[INFO] crate rust_asio 0.6.0 is already in cache
[INFO] extracting crate rust_asio 0.6.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rust_asio/0.6.0
[INFO] extracting crate rust_asio 0.6.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rust_asio/0.6.0
[INFO] validating manifest of rust_asio-0.6.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust_asio-0.6.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rust_asio/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building rust_asio-0.6.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 8dc3b8373b5d04806bb6820878b65adcd468d084ef437e24397dd749a753b1aa
[INFO] running `"docker" "start" "-a" "8dc3b8373b5d04806bb6820878b65adcd468d084ef437e24397dd749a753b1aa"`
[INFO] [stderr]    Compiling context v1.0.1
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `"docker" "inspect" "8dc3b8373b5d04806bb6820878b65adcd468d084ef437e24397dd749a753b1aa"`
[INFO] running `"docker" "rm" "-f" "8dc3b8373b5d04806bb6820878b65adcd468d084ef437e24397dd749a753b1aa"`
[INFO] [stdout] 8dc3b8373b5d04806bb6820878b65adcd468d084ef437e24397dd749a753b1aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3fb5d86170e350445df33b186c6a4d13d782c03ada7746a2ec6d6a5f9f1a3a11
[INFO] running `"docker" "start" "-a" "3fb5d86170e350445df33b186c6a4d13d782c03ada7746a2ec6d6a5f9f1a3a11"`
[INFO] [stderr]    Compiling 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: 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] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/core/mod.rs:309:52
[INFO] [stderr]     |
[INFO] [stderr] 309 |     use std::sync::atomic::{Ordering, AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/core/mod.rs:311:33
[INFO] [stderr]     |
[INFO] [stderr] 311 |     static COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.43s
[INFO] running `"docker" "inspect" "3fb5d86170e350445df33b186c6a4d13d782c03ada7746a2ec6d6a5f9f1a3a11"`
[INFO] running `"docker" "rm" "-f" "3fb5d86170e350445df33b186c6a4d13d782c03ada7746a2ec6d6a5f9f1a3a11"`
[INFO] [stdout] 3fb5d86170e350445df33b186c6a4d13d782c03ada7746a2ec6d6a5f9f1a3a11