[INFO] cloning repository https://github.com/nice-game/assistant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nice-game/assistant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnice-game%2Fassistant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnice-game%2Fassistant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2da1479f1dcb04d3791e6739b44427e27173663e
[INFO] documenting nice-game/assistant against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnice-game%2Fassistant" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nice-game/assistant on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nice-game/assistant
[INFO] finished tweaking git repo https://github.com/nice-game/assistant
[INFO] tweaked toml for git repo https://github.com/nice-game/assistant written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/nice-game/assistant already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/diesel-rs/diesel`
[INFO] [stderr]     Updating git repository `https://github.com/davidpdrsn/juniper-from-schema`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_utils v0.11.0
[INFO] [stderr]   Downloaded juniper_subscriptions v0.15.1
[INFO] [stderr]   Downloaded futures-enum v0.1.15
[INFO] [stderr]   Downloaded juniper_codegen v0.15.1
[INFO] [stderr]   Downloaded juniper_graphql_ws v0.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] [stderr]   Downloaded juniper v0.15.1
[INFO] [stderr]   Downloaded juniper_warp v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31de0da2575e417e2e344fddd5d54a2cdc315944e030dbe84f6d45ddbac7fdd6
[INFO] running `Command { std: "docker" "start" "-a" "31de0da2575e417e2e344fddd5d54a2cdc315944e030dbe84f6d45ddbac7fdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31de0da2575e417e2e344fddd5d54a2cdc315944e030dbe84f6d45ddbac7fdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31de0da2575e417e2e344fddd5d54a2cdc315944e030dbe84f6d45ddbac7fdd6", kill_on_drop: false }`
[INFO] [stdout] 31de0da2575e417e2e344fddd5d54a2cdc315944e030dbe84f6d45ddbac7fdd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb014bf683503d6312109d7486ab7038c33c01b854ee7577f2a6d3f9cdd48718
[INFO] running `Command { std: "docker" "start" "-a" "eb014bf683503d6312109d7486ab7038c33c01b854ee7577f2a6d3f9cdd48718", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]    Compiling derive_utils v0.11.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling juniper_codegen v0.15.1
[INFO] [stderr]    Compiling futures-enum v0.1.15
[INFO] [stderr]    Compiling diesel_derives v2.0.0 (https://github.com/diesel-rs/diesel#06494e8b)
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling graphql-parser v0.3.0
[INFO] [stderr]    Compiling juniper-from-schema-code-gen v0.5.2 (https://github.com/davidpdrsn/juniper-from-schema#90f1e331)
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]    Compiling juniper-from-schema-proc-macro v0.5.2 (https://github.com/davidpdrsn/juniper-from-schema#90f1e331)
[INFO] [stderr]     Checking diesel v2.0.0 (https://github.com/diesel-rs/diesel#06494e8b)
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking bson v1.1.0
[INFO] [stderr]     Checking juniper v0.15.1
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking juniper_subscriptions v0.15.1
[INFO] [stderr]     Checking juniper-from-schema v0.5.2 (https://github.com/davidpdrsn/juniper-from-schema#90f1e331)
[INFO] [stderr]     Checking juniper_graphql_ws v0.2.1
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking juniper_warp v0.6.0
[INFO] [stderr]     Checking db v0.1.0 (/opt/rustwide/workdir/lib/db)
[INFO] [stderr]  Documenting assistant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `assistant`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name assistant src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a34731c1f868e20c -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-465cfe9fcbbdbcc2.so --extern chrono=/opt/rustwide/target/debug/deps/libchrono-27d51f66c51a3787.rmeta --extern db=/opt/rustwide/target/debug/deps/libdb-568c890667f3eff1.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-18728cb90d486990.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-a7b9edffd3c45857.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-acda538a85f50532.rmeta --extern juniper=/opt/rustwide/target/debug/deps/libjuniper-b336537d7bcb06b9.rmeta --extern juniper_from_schema=/opt/rustwide/target/debug/deps/libjuniper_from_schema-96bb8738babc83e0.rmeta --extern juniper_graphql_ws=/opt/rustwide/target/debug/deps/libjuniper_graphql_ws-11d9d1d3fc5278fd.rmeta --extern juniper_warp=/opt/rustwide/target/debug/deps/libjuniper_warp-5f1f10dd91bb095d.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2be53ef7d3962f41.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-7f32b9df32888244.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-eb449589eaaee117.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cfd887883546270b.rmeta --extern simple_logger=/opt/rustwide/target/debug/deps/libsimple_logger-34c68026f45c5b67.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0027f809b984518a.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-9842a9993e16a57f.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-e641cc94639fa2be.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "eb014bf683503d6312109d7486ab7038c33c01b854ee7577f2a6d3f9cdd48718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb014bf683503d6312109d7486ab7038c33c01b854ee7577f2a6d3f9cdd48718", kill_on_drop: false }`
[INFO] [stdout] eb014bf683503d6312109d7486ab7038c33c01b854ee7577f2a6d3f9cdd48718