[INFO] fetching crate noria-server 0.6.0...
[INFO] documenting noria-server-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate noria-server 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate noria-server 0.6.0 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 crates.io crate noria-server 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate noria-server 0.6.0
[INFO] tweaked toml for crates.io crate noria-server 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate noria-server 0.6.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tower v0.3.1
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[INFO] [stderr]   Downloaded tower-timeout v0.3.0
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[INFO] [stderr]   Downloaded tracing-core v0.1.10
[INFO] [stderr]   Downloaded tracing v0.1.15
[INFO] [stderr]   Downloaded zookeeper_derive v0.4.1
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[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
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[INFO] [stderr]   Downloaded arccstr v1.3.0
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[INFO] [stderr]   Downloaded lru v0.4.3
[INFO] [stderr]   Downloaded strawpoll v0.2.2
[INFO] [stderr]   Downloaded async-timer v0.7.3
[INFO] [stderr]   Downloaded noria-mir v0.6.0
[INFO] [stderr]   Downloaded async-bincode v0.5.1
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded lexical v4.0.0
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[INFO] [stderr]   Downloaded derive_utils v0.10.0
[INFO] [stderr]   Downloaded ahash v0.3.5
[INFO] [stderr]   Downloaded rocksdb v0.14.0
[INFO] [stderr]   Downloaded slog v2.5.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.57
[INFO] [stderr]   Downloaded assert_infrequent v0.1.0
[INFO] [stderr]   Downloaded noria v0.6.0
[INFO] [stderr]   Downloaded named_pipe v0.4.1
[INFO] [stderr]   Downloaded rust_decimal v1.6.0
[INFO] [stderr]   Downloaded nom-sql v0.0.11
[INFO] [stderr]   Downloaded streamunordered v0.5.1
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[INFO] [stderr]   Downloaded pin-project v0.4.19
[INFO] [stderr]   Downloaded noria-common v0.6.0
[INFO] [stderr]   Downloaded tower-buffer v0.3.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.8
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[INFO] [stderr]   Downloaded librocksdb-sys v6.7.4
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[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded hashbag v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 32298078262c7d2d1008d42a1c5cf532d73d690babc6de7d870130f2d84a7967
[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" "32298078262c7d2d1008d42a1c5cf532d73d690babc6de7d870130f2d84a7967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32298078262c7d2d1008d42a1c5cf532d73d690babc6de7d870130f2d84a7967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32298078262c7d2d1008d42a1c5cf532d73d690babc6de7d870130f2d84a7967", kill_on_drop: false }`
[INFO] [stdout] 32298078262c7d2d1008d42a1c5cf532d73d690babc6de7d870130f2d84a7967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] ece2c3bc3fc0c359fcfe4c2852fb8982b8f4bf5153f75552e8c56bcb0efb25db
[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" "ece2c3bc3fc0c359fcfe4c2852fb8982b8f4bf5153f75552e8c56bcb0efb25db", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `noria-server` in package `noria-server v0.6.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `noria_server` in package `noria-server v0.6.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/noria_server/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.47.0-beta (51b66125b 2020-08-19) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "noria-server", version: "0.6.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "noria-server", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: ["default"] }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "noria-server", version: "0.6.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("noria_server", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: ["default"] }
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking hashbag v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling standback v0.2.9
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[INFO] [stderr]     Checking tracing-core v0.1.10
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[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking timekeeper v0.3.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking memoffset v0.5.4
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]    Compiling lexical-core v0.6.2
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[INFO] [stderr]     Checking crossbeam-channel v0.4.2
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[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.5
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking evmap v11.0.0-alpha.1
[INFO] [stderr]     Checking lexical v5.2.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling zookeeper_derive v0.4.1
[INFO] [stderr]     Checking zookeeper v0.5.9
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking tracing v0.1.15
[INFO] [stderr]     Checking pin-project v0.4.19
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking async-timer v0.7.3
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking tokio-tower v0.4.0
[INFO] [stderr]     Checking stream-cancel v0.5.2
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking streamunordered v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking rust_decimal v1.6.0
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking arccstr v1.3.0
[INFO] [stderr]     Checking nom-sql v0.0.11
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking async-bincode v0.5.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking assert_infrequent v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/assert_infrequent-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 compile `assert_infrequent`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ece2c3bc3fc0c359fcfe4c2852fb8982b8f4bf5153f75552e8c56bcb0efb25db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece2c3bc3fc0c359fcfe4c2852fb8982b8f4bf5153f75552e8c56bcb0efb25db", kill_on_drop: false }`
[INFO] [stdout] ece2c3bc3fc0c359fcfe4c2852fb8982b8f4bf5153f75552e8c56bcb0efb25db