[INFO] cloning repository https://github.com/eduardobraun/femapi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eduardobraun/femapi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduardobraun%2Ffemapi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduardobraun%2Ffemapi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86fe3c39def3c837af666185a9c5d5b963b0c015
[INFO] documenting eduardobraun/femapi against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduardobraun%2Ffemapi" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eduardobraun/femapi on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eduardobraun/femapi
[INFO] finished tweaking git repo https://github.com/eduardobraun/femapi
[INFO] tweaked toml for git repo https://github.com/eduardobraun/femapi written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/eduardobraun/femapi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.cargo-features
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "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] 61a54c35177ef39a731e11569a9825cf52b0bca454dae5680798db02724f6470
[INFO] running `Command { std: "docker" "start" "-a" "61a54c35177ef39a731e11569a9825cf52b0bca454dae5680798db02724f6470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61a54c35177ef39a731e11569a9825cf52b0bca454dae5680798db02724f6470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a54c35177ef39a731e11569a9825cf52b0bca454dae5680798db02724f6470", kill_on_drop: false }`
[INFO] [stdout] 61a54c35177ef39a731e11569a9825cf52b0bca454dae5680798db02724f6470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 143c85b13141da7fac784c4a25ae7cc13cad7d4cdd6881e99c9f1a0b0d825aa6
[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" "143c85b13141da7fac784c4a25ae7cc13cad7d4cdd6881e99c9f1a0b0d825aa6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused manifest key: package.cargo-features
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking slog v1.7.1
[INFO] [stderr]    Compiling femapi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking grounded_path v0.1.0 (https://gitlab.com/etb/grounded_path#ee1c84f9)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking slog-extra v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking r2d2 v0.8.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking slog-stream v1.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-atomic v2.0.0
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking tokio-sync v0.1.1
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking signal-hook v0.1.7
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking tokio-timer v0.2.9
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking http v0.1.15
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking bcrypt v0.2.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking slog-envlogger v2.1.0
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling juniper_codegen v0.10.0
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling v_escape_derive v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking diesel v1.4.1
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking juniper v0.10.0
[INFO] [stderr]     Checking jsonwebtoken v5.0.1
[INFO] [stderr]     Checking migrations_internals v1.4.0
[INFO] [stderr]     Checking r2d2-diesel v1.0.0
[INFO] [stderr]    Compiling migrations_macros v1.4.0
[INFO] [stderr]     Checking diesel_migrations v1.4.0
[INFO] [stderr]  Documenting femapi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(custom_attribute)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(plugin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `femapi`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name femapi 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 actix_web=/opt/rustwide/target/debug/deps/libactix_web-8d6d2fa12f837067.rmeta --extern bcrypt=/opt/rustwide/target/debug/deps/libbcrypt-aa9c215119f2060d.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-2a615bf9c6642778.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-769322fec6eaea0f.rmeta --extern diesel_migrations=/opt/rustwide/target/debug/deps/libdiesel_migrations-a659f5abc3aa8f6c.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-704cc2937061c5b7.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-59ccd87bc3e8590d.rmeta --extern grounded_path=/opt/rustwide/target/debug/deps/libgrounded_path-f34b9ce9caced7f8.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-4466908e04bdd46d.rmeta --extern jsonwebtoken=/opt/rustwide/target/debug/deps/libjsonwebtoken-30c0da0e84d423da.rmeta --extern juniper=/opt/rustwide/target/debug/deps/libjuniper-d74daf86a12cc528.rmeta --extern juniper_codegen=/opt/rustwide/target/debug/deps/libjuniper_codegen-17c7a8fa632c360b.so --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-c87304e1443ff836.rmeta --extern postgres=/opt/rustwide/target/debug/deps/libpostgres-9f1d868493490594.rmeta --extern r2d2=/opt/rustwide/target/debug/deps/libr2d2-c13831a3591610fd.rmeta --extern r2d2_diesel=/opt/rustwide/target/debug/deps/libr2d2_diesel-98482a04f7567216.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a6093196acd8d5dc.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-74d3a2ec54306856.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-989213fe487f3734.rmeta --extern slog=/opt/rustwide/target/debug/deps/libslog-18a9c3512fd138e1.rmeta --extern slog_async=/opt/rustwide/target/debug/deps/libslog_async-9df3d59570528baf.rmeta --extern slog_atomic=/opt/rustwide/target/debug/deps/libslog_atomic-ab8f57f9d0fd9942.rmeta --extern slog_envlogger=/opt/rustwide/target/debug/deps/libslog_envlogger-db25460aef04f015.rmeta --extern slog_json=/opt/rustwide/target/debug/deps/libslog_json-095704879abc9bdc.rmeta --extern slog_stream=/opt/rustwide/target/debug/deps/libslog_stream-cf644c54f8490e60.rmeta --extern slog_term=/opt/rustwide/target/debug/deps/libslog_term-9b801d568bdf5a70.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-8fd6d9be8725d3f0.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-fcf35c1dbd0bf688.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "143c85b13141da7fac784c4a25ae7cc13cad7d4cdd6881e99c9f1a0b0d825aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143c85b13141da7fac784c4a25ae7cc13cad7d4cdd6881e99c9f1a0b0d825aa6", kill_on_drop: false }`
[INFO] [stdout] 143c85b13141da7fac784c4a25ae7cc13cad7d4cdd6881e99c9f1a0b0d825aa6