[INFO] updating cached repository lolzballs/stunnel
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lolzballs/stunnel
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lolzballs/stunnel" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lolzballs/stunnel"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lolzballs/stunnel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lolzballs/stunnel" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/lolzballs/stunnel"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/lolzballs/stunnel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 02d0a84642563a224cd1c0de53e6d7c84d7ca96a
[INFO] sha for GitHub repo lolzballs/stunnel: 02d0a84642563a224cd1c0de53e6d7c84d7ca96a
[INFO] validating manifest of lolzballs/stunnel on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lolzballs/stunnel on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lolzballs/stunnel
[INFO] finished frobbing lolzballs/stunnel
[INFO] frobbed toml for lolzballs/stunnel written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lolzballs/stunnel/Cargo.toml
[INFO] started frobbing lolzballs/stunnel
[INFO] finished frobbing lolzballs/stunnel
[INFO] frobbed toml for lolzballs/stunnel written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/lolzballs/stunnel/Cargo.toml
[INFO] crate lolzballs/stunnel already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking lolzballs/stunnel against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lolzballs/stunnel:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 97671e207454d4c9a1682e270f92118417d4724b2e8c00eaf76a8d1bcf93dfe4
[INFO] running `"docker" "start" "-a" "97671e207454d4c9a1682e270f92118417d4724b2e8c00eaf76a8d1bcf93dfe4"`
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking tokio-tls v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking stunnel v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `native_tls::TlsConnector`
[INFO] [stderr]  --> src/tunnel.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use native_tls::TlsConnector;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `native_tls::TlsConnector`
[INFO] [stderr]  --> src/tunnel.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use native_tls::TlsConnector;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / error_chain!{
[INFO] [stderr] 4 | |     foreign_links {
[INFO] [stderr] 5 | |         Io(::std::io::Error);
[INFO] [stderr] 6 | |         Toml(::toml::de::Error);
[INFO] [stderr] 7 | |     }
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / error_chain!{
[INFO] [stderr] 4 | |     foreign_links {
[INFO] [stderr] 5 | |         Io(::std::io::Error);
[INFO] [stderr] 6 | |         Toml(::toml::de::Error);
[INFO] [stderr] 7 | |     }
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / error_chain!{
[INFO] [stderr] 4 | |     foreign_links {
[INFO] [stderr] 5 | |         Io(::std::io::Error);
[INFO] [stderr] 6 | |         Toml(::toml::de::Error);
[INFO] [stderr] 7 | |     }
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / error_chain!{
[INFO] [stderr] 4 | |     foreign_links {
[INFO] [stderr] 5 | |         Io(::std::io::Error);
[INFO] [stderr] 6 | |         Toml(::toml::de::Error);
[INFO] [stderr] 7 | |     }
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `done`
[INFO] [stderr]    --> src/server.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |             let done = match try!(stream.poll()) {
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_done`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `done`
[INFO] [stderr]    --> src/server.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let done = match try!(stream.poll()) {
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_done`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `done`
[INFO] [stderr]    --> src/server.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |             let done = match try!(stream.poll()) {
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_done`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `done`
[INFO] [stderr]    --> src/server.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let done = match try!(stream.poll()) {
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_done`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.10s
[INFO] running `"docker" "inspect" "97671e207454d4c9a1682e270f92118417d4724b2e8c00eaf76a8d1bcf93dfe4"`
[INFO] running `"docker" "rm" "-f" "97671e207454d4c9a1682e270f92118417d4724b2e8c00eaf76a8d1bcf93dfe4"`
[INFO] [stdout] 97671e207454d4c9a1682e270f92118417d4724b2e8c00eaf76a8d1bcf93dfe4