[INFO] fetching crate wasmer-runtime-fl 0.17.0...
[INFO] documenting wasmer-runtime-fl-0.17.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wasmer-runtime-fl 0.17.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wasmer-runtime-fl 0.17.0 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 wasmer-runtime-fl 0.17.0
[INFO] finished tweaking crates.io crate wasmer-runtime-fl 0.17.0
[INFO] tweaked toml for crates.io crate wasmer-runtime-fl 0.17.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate wasmer-runtime-fl 0.17.0 already has a lockfile, it will not be regenerated
[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 wasmer-singlepass-backend-fl v0.17.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.66
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.66
[INFO] [stderr]   Downloaded js-sys v0.3.43
[INFO] [stderr]   Downloaded web-sys v0.3.43
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.66
[INFO] [stderr]   Downloaded inkwell_internals v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.66
[INFO] [stderr]   Downloaded llvm-sys v80.2.0
[INFO] [stderr]   Downloaded wasmer-llvm-backend-fl v0.17.0
[INFO] [stderr]   Downloaded inkwell v0.1.0-llvm8sample
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7db13a78ba35eac27462998bd1c1a570879588c04b1f6a516e872749935b86e
[INFO] running `Command { std: "docker" "start" "-a" "f7db13a78ba35eac27462998bd1c1a570879588c04b1f6a516e872749935b86e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7db13a78ba35eac27462998bd1c1a570879588c04b1f6a516e872749935b86e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7db13a78ba35eac27462998bd1c1a570879588c04b1f6a516e872749935b86e", kill_on_drop: false }`
[INFO] [stdout] f7db13a78ba35eac27462998bd1c1a570879588c04b1f6a516e872749935b86e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] ad5714eece963f1fe718b47fc4d34022a99d7aa1ce392c2ea1c39d8990cd9f50
[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" "ad5714eece963f1fe718b47fc4d34022a99d7aa1ce392c2ea1c39d8990cd9f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.59.0
[INFO] [stderr]    Compiling cranelift-entity v0.59.0
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling blake3 v0.3.5
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.59.0
[INFO] [stderr]     Checking cranelift-bforest v0.59.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling wasmer-runtime-core-fl v0.17.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]    Compiling cranelift-codegen v0.59.0
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.59.0
[INFO] [stderr]     Checking cranelift-native v0.59.0
[INFO] [stderr]     Checking wasmer-clif-fork-wasm v0.59.0
[INFO] [stderr]     Checking wasmer-clif-backend-fl v0.17.0
[INFO] [stderr]  Documenting wasmer-runtime-fl v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "ad5714eece963f1fe718b47fc4d34022a99d7aa1ce392c2ea1c39d8990cd9f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5714eece963f1fe718b47fc4d34022a99d7aa1ce392c2ea1c39d8990cd9f50", kill_on_drop: false }`
[INFO] [stdout] ad5714eece963f1fe718b47fc4d34022a99d7aa1ce392c2ea1c39d8990cd9f50