[INFO] fetching crate yozuk 0.4.2...
[INFO] checking yozuk-0.4.2 against try#42d1facfffa1a5357d6d62815f7be91f8ad69ed8 for pr-95474
[INFO] extracting crate yozuk 0.4.2 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate yozuk 0.4.2 on toolchain 42d1facfffa1a5357d6d62815f7be91f8ad69ed8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yozuk 0.4.2
[INFO] finished tweaking crates.io crate yozuk 0.4.2
[INFO] tweaked toml for crates.io crate yozuk 0.4.2 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b307324d3cd79bcce00c63245cd64a1a9f31a006c4c6e2549afc0ebfd400c6d6
[INFO] running `Command { std: "docker" "start" "-a" "b307324d3cd79bcce00c63245cd64a1a9f31a006c4c6e2549afc0ebfd400c6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b307324d3cd79bcce00c63245cd64a1a9f31a006c4c6e2549afc0ebfd400c6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b307324d3cd79bcce00c63245cd64a1a9f31a006c4c6e2549afc0ebfd400c6d6", kill_on_drop: false }`
[INFO] [stdout] b307324d3cd79bcce00c63245cd64a1a9f31a006c4c6e2549afc0ebfd400c6d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9a05b839fb4176c60b993f5fa729fd20e026d54a6752bac99e26a083cf1b251
[INFO] running `Command { std: "docker" "start" "-a" "f9a05b839fb4176c60b993f5fa729fd20e026d54a6752bac99e26a083cf1b251", 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]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking ipnet v2.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling mediatype v0.19.1
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking num-cmp v0.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking distance v0.4.0
[INFO] [stderr]     Checking singularize v0.1.0
[INFO] [stderr]     Checking jhash v0.1.1
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking entropy v0.4.1
[INFO] [stderr]     Checking punycode v0.4.1
[INFO] [stderr]     Checking const-sha1 v0.2.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tracing-core v0.1.24
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking libflate v1.2.0
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.73/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=8451de8edbca495a -C extra-filename=-8451de8edbca495a --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] running `Command { std: "docker" "inspect" "f9a05b839fb4176c60b993f5fa729fd20e026d54a6752bac99e26a083cf1b251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a05b839fb4176c60b993f5fa729fd20e026d54a6752bac99e26a083cf1b251", kill_on_drop: false }`
[INFO] [stdout] f9a05b839fb4176c60b993f5fa729fd20e026d54a6752bac99e26a083cf1b251