[INFO] cloning repository https://github.com/onlyhavecans/gurps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onlyhavecans/gurps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonlyhavecans%2Fgurps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonlyhavecans%2Fgurps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e973acc033148e76a8288cb85973dbf664200ab1
[INFO] documenting onlyhavecans/gurps against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonlyhavecans%2Fgurps" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onlyhavecans/gurps on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onlyhavecans/gurps
[INFO] finished tweaking git repo https://github.com/onlyhavecans/gurps
[INFO] tweaked toml for git repo https://github.com/onlyhavecans/gurps written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/onlyhavecans/gurps already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.1.3
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded rand_pcg v0.1.1
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded rand_os v0.1.2
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded rustyline v3.0.0
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded syn v0.15.26
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded libc v0.2.48
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.13
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.51
[INFO] [stderr]   Downloaded backtrace v0.3.13
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded cc v1.0.29
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded synstructure v0.10.1
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8ac0d9ef40b06f4ea1b6851dec6c9a8101e2a2c916927e3c5cd4dfa30dd2195
[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" "c8ac0d9ef40b06f4ea1b6851dec6c9a8101e2a2c916927e3c5cd4dfa30dd2195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8ac0d9ef40b06f4ea1b6851dec6c9a8101e2a2c916927e3c5cd4dfa30dd2195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ac0d9ef40b06f4ea1b6851dec6c9a8101e2a2c916927e3c5cd4dfa30dd2195", kill_on_drop: false }`
[INFO] [stdout] c8ac0d9ef40b06f4ea1b6851dec6c9a8101e2a2c916927e3c5cd4dfa30dd2195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTDOCFLAGS=--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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d5ecc504fa17af32167039187eba9ea04c79fc4d6e782d4e1e3362c3bd30eb6
[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" "8d5ecc504fa17af32167039187eba9ea04c79fc4d6e782d4e1e3362c3bd30eb6", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rustyline v3.0.0
[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-3.0.0/src/lib.rs:655:43
[INFO] [stdout]     |
[INFO] [stdout] 652 |     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] 655 |             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] [stdout] error[E0283]: type annotations needed for `std::result::Result<std::string::String, std::io::Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/history.rs:151:28
[INFO] [stdout]     |
[INFO] [stdout] 150 |         for line in rdr.lines() {
[INFO] [stdout]     |                     ----------- the element type for this iterator is not specified
[INFO] [stdout] 151 |             self.add(line?.as_ref()); // TODO truncate to MAX_LINE
[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] [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" "8d5ecc504fa17af32167039187eba9ea04c79fc4d6e782d4e1e3362c3bd30eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5ecc504fa17af32167039187eba9ea04c79fc4d6e782d4e1e3362c3bd30eb6", kill_on_drop: false }`
[INFO] [stdout] 8d5ecc504fa17af32167039187eba9ea04c79fc4d6e782d4e1e3362c3bd30eb6