[INFO] fetching crate tun-driver 0.1.0...
[INFO] checking tun-driver-0.1.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate tun-driver 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tun-driver 0.1.0 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tun-driver 0.1.0
[INFO] finished tweaking crates.io crate tun-driver 0.1.0
[INFO] tweaked toml for crates.io crate tun-driver 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12a01c2fb01a7d6b650c5902999ace52c8ac3fd7a2febea6c9539f4d2da39bd3
[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" "12a01c2fb01a7d6b650c5902999ace52c8ac3fd7a2febea6c9539f4d2da39bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12a01c2fb01a7d6b650c5902999ace52c8ac3fd7a2febea6c9539f4d2da39bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a01c2fb01a7d6b650c5902999ace52c8ac3fd7a2febea6c9539f4d2da39bd3", kill_on_drop: false }`
[INFO] [stdout] 12a01c2fb01a7d6b650c5902999ace52c8ac3fd7a2febea6c9539f4d2da39bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5455c885ae156ba560a2ec6499bb74a383d8f6476abacc26dc39b8b1d6fe5108
[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" "5455c885ae156ba560a2ec6499bb74a383d8f6476abacc26dc39b8b1d6fe5108", kill_on_drop: false }`
[INFO] [stderr]    Compiling tun-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Handle`
[INFO] [stdout]   --> src/async.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | use self::tokio::reactor::{Handle, PollEvented2};
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/lib.rs:143:85
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let result = unsafe { tuntap_setup(fd.as_raw_fd(), name_ptr, mode as c_int, { if packet_info { 1 } else { 0 } }) };
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Handle`
[INFO] [stdout]   --> src/async.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | use self::tokio::reactor::{Handle, PollEvented2};
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/lib.rs:143:85
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let result = unsafe { tuntap_setup(fd.as_raw_fd(), name_ptr, mode as c_int, { if packet_info { 1 } else { 0 } }) };
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `tokio_core`
[INFO] [stdout]   --> examples/vpn.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | extern crate tokio_core;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tun-driver`.
[INFO] [stdout] error[E0463]: can't find crate for `tokio_core`
[INFO] [stdout]   --> examples/tokio.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate tokio_core;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0463]: can't find crate for `tun_tap`
[INFO] [stdout]  --> examples/dump_iface.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate tun_tap;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `tun_tap`
[INFO] [stdout]   --> examples/pingpong.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate tun_tap;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5455c885ae156ba560a2ec6499bb74a383d8f6476abacc26dc39b8b1d6fe5108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5455c885ae156ba560a2ec6499bb74a383d8f6476abacc26dc39b8b1d6fe5108", kill_on_drop: false }`
[INFO] [stdout] 5455c885ae156ba560a2ec6499bb74a383d8f6476abacc26dc39b8b1d6fe5108