[INFO] fetching crate bigtools 0.1.5...
[INFO] documenting bigtools-0.1.5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate bigtools 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bigtools 0.1.5 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 crates.io crate bigtools 0.1.5
[INFO] finished tweaking crates.io crate bigtools 0.1.5
[INFO] tweaked toml for crates.io crate bigtools 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate bigtools 0.1.5 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]  Downloading crates ...
[INFO] [stderr]   Downloaded wildmatch v1.0.12
[INFO] [stderr]   Downloaded libdeflater v0.5.0
[INFO] [stderr]   Downloaded attohttpc v0.16.0
[INFO] [stderr]   Downloaded libdeflate-sys v0.5.0
[INFO] [stderr]   Downloaded byteordered v0.5.0
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e588b06194dca53fc96edb6b08166b049a7431620ad2ec46bd8c74793459c1b5
[INFO] running `Command { std: "docker" "start" "-a" "e588b06194dca53fc96edb6b08166b049a7431620ad2ec46bd8c74793459c1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e588b06194dca53fc96edb6b08166b049a7431620ad2ec46bd8c74793459c1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e588b06194dca53fc96edb6b08166b049a7431620ad2ec46bd8c74793459c1b5", kill_on_drop: false }`
[INFO] [stdout] e588b06194dca53fc96edb6b08166b049a7431620ad2ec46bd8c74793459c1b5
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c63bf7514adb82295cda095fd7f06dd84292032d6b575180503d6954a2e9e65
[INFO] running `Command { std: "docker" "start" "-a" "2c63bf7514adb82295cda095fd7f06dd84292032d6b575180503d6954a2e9e65", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking wildmatch v1.0.12
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking byteordered v0.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libdeflate-sys v0.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking libdeflater v0.5.0
[INFO] [stderr]     Checking attohttpc v0.16.0
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking bigtools v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting bigtools v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]   --> src/bbiread.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) version: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `BBIHeader` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bbiread.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field_count`
[INFO] [stdout]   --> src/bbiread.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) field_count: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BBIHeader` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bbiread.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `defined_field_count`
[INFO] [stdout]   --> src/bbiread.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub(crate) defined_field_count: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `BBIHeader` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bbiread.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/bigwigtobedgraph.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             };
[INFO] [stdout]    |              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/bigbedtobed.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |             };
[INFO] [stdout]    |              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bigtools`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name bigwigmerge src/bin/bigwigmerge.rs -o /opt/rustwide/target/doc --cfg 'feature="attohttpc"' --cfg 'feature="default"' --cfg 'feature="remote"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b39304a6625c1912 -L dependency=/opt/rustwide/target/debug/deps --extern attohttpc=/opt/rustwide/target/debug/deps/libattohttpc-7404f92e95041b57.rmeta --extern bigtools=/opt/rustwide/target/debug/deps/libbigtools-bee8a85d9db878ce.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-431d5fff7072798e.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-390d75372d04f2ba.rmeta --extern byteordered=/opt/rustwide/target/debug/deps/libbyteordered-1ecd76e76399bb1b.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-71ea62a7a59ffd80.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-5be4732a56b3814d.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-71d45635681f7445.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-b74dddfcda54879b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-5e59413c4871efa1.rmeta --extern libdeflater=/opt/rustwide/target/debug/deps/liblibdeflater-56aa7bb78af032ac.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-8b9e456076fbf16d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1a6ae859a313c4c2.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-3de97c392a1a7f9c.rmeta --cap-lints=warn --crate-version 0.1.5` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `bigtools`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name test src/bin/test.rs -o /opt/rustwide/target/doc --cfg 'feature="attohttpc"' --cfg 'feature="default"' --cfg 'feature="remote"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e9f95fde756ccf45 -L dependency=/opt/rustwide/target/debug/deps --extern attohttpc=/opt/rustwide/target/debug/deps/libattohttpc-7404f92e95041b57.rmeta --extern bigtools=/opt/rustwide/target/debug/deps/libbigtools-bee8a85d9db878ce.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-431d5fff7072798e.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-390d75372d04f2ba.rmeta --extern byteordered=/opt/rustwide/target/debug/deps/libbyteordered-1ecd76e76399bb1b.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-71ea62a7a59ffd80.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-5be4732a56b3814d.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-71d45635681f7445.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-b74dddfcda54879b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-5e59413c4871efa1.rmeta --extern libdeflater=/opt/rustwide/target/debug/deps/liblibdeflater-56aa7bb78af032ac.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-8b9e456076fbf16d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1a6ae859a313c4c2.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-3de97c392a1a7f9c.rmeta --cap-lints=warn --crate-version 0.1.5` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `bigtools`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name bigwiginfo src/bin/bigwiginfo.rs -o /opt/rustwide/target/doc --cfg 'feature="attohttpc"' --cfg 'feature="default"' --cfg 'feature="remote"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c78ae7e7d11750da -L dependency=/opt/rustwide/target/debug/deps --extern attohttpc=/opt/rustwide/target/debug/deps/libattohttpc-7404f92e95041b57.rmeta --extern bigtools=/opt/rustwide/target/debug/deps/libbigtools-bee8a85d9db878ce.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-431d5fff7072798e.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-390d75372d04f2ba.rmeta --extern byteordered=/opt/rustwide/target/debug/deps/libbyteordered-1ecd76e76399bb1b.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-71ea62a7a59ffd80.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-5be4732a56b3814d.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-71d45635681f7445.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-b74dddfcda54879b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-5e59413c4871efa1.rmeta --extern libdeflater=/opt/rustwide/target/debug/deps/liblibdeflater-56aa7bb78af032ac.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-8b9e456076fbf16d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1a6ae859a313c4c2.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-3de97c392a1a7f9c.rmeta --cap-lints=warn --crate-version 0.1.5` (signal: 9, SIGKILL: kill)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c63bf7514adb82295cda095fd7f06dd84292032d6b575180503d6954a2e9e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c63bf7514adb82295cda095fd7f06dd84292032d6b575180503d6954a2e9e65", kill_on_drop: false }`
[INFO] [stdout] 2c63bf7514adb82295cda095fd7f06dd84292032d6b575180503d6954a2e9e65