[INFO] cloning repository https://github.com/steadylearner/Rust-Warp-Example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steadylearner/Rust-Warp-Example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteadylearner%2FRust-Warp-Example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteadylearner%2FRust-Warp-Example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f7fb1bb04dd9cbf9ec72f761ccbfa50235d6c19
[INFO] documenting steadylearner/Rust-Warp-Example 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%2Fsteadylearner%2FRust-Warp-Example" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steadylearner/Rust-Warp-Example 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/steadylearner/Rust-Warp-Example
[INFO] finished tweaking git repo https://github.com/steadylearner/Rust-Warp-Example
[INFO] tweaked toml for git repo https://github.com/steadylearner/Rust-Warp-Example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/steadylearner/Rust-Warp-Example 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tungstenite v0.10.1
[INFO] [stderr]   Downloaded smallvec v1.3.0
[INFO] [stderr]   Downloaded tokio v0.2.18
[INFO] [stderr]   Downloaded r2d2 v0.8.8
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.4
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded r2d2_sqlite v0.15.0
[INFO] [stderr]   Downloaded console v0.10.0
[INFO] [stderr]   Downloaded input_buffer v0.3.1
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded winapi-util v0.1.4
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded globwalk v0.8.0
[INFO] [stderr]   Downloaded rusqlite v0.22.0
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded parse-zoneinfo v0.2.1
[INFO] [stderr]   Downloaded warp v0.2.2
[INFO] [stderr]   Downloaded tera v1.2.0
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded fallible-streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded chrono-tz v0.5.1
[INFO] [stderr]   Downloaded libsqlite3-sys v0.17.3
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded ignore v0.4.14
[INFO] [stderr]   Downloaded tokio-tungstenite v0.10.1
[INFO] [stderr]   Downloaded parking_lot_core v0.7.1
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded bstr v0.2.12
[INFO] [stderr]   Downloaded headers v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34ed063e426063a2b25ff1221fa5a80fdb5239655f64958f998b6f956f871a67
[INFO] running `Command { std: "docker" "start" "-a" "34ed063e426063a2b25ff1221fa5a80fdb5239655f64958f998b6f956f871a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ed063e426063a2b25ff1221fa5a80fdb5239655f64958f998b6f956f871a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ed063e426063a2b25ff1221fa5a80fdb5239655f64958f998b6f956f871a67", kill_on_drop: false }`
[INFO] [stdout] 34ed063e426063a2b25ff1221fa5a80fdb5239655f64958f998b6f956f871a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2e6960b89590994fcb0c32af1d435245c25a3b4eced9436afe1b7256fbfe5467
[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" "2e6960b89590994fcb0c32af1d435245c25a3b4eced9436afe1b7256fbfe5467", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling gamble v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking ryu v1.0.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rust-argon2 v0.8.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.4
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking warp v0.2.2
[INFO] [stderr]     Checking rusqlite v0.22.0
[INFO] [stderr]     Checking ignore v0.4.14
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]     Checking r2d2_sqlite v0.15.0
[INFO] [stderr]     Checking tera v1.2.0
[INFO] [stderr]  Documenting gamble v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `gamble`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name gamble src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-979bd7d56dca2fae.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-861bdfb3abab9715.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-e47017ccde93f911.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-c2304a335bd086a5.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-69d9a7f018cb28c7.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-7938a763be7d6e04.rmeta --extern prettytable=/opt/rustwide/target/debug/deps/libprettytable-e4f192c7aba0ec96.rmeta --extern r2d2=/opt/rustwide/target/debug/deps/libr2d2-b7c558ef0551f785.rmeta --extern r2d2_sqlite=/opt/rustwide/target/debug/deps/libr2d2_sqlite-834a31f3d9a9ead8.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d14fdc8735966214.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-5bcf688360cc43c8.rmeta --extern argon2=/opt/rustwide/target/debug/deps/libargon2-00a9ca0156e4c47a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2b0e50d0eec41856.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8508895ff36e76b7.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2283ff4376711c93.rmeta --extern tera=/opt/rustwide/target/debug/deps/libtera-309ef3f194622daf.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d68652b268797fbf.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-e26e54065558e6fe.rmeta --cap-lints=warn --crate-version 0.0.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2e6960b89590994fcb0c32af1d435245c25a3b4eced9436afe1b7256fbfe5467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6960b89590994fcb0c32af1d435245c25a3b4eced9436afe1b7256fbfe5467", kill_on_drop: false }`
[INFO] [stdout] 2e6960b89590994fcb0c32af1d435245c25a3b4eced9436afe1b7256fbfe5467