[INFO] cloning repository https://github.com/apertium/apertium-stats-service
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apertium/apertium-stats-service" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapertium%2Fapertium-stats-service", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapertium%2Fapertium-stats-service'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a143db38eefcca5e0f9897bba49fa10924e4953
[INFO] documenting apertium/apertium-stats-service against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapertium%2Fapertium-stats-service" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apertium/apertium-stats-service on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/apertium/apertium-stats-service
[INFO] finished tweaking git repo https://github.com/apertium/apertium-stats-service
[INFO] tweaked toml for git repo https://github.com/apertium/apertium-stats-service written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/apertium/apertium-stats-service already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67ac98ae420f62fb56288fb3a331d4c1583579fd5b57da97eb68c374f3bd92a9
[INFO] running `Command { std: "docker" "start" "-a" "67ac98ae420f62fb56288fb3a331d4c1583579fd5b57da97eb68c374f3bd92a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67ac98ae420f62fb56288fb3a331d4c1583579fd5b57da97eb68c374f3bd92a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ac98ae420f62fb56288fb3a331d4c1583579fd5b57da97eb68c374f3bd92a9", kill_on_drop: false }`
[INFO] [stdout] 67ac98ae420f62fb56288fb3a331d4c1583579fd5b57da97eb68c374f3bd92a9
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d11bcfbd703d4ddfcd901c17744d7cfaea3edc633e5c32b92760d0edb1705b73
[INFO] running `Command { std: "docker" "start" "-a" "d11bcfbd703d4ddfcd901c17744d7cfaea3edc633e5c32b92760d0edb1705b73", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syntex_fmt_macros v0.5.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr] error: could not compile `proc-macro2`
[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/proc-macro2-0.4.30/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="nightly"' --cfg 'feature="proc-macro"' -C metadata=54d8bb4e338f8e98 -C extra-filename=-54d8bb4e338f8e98 --out-dir /opt/rustwide/target/debug/build/proc-macro2-54d8bb4e338f8e98 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (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" "d11bcfbd703d4ddfcd901c17744d7cfaea3edc633e5c32b92760d0edb1705b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11bcfbd703d4ddfcd901c17744d7cfaea3edc633e5c32b92760d0edb1705b73", kill_on_drop: false }`
[INFO] [stdout] d11bcfbd703d4ddfcd901c17744d7cfaea3edc633e5c32b92760d0edb1705b73
