[INFO] cloning repository https://github.com/TrueBitFoundation/wasm-preprocessing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrueBitFoundation/wasm-preprocessing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueBitFoundation%2Fwasm-preprocessing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueBitFoundation%2Fwasm-preprocessing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81605a8aab5a0b9f66a66f94e1441d948b16ef6d
[INFO] documenting TrueBitFoundation/wasm-preprocessing against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueBitFoundation%2Fwasm-preprocessing" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrueBitFoundation/wasm-preprocessing on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TrueBitFoundation/wasm-preprocessing
[INFO] finished tweaking git repo https://github.com/TrueBitFoundation/wasm-preprocessing
[INFO] tweaked toml for git repo https://github.com/TrueBitFoundation/wasm-preprocessing written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/TrueBitFoundation/wasm-preprocessing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 616dfc205c090bc01e2897c85dbc4b48b0302e840e6352550e762d2bc0d7a519
[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" "616dfc205c090bc01e2897c85dbc4b48b0302e840e6352550e762d2bc0d7a519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "616dfc205c090bc01e2897c85dbc4b48b0302e840e6352550e762d2bc0d7a519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616dfc205c090bc01e2897c85dbc4b48b0302e840e6352550e762d2bc0d7a519", kill_on_drop: false }`
[INFO] [stdout] 616dfc205c090bc01e2897c85dbc4b48b0302e840e6352550e762d2bc0d7a519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c484cde3186f50feb0bf25c7d2bf2614734913b45b49fa78c6610b11e4c7d3
[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" "e3c484cde3186f50feb0bf25c7d2bf2614734913b45b49fa78c6610b11e4c7d3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking tiny-keccak v1.3.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking parking_lot_core v0.2.6
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking parity-wasm v0.15.2
[INFO] [stderr]  Documenting wasm_processor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "e3c484cde3186f50feb0bf25c7d2bf2614734913b45b49fa78c6610b11e4c7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c484cde3186f50feb0bf25c7d2bf2614734913b45b49fa78c6610b11e4c7d3", kill_on_drop: false }`
[INFO] [stdout] e3c484cde3186f50feb0bf25c7d2bf2614734913b45b49fa78c6610b11e4c7d3