[INFO] cloning repository https://github.com/canufeel/ewasm-evm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/canufeel/ewasm-evm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanufeel%2Fewasm-evm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanufeel%2Fewasm-evm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81c2e91f7b9aa4d80a38e5486821c6fe78ffc6ae
[INFO] documenting canufeel/ewasm-evm 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%2Fcanufeel%2Fewasm-evm" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/canufeel/ewasm-evm 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] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/canufeel/ewasm-evm
[INFO] removed path dependency u256 from git repo https://github.com/canufeel/ewasm-evm
[INFO] finished tweaking git repo https://github.com/canufeel/ewasm-evm
[INFO] tweaked toml for git repo https://github.com/canufeel/ewasm-evm written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/canufeel/ewasm-evm 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] warning: dependency (u256) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] warning: dependency (u256) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded u256 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2f04e09a35dda19b9fe576ada3134f5e7fbd3420d54004612f42adaf21853b3c
[INFO] running `Command { std: "docker" "start" "-a" "2f04e09a35dda19b9fe576ada3134f5e7fbd3420d54004612f42adaf21853b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f04e09a35dda19b9fe576ada3134f5e7fbd3420d54004612f42adaf21853b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f04e09a35dda19b9fe576ada3134f5e7fbd3420d54004612f42adaf21853b3c", kill_on_drop: false }`
[INFO] [stdout] 2f04e09a35dda19b9fe576ada3134f5e7fbd3420d54004612f42adaf21853b3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5e988f15e1ecbd53c1018157ee3bf4a9245458ff4b53840cfc7e55c7cafd287e
[INFO] running `Command { std: "docker" "start" "-a" "5e988f15e1ecbd53c1018157ee3bf4a9245458ff4b53840cfc7e55c7cafd287e", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (u256) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking u256 v0.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]  Documenting ewasm-evm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `u256::u256`
[INFO] [stdout]  --> vm/src/interpreter.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use u256::u256::{U256bytes, U256};
[INFO] [stdout]   |           ^^^^ could not find `u256` in `u256`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `u256::u256`
[INFO] [stdout]  --> vm/src/memory.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use u256::u256::U256bytes;
[INFO] [stdout]   |           ^^^^ could not find `u256` in `u256`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `u256::u256`
[INFO] [stdout]  --> vm/src/eei_common.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use u256::u256::U256;
[INFO] [stdout]   |           ^^^^ could not find `u256` in `u256`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `u256::u256`
[INFO] [stdout]  --> vm/src/boundary/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use u256::u256::{U256, U256bytes};
[INFO] [stdout]   |           ^^^^ could not find `u256` in `u256`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `u256::u256`
[INFO] [stdout]  --> vm/src/mock_eei.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use u256::u256::U256;
[INFO] [stdout]   |           ^^^^ could not find `u256` in `u256`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> vm/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics, lang_items, alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `ewasm-evm`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-name ewasm_evm vm/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-b31c81520e08f43a.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-c058eb79b04fffd4.rmeta --extern serde_repr=/opt/rustwide/target/debug/deps/libserde_repr-fe79253c31170943.so --extern u256=/opt/rustwide/target/debug/deps/libu256-4985ae66374de511.rmeta --extern wee_alloc=/opt/rustwide/target/debug/deps/libwee_alloc-3a19e093c38ee312.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5e988f15e1ecbd53c1018157ee3bf4a9245458ff4b53840cfc7e55c7cafd287e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e988f15e1ecbd53c1018157ee3bf4a9245458ff4b53840cfc7e55c7cafd287e", kill_on_drop: false }`
[INFO] [stdout] 5e988f15e1ecbd53c1018157ee3bf4a9245458ff4b53840cfc7e55c7cafd287e