[INFO] cloning repository https://github.com/fiirhok/mailcheck.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fiirhok/mailcheck.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiirhok%2Fmailcheck.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiirhok%2Fmailcheck.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6548d395ab099f17091edbba192571da6dd0fc21
[INFO] documenting fiirhok/mailcheck.rs 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%2Ffiirhok%2Fmailcheck.rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fiirhok/mailcheck.rs 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/fiirhok/mailcheck.rs
[INFO] finished tweaking git repo https://github.com/fiirhok/mailcheck.rs
[INFO] tweaked toml for git repo https://github.com/fiirhok/mailcheck.rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/fiirhok/mailcheck.rs 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] error: the lock file /workspace/builds/worker-6/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[INFO] the lockfile is outdated, regenerating it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]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.2.17
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded standback v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] bef403d827b6087859e4b39b2da57bd8df940dd00e6cabf0f3f9d864f1d39953
[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" "bef403d827b6087859e4b39b2da57bd8df940dd00e6cabf0f3f9d864f1d39953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bef403d827b6087859e4b39b2da57bd8df940dd00e6cabf0f3f9d864f1d39953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef403d827b6087859e4b39b2da57bd8df940dd00e6cabf0f3f9d864f1d39953", kill_on_drop: false }`
[INFO] [stdout] bef403d827b6087859e4b39b2da57bd8df940dd00e6cabf0f3f9d864f1d39953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 58f4001528c5621a01d4eec817304d1bfdb7ec7472271f72245bb8f46f97cd47
[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" "58f4001528c5621a01d4eec817304d1bfdb7ec7472271f72245bb8f46f97cd47", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.17
[INFO] [stderr]  Documenting mailcheck v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `crypto` in `openssl`
[INFO] [stdout]   --> src/dkim/mod.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use self::openssl::crypto::hash::Hasher;
[INFO] [stdout]    |                    ^^^^^^ could not find `crypto` in `openssl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `crypto` in `openssl`
[INFO] [stdout]   --> src/dkim/mod.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use self::openssl::crypto::hash::Type;
[INFO] [stdout]    |                    ^^^^^^ could not find `crypto` in `openssl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `crypto` in `openssl`
[INFO] [stdout]   --> src/dkim/mod.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 | use self::openssl::crypto::hash::Type::{SHA256,SHA1};
[INFO] [stdout]    |                    ^^^^^^ could not find `crypto` in `openssl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Type` in this scope
[INFO] [stdout]   --> src/dkim/mod.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     hash_type: Type,
[INFO] [stdout]    |                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: there is an enum variant `dkim::canonicalizer::char::EscapeUnicodeState::Type`; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 32 |     hash_type: dkim::canonicalizer::char::EscapeUnicodeState,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Hasher` in this scope
[INFO] [stdout]    --> src/dkim/mod.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |     hasher: Hasher,
[INFO] [stdout]     |             ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 6   | use dkim::openssl::hash::Hasher;
[INFO] [stdout]     |
[INFO] [stdout] 6   | use std::hash::Hasher;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `mailcheck`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name mailcheck 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 encoding=/opt/rustwide/target/debug/deps/libencoding-8bea360b97c8d5af.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-d93c6407fe47564b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c251ca4f1be2ef5d.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-eddfb9427ca0b1f2.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-9d8501aaa57b6043.rmeta --cap-lints=warn --crate-version 0.0.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "58f4001528c5621a01d4eec817304d1bfdb7ec7472271f72245bb8f46f97cd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f4001528c5621a01d4eec817304d1bfdb7ec7472271f72245bb8f46f97cd47", kill_on_drop: false }`
[INFO] [stdout] 58f4001528c5621a01d4eec817304d1bfdb7ec7472271f72245bb8f46f97cd47