[INFO] fetching crate dbcrossbar 0.5.0-alpha.2...
[INFO] checking dbcrossbar-0.5.0-alpha.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate dbcrossbar 0.5.0-alpha.2 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate dbcrossbar 0.5.0-alpha.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbcrossbar 0.5.0-alpha.2
[INFO] finished tweaking crates.io crate dbcrossbar 0.5.0-alpha.2
[INFO] tweaked toml for crates.io crate dbcrossbar 0.5.0-alpha.2 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate dbcrossbar 0.5.0-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8fde6e38f1e4c95d5919d9dd5a86b1209f4698b94a36f99a6e424c311fba50
[INFO] running `Command { std: "docker" "start" "-a" "bc8fde6e38f1e4c95d5919d9dd5a86b1209f4698b94a36f99a6e424c311fba50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8fde6e38f1e4c95d5919d9dd5a86b1209f4698b94a36f99a6e424c311fba50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8fde6e38f1e4c95d5919d9dd5a86b1209f4698b94a36f99a6e424c311fba50", kill_on_drop: false }`
[INFO] [stdout] bc8fde6e38f1e4c95d5919d9dd5a86b1209f4698b94a36f99a6e424c311fba50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a09dcf8fa33fa60e8b0561dd4eb4ab8ecee1d575986c6b59ffddeee0a54774c
[INFO] running `Command { std: "docker" "start" "-a" "3a09dcf8fa33fa60e8b0561dd4eb4ab8ecee1d575986c6b59ffddeee0a54774c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crc32c v0.5.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking humanize-rs v0.1.5
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking cli_test_dir v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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-1.0.67/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=179828e65b0b359f -C extra-filename=-179828e65b0b359f --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" "3a09dcf8fa33fa60e8b0561dd4eb4ab8ecee1d575986c6b59ffddeee0a54774c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a09dcf8fa33fa60e8b0561dd4eb4ab8ecee1d575986c6b59ffddeee0a54774c", kill_on_drop: false }`
[INFO] [stdout] 3a09dcf8fa33fa60e8b0561dd4eb4ab8ecee1d575986c6b59ffddeee0a54774c