[INFO] fetching crate check-if-email-exists 0.7.1...
[INFO] testing check-if-email-exists-0.7.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate check-if-email-exists 0.7.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate check-if-email-exists 0.7.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate check-if-email-exists 0.7.1
[INFO] finished tweaking crates.io crate check-if-email-exists 0.7.1
[INFO] tweaked toml for crates.io crate check-if-email-exists 0.7.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded amaurymartiny-async-smtp v0.1.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55e0607ec084d3c142b45c5639c48bd437af2d140899c55110cfe295a7098d78
[INFO] running `"docker" "start" "-a" "55e0607ec084d3c142b45c5639c48bd437af2d140899c55110cfe295a7098d78"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling mailchecker v3.3.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling pin-project v0.4.9
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling broadcaster v1.0.0
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling trust-dns-proto v0.19.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.4
[INFO] [stderr]    Compiling async-native-tls v0.3.3
[INFO] [stderr]    Compiling fast-socks5 v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling amaurymartiny-async-smtp v0.1.0
[INFO] [stderr]    Compiling check-if-email-exists v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 59s
[INFO] running `"docker" "inspect" "55e0607ec084d3c142b45c5639c48bd437af2d140899c55110cfe295a7098d78"`
[INFO] running `"docker" "rm" "-f" "55e0607ec084d3c142b45c5639c48bd437af2d140899c55110cfe295a7098d78"`
[INFO] [stdout] 55e0607ec084d3c142b45c5639c48bd437af2d140899c55110cfe295a7098d78
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d71e75b52fbc76107840b664344a063595d758c61ab909aa398a74f9701e218e
[INFO] running `"docker" "start" "-a" "d71e75b52fbc76107840b664344a063595d758c61ab909aa398a74f9701e218e"`
[INFO] [stderr]    Compiling check-if-email-exists v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `"docker" "inspect" "d71e75b52fbc76107840b664344a063595d758c61ab909aa398a74f9701e218e"`
[INFO] running `"docker" "rm" "-f" "d71e75b52fbc76107840b664344a063595d758c61ab909aa398a74f9701e218e"`
[INFO] [stdout] d71e75b52fbc76107840b664344a063595d758c61ab909aa398a74f9701e218e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f81ca58ce5aaa36a832c1b66bf6b82f064deea8cd26e8ed96459b5afa92362cb
[INFO] running `"docker" "start" "-a" "f81ca58ce5aaa36a832c1b66bf6b82f064deea8cd26e8ed96459b5afa92362cb"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/check_if_email_exists-c87384ea6e74d4e8
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test syntax::tests::should_return_error_for_invalid_email ... ok
[INFO] [stdout] test syntax::tests::should_work_for_valid_email ... ok
[INFO] [stdout] test syntax::tests::should_return_error_for_invalid_email_with_at ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f81ca58ce5aaa36a832c1b66bf6b82f064deea8cd26e8ed96459b5afa92362cb"`
[INFO] running `"docker" "rm" "-f" "f81ca58ce5aaa36a832c1b66bf6b82f064deea8cd26e8ed96459b5afa92362cb"`
[INFO] [stdout] f81ca58ce5aaa36a832c1b66bf6b82f064deea8cd26e8ed96459b5afa92362cb