[INFO] fetching crate sim2h_server 0.0.52-alpha2...
[INFO] checking sim2h_server-0.0.52-alpha2 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate sim2h_server 0.0.52-alpha2 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate sim2h_server 0.0.52-alpha2 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sim2h_server 0.0.52-alpha2
[INFO] finished tweaking crates.io crate sim2h_server 0.0.52-alpha2
[INFO] tweaked toml for crates.io crate sim2h_server 0.0.52-alpha2 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate crates.io crate sim2h_server 0.0.52-alpha2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd104d8a77bf48e950b28c51eb26b3d6000874f7882dcc19470992bc7ecc07df
[INFO] running `Command { std: "docker" "start" "-a" "bd104d8a77bf48e950b28c51eb26b3d6000874f7882dcc19470992bc7ecc07df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd104d8a77bf48e950b28c51eb26b3d6000874f7882dcc19470992bc7ecc07df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd104d8a77bf48e950b28c51eb26b3d6000874f7882dcc19470992bc7ecc07df", kill_on_drop: false }`
[INFO] [stdout] bd104d8a77bf48e950b28c51eb26b3d6000874f7882dcc19470992bc7ecc07df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 223d2da2a9d0a892776821a6ccaa03f913dfcce9580ff849ffe61c179d47db7c
[INFO] running `Command { std: "docker" "start" "-a" "223d2da2a9d0a892776821a6ccaa03f913dfcce9580ff849ffe61c179d47db7c", 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 v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pin-project-internal v0.4.25
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]    Compiling holochain_json_api v0.0.23
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling holochain_persistence_api v0.0.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling integer-encoding v1.1.5
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking detach v0.0.42
[INFO] [stderr]     Checking zeroize v0.10.1
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking detach v0.0.19
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling im v14.0.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.0.8
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.1.2/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' -C metadata=14ed15a251af3b65 -C extra-filename=-14ed15a251af3b65 --out-dir /opt/rustwide/target/debug/build/regex-14ed15a251af3b65 -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" "223d2da2a9d0a892776821a6ccaa03f913dfcce9580ff849ffe61c179d47db7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223d2da2a9d0a892776821a6ccaa03f913dfcce9580ff849ffe61c179d47db7c", kill_on_drop: false }`
[INFO] [stdout] 223d2da2a9d0a892776821a6ccaa03f913dfcce9580ff849ffe61c179d47db7c