[INFO] fetching crate fcp_switching 0.1.0...
[INFO] checking fcp_switching-0.1.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate fcp_switching 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fcp_switching 0.1.0 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31222065550fba42d52c5a1b7463cc40223924a2307991bd3c0459b4f41d9797
[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" "31222065550fba42d52c5a1b7463cc40223924a2307991bd3c0459b4f41d9797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31222065550fba42d52c5a1b7463cc40223924a2307991bd3c0459b4f41d9797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31222065550fba42d52c5a1b7463cc40223924a2307991bd3c0459b4f41d9797", kill_on_drop: false }`
[INFO] [stdout] 31222065550fba42d52c5a1b7463cc40223924a2307991bd3c0459b4f41d9797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b68390cc706d8decbb69edc7407de398f5912825564b45e832cbd55dd1cfe39
[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" "2b68390cc706d8decbb69edc7407de398f5912825564b45e832cbd55dd1cfe39", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking simple_bencode v0.1.4
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fcp_switching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/route_packet.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let query = try!(simple_bencode::decoding_helpers::pop_value_utf8_string_option(&mut map, "q".to_owned()));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/route_packet.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let encoding_index = try!(simple_bencode::decoding_helpers::pop_value_integer_option(&mut map, "ei".to_owned()));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/route_packet.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...   let encoding_scheme = try!(simple_bencode::decoding_helpers::pop_value_bytestring_option(&mut map, "es".to_owned())).map(EncodingSc...
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/route_packet.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let nodes = try!(simple_bencode::decoding_helpers::pop_value_bytestring_option(&mut map, "n".to_owned()));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/route_packet.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let node_protocol_versions = try!(simple_bencode::decoding_helpers::pop_value_bytestring_option(&mut map, "np".to_owned()));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/route_packet.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let target_address = try!(simple_bencode::decoding_helpers::pop_value_bytestring_option(&mut map, "tar".to_owned()));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/route_packet.rs:80:30
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let transaction_id = try!(simple_bencode::decoding_helpers::pop_value_bytestring(&mut map, "txid".to_owned()));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/route_packet.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let protocol_version = try!(simple_bencode::decoding_helpers::pop_value_integer(&mut map, "p".to_owned()));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/route_packet.rs:140:53
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let (nb, nodes, version_length, versions) = try!(self.check_nodes());
[INFO] [stdout]     |                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checksum`
[INFO] [stdout]   --> src/control.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let checksum = BigEndian::read_u16(&raw[0..2]); // TODO: check checksum
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling tar v0.4.29
[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-d03697dc02b6ec96/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-00043ba9923c4d1f/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:     0x564e573a3985 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x564e573a3985 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x564e573a3985 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x564e573a3985 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x564e573c757c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x564e573a04c2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x564e573a5f40 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x564e573a5f40 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x564e573a5f40 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x564e573a5c8c - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x564e573a6583 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x564e573a617b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x564e573a60eb - std::panicking::begin_panic_fmt::h2ff295231415d4a6
[INFO] [stderr]                                  at src/libstd/panicking.rs:391
[INFO] [stderr]     13:     0x564e57331e1b - build_script_build::main::h6cc643277cb306d8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust_sodium-sys-0.1.2/build.rs:194
[INFO] [stderr]     14:     0x564e5733cd4b - std::rt::lang_start::{{closure}}::h050aaf61e2b5e987
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libstd/rt.rs:67
[INFO] [stderr]     15:     0x564e573a6953 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     16:     0x564e573a6953 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     17:     0x564e573a6953 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     18:     0x564e573a6953 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     19:     0x564e573a6953 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     20:     0x564e5733cd27 - std::rt::lang_start::hfecfbb71adc7f41c
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libstd/rt.rs:67
[INFO] [stderr]     21:     0x564e57334c1a - main
[INFO] [stderr]     22:     0x7f5fbbe170b3 - __libc_start_main
[INFO] [stderr]     23:     0x564e573311ce - _start
[INFO] [stderr]     24:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2b68390cc706d8decbb69edc7407de398f5912825564b45e832cbd55dd1cfe39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b68390cc706d8decbb69edc7407de398f5912825564b45e832cbd55dd1cfe39", kill_on_drop: false }`
[INFO] [stdout] 2b68390cc706d8decbb69edc7407de398f5912825564b45e832cbd55dd1cfe39
