[INFO] fetching crate tc-client-db 0.8.0...
[INFO] checking tc-client-db-0.8.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate tc-client-db 0.8.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tc-client-db 0.8.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-client-db 0.8.0
[INFO] finished tweaking crates.io crate tc-client-db 0.8.0
[INFO] tweaked toml for crates.io crate tc-client-db 0.8.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf6b1340e863f1802cf2250e62a443280268bdf075e61efd79cd0b48fc6c9d1b
[INFO] running `Command { std: "docker" "start" "-a" "cf6b1340e863f1802cf2250e62a443280268bdf075e61efd79cd0b48fc6c9d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf6b1340e863f1802cf2250e62a443280268bdf075e61efd79cd0b48fc6c9d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6b1340e863f1802cf2250e62a443280268bdf075e61efd79cd0b48fc6c9d1b", kill_on_drop: false }`
[INFO] [stdout] cf6b1340e863f1802cf2250e62a443280268bdf075e61efd79cd0b48fc6c9d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c04bfe5d0ecd18ab8ff0b557b05297b13c120a1aeca5a4e5f993dbc42cc0d0bc
[INFO] running `Command { std: "docker" "start" "-a" "c04bfe5d0ecd18ab8ff0b557b05297b13c120a1aeca5a4e5f993dbc42cc0d0bc", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling tetsy-util-mem v0.9.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling bindgen v0.59.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking ref-cast v1.0.6
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking tetsy-trie-db v0.22.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking twasmi v0.6.2
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking fs-swap v0.2.6
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.5.4/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --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=ad04562af618083d -C extra-filename=-ad04562af618083d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-250202f4e3df1212.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-681e4e98e8957ba6.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-cfec10257cbd629b.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" "c04bfe5d0ecd18ab8ff0b557b05297b13c120a1aeca5a4e5f993dbc42cc0d0bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04bfe5d0ecd18ab8ff0b557b05297b13c120a1aeca5a4e5f993dbc42cc0d0bc", kill_on_drop: false }`
[INFO] [stdout] c04bfe5d0ecd18ab8ff0b557b05297b13c120a1aeca5a4e5f993dbc42cc0d0bc