[INFO] crate libsocket 0.1.1 is already in cache
[INFO] testing libsocket-0.1.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate libsocket 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libsocket 0.1.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsocket 0.1.1
[INFO] finished tweaking crates.io crate libsocket 0.1.1
[INFO] tweaked toml for crates.io crate libsocket 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54b0fa24c615c2538c953bf50849007a9be3b946cbd3e380e731e3b2bcf1caef
[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" "54b0fa24c615c2538c953bf50849007a9be3b946cbd3e380e731e3b2bcf1caef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b0fa24c615c2538c953bf50849007a9be3b946cbd3e380e731e3b2bcf1caef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b0fa24c615c2538c953bf50849007a9be3b946cbd3e380e731e3b2bcf1caef", kill_on_drop: false }`
[INFO] [stdout] 54b0fa24c615c2538c953bf50849007a9be3b946cbd3e380e731e3b2bcf1caef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96831000e62c5f6f0288c23aa0af0a4d69be04f3092cb078b3d14636152594b
[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" "b96831000e62c5f6f0288c23aa0af0a4d69be04f3092cb078b3d14636152594b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling libsocket v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stdout] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stdout] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     }
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stdout] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stdout] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     }
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / bitflags! {
[INFO] [stdout] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stdout] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stdout] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / bitflags! {
[INFO] [stdout] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stdout] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stdout] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "b96831000e62c5f6f0288c23aa0af0a4d69be04f3092cb078b3d14636152594b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96831000e62c5f6f0288c23aa0af0a4d69be04f3092cb078b3d14636152594b", kill_on_drop: false }`
[INFO] [stdout] b96831000e62c5f6f0288c23aa0af0a4d69be04f3092cb078b3d14636152594b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 558e6930024b7215db8a78f53318fc62f55b6435aea50baceec3d362d0e29c2b
[INFO] running `Command { std: "docker" "start" "-a" "558e6930024b7215db8a78f53318fc62f55b6435aea50baceec3d362d0e29c2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libsocket v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stdout] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stdout] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     }
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stdout] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stdout] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     }
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / bitflags! {
[INFO] [stdout] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stdout] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stdout] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / bitflags! {
[INFO] [stdout] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stdout] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stdout] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stdout] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stdout] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     }
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / bitflags! {
[INFO] [stdout] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stdout] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stdout] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     }
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / bitflags! {
[INFO] [stdout] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stdout] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stdout] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / bitflags! {
[INFO] [stdout] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stdout] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stdout] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "558e6930024b7215db8a78f53318fc62f55b6435aea50baceec3d362d0e29c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558e6930024b7215db8a78f53318fc62f55b6435aea50baceec3d362d0e29c2b", kill_on_drop: false }`
[INFO] [stdout] 558e6930024b7215db8a78f53318fc62f55b6435aea50baceec3d362d0e29c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f4197ddf8b72f19397e18fea0ba73c05a97f12e215b0965de77a8c628f24d2b
[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" "6f4197ddf8b72f19397e18fea0ba73c05a97f12e215b0965de77a8c628f24d2b", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / bitflags! {
[INFO] [stderr] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stderr] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stderr] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     }
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / bitflags! {
[INFO] [stderr] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stderr] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stderr] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     }
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / bitflags! {
[INFO] [stderr] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stderr] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stderr] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     }
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / bitflags! {
[INFO] [stderr] 25 | |     pub flags SocketType: libc::c_int {
[INFO] [stderr] 26 | |         const SOCK_STREAM   = libc::SOCK_STREAM,
[INFO] [stderr] 27 | |         const SOCK_DGRAM    = libc::SOCK_DGRAM,
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     }
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / bitflags! {
[INFO] [stderr] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stderr] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stderr] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / bitflags! {
[INFO] [stderr] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stderr] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stderr] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / bitflags! {
[INFO] [stderr] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stderr] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stderr] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / bitflags! {
[INFO] [stderr] 35 | |     pub flags IoFlags: libc::c_int {
[INFO] [stderr] 36 | |         const MSG_CMSG_DONTWAIT = 0x0040,
[INFO] [stderr] 37 | |         const MSG_ERRQUEUE      = 0x2000,
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libsocket-a35e9bba5eb5384b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libsocket
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f4197ddf8b72f19397e18fea0ba73c05a97f12e215b0965de77a8c628f24d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4197ddf8b72f19397e18fea0ba73c05a97f12e215b0965de77a8c628f24d2b", kill_on_drop: false }`
[INFO] [stdout] 6f4197ddf8b72f19397e18fea0ba73c05a97f12e215b0965de77a8c628f24d2b