[INFO] fetching crate dataset 0.2.2...
[INFO] documenting dataset-0.2.2 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate dataset 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dataset 0.2.2 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dataset 0.2.2
[INFO] finished tweaking crates.io crate dataset 0.2.2
[INFO] tweaked toml for crates.io crate dataset 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ff44c20e94804e800a252a202c9c9821ef5c8900b87a69f5b1b223f03b434ad
[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" "1ff44c20e94804e800a252a202c9c9821ef5c8900b87a69f5b1b223f03b434ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff44c20e94804e800a252a202c9c9821ef5c8900b87a69f5b1b223f03b434ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff44c20e94804e800a252a202c9c9821ef5c8900b87a69f5b1b223f03b434ad", kill_on_drop: false }`
[INFO] [stdout] 1ff44c20e94804e800a252a202c9c9821ef5c8900b87a69f5b1b223f03b434ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcf4e384961428951ec6d60754bb3c99130abfc3d4696065bdc9c8ee7d30b41e
[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" "dcf4e384961428951ec6d60754bb3c99130abfc3d4696065bdc9c8ee7d30b41e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking integer-encoding v1.0.8
[INFO] [stderr]     Checking thrift v0.12.0
[INFO] [stderr]     Checking avro-rs v0.6.6
[INFO] [stderr]  Documenting dataset v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> src/parquetfile.rs:3957:27
[INFO] [stdout]      |
[INFO] [stdout] 3957 |   /// that page_locations[i].first_row_index < page_locations[i+1].first_row_index.
[INFO] [stdout]      |                           ^ cannot be resolved, ignoring
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> src/parquetfile.rs:4020:24
[INFO] [stdout]      |
[INFO] [stdout] 4020 | /// Each <array-field>[i] refers to the page at OffsetIndex.page_locations[i]
[INFO] [stdout]      |                        ^ cannot be resolved, ignoring
[INFO] [stdout]      |
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> src/parquetfile.rs:4020:76
[INFO] [stdout]      |
[INFO] [stdout] 4020 | /// Each <array-field>[i] refers to the page at OffsetIndex.page_locations[i]
[INFO] [stdout]      |                                                                            ^ cannot be resolved, ignoring
[INFO] [stdout]      |
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[0]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> src/parquetfile.rs:4026:12
[INFO] [stdout]      |
[INFO] [stdout] 4026 |   /// byte[0], so that all lists have the same length. If false, the
[INFO] [stdout]      |            ^ cannot be resolved, ignoring
[INFO] [stdout]      |
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> src/parquetfile.rs:4033:18
[INFO] [stdout]      |
[INFO] [stdout] 4033 |   /// min_values[i]="B", max_values[i]="C". Such more compact values must still
[INFO] [stdout]      |                  ^ cannot be resolved, ignoring
[INFO] [stdout]      |
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> src/parquetfile.rs:4033:37
[INFO] [stdout]      |
[INFO] [stdout] 4033 |   /// min_values[i]="B", max_values[i]="C". Such more compact values must still
[INFO] [stdout]      |                                     ^ cannot be resolved, ignoring
[INFO] [stdout]      |
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> src/parquetfile.rs:4040:52
[INFO] [stdout]      |
[INFO] [stdout] 4040 |   /// lists. Readers cannot assume that max_values[i] <= min_values[i+1], even
[INFO] [stdout]      |                                                    ^ cannot be resolved, ignoring
[INFO] [stdout]      |
[INFO] [stdout]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "dcf4e384961428951ec6d60754bb3c99130abfc3d4696065bdc9c8ee7d30b41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf4e384961428951ec6d60754bb3c99130abfc3d4696065bdc9c8ee7d30b41e", kill_on_drop: false }`
[INFO] [stdout] dcf4e384961428951ec6d60754bb3c99130abfc3d4696065bdc9c8ee7d30b41e