[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] checking e-oz/ssl_test against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-oz%2Fssl_test" "/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/e-oz/ssl_test on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/e-oz/rusoto`
[INFO] [stderr]     Updating git submodule `https://github.com/boto/botocore.git`
[INFO] [stderr]     Updating git repository `https://github.com/e-oz/hyper`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syntex_pos v0.50.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.3
[INFO] [stderr]   Downloaded syntex_syntax v0.50.0
[INFO] [stderr]   Downloaded syn v0.10.3
[INFO] [stderr]   Downloaded syntex v0.50.0
[INFO] [stderr]   Downloaded libz-sys v1.0.10
[INFO] [stderr]   Downloaded ssh2 v0.3.1
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.2
[INFO] [stderr]   Downloaded serde_codegen v0.8.20
[INFO] [stderr]   Downloaded syntex_errors v0.50.0
[INFO] [stderr]   Downloaded openssl v0.9.3
[INFO] [stderr]   Downloaded ring v0.6.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f087f3851211ca4fb6eaff15e1738addc1fd95df73aa9dc1da23298ae8c266a8
[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" "f087f3851211ca4fb6eaff15e1738addc1fd95df73aa9dc1da23298ae8c266a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f087f3851211ca4fb6eaff15e1738addc1fd95df73aa9dc1da23298ae8c266a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f087f3851211ca4fb6eaff15e1738addc1fd95df73aa9dc1da23298ae8c266a8", kill_on_drop: false }`
[INFO] [stdout] f087f3851211ca4fb6eaff15e1738addc1fd95df73aa9dc1da23298ae8c266a8
[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" "RUSTFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8c4812f08bb3e27f8c579348df642a05b00128c9502ae738d2e3a7686893eb1
[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" "c8c4812f08bb3e27f8c579348df642a05b00128c9502ae738d2e3a7686893eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.3
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling ring v0.6.0
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking md5 v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.3
[INFO] [stderr]    Compiling syntex_pos v0.50.0
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]     Checking xml-rs v0.1.26
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stdout] error[E0277]: `&&Vec<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]     |               `&&Vec<String>` is not an iterator
[INFO] [stdout]     |               help: consider adding dereference here: `&*args`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&&Vec<String>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `&&Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v0.10.3
[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" "c8c4812f08bb3e27f8c579348df642a05b00128c9502ae738d2e3a7686893eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c4812f08bb3e27f8c579348df642a05b00128c9502ae738d2e3a7686893eb1", kill_on_drop: false }`
[INFO] [stdout] c8c4812f08bb3e27f8c579348df642a05b00128c9502ae738d2e3a7686893eb1