[INFO] fetching crate imath-sys 0.1.0...
[INFO] documenting imath-sys-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate imath-sys 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate imath-sys 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imath-sys 0.1.0
[INFO] finished tweaking crates.io crate imath-sys 0.1.0
[INFO] tweaked toml for crates.io crate imath-sys 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded bindgen v0.51.1
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded dunce v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d7c0f45cc49b9dcad85ca42c273bd0f27390a1f6a74d83950d43a1076c18e63
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d7c0f45cc49b9dcad85ca42c273bd0f27390a1f6a74d83950d43a1076c18e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d7c0f45cc49b9dcad85ca42c273bd0f27390a1f6a74d83950d43a1076c18e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7c0f45cc49b9dcad85ca42c273bd0f27390a1f6a74d83950d43a1076c18e63", kill_on_drop: false }`
[INFO] [stdout] 8d7c0f45cc49b9dcad85ca42c273bd0f27390a1f6a74d83950d43a1076c18e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ab10b3f69e439ad345317c153fbd752fc7fd5d973aba5d440d7eb4aafb5d74c
[INFO] running `Command { std: "docker" "start" "-a" "3ab10b3f69e439ad345317c153fbd752fc7fd5d973aba5d440d7eb4aafb5d74c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling imath-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: /opt/rustwide/workdir/vendor/imath/imath.c: In function 's_realloc':
[INFO] [stderr] warning: /opt/rustwide/workdir/vendor/imath/imath.c:1700:51: warning: unused parameter 'osize' [-Wunused-parameter]
[INFO] [stderr] warning:  1700 | static mp_digit *s_realloc(mp_digit *old, mp_size osize, mp_size nsize) {
[INFO] [stderr] warning:       |                                           ~~~~~~~~^~~~~
[INFO] [stderr]  Documenting imath-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.21s
[INFO] running `Command { std: "docker" "inspect" "3ab10b3f69e439ad345317c153fbd752fc7fd5d973aba5d440d7eb4aafb5d74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab10b3f69e439ad345317c153fbd752fc7fd5d973aba5d440d7eb4aafb5d74c", kill_on_drop: false }`
[INFO] [stdout] 3ab10b3f69e439ad345317c153fbd752fc7fd5d973aba5d440d7eb4aafb5d74c