[INFO] fetching crate tcp-stream 0.20.7...
[INFO] testing tcp-stream-0.20.7 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate tcp-stream 0.20.7 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate tcp-stream 0.20.7 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcp-stream 0.20.7
[INFO] finished tweaking crates.io crate tcp-stream 0.20.7
[INFO] tweaked toml for crates.io crate tcp-stream 0.20.7 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rc2 v0.5.0
[INFO] [stderr]   Downloaded des v0.5.0
[INFO] [stderr]   Downloaded rustls-connector v0.13.1
[INFO] [stderr]   Downloaded p12 v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffee48fafa2fea5fb95da30f0788d1ca7d3895abaead347bf9821e3d01992295
[INFO] running `Command { std: "docker" "start" "-a" "ffee48fafa2fea5fb95da30f0788d1ca7d3895abaead347bf9821e3d01992295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffee48fafa2fea5fb95da30f0788d1ca7d3895abaead347bf9821e3d01992295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffee48fafa2fea5fb95da30f0788d1ca7d3895abaead347bf9821e3d01992295", kill_on_drop: false }`
[INFO] [stdout] ffee48fafa2fea5fb95da30f0788d1ca7d3895abaead347bf9821e3d01992295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a5b81766c9d238934d0125abcc35bfffb7b5410b74015d51875b2ba136c298
[INFO] running `Command { std: "docker" "start" "-a" "37a5b81766c9d238934d0125abcc35bfffb7b5410b74015d51875b2ba136c298", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling tcp-stream v0.20.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "37a5b81766c9d238934d0125abcc35bfffb7b5410b74015d51875b2ba136c298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a5b81766c9d238934d0125abcc35bfffb7b5410b74015d51875b2ba136c298", kill_on_drop: false }`
[INFO] [stdout] 37a5b81766c9d238934d0125abcc35bfffb7b5410b74015d51875b2ba136c298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c78594ece7c96f4a5fba4693ad483ebdef8ebcaaa93d9aa37980c43ca15ab27b
[INFO] running `Command { std: "docker" "start" "-a" "c78594ece7c96f4a5fba4693ad483ebdef8ebcaaa93d9aa37980c43ca15ab27b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcp-stream v0.20.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "c78594ece7c96f4a5fba4693ad483ebdef8ebcaaa93d9aa37980c43ca15ab27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78594ece7c96f4a5fba4693ad483ebdef8ebcaaa93d9aa37980c43ca15ab27b", kill_on_drop: false }`
[INFO] [stdout] c78594ece7c96f4a5fba4693ad483ebdef8ebcaaa93d9aa37980c43ca15ab27b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5d767f2eaff431041145c3e852aa514993378a9e0036c8dc699dbee7982bb8d
[INFO] running `Command { std: "docker" "start" "-a" "e5d767f2eaff431041145c3e852aa514993378a9e0036c8dc699dbee7982bb8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.98s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_stream-0b5bf9daa800c8bd)
[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 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 14) 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:     0x55589b8f1250 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55589b8f1250 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55589b8f1250 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55589b8f1250 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55589b90c96c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55589b8ec325 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55589b8f30bb - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55589b8f30bb - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55589b8f30bb - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55589b8f2b91 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x55589b8f3784 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55589b8f3267 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55589b8f172c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55589b8f31c9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55589b7d1281 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55589b7d1313 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x55589b7d3a84 - core::result::Result<T,E>::unwrap::h4d1ee2de53e1db73
[INFO] [stdout]   17:     0x55589b7d4614 - rust_out::main::h61823b600df25383
[INFO] [stdout]   18:     0x55589b7d3103 - core::ops::function::FnOnce::call_once::h3d07824a44777914
[INFO] [stdout]   19:     0x55589b7d2849 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1ee1ba859d3174aa
[INFO] [stdout]   20:     0x55589b7d2969 - std::rt::lang_start::{{closure}}::hee9719d6b6efb7fa
[INFO] [stdout]   21:     0x55589b8f3d8a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13
[INFO] [stdout]   22:     0x55589b8f3d8a - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   23:     0x55589b8f3d8a - std::panicking::try::h0ee8c65ac7461507
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   24:     0x55589b8f3d8a - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   25:     0x55589b8f3d8a - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48
[INFO] [stdout]   26:     0x55589b8f3d8a - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   27:     0x55589b8f3d8a - std::panicking::try::hd0929f0b603e0389
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   28:     0x55589b8f3d8a - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   29:     0x55589b8f3d8a - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20
[INFO] [stdout]   30:     0x55589b7d2941 - std::rt::lang_start::h0745d281d96e0cdb
[INFO] [stdout]   31:     0x55589b7d5033 - main
[INFO] [stdout]   32:     0x7feae37720b3 - __libc_start_main
[INFO] [stdout]   33:     0x55589b7d1a1e - _start
[INFO] [stdout]   34:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "e5d767f2eaff431041145c3e852aa514993378a9e0036c8dc699dbee7982bb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d767f2eaff431041145c3e852aa514993378a9e0036c8dc699dbee7982bb8d", kill_on_drop: false }`
[INFO] [stdout] e5d767f2eaff431041145c3e852aa514993378a9e0036c8dc699dbee7982bb8d
