[INFO] fetching crate tailscale 0.1.1... [INFO] testing tailscale-0.1.1 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate tailscale 0.1.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate tailscale 0.1.1 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tailscale 0.1.1 [INFO] finished tweaking crates.io crate tailscale 0.1.1 [INFO] tweaked toml for crates.io crate tailscale 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pnet_sys v0.26.0 [INFO] [stderr] Downloaded pnet_datalink v0.26.0 [INFO] [stderr] Downloaded syntex_errors v0.42.0 [INFO] [stderr] Downloaded syntex_pos v0.42.0 [INFO] [stderr] Downloaded unicode-xid v0.0.3 [INFO] [stderr] Downloaded syntex v0.42.2 [INFO] [stderr] Downloaded pnet_transport v0.26.0 [INFO] [stderr] Downloaded pnet v0.26.0 [INFO] [stderr] Downloaded pnet_macros v0.26.0 [INFO] [stderr] Downloaded pnet_base v0.26.0 [INFO] [stderr] Downloaded pnet_macros_support v0.26.0 [INFO] [stderr] Downloaded syntex_syntax v0.42.0 [INFO] [stderr] Downloaded pnet_packet v0.26.0 [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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dfb8875aebed2488cdb6adef03d36d0619b69104b2ca50f17e7e6aac4eb56a1d [INFO] running `Command { std: "docker" "start" "-a" "dfb8875aebed2488cdb6adef03d36d0619b69104b2ca50f17e7e6aac4eb56a1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfb8875aebed2488cdb6adef03d36d0619b69104b2ca50f17e7e6aac4eb56a1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfb8875aebed2488cdb6adef03d36d0619b69104b2ca50f17e7e6aac4eb56a1d", kill_on_drop: false }` [INFO] [stdout] dfb8875aebed2488cdb6adef03d36d0619b69104b2ca50f17e7e6aac4eb56a1d [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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e585451f40f7d764c72444bf9e90b38db22a3f3da055ab8b0a67b07b4bfb2c5 [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" "6e585451f40f7d764c72444bf9e90b38db22a3f3da055ab8b0a67b07b4bfb2c5", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling pnet_base v0.26.0 [INFO] [stderr] Compiling pnet v0.26.0 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling pnet_sys v0.26.0 [INFO] [stderr] Compiling ipnetwork v0.16.0 [INFO] [stderr] Compiling pnet_macros_support v0.26.0 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling pnet_datalink v0.26.0 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.26.0 [INFO] [stderr] Compiling pnet_packet v0.26.0 [INFO] [stderr] Compiling pnet_transport v0.26.0 [INFO] [stderr] Compiling tailscale v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.50s [INFO] running `Command { std: "docker" "inspect" "6e585451f40f7d764c72444bf9e90b38db22a3f3da055ab8b0a67b07b4bfb2c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e585451f40f7d764c72444bf9e90b38db22a3f3da055ab8b0a67b07b4bfb2c5", kill_on_drop: false }` [INFO] [stdout] 6e585451f40f7d764c72444bf9e90b38db22a3f3da055ab8b0a67b07b4bfb2c5 [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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] daa2ad7c85201ced550d8604f3b99ffb5d996d5907110a633673aef3e416bba5 [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" "daa2ad7c85201ced550d8604f3b99ffb5d996d5907110a633673aef3e416bba5", kill_on_drop: false }` [INFO] [stderr] Compiling tailscale v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "daa2ad7c85201ced550d8604f3b99ffb5d996d5907110a633673aef3e416bba5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daa2ad7c85201ced550d8604f3b99ffb5d996d5907110a633673aef3e416bba5", kill_on_drop: false }` [INFO] [stdout] daa2ad7c85201ced550d8604f3b99ffb5d996d5907110a633673aef3e416bba5 [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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 64c84a632ec41bbcff5367762fc0b68917f861dd3c0066b2abc6d740ce9686d7 [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" "64c84a632ec41bbcff5367762fc0b68917f861dd3c0066b2abc6d740ce9686d7", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tailscale-5ad1bb76c67a3f8d [INFO] [stdout] [INFO] [stderr] Doc-tests tailscale [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - interface (line 22) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - interface (line 22) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'no tailscale interface found', src/lib.rs:4:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56081b822027 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x56081b822027 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x56081b822027 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x56081b822027 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x56081b838d8c - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x56081b81f262 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x56081b823d65 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x56081b823d65 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x56081b823d65 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x56081b8238ba - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x56081b824501 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x56081b824047 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x56081b8224ec - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x56081b823fa9 - rust_begin_unwind [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x56081b838161 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x56081b837ef3 - core::option::expect_failed::h64fa065966c0d22b [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1260:5 [INFO] [stdout] 16: 0x56081b7f4305 - core::option::Option::expect::h5d6dbc3af81671b5 [INFO] [stdout] 17: 0x56081b7f43cf - rust_out::main::_doctest_main_src_lib_rs_22_0::h16f417acebbf96ef [INFO] [stdout] 18: 0x56081b7f4386 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 19: 0x56081b7f4253 - core::ops::function::FnOnce::call_once::h2f28b12db24480a4 [INFO] [stdout] 20: 0x56081b7f4179 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7ff69755847bac0f [INFO] [stdout] 21: 0x56081b7f4209 - std::rt::lang_start::{{closure}}::h8f8fe4b1b4c3ba44 [INFO] [stdout] 22: 0x56081b824927 - core::ops::function::impls:: for &F>::call_once::hb5ab992a536e3d7c [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x56081b824927 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stdout] 24: 0x56081b824927 - std::panicking::try::ha7167c079f243e71 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stdout] 25: 0x56081b824927 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stdout] 26: 0x56081b824927 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stdout] 27: 0x56081b7f41e8 - std::rt::lang_start::hd3cc8db4b735f367 [INFO] [stdout] 28: 0x56081b7f43fb - main [INFO] [stdout] 29: 0x7f4728a1c0b3 - __libc_start_main [INFO] [stdout] 30: 0x56081b7f40ae - _start [INFO] [stdout] 31: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - interface (line 22) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "64c84a632ec41bbcff5367762fc0b68917f861dd3c0066b2abc6d740ce9686d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64c84a632ec41bbcff5367762fc0b68917f861dd3c0066b2abc6d740ce9686d7", kill_on_drop: false }` [INFO] [stdout] 64c84a632ec41bbcff5367762fc0b68917f861dd3c0066b2abc6d740ce9686d7