[INFO] fetching crate tcp-stream 0.22.0... [INFO] testing tcp-stream-0.22.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate tcp-stream 0.22.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate tcp-stream 0.22.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tcp-stream 0.22.0 [INFO] finished tweaking crates.io crate tcp-stream 0.22.0 [INFO] tweaked toml for crates.io crate tcp-stream 0.22.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded des v0.5.0 [INFO] [stderr] Downloaded p12 v0.2.0 [INFO] [stderr] Downloaded rc2 v0.5.0 [INFO] [stderr] Downloaded rustls-connector v0.13.1 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08f170808982ce632daeb58fa540ebd7f970a92447b88cf4e7078b7984e14875 [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" "08f170808982ce632daeb58fa540ebd7f970a92447b88cf4e7078b7984e14875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08f170808982ce632daeb58fa540ebd7f970a92447b88cf4e7078b7984e14875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08f170808982ce632daeb58fa540ebd7f970a92447b88cf4e7078b7984e14875", kill_on_drop: false }` [INFO] [stdout] 08f170808982ce632daeb58fa540ebd7f970a92447b88cf4e7078b7984e14875 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c417ebdc94188af440baf23c47e1d7324d842fe254d8536609f0660bf1181e1d [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" "c417ebdc94188af440baf23c47e1d7324d842fe254d8536609f0660bf1181e1d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling yasna v0.3.2 [INFO] [stderr] Compiling block-cipher v0.8.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling crypto-mac v0.9.1 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling rc2 v0.5.0 [INFO] [stderr] Compiling des v0.5.0 [INFO] [stderr] Compiling block-modes v0.6.1 [INFO] [stderr] Compiling hmac v0.9.0 [INFO] [stderr] Compiling sha-1 v0.9.6 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling p12 v0.2.0 [INFO] [stderr] Compiling sct v0.6.1 [INFO] [stderr] Compiling webpki v0.21.4 [INFO] [stderr] Compiling rustls v0.19.1 [INFO] [stderr] Compiling rustls-native-certs v0.5.0 [INFO] [stderr] Compiling rustls-connector v0.13.1 [INFO] [stderr] Compiling tcp-stream v0.22.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.89s [INFO] running `Command { std: "docker" "inspect" "c417ebdc94188af440baf23c47e1d7324d842fe254d8536609f0660bf1181e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c417ebdc94188af440baf23c47e1d7324d842fe254d8536609f0660bf1181e1d", kill_on_drop: false }` [INFO] [stdout] c417ebdc94188af440baf23c47e1d7324d842fe254d8536609f0660bf1181e1d [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe80b4b298466f26be53eb97acdbdb5e5f828a7a9ebf446d677e2769e73874b9 [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" "fe80b4b298466f26be53eb97acdbdb5e5f828a7a9ebf446d677e2769e73874b9", kill_on_drop: false }` [INFO] [stderr] Compiling tcp-stream v0.22.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "fe80b4b298466f26be53eb97acdbdb5e5f828a7a9ebf446d677e2769e73874b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe80b4b298466f26be53eb97acdbdb5e5f828a7a9ebf446d677e2769e73874b9", kill_on_drop: false }` [INFO] [stdout] fe80b4b298466f26be53eb97acdbdb5e5f828a7a9ebf446d677e2769e73874b9 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8a4a166735559535d39f336ec696b69de0045b9fb3db3aff2d97de08de7eaac0 [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" "8a4a166735559535d39f336ec696b69de0045b9fb3db3aff2d97de08de7eaac0", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tcp_stream-7783e30b800abd47) [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] [stderr] error: test failed, to rerun pass '--doc' [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: Other, error: "failed to lookup address information: Temporary failure in name resolution" }', src/lib.rs:8:59 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dc147456d0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55dc147456d0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55dc147456d0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55dc147456d0 - ::fmt::h767e17e1aa7df6a8 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55dc14760a1c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17 [INFO] [stdout] 5: 0x55dc147404d5 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15 [INFO] [stdout] 6: 0x55dc1474752b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55dc1474752b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55dc1474752b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55dc14747001 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55dc14747bd1 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55dc147476d7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55dc14745bac - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55dc14747639 - rust_begin_unwind [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55dc145272e1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55dc14527373 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x55dc14529a0b - core::result::Result::unwrap::h8fd3937129a86c3a [INFO] [stdout] 17: 0x55dc1452a21c - rust_out::main::h2a38bb51b9580a7d [INFO] [stdout] 18: 0x55dc14529023 - core::ops::function::FnOnce::call_once::h2b2994027e3ddb49 [INFO] [stdout] 19: 0x55dc14528669 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0646a71575223ddb [INFO] [stdout] 20: 0x55dc14528779 - std::rt::lang_start::{{closure}}::h56dae38fc2742666 [INFO] [stdout] 21: 0x55dc147480c9 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 22: 0x55dc147480c9 - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 23: 0x55dc147480c9 - std::panicking::try::h4beadc19a78fec52 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 24: 0x55dc147480c9 - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14 [INFO] [stdout] 25: 0x55dc147480c9 - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21 [INFO] [stdout] 26: 0x55dc14528761 - std::rt::lang_start::h186ee2dda057dd14 [INFO] [stdout] 27: 0x55dc1452ad03 - main [INFO] [stdout] 28: 0x7f20182ab0b3 - __libc_start_main [INFO] [stdout] 29: 0x55dc14527a7e - _start [INFO] [stdout] 30: 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 1.72s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8a4a166735559535d39f336ec696b69de0045b9fb3db3aff2d97de08de7eaac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a4a166735559535d39f336ec696b69de0045b9fb3db3aff2d97de08de7eaac0", kill_on_drop: false }` [INFO] [stdout] 8a4a166735559535d39f336ec696b69de0045b9fb3db3aff2d97de08de7eaac0