[INFO] crate fcp_switching 0.1.0 is already in cache
[INFO] extracting crate fcp_switching 0.1.0 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/fcp_switching/0.1.0
[INFO] extracting crate fcp_switching 0.1.0 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/fcp_switching/0.1.0
[INFO] validating manifest of fcp_switching-0.1.0 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fcp_switching-0.1.0 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fcp_switching-0.1.0
[INFO] finished frobbing fcp_switching-0.1.0
[INFO] frobbed toml for fcp_switching-0.1.0 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/fcp_switching/0.1.0/Cargo.toml
[INFO] started frobbing fcp_switching-0.1.0
[INFO] finished frobbing fcp_switching-0.1.0
[INFO] frobbed toml for fcp_switching-0.1.0 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/fcp_switching/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fcp_switching-0.1.0 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-7/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/fcp_switching/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4d8fb7f96d5d97aa1d8c289759acd6d026e659dd3624da265c96e83878008db7
[INFO] running `"docker" "start" "-a" "4d8fb7f96d5d97aa1d8c289759acd6d026e659dd3624da265c96e83878008db7"`
[INFO] [stderr]     Checking simple_bencode v0.1.4
[INFO] [stderr]    Compiling rust_sodium-sys v0.1.2
[INFO] [stderr]     Checking fcp_switching v0.1.0 (/opt/crater/workdir)
[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: consider prefixing with an underscore: `_checksum`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `rust_sodium-sys v0.1.2`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rust_sodium-sys-7f45cecd1814d12f/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/crater/target/debug/build/rust_sodium-sys-9bbdcb98b8bea79d/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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust_sodium-sys-0.1.2/build.rs:194:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564c9f3e21e3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h7aadc0cd0200bfa1
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x564c9f3de19b - std::sys_common::backtrace::_print::habd134a286bfba38
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x564c9f3e0f36 - std::panicking::default_hook::{{closure}}::hd94f18835aba473a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x564c9f3e0cb4 - std::panicking::default_hook::h99a92ddce85dceb4
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x564c9f3e158f - std::panicking::rust_panic_with_hook::h8bcb3c7c60705e36
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x564c9f3e1111 - std::panicking::continue_panic_fmt::h4b094e2850b015aa
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]    6:     0x564c9f3e105e - std::panicking::begin_panic_fmt::hd6d6cd38632fb9bd
[INFO] [stderr]                                at src/libstd/panicking.rs:340
[INFO] [stderr]    7:     0x564c9f355389 - build_script_build::main::h09e598271b698fa1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust_sodium-sys-0.1.2/build.rs:194
[INFO] [stderr]    8:     0x564c9f35c02f - std::rt::lang_start::{{closure}}::hb21083f8caf68562
[INFO] [stderr]                                at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libstd/rt.rs:64
[INFO] [stderr]    9:     0x564c9f3e0fe2 - std::panicking::try::do_call::h435a7fe0c4ef258b
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   10:     0x564c9f3e8619 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   11:     0x564c9f3e1a9c - std::rt::lang_start_internal::hb1a1620f4024e611
[INFO] [stderr]                                at src/libstd/panicking.rs:276
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   12:     0x564c9f35c008 - std::rt::lang_start::he915c825e797dbb7
[INFO] [stderr]                                at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x564c9f357e99 - main
[INFO] [stderr]   14:     0x7f85662c92e0 - __libc_start_main
[INFO] [stderr]   15:     0x564c9f3546f9 - _start
[INFO] [stderr]   16:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "4d8fb7f96d5d97aa1d8c289759acd6d026e659dd3624da265c96e83878008db7"`
[INFO] running `"docker" "rm" "-f" "4d8fb7f96d5d97aa1d8c289759acd6d026e659dd3624da265c96e83878008db7"`
[INFO] [stdout] 4d8fb7f96d5d97aa1d8c289759acd6d026e659dd3624da265c96e83878008db7