[INFO] cloning repository https://github.com/lucabol/lupo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucabol/lupo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucabol%2Flupo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucabol%2Flupo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 647185721d02953452304a4ba67cfdddae10451a
[INFO] documenting lucabol/lupo against beta-2021-09-08 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucabol%2Flupo" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucabol/lupo on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lucabol/lupo
[INFO] finished tweaking git repo https://github.com/lucabol/lupo
[INFO] tweaked toml for git repo https://github.com/lucabol/lupo written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/lucabol/lupo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6aa2c8d00059eff507e2ee1f6d0d61a29769b9801753d2a002b041b2906e55c8
[INFO] running `Command { std: "docker" "start" "-a" "6aa2c8d00059eff507e2ee1f6d0d61a29769b9801753d2a002b041b2906e55c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aa2c8d00059eff507e2ee1f6d0d61a29769b9801753d2a002b041b2906e55c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa2c8d00059eff507e2ee1f6d0d61a29769b9801753d2a002b041b2906e55c8", kill_on_drop: false }`
[INFO] [stdout] 6aa2c8d00059eff507e2ee1f6d0d61a29769b9801753d2a002b041b2906e55c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0dd540db12060e89e3222086fe32e5d38503c188650483208f932b9c8ca075e
[INFO] running `Command { std: "docker" "start" "-a" "b0dd540db12060e89e3222086fe32e5d38503c188650483208f932b9c8ca075e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking cpufeatures v0.1.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling protobuf v2.23.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-truncate v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr] error: could not compile `typenum`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_main --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/typenum-1.13.0/build/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=2d3af1d10f5668c4 -C extra-filename=-2d3af1d10f5668c4 --out-dir /opt/rustwide/target/debug/build/typenum-2d3af1d10f5668c4 -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" "b0dd540db12060e89e3222086fe32e5d38503c188650483208f932b9c8ca075e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0dd540db12060e89e3222086fe32e5d38503c188650483208f932b9c8ca075e", kill_on_drop: false }`
[INFO] [stdout] b0dd540db12060e89e3222086fe32e5d38503c188650483208f932b9c8ca075e