[INFO] crate nu 0.15.0 is already in cache
[INFO] documenting nu-0.15.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate nu 0.15.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate nu 0.15.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking crates.io crate nu 0.15.0
[INFO] finished tweaking crates.io crate nu 0.15.0
[INFO] tweaked toml for crates.io crate nu 0.15.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate nu 0.15.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6774e628163ca4f7708daa5047c9aa1571ca0804da40f30cb94535e056f85223
[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" "6774e628163ca4f7708daa5047c9aa1571ca0804da40f30cb94535e056f85223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6774e628163ca4f7708daa5047c9aa1571ca0804da40f30cb94535e056f85223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6774e628163ca4f7708daa5047c9aa1571ca0804da40f30cb94535e056f85223", kill_on_drop: false }`
[INFO] [stdout] 6774e628163ca4f7708daa5047c9aa1571ca0804da40f30cb94535e056f85223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] bc0d305bd89dd0ebe18b9a5bbfad19ecaa8a9a8f321e74de7773cb935e40a765
[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" "bc0d305bd89dd0ebe18b9a5bbfad19ecaa8a9a8f321e74de7773cb935e40a765", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]     Checking dtoa v0.4.5
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[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking async-task v3.0.0
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[INFO] [stderr]    Compiling heim-common v0.1.0-beta.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking byte-unit v3.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
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[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking platforms v0.2.1
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[INFO] [stderr]    Compiling rayon-core v1.7.0
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[INFO] [stderr]     Checking base64 v0.12.1
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[INFO] [stderr]    Compiling battery v0.7.5
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking utf8parse v0.1.1
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[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking xmlparser v0.13.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking md5 v0.6.1
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[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking lru-cache v0.1.2
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[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking roxmltree v0.11.0
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.5
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
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[INFO] [stderr]     Checking quote v1.0.5
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
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[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking uom v0.26.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking uom v0.28.0
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[INFO] [stderr]     Checking parking_lot_core v0.7.2
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]     Checking eml-parser v0.1.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking crossterm v0.17.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.12.6+1.0.0
[INFO] [stderr]    Compiling decimal v2.0.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling ctor v0.1.14
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr] error: could not compile `uom`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name uom /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uom-0.28.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="autoconvert"' --cfg 'feature="f32"' --cfg 'feature="f64"' --cfg 'feature="num-rational"' --cfg 'feature="rational-support"' --cfg 'feature="si"' --cfg 'feature="std"' --cfg 'feature="u64"' -C metadata=baba0f8d306ab246 -C extra-filename=-baba0f8d306ab246 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-cf57755b1825870d.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-5a0e55add9b2a87f.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-6bc4cd4e4dba897b.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bc0d305bd89dd0ebe18b9a5bbfad19ecaa8a9a8f321e74de7773cb935e40a765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0d305bd89dd0ebe18b9a5bbfad19ecaa8a9a8f321e74de7773cb935e40a765", kill_on_drop: false }`
[INFO] [stdout] bc0d305bd89dd0ebe18b9a5bbfad19ecaa8a9a8f321e74de7773cb935e40a765