[INFO] cloning repository https://github.com/wasmerio/wasmer-rust-customabi-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wasmerio/wasmer-rust-customabi-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasmerio%2Fwasmer-rust-customabi-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasmerio%2Fwasmer-rust-customabi-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36ee644c1c99fdf247bb1338b0eccf4b90abb3f2
[INFO] documenting wasmerio/wasmer-rust-customabi-example against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasmerio%2Fwasmer-rust-customabi-example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wasmerio/wasmer-rust-customabi-example 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 git repo https://github.com/wasmerio/wasmer-rust-customabi-example
[INFO] removed workspace from git repo https://github.com/wasmerio/wasmer-rust-customabi-example
[INFO] finished tweaking git repo https://github.com/wasmerio/wasmer-rust-customabi-example
[INFO] tweaked toml for git repo https://github.com/wasmerio/wasmer-rust-customabi-example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wasmerio/wasmer-rust-customabi-example 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmer-win-exception-handler v0.13.1
[INFO] [stderr]   Downloaded wasmer-clif-backend v0.13.1
[INFO] [stderr]   Downloaded wasmer-runtime v0.13.1
[INFO] [stderr]   Downloaded wasmer-runtime-core v0.13.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.52.0
[INFO] [stderr]   Downloaded cranelift-native v0.52.0
[INFO] [stderr]   Downloaded wasmer-clif-fork-frontend v0.52.0
[INFO] [stderr]   Downloaded cranelift-entity v0.52.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.52.0
[INFO] [stderr]   Downloaded wasmer-clif-fork-wasm v0.52.0
[INFO] [stderr]   Downloaded wasmparser v0.45.2
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.52.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.52.0
[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] 6a32d8f473a0a0d43e71e48d72aa0f586103aa94aaccab04e3f5372cacad0434
[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" "6a32d8f473a0a0d43e71e48d72aa0f586103aa94aaccab04e3f5372cacad0434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a32d8f473a0a0d43e71e48d72aa0f586103aa94aaccab04e3f5372cacad0434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a32d8f473a0a0d43e71e48d72aa0f586103aa94aaccab04e3f5372cacad0434", kill_on_drop: false }`
[INFO] [stdout] 6a32d8f473a0a0d43e71e48d72aa0f586103aa94aaccab04e3f5372cacad0434
[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] [stdout] d8bbd9f7a0c737ec33e3669d5fe0a000efbf7e04ff689dd19be601400240418b
[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" "d8bbd9f7a0c737ec33e3669d5fe0a000efbf7e04ff689dd19be601400240418b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.52.0
[INFO] [stderr]    Compiling cranelift-entity v0.52.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]     Checking wasmparser v0.45.2
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking cranelift-bforest v0.52.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.52.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.13.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]    Compiling cranelift-codegen v0.52.0
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.52.0
[INFO] [stderr]     Checking cranelift-native v0.52.0
[INFO] [stderr]     Checking wasmer-clif-fork-wasm v0.52.0
[INFO] [stderr]     Checking wasmer-clif-backend v0.13.1
[INFO] [stderr]     Checking wasmer-runtime v0.13.1
[INFO] [stderr]  Documenting wasmer_customabi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "d8bbd9f7a0c737ec33e3669d5fe0a000efbf7e04ff689dd19be601400240418b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8bbd9f7a0c737ec33e3669d5fe0a000efbf7e04ff689dd19be601400240418b", kill_on_drop: false }`
[INFO] [stdout] d8bbd9f7a0c737ec33e3669d5fe0a000efbf7e04ff689dd19be601400240418b