[INFO] cloning repository https://github.com/bakervm/beast
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbakervm%2Fbeast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 566bc6958ec7868f50398f16cbb20c8de830e467
[INFO] checking bakervm/beast against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbakervm%2Fbeast" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bakervm/beast on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/bakervm/beast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[INFO] [stderr]   Downloaded assert_cmd v0.10.2
[INFO] [stderr]   Downloaded structopt-derive v0.2.13
[INFO] [stderr]   Downloaded pest_derive v1.0.8
[INFO] [stderr]   Downloaded colored v1.6.1
[INFO] [stderr]   Downloaded flate2-crc v0.1.1
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded flate2 v1.0.5
[INFO] [stderr]   Downloaded escargot v0.3.1
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.0
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded structopt v0.2.13
[INFO] [stderr]   Downloaded rmp v0.8.7
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded tempfile v3.0.4
[INFO] [stderr]   Downloaded rustyline v2.1.0
[INFO] [stderr]   Downloaded miniz_oxide v0.2.0
[INFO] [stderr]   Downloaded predicates v1.0.0
[INFO] [stderr]   Downloaded melon v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 587b501a93263580f6648c03d9e37d2fa3faea5e6c8ae13cffcff5e89de87db1
[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" "587b501a93263580f6648c03d9e37d2fa3faea5e6c8ae13cffcff5e89de87db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "587b501a93263580f6648c03d9e37d2fa3faea5e6c8ae13cffcff5e89de87db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587b501a93263580f6648c03d9e37d2fa3faea5e6c8ae13cffcff5e89de87db1", kill_on_drop: false }`
[INFO] [stdout] 587b501a93263580f6648c03d9e37d2fa3faea5e6c8ae13cffcff5e89de87db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94ddf7080bb5acd867bf42a8375898f01c3fefee3875ef7083586b43b0b91e0d
[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" "94ddf7080bb5acd867bf42a8375898f01c3fefee3875ef7083586b43b0b91e0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking flate2 v1.0.5
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking rustyline v2.1.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stdout] error[E0283]: type annotations needed for `std::result::Result<String, 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<String, ReadlineError>`, where the type parameter `String` is specified
[INFO] [stdout] ...
[INFO] [stdout] 639 |             editor.add_history_entry(line.as_ref());
[INFO] [stdout]     |                                           ^^^^^^ cannot infer type for struct `String`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `String: AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[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 `String`
[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" "94ddf7080bb5acd867bf42a8375898f01c3fefee3875ef7083586b43b0b91e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ddf7080bb5acd867bf42a8375898f01c3fefee3875ef7083586b43b0b91e0d", kill_on_drop: false }`
[INFO] [stdout] 94ddf7080bb5acd867bf42a8375898f01c3fefee3875ef7083586b43b0b91e0d