[INFO] fetching crate tcp-stream 0.22.0... [INFO] testing tcp-stream-0.22.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate tcp-stream 0.22.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate tcp-stream 0.22.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28fb781e22e4dbc2a0128afc2dcd0616d0fe50cf1cb0d4738302de48fbf83b46 [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" "28fb781e22e4dbc2a0128afc2dcd0616d0fe50cf1cb0d4738302de48fbf83b46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28fb781e22e4dbc2a0128afc2dcd0616d0fe50cf1cb0d4738302de48fbf83b46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28fb781e22e4dbc2a0128afc2dcd0616d0fe50cf1cb0d4738302de48fbf83b46", kill_on_drop: false }` [INFO] [stdout] 28fb781e22e4dbc2a0128afc2dcd0616d0fe50cf1cb0d4738302de48fbf83b46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 485ae28a7e62c116c5b84b6abea3a17be8beef6983c2c52941aaca2cdff13f33 [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" "485ae28a7e62c116c5b84b6abea3a17be8beef6983c2c52941aaca2cdff13f33", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.1 [INFO] [stderr] Compiling block-padding v0.2.1 [INFO] [stderr] Compiling yasna v0.3.2 [INFO] [stderr] Compiling block-cipher v0.8.0 [INFO] [stderr] Compiling crypto-mac v0.9.1 [INFO] [stderr] Compiling rustls v0.19.0 [INFO] [stderr] Compiling hmac 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 p12 v0.2.0 [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 10.83s [INFO] running `Command { std: "docker" "inspect" "485ae28a7e62c116c5b84b6abea3a17be8beef6983c2c52941aaca2cdff13f33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "485ae28a7e62c116c5b84b6abea3a17be8beef6983c2c52941aaca2cdff13f33", kill_on_drop: false }` [INFO] [stdout] 485ae28a7e62c116c5b84b6abea3a17be8beef6983c2c52941aaca2cdff13f33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a3941bd44c4587f8a94d2b5cd94fc73609cc11cfb32e6df0e69131dd90f653f [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" "9a3941bd44c4587f8a94d2b5cd94fc73609cc11cfb32e6df0e69131dd90f653f", kill_on_drop: false }` [INFO] [stderr] Compiling tcp-stream v0.22.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `Command { std: "docker" "inspect" "9a3941bd44c4587f8a94d2b5cd94fc73609cc11cfb32e6df0e69131dd90f653f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a3941bd44c4587f8a94d2b5cd94fc73609cc11cfb32e6df0e69131dd90f653f", kill_on_drop: false }` [INFO] [stdout] 9a3941bd44c4587f8a94d2b5cd94fc73609cc11cfb32e6df0e69131dd90f653f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ad42ed3af855398d01c4694bd650ba708fdf035e2fa83a372774f03e8f284c92 [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" "ad42ed3af855398d01c4694bd650ba708fdf035e2fa83a372774f03e8f284c92", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tcp_stream-9cde3a64366c3378 [INFO] [stdout] [INFO] [stderr] Doc-tests tcp_stream [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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: Other, error: "failed to lookup address information: Temporary failure in name resolution" }', src/lib.rs:8:59 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564c8c6f53c0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stdout] 1: 0x564c8c6f53c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x564c8c6f53c0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x564c8c6f53c0 - ::fmt::he009dcaaa75eed60 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x564c8c71018c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x564c8c6efa12 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stdout] 6: 0x564c8c6f7745 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x564c8c6f7745 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x564c8c6f7745 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x564c8c6f73e8 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stdout] 10: 0x564c8c6f7ee1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stdout] 11: 0x564c8c6f7a27 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13 [INFO] [stdout] 12: 0x564c8c6f587c - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x564c8c6f7989 - rust_begin_unwind [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5 [INFO] [stdout] 14: 0x564c8c70f531 - core::panicking::panic_fmt::ha0bb065d9a260792 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x564c8c70f353 - core::option::expect_none_failed::h7e1dd0a94971eb61 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x564c8c4c611a - core::result::Result::unwrap::hf597c4129d1f14b7 [INFO] [stdout] 17: 0x564c8c4c6b9f - rust_out::main::h405f65324f7b53be [INFO] [stdout] 18: 0x564c8c4c52e3 - core::ops::function::FnOnce::call_once::h3db408b57191f4c8 [INFO] [stdout] 19: 0x564c8c4c49c9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h63647f327f3ebdae [INFO] [stdout] 20: 0x564c8c4c4a59 - std::rt::lang_start::{{closure}}::he1e0628789bd119a [INFO] [stdout] 21: 0x564c8c6f8307 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 22: 0x564c8c6f8307 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stdout] 23: 0x564c8c6f8307 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stdout] 24: 0x564c8c6f8307 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stdout] 25: 0x564c8c6f8307 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stdout] 26: 0x564c8c4c4a38 - std::rt::lang_start::hbf8fdee85d7e16e4 [INFO] [stdout] 27: 0x564c8c4c765b - main [INFO] [stdout] 28: 0x7f9737a060b3 - __libc_start_main [INFO] [stdout] 29: 0x564c8c4c40ee - _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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "ad42ed3af855398d01c4694bd650ba708fdf035e2fa83a372774f03e8f284c92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad42ed3af855398d01c4694bd650ba708fdf035e2fa83a372774f03e8f284c92", kill_on_drop: false }` [INFO] [stdout] ad42ed3af855398d01c4694bd650ba708fdf035e2fa83a372774f03e8f284c92