[INFO] cloning repository https://github.com/GreeFine/bplace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GreeFine/bplace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGreeFine%2Fbplace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGreeFine%2Fbplace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 448779b46dd3ab3f0e04e7e3e7b6bd1e98aaabd8
[INFO] documenting GreeFine/bplace against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGreeFine%2Fbplace" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GreeFine/bplace on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GreeFine/bplace
[INFO] finished tweaking git repo https://github.com/GreeFine/bplace
[INFO] tweaked toml for git repo https://github.com/GreeFine/bplace written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GreeFine/bplace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded actix-cors v0.6.1
[INFO] [stderr]   Downloaded darling v0.13.2
[INFO] [stderr]   Downloaded typed-builder v0.9.1
[INFO] [stderr]   Downloaded os_info v3.2.0
[INFO] [stderr]   Downloaded darling_macro v0.13.2
[INFO] [stderr]   Downloaded tracing-core v0.1.24
[INFO] [stderr]   Downloaded bson v2.1.0
[INFO] [stderr]   Downloaded mongodb v2.1.0
[INFO] [stderr]   Downloaded darling_core v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 931378af6a07c76f90210f3ab2b2c245869d8f57e0d5c4b5227909c080b24854
[INFO] running `Command { std: "docker" "start" "-a" "931378af6a07c76f90210f3ab2b2c245869d8f57e0d5c4b5227909c080b24854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "931378af6a07c76f90210f3ab2b2c245869d8f57e0d5c4b5227909c080b24854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931378af6a07c76f90210f3ab2b2c245869d8f57e0d5c4b5227909c080b24854", kill_on_drop: false }`
[INFO] [stdout] 931378af6a07c76f90210f3ab2b2c245869d8f57e0d5c4b5227909c080b24854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18e05363877ab84828ca22b6de9501960fbc6763ebc9a7d1f8c8ccd8a40ae435
[INFO] running `Command { std: "docker" "start" "-a" "18e05363877ab84828ca22b6de9501960fbc6763ebc9a7d1f8c8ccd8a40ae435", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking tracing-core v0.1.24
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]     Checking local-waker v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling httparse v1.6.0
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[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking actix-service v2.0.2
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[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking num_threads v0.1.5
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[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
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[INFO] [stderr]     Checking stringprep v0.1.2
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[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
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[INFO] [stderr]    Compiling actix-router v0.5.0
[INFO] [stderr]    Compiling darling_core v0.13.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling darling_macro v0.13.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling actix-macros v0.2.3
[INFO] [stderr]    Compiling actix-web-codegen v4.0.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling v0.13.2
[INFO] [stderr]    Compiling serde_with_macros v1.5.1
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking local-channel v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking actix-rt v2.7.0
[INFO] [stderr]     Checking trust-dns-proto v0.20.4
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking actix-server v2.1.1
[INFO] [stderr]     Checking actix-codec v0.5.0
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking actix v0.13.0
[INFO] [stderr]     Checking trust-dns-resolver v0.20.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_with v1.12.0
[INFO] [stderr]     Checking bson v2.1.0
[INFO] [stderr]     Checking mongodb v2.1.0
[INFO] [stderr]     Checking zstd v0.10.0+zstd.1.5.2
[INFO] [stderr]     Checking actix-http v3.0.4
[INFO] [stderr]     Checking actix-web v4.0.1
[INFO] [stderr]     Checking actix-cors v0.6.1
[INFO] [stderr]     Checking actix-web-actors v4.1.0
[INFO] [stderr]  Documenting bplace 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(map_try_insert)]
[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 `bplace`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name bplace src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=cf971c3225203873 -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-2a7ab45d8b74b1e1.rmeta --extern actix_cors=/opt/rustwide/target/debug/deps/libactix_cors-cd9be952d4347d23.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-a2e388d8b7fb93ee.rmeta --extern actix_web_actors=/opt/rustwide/target/debug/deps/libactix_web_actors-fdeed43460389964.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-56aa44060c7a0f13.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-f36c6144a64b7666.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-ffbe609b7e4a96b2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e7445b4e8703c20b.rmeta --extern mongodb=/opt/rustwide/target/debug/deps/libmongodb-9c7a490b4ad20ab2.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0671a035710dafdb.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-42f3d9f500770a9c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-80070eec516c1342.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "18e05363877ab84828ca22b6de9501960fbc6763ebc9a7d1f8c8ccd8a40ae435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e05363877ab84828ca22b6de9501960fbc6763ebc9a7d1f8c8ccd8a40ae435", kill_on_drop: false }`
[INFO] [stdout] 18e05363877ab84828ca22b6de9501960fbc6763ebc9a7d1f8c8ccd8a40ae435
