[INFO] crate fcp_switching 0.1.0 is already in cache
[INFO] checking fcp_switching-0.1.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate fcp_switching 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fcp_switching 0.1.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fcp_switching 0.1.0
[INFO] finished tweaking crates.io crate fcp_switching 0.1.0
[INFO] tweaked toml for crates.io crate fcp_switching 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] daa0f72d9cadca9a2f24595e3190bc0456b53ef7a09e421b3350e2c2c40e4533
[INFO] running `"docker" "start" "-a" "daa0f72d9cadca9a2f24595e3190bc0456b53ef7a09e421b3350e2c2c40e4533"`
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]     Checking simple_bencode v0.1.4
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]     Checking fcp_switching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/route_packet.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let query = try!(simple_bencode::decoding_helpers::pop_value_utf8_string_option(&mut map, "q".to_owned()));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/route_packet.rs:75:30
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let encoding_index = try!(simple_bencode::decoding_helpers::pop_value_integer_option(&mut map, "ei".to_owned()));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/route_packet.rs:76:31
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let encoding_scheme = try!(simple_bencode::decoding_helpers::pop_value_bytestring_option(&mut map, "es".to_owned())).map(EncodingScheme::new);
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/route_packet.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let nodes = try!(simple_bencode::decoding_helpers::pop_value_bytestring_option(&mut map, "n".to_owned()));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/route_packet.rs:78:38
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let node_protocol_versions = try!(simple_bencode::decoding_helpers::pop_value_bytestring_option(&mut map, "np".to_owned()));
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/route_packet.rs:79:30
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let target_address = try!(simple_bencode::decoding_helpers::pop_value_bytestring_option(&mut map, "tar".to_owned()));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/route_packet.rs:80:30
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let transaction_id = try!(simple_bencode::decoding_helpers::pop_value_bytestring(&mut map, "txid".to_owned()));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/route_packet.rs:81:32
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let protocol_version = try!(simple_bencode::decoding_helpers::pop_value_integer(&mut map, "p".to_owned()));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/route_packet.rs:140:53
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let (nb, nodes, version_length, versions) = try!(self.check_nodes());
[INFO] [stderr]     |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checksum`
[INFO] [stderr]   --> src/control.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let checksum = BigEndian::read_u16(&raw[0..2]); // TODO: check checksum
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling rust_sodium-sys v0.1.2
[INFO] [stderr] error: failed to run custom build command for `rust_sodium-sys v0.1.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rust_sodium-sys-9b954307a914b8f7/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] "curl" "https://github.com/jedisct1/libsodium/releases/download/1.0.11/libsodium-1.0.11.tar.gz" "-sSLvo" "/opt/rustwide/target/debug/build/rust_sodium-sys-7f4cbda2a35c3a8d/out/source/libsodium-1.0.11.tar.gz"
[INFO] [stderr] 
[INFO] [stderr] * Could not resolve host: github.com
[INFO] [stderr] * Closing connection 0
[INFO] [stderr] curl: (6) Could not resolve host: github.com
[INFO] [stderr] 
[INFO] [stderr] ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust_sodium-sys-0.1.2/build.rs:194:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55fe81d85594 - backtrace::backtrace::libunwind::trace::hda902e3a4eb9d449
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55fe81d85594 - backtrace::backtrace::trace_unsynchronized::h06df0062bb63b7e2
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55fe81d85594 - std::sys_common::backtrace::_print_fmt::ha5249daf78f399e8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55fe81d85594 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h68243ef2eafa8843
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55fe81daa08c - core::fmt::write::h8b50d07b82ae3922
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55fe81d82253 - std::io::Write::write_fmt::h9a5b9a212b705549
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x55fe81d87bf5 - std::sys_common::backtrace::_print::hcd11fe8eb9e7335d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55fe81d87bf5 - std::sys_common::backtrace::print::h475286256f91474c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55fe81d87bf5 - std::panicking::default_hook::{{closure}}::h2a45e9d6ef27161b
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55fe81d87932 - std::panicking::default_hook::h76adec688b27abdd
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55fe81d88202 - std::panicking::rust_panic_with_hook::h121f4f2c52efbcbf
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55fe81d87deb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55fe81d87d5b - std::panicking::begin_panic_fmt::h5f1d91daa2b5823b
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   13:     0x55fe81d0e639 - build_script_build::main::h3b306e6221d48260
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust_sodium-sys-0.1.2/build.rs:194
[INFO] [stderr]   14:     0x55fe81d1416b - std::rt::lang_start::{{closure}}::hb2bb33cc3bf110da
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67
[INFO] [stderr]   15:     0x55fe81d88648 - std::rt::lang_start_internal::{{closure}}::h15b56bd7f81214ad
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   16:     0x55fe81d88648 - std::panicking::try::do_call::hbe8467da291bc822
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   17:     0x55fe81d88648 - std::panicking::try::hde3b5cbc6989304d
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   18:     0x55fe81d88648 - std::panic::catch_unwind::h56844acb323fdd6c
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x55fe81d88648 - std::rt::lang_start_internal::hae379591a9420b87
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   20:     0x55fe81d14147 - std::rt::lang_start::h5a46eabcc0fa70c7
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67
[INFO] [stderr]   21:     0x55fe81d1143a - main
[INFO] [stderr]   22:     0x7f48dbdb4b97 - __libc_start_main
[INFO] [stderr]   23:     0x55fe81d0d9ca - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "daa0f72d9cadca9a2f24595e3190bc0456b53ef7a09e421b3350e2c2c40e4533"`
[INFO] running `"docker" "rm" "-f" "daa0f72d9cadca9a2f24595e3190bc0456b53ef7a09e421b3350e2c2c40e4533"`
[INFO] [stdout] daa0f72d9cadca9a2f24595e3190bc0456b53ef7a09e421b3350e2c2c40e4533
