[INFO] fetching crate nu 0.37.0...
[INFO] checking nu-0.37.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate nu 0.37.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nu 0.37.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate nu 0.37.0
[INFO] finished tweaking crates.io crate nu 0.37.0
[INFO] tweaked toml for crates.io crate nu 0.37.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate nu 0.37.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded git2 v0.13.21
[INFO] [stderr]   Downloaded security-framework-sys v2.4.0
[INFO] [stderr]   Downloaded sha2 v0.9.6
[INFO] [stderr]   Downloaded libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]   Downloaded nu_plugin_binaryview v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_selector v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_chart v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_from_bson v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_query_json v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_from_sqlite v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_inc v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_textview v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_s3 v0.37.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.4
[INFO] [stderr]   Downloaded nu_plugin_tree v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_start v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_xpath v0.37.0
[INFO] [stderr]   Downloaded num-bigint v0.4.1
[INFO] [stderr]   Downloaded nu_plugin_to_sqlite v0.37.0
[INFO] [stderr]   Downloaded nu-cli v0.37.0
[INFO] [stderr]   Downloaded parquet v5.2.0
[INFO] [stderr]   Downloaded sysinfo v0.20.2
[INFO] [stderr]   Downloaded serde_yaml v0.8.20
[INFO] [stderr]   Downloaded rstest v0.10.0
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded serde_test v1.0.129
[INFO] [stderr]   Downloaded nu_plugin_to_bson v0.37.0
[INFO] [stderr]   Downloaded nu_plugin_match v0.37.0
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f44ec37585fd0d987320ff332d581cd7fddd43b52b1fa61bd244cfce65930cda
[INFO] running `Command { std: "docker" "start" "-a" "f44ec37585fd0d987320ff332d581cd7fddd43b52b1fa61bd244cfce65930cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f44ec37585fd0d987320ff332d581cd7fddd43b52b1fa61bd244cfce65930cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44ec37585fd0d987320ff332d581cd7fddd43b52b1fa61bd244cfce65930cda", kill_on_drop: false }`
[INFO] [stdout] f44ec37585fd0d987320ff332d581cd7fddd43b52b1fa61bd244cfce65930cda
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 962d2f3c2b4b3375ab980b521da3c30a239e46012a0feb401aa9c47ab91d3eea
[INFO] running `Command { std: "docker" "start" "-a" "962d2f3c2b4b3375ab980b521da3c30a239e46012a0feb401aa9c47ab91d3eea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]    Compiling parquet v5.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking simdutf8 v0.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling parking_lot_core v0.8.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking common-path v1.0.0
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking filesize v0.2.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking peresil v0.3.0
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking umask v1.0.0
[INFO] [stderr]    Compiling sysinfo v0.20.2
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking is_executable v1.0.1
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking sxd-document v0.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking nu-ansi-term v0.37.0
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking cstr_core v0.2.4
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling rust-embed-utils v5.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking nu-table v0.37.0
[INFO] [stderr]     Checking titlecase v1.1.0
[INFO] [stderr]     Checking eml-parser v0.1.2
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking sxd-xpath v0.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "962d2f3c2b4b3375ab980b521da3c30a239e46012a0feb401aa9c47ab91d3eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962d2f3c2b4b3375ab980b521da3c30a239e46012a0feb401aa9c47ab91d3eea", kill_on_drop: false }`
[INFO] [stdout] 962d2f3c2b4b3375ab980b521da3c30a239e46012a0feb401aa9c47ab91d3eea