[INFO] fetching crate tcp-stream 0.23.0... [INFO] testing tcp-stream-0.23.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate tcp-stream 0.23.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate tcp-stream 0.23.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tcp-stream 0.23.0 [INFO] finished tweaking crates.io crate tcp-stream 0.23.0 [INFO] tweaked toml for crates.io crate tcp-stream 0.23.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aada0335e53217ceb4ac61a80794e0ed070c2cbb2bdbf04d81fed634b129a37c [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" "aada0335e53217ceb4ac61a80794e0ed070c2cbb2bdbf04d81fed634b129a37c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aada0335e53217ceb4ac61a80794e0ed070c2cbb2bdbf04d81fed634b129a37c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aada0335e53217ceb4ac61a80794e0ed070c2cbb2bdbf04d81fed634b129a37c", kill_on_drop: false }` [INFO] [stdout] aada0335e53217ceb4ac61a80794e0ed070c2cbb2bdbf04d81fed634b129a37c [INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6b35e2fb78f492848e9e5f5d8c1f41bb12badf71d8b42355a260a5d5508b28b [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" "e6b35e2fb78f492848e9e5f5d8c1f41bb12badf71d8b42355a260a5d5508b28b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling subtle v2.4.1 [INFO] [stderr] Compiling block-padding v0.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling yasna v0.4.0 [INFO] [stderr] Compiling rustls-pemfile v0.2.1 [INFO] [stderr] Compiling rustls-native-certs v0.6.1 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling cipher v0.3.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling crypto-mac v0.11.1 [INFO] [stderr] Compiling hmac v0.11.0 [INFO] [stderr] Compiling sha-1 v0.9.8 [INFO] [stderr] Compiling des v0.7.0 [INFO] [stderr] Compiling rc2 v0.7.0 [INFO] [stderr] Compiling block-modes v0.8.1 [INFO] [stderr] Compiling pkcs-12 v0.3.1 [INFO] [stderr] Compiling sct v0.7.0 [INFO] [stderr] Compiling webpki v0.22.0 [INFO] [stderr] Compiling rustls v0.20.2 [INFO] [stderr] Compiling rustls-connector v0.15.0 [INFO] [stderr] Compiling tcp-stream v0.23.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.47s [INFO] running `Command { std: "docker" "inspect" "e6b35e2fb78f492848e9e5f5d8c1f41bb12badf71d8b42355a260a5d5508b28b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6b35e2fb78f492848e9e5f5d8c1f41bb12badf71d8b42355a260a5d5508b28b", kill_on_drop: false }` [INFO] [stdout] e6b35e2fb78f492848e9e5f5d8c1f41bb12badf71d8b42355a260a5d5508b28b [INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65d15dd460371eefef1e2a57589e83352cfc65930d3b6dcef04a3b588a618753 [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" "65d15dd460371eefef1e2a57589e83352cfc65930d3b6dcef04a3b588a618753", kill_on_drop: false }` [INFO] [stderr] Compiling tcp-stream v0.23.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `Command { std: "docker" "inspect" "65d15dd460371eefef1e2a57589e83352cfc65930d3b6dcef04a3b588a618753", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65d15dd460371eefef1e2a57589e83352cfc65930d3b6dcef04a3b588a618753", kill_on_drop: false }` [INFO] [stdout] 65d15dd460371eefef1e2a57589e83352cfc65930d3b6dcef04a3b588a618753 [INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2528e58a3e5a9b674b8347f55a6d99ec92be51defdca74f2803ab9f3cf061bc2 [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" "2528e58a3e5a9b674b8347f55a6d99ec92be51defdca74f2803ab9f3cf061bc2", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tcp_stream-095a415aea2d25ce) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests tcp_stream [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 13) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 13) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" }', src/lib.rs:8:59 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5645abb61eec - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5645abb61eec - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5645abb61eec - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5645abb61eec - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5645abb7da4c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x5645abb5c355 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x5645abb63720 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5645abb63720 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5645abb63720 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x5645abb632cb - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x5645abb63dd4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x5645abb638b0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x5645abb623a4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x5645abb63819 - rust_begin_unwind [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x5645ab9280b1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x5645ab928143 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x5645ab92a74a - core::result::Result::unwrap::hd36db8b3b9139cb9 [INFO] [stdout] 17: 0x5645ab92b0ac - rust_out::main::h61823b600df25383 [INFO] [stdout] 18: 0x5645ab929de3 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 19: 0x5645ab9293c9 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 20: 0x5645ab9294d9 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 21: 0x5645abb61731 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 22: 0x5645abb61731 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 23: 0x5645abb61731 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 24: 0x5645abb61731 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 25: 0x5645abb61731 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stdout] 26: 0x5645abb61731 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 27: 0x5645abb61731 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 28: 0x5645abb61731 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 29: 0x5645abb61731 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stdout] 30: 0x5645ab9294c1 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 31: 0x5645ab92bb43 - main [INFO] [stdout] 32: 0x7fc065d5d0b3 - __libc_start_main [INFO] [stdout] 33: 0x5645ab92880e - _start [INFO] [stdout] 34: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 13) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.07s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "2528e58a3e5a9b674b8347f55a6d99ec92be51defdca74f2803ab9f3cf061bc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2528e58a3e5a9b674b8347f55a6d99ec92be51defdca74f2803ab9f3cf061bc2", kill_on_drop: false }` [INFO] [stdout] 2528e58a3e5a9b674b8347f55a6d99ec92be51defdca74f2803ab9f3cf061bc2