |          |
[INFO] [stdout]     |                      |          cannot infer type for struct `std::string::String`
[INFO] [stdout]     |                      this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `std::string::String: std::convert::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] running `Command { std: "docker" "inspect" "7ef6e4e1441e6cae7c24a794fde46202378a2e52efdadfa12eb25589114e7766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef6e4e1441e6cae7c24a794fde46202378a2e52efdadfa12eb25589114e7766", kill_on_drop: false }`
[INFO] [stdout] 7ef6e4e1441e6cae7c24a794fde46202378a2e52efdadfa12eb25589114e7766