[INFO] fetching crate nu 0.25.1...
[INFO] checking nu-0.25.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate nu 0.25.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nu 0.25.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu 0.25.1
[INFO] finished tweaking crates.io crate nu 0.25.1
[INFO] tweaked toml for crates.io crate nu 0.25.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate nu 0.25.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nu_plugin_post v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_tree v0.25.1
[INFO] [stderr]   Downloaded shadow-rs v0.5.7
[INFO] [stderr]   Downloaded nu_plugin_selector v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_start v0.25.1
[INFO] [stderr]   Downloaded trash v1.2.0
[INFO] [stderr]   Downloaded nu_plugin_sys v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_from_bson v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_fetch v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_chart v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_binaryview v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_inc v0.25.1
[INFO] [stderr]   Downloaded git2 v0.13.13
[INFO] [stderr]   Downloaded nu_plugin_to_bson v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_to_sqlite v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_from_sqlite v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_s3 v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_textview v0.25.1
[INFO] [stderr]   Downloaded libgit2-sys v0.12.15+1.1.0
[INFO] [stderr]   Downloaded nu_plugin_match v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_ps v0.25.1
[INFO] [stderr]   Downloaded nu_plugin_xpath v0.25.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e2d3b419c1140d56735c3e02c5f8785229117b4d5bb33acbcccb808716e31b5
[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" "5e2d3b419c1140d56735c3e02c5f8785229117b4d5bb33acbcccb808716e31b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e2d3b419c1140d56735c3e02c5f8785229117b4d5bb33acbcccb808716e31b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2d3b419c1140d56735c3e02c5f8785229117b4d5bb33acbcccb808716e31b5", kill_on_drop: false }`
[INFO] [stdout] 5e2d3b419c1140d56735c3e02c5f8785229117b4d5bb33acbcccb808716e31b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11bb96e16a8dfbe456b2ae09eac3b0d0c442dcc21481ce8d304a3e60366dcd3
[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" "c11bb96e16a8dfbe456b2ae09eac3b0d0c442dcc21481ce8d304a3e60366dcd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling heim-common v0.1.0-rc.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling platforms v1.0.3
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling heim-host v0.1.0-rc.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking peresil v0.3.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking umask v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking filesize v0.2.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking pretty v0.5.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking byte-unit v4.0.9
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]     Checking path_abs v0.5.0
[INFO] [stderr]     Checking sxd-document v0.3.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking roxmltree v0.13.0
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking rust-embed-utils v5.0.0
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking sxd-xpath v0.4.2
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking nu-table v0.25.1
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking titlecase v1.1.0
[INFO] [stderr]     Checking eml-parser v0.1.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking quick-xml v0.19.0
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v2.0.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking async-io v1.1.6
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking nu-json v0.25.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.5+1.42.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.15+1.1.0
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.18.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=4f08db63e4aea907 -C extra-filename=-4f08db63e4aea907 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-921a8a475b5af532.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4b0a7d1b13381df7.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-df29bcbd70ac82c8.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c11bb96e16a8dfbe456b2ae09eac3b0d0c442dcc21481ce8d304a3e60366dcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11bb96e16a8dfbe456b2ae09eac3b0d0c442dcc21481ce8d304a3e60366dcd3", kill_on_drop: false }`
[INFO] [stdout] c11bb96e16a8dfbe456b2ae09eac3b0d0c442dcc21481ce8d304a3e60366dcd3