[INFO] cloning repository https://github.com/e-oz/ssl_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e-oz/ssl_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-oz%2Fssl_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-oz%2Fssl_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f8502eee281f09b3b1b5614d062d47007da1254
[INFO] documenting e-oz/ssl_test against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-oz%2Fssl_test" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/e-oz/ssl_test on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/e-oz/ssl_test
[INFO] finished tweaking git repo https://github.com/e-oz/ssl_test
[INFO] tweaked toml for git repo https://github.com/e-oz/ssl_test written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/e-oz/ssl_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "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] af877332683cc4a5422d31ac97f529a91dd582ff446afad148147f5b5e53bca3
[INFO] running `Command { std: "docker" "start" "-a" "af877332683cc4a5422d31ac97f529a91dd582ff446afad148147f5b5e53bca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af877332683cc4a5422d31ac97f529a91dd582ff446afad148147f5b5e53bca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af877332683cc4a5422d31ac97f529a91dd582ff446afad148147f5b5e53bca3", kill_on_drop: false }`
[INFO] [stdout] af877332683cc4a5422d31ac97f529a91dd582ff446afad148147f5b5e53bca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f365456a020706b6fcb7dfebe30817b150ddd0a9337f764086976ce1d0f4d9c4
[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" "f365456a020706b6fcb7dfebe30817b150ddd0a9337f764086976ce1d0f4d9c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.3
[INFO] [stderr]     Checking serde v0.8.20
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]    Compiling ring v0.6.0
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking md5 v0.2.1
[INFO] [stdout] error[E0277]: `&&std::vec::Vec<std::string::String>` is not an iterator
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.6.0/build.rs:221:15
[INFO] [stdout]     |
[INFO] [stdout] 221 |         .args(&args)
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               `&&std::vec::Vec<std::string::String>` is not an iterator
[INFO] [stdout]     |               help: consider adding dereference here: `&*args`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::iter::Iterator` is not implemented for `&&std::vec::Vec<std::string::String>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::iter::IntoIterator` for `&&std::vec::Vec<std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ring`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f365456a020706b6fcb7dfebe30817b150ddd0a9337f764086976ce1d0f4d9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f365456a020706b6fcb7dfebe30817b150ddd0a9337f764086976ce1d0f4d9c4", kill_on_drop: false }`
[INFO] [stdout] f365456a020706b6fcb7dfebe30817b150ddd0a9337f764086976ce1d0f4d9c4