[INFO] cloning repository https://github.com/NecroTechno/Osu-Map-Recommendation-Engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NecroTechno/Osu-Map-Recommendation-Engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNecroTechno%2FOsu-Map-Recommendation-Engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNecroTechno%2FOsu-Map-Recommendation-Engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e877b060b2e3b4b0287c87fa8f28a84288459df2
[INFO] documenting NecroTechno/Osu-Map-Recommendation-Engine against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNecroTechno%2FOsu-Map-Recommendation-Engine" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NecroTechno/Osu-Map-Recommendation-Engine 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 git repo https://github.com/NecroTechno/Osu-Map-Recommendation-Engine
[INFO] finished tweaking git repo https://github.com/NecroTechno/Osu-Map-Recommendation-Engine
[INFO] tweaked toml for git repo https://github.com/NecroTechno/Osu-Map-Recommendation-Engine written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/NecroTechno/Osu-Map-Recommendation-Engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 174fa2b9a4d40b74a5a9d150c6e30ce743c12efb87e4e9d04bb49566da269e17
[INFO] running `Command { std: "docker" "start" "-a" "174fa2b9a4d40b74a5a9d150c6e30ce743c12efb87e4e9d04bb49566da269e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "174fa2b9a4d40b74a5a9d150c6e30ce743c12efb87e4e9d04bb49566da269e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174fa2b9a4d40b74a5a9d150c6e30ce743c12efb87e4e9d04bb49566da269e17", kill_on_drop: false }`
[INFO] [stdout] 174fa2b9a4d40b74a5a9d150c6e30ce743c12efb87e4e9d04bb49566da269e17
[INFO] running `Command { std: "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" "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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1179a4ba156bf765a2ce264426ccec4b3f8405d1e83fe0bf2647011b9f498d4
[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" "f1179a4ba156bf765a2ce264426ccec4b3f8405d1e83fe0bf2647011b9f498d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking h2 v0.1.17
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.12
[INFO] [stderr]  Documenting osu_map_recommendation_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `OSU_API_KEY` not defined
[INFO] [stdout]   --> src/commands.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             env!("OSU_API_KEY"),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `OSU_API_KEY` not defined
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         env!("OSU_API_KEY"),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `OSU_API_KEY` not defined
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         env!("OSU_API_KEY"),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `OSU_API_KEY` not defined
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         env!("OSU_API_KEY"),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `osu_map_recommendation_engine`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name osu_map_recommendation_engine src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-da1f1e9b7545d40f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-4dd43e4494fdf574.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-7e0e97aedfe97da3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-261a36b225210de4.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-e562c11ae104b691.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-84e4437a11985f0e.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-64ce4bc9a9e0d85e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "f1179a4ba156bf765a2ce264426ccec4b3f8405d1e83fe0bf2647011b9f498d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1179a4ba156bf765a2ce264426ccec4b3f8405d1e83fe0bf2647011b9f498d4", kill_on_drop: false }`
[INFO] [stdout] f1179a4ba156bf765a2ce264426ccec4b3f8405d1e83fe0bf2647011b9f498d4
