[INFO] fetching crate check-if-email-exists 0.8.15...
[INFO] testing check-if-email-exists-0.8.15 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate check-if-email-exists 0.8.15 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate check-if-email-exists 0.8.15 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate check-if-email-exists 0.8.15
[INFO] finished tweaking crates.io crate check-if-email-exists 0.8.15
[INFO] tweaked toml for crates.io crate check-if-email-exists 0.8.15 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii_utils v0.9.3
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded tokio-socks v0.3.0
[INFO] [stderr]   Downloaded mailchecker v3.3.17
[INFO] [stderr]   Downloaded fast-socks5 v0.3.3
[INFO] [stderr]   Downloaded async-std-resolver v0.19.6
[INFO] [stderr]   Downloaded async-smtp v0.3.4
[INFO] [stderr]   Downloaded fast_chemail v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 529e5a444b094e51843bab3c35f3dc6a196b2f14560b88a0de80bb0da5dd9d4d
[INFO] running `Command { std: "docker" "start" "-a" "529e5a444b094e51843bab3c35f3dc6a196b2f14560b88a0de80bb0da5dd9d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "529e5a444b094e51843bab3c35f3dc6a196b2f14560b88a0de80bb0da5dd9d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529e5a444b094e51843bab3c35f3dc6a196b2f14560b88a0de80bb0da5dd9d4d", kill_on_drop: false }`
[INFO] [stdout] 529e5a444b094e51843bab3c35f3dc6a196b2f14560b88a0de80bb0da5dd9d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a49a65162d535585722d512e21dfd252b06ad43c71cb07aefe5b2d54d1b4b6a3
[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" "a49a65162d535585722d512e21dfd252b06ad43c71cb07aefe5b2d54d1b4b6a3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mailchecker v3.3.17
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[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling async-global-executor v1.4.3
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[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
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[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
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[INFO] [stderr]    Compiling async-native-tls v0.3.3
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling trust-dns-proto v0.19.6
[INFO] [stderr]    Compiling fast-socks5 v0.3.3
[INFO] [stderr]    Compiling tokio-socks v0.3.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.6
[INFO] [stderr]    Compiling async-smtp v0.3.4
[INFO] [stderr]    Compiling async-std-resolver v0.19.6
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.9
[INFO] [stderr]    Compiling check-if-email-exists v0.8.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 33s
[INFO] running `Command { std: "docker" "inspect" "a49a65162d535585722d512e21dfd252b06ad43c71cb07aefe5b2d54d1b4b6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49a65162d535585722d512e21dfd252b06ad43c71cb07aefe5b2d54d1b4b6a3", kill_on_drop: false }`
[INFO] [stdout] a49a65162d535585722d512e21dfd252b06ad43c71cb07aefe5b2d54d1b4b6a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--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] bca39e9b24463a35af16968b1b01d3ec41c85a6fb61ef854a279e4d4a62ba449
[INFO] running `Command { std: "docker" "start" "-a" "bca39e9b24463a35af16968b1b01d3ec41c85a6fb61ef854a279e4d4a62ba449", kill_on_drop: false }`
[INFO] [stderr]    Compiling check-if-email-exists v0.8.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "bca39e9b24463a35af16968b1b01d3ec41c85a6fb61ef854a279e4d4a62ba449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca39e9b24463a35af16968b1b01d3ec41c85a6fb61ef854a279e4d4a62ba449", kill_on_drop: false }`
[INFO] [stdout] bca39e9b24463a35af16968b1b01d3ec41c85a6fb61ef854a279e4d4a62ba449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba1b79ed0b08f69f0966d898a9238fea3b7188633dba53a6d2018b8ba115c439
[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" "ba1b79ed0b08f69f0966d898a9238fea3b7188633dba53a6d2018b8ba115c439", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/check_if_email_exists-6252acad60ef6931
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test syntax::tests::should_return_invalid_for_invalid_email ... ok
[INFO] [stdout] test syntax::tests::should_work_for_valid_email ... ok
[INFO] [stdout] test smtp::tests::should_timeout ... ok
[INFO] [stdout] test syntax::tests::should_return_invalid_for_invalid_email_with_at ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests check-if-email-exists
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba1b79ed0b08f69f0966d898a9238fea3b7188633dba53a6d2018b8ba115c439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1b79ed0b08f69f0966d898a9238fea3b7188633dba53a6d2018b8ba115c439", kill_on_drop: false }`
[INFO] [stdout] ba1b79ed0b08f69f0966d898a9238fea3b7188633dba53a6d2018b8ba115c439