[INFO] fetching crate rash-shell 0.1.0...
[INFO] testing rash-shell-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate rash-shell 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rash-shell 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rash-shell 0.1.0
[INFO] finished tweaking crates.io crate rash-shell 0.1.0
[INFO] tweaked toml for crates.io crate rash-shell 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 996ef0efa9ea92ddbf164950aee1540aeecfc509df3e1c91616160937c069801
[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" "996ef0efa9ea92ddbf164950aee1540aeecfc509df3e1c91616160937c069801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "996ef0efa9ea92ddbf164950aee1540aeecfc509df3e1c91616160937c069801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996ef0efa9ea92ddbf164950aee1540aeecfc509df3e1c91616160937c069801", kill_on_drop: false }`
[INFO] [stdout] 996ef0efa9ea92ddbf164950aee1540aeecfc509df3e1c91616160937c069801
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44a20297bc27c6ddbf1471cf890f4aba36a28cd578b97d49bdc953d0bff329c6
[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" "44a20297bc27c6ddbf1471cf890f4aba36a28cd578b97d49bdc953d0bff329c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling rustyline v2.1.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stdout] error[E0283]: type annotations needed for `std::result::Result<std::string::String, error::ReadlineError>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-2.1.0/src/lib.rs:639:43
[INFO] [stdout]     |
[INFO] [stdout] 636 |     let user_input = readline_edit(prompt, initial, editor, &original_mode);
[INFO] [stdout]     |         ---------- consider giving `user_input` the explicit type `std::result::Result<std::string::String, error::ReadlineError>`, where the type parameter `std::string::String` is specified
[INFO] [stdout] ...
[INFO] [stdout] 639 |             editor.add_history_entry(line.as_ref());
[INFO] [stdout]     |                                           ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-2.1.0/src/history.rs:150:33
[INFO] [stdout]     |
[INFO] [stdout] 150 |             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] [stderr]    Compiling string_cache v0.7.5
[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" "44a20297bc27c6ddbf1471cf890f4aba36a28cd578b97d49bdc953d0bff329c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a20297bc27c6ddbf1471cf890f4aba36a28cd578b97d49bdc953d0bff329c6", kill_on_drop: false }`
[INFO] [stdout] 44a20297bc27c6ddbf1471cf890f4aba36a28cd578b97d49bdc953d0bff329c6
