[INFO] cloning repository https://github.com/bakervm/beast
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bakervm/beast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbakervm%2Fbeast"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbakervm%2Fbeast'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 566bc6958ec7868f50398f16cbb20c8de830e467
[INFO] checking bakervm/beast against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbakervm%2Fbeast" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bakervm/beast on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bakervm/beast
[INFO] finished tweaking git repo https://github.com/bakervm/beast
[INFO] tweaked toml for git repo https://github.com/bakervm/beast written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bakervm/beast already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 0b3de928fdd6b52e7bd58eeb769aba9f7fdd0ab86b78888452bd3b7c7d9d69a3
[INFO] running `"docker" "start" "-a" "0b3de928fdd6b52e7bd58eeb769aba9f7fdd0ab86b78888452bd3b7c7d9d69a3"`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking rustyline v2.1.0
[INFO] [stderr]     Checking flate2 v1.0.5
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-2.1.0/src/lib.rs:639:43
[INFO] [stderr]     |
[INFO] [stderr] 639 |             editor.add_history_entry(line.as_ref());
[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/registry/src/github.com-1ecc6299db9ec823/rustyline-2.1.0/src/history.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |             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" "0b3de928fdd6b52e7bd58eeb769aba9f7fdd0ab86b78888452bd3b7c7d9d69a3"`
[INFO] running `"docker" "rm" "-f" "0b3de928fdd6b52e7bd58eeb769aba9f7fdd0ab86b78888452bd3b7c7d9d69a3"`
[INFO] [stdout] 0b3de928fdd6b52e7bd58eeb769aba9f7fdd0ab86b78888452bd3b7c7d9d69a3