[INFO] updating cached repository https://github.com/klemens/2i-emulator
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c692a3e80c889b904700e773aaff1a09007fb4f8
[INFO] checking klemens/2i-emulator against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklemens%2F2i-emulator" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/klemens/2i-emulator on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/klemens/2i-emulator
[INFO] finished tweaking git repo https://github.com/klemens/2i-emulator
[INFO] tweaked toml for git repo https://github.com/klemens/2i-emulator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/klemens/2i-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6fd61df5520e4d85d25c7e027a929f7e9548a39a66d3dd55b9d7b1b6abf78553
[INFO] running `"docker" "start" "-a" "6fd61df5520e4d85d25c7e027a929f7e9548a39a66d3dd55b9d7b1b6abf78553"`
[INFO] [stderr]     Checking cmdline-parser v0.1.0
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking rustyline v1.0.0 (https://github.com/klemens/rustyline.git?branch=2i-emulator#291927c2)
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/git/checkouts/rustyline-c88f83e46ecbf954/291927c/src/lib.rs:1165:49
[INFO] [stderr]      |
[INFO] [stderr] 1165 |                 self.editor.add_history_entry(l.as_ref()); // TODO Validate
[INFO] [stderr]      |                                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/rustyline-c88f83e46ecbf954/291927c/src/history.rs:132:33
[INFO] [stderr]     |
[INFO] [stderr] 132 |             self.add(try!(line).as_ref()); // TODO truncate to MAX_LINE
[INFO] [stderr]     |                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `rustyline`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6fd61df5520e4d85d25c7e027a929f7e9548a39a66d3dd55b9d7b1b6abf78553"`
[INFO] running `"docker" "rm" "-f" "6fd61df5520e4d85d25c7e027a929f7e9548a39a66d3dd55b9d7b1b6abf78553"`
[INFO] [stdout] 6fd61df5520e4d85d25c7e027a929f7e9548a39a66d3dd55b9d7b1b6abf78553