[INFO] crate rust_asio 0.6.0 is already in cache
[INFO] extracting crate rust_asio 0.6.0 into work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/rust_asio/0.6.0
[INFO] extracting crate rust_asio 0.6.0 into work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/rust_asio/0.6.0
[INFO] validating manifest of rust_asio-0.6.0 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust_asio-0.6.0 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust_asio-0.6.0
[INFO] finished frobbing rust_asio-0.6.0
[INFO] frobbed toml for rust_asio-0.6.0 written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/rust_asio/0.6.0/Cargo.toml
[INFO] started frobbing rust_asio-0.6.0
[INFO] finished frobbing rust_asio-0.6.0
[INFO] frobbed toml for rust_asio-0.6.0 written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/rust_asio/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust_asio-0.6.0 against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-7/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/rust_asio/0.6.0:/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aba43c57d983874fa84397156cb1b2ebb4b959993a657754118d6679585f8b15
[INFO] running `"docker" "start" "-a" "aba43c57d983874fa84397156cb1b2ebb4b959993a657754118d6679585f8b15"`
[INFO] [stderr]    Compiling context v1.0.1
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking rust_asio v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | #[macro_use] extern crate bitflags;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | / macro_rules! libc_unwrap {
[INFO] [stderr] 120 | |     ($expr:expr) => (
[INFO] [stderr] 121 | |         match unsafe { $expr } {
[INFO] [stderr] 122 | |             rc if rc >= 0 => rc,
[INFO] [stderr] ...   |
[INFO] [stderr] 125 | |     )
[INFO] [stderr] 126 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | #[macro_use] extern crate bitflags;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | / macro_rules! libc_unwrap {
[INFO] [stderr] 120 | |     ($expr:expr) => (
[INFO] [stderr] 121 | |         match unsafe { $expr } {
[INFO] [stderr] 122 | |             rc if rc >= 0 => rc,
[INFO] [stderr] ...   |
[INFO] [stderr] 125 | |     )
[INFO] [stderr] 126 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/ip/icmp.rs:129:26
[INFO] [stderr]     |
[INFO] [stderr] 129 |     for ep in re.resolve(("localhost")).unwrap() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.92s
[INFO] running `"docker" "inspect" "aba43c57d983874fa84397156cb1b2ebb4b959993a657754118d6679585f8b15"`
[INFO] running `"docker" "rm" "-f" "aba43c57d983874fa84397156cb1b2ebb4b959993a657754118d6679585f8b15"`
[INFO] [stdout] aba43c57d983874fa84397156cb1b2ebb4b959993a657754118d6679585f8b15