[INFO] cloning repository https://github.com/hiddenhelper/check-email-exists
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiddenhelper/check-email-exists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiddenhelper%2Fcheck-email-exists"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiddenhelper%2Fcheck-email-exists'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7dd931646e79b5526bf1cd28afabcc8c7870084
[INFO] checking hiddenhelper/check-email-exists against master#e2223c94bf433fc38234d1303e88cbaf14755863 for pr-69548
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiddenhelper%2Fcheck-email-exists" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hiddenhelper/check-email-exists on toolchain e2223c94bf433fc38234d1303e88cbaf14755863
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hiddenhelper/check-email-exists
[INFO] removed workspace from git repo https://github.com/hiddenhelper/check-email-exists
[INFO] removed path dependency check-if-email-exists from git repo https://github.com/hiddenhelper/check-email-exists
[INFO] finished tweaking git repo https://github.com/hiddenhelper/check-email-exists
[INFO] tweaked toml for git repo https://github.com/hiddenhelper/check-email-exists written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hiddenhelper/check-email-exists already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (check-if-email-exists) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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 `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (check-if-email-exists) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c65a94b1004ed884e02d8a972e1544867f009a222ac6e0f29076606acda20ce9
[INFO] running `"docker" "start" "-a" "c65a94b1004ed884e02d8a972e1544867f009a222ac6e0f29076606acda20ce9"`
[INFO] [stderr] warning: dependency (check-if-email-exists) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking http-body v0.2.0-alpha.3
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking mailchecker v3.3.4
[INFO] [stderr] error[E0433]: failed to resolve: could not find `__rt` in `quote`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure_derive-0.1.6/src/lib.rs:107:70
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn display_body(s: &synstructure::Structure) -> Result<Option<quote::__rt::TokenStream>, Error> {
[INFO] [stderr]     |                                                                      ^^^^ could not find `__rt` in `quote`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `failure_derive`.
[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 `"docker" "inspect" "c65a94b1004ed884e02d8a972e1544867f009a222ac6e0f29076606acda20ce9"`
[INFO] running `"docker" "rm" "-f" "c65a94b1004ed884e02d8a972e1544867f009a222ac6e0f29076606acda20ce9"`
[INFO] [stdout] c65a94b1004ed884e02d8a972e1544867f009a222ac6e0f29076606acda20ce9