[INFO] crate tun-tap-new 0.1.0 is already in cache
[INFO] extracting crate tun-tap-new 0.1.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tun-tap-new/0.1.0
[INFO] extracting crate tun-tap-new 0.1.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tun-tap-new/0.1.0
[INFO] validating manifest of tun-tap-new-0.1.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tun-tap-new-0.1.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tun-tap-new-0.1.0
[INFO] finished frobbing tun-tap-new-0.1.0
[INFO] frobbed toml for tun-tap-new-0.1.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tun-tap-new/0.1.0/Cargo.toml
[INFO] started frobbing tun-tap-new-0.1.0
[INFO] finished frobbing tun-tap-new-0.1.0
[INFO] frobbed toml for tun-tap-new-0.1.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tun-tap-new/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tun-tap-new-0.1.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tun-tap-new/0.1.0:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4907a9d0fcf7c936a91d0316e5a990b5337e0790df32b4c2b663f9e3f667d4b0
[INFO] running `"docker" "start" "-a" "4907a9d0fcf7c936a91d0316e5a990b5337e0790df32b4c2b663f9e3f667d4b0"`
[INFO] [stderr]    Compiling tun-tap-new v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking pulldown-cmark v0.1.2
[INFO] [stderr]     Checking version-sync v0.5.0
[INFO] [stderr] warning: unused import: `Handle`
[INFO] [stderr]   --> src/async.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | use self::tokio::reactor::{Handle, PollEvented2};
[INFO] [stderr]    |                            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `tokio_core`
[INFO] [stderr]   --> examples/tokio.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | extern crate tokio_core;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `tokio_core`
[INFO] [stderr]   --> examples/vpn.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | extern crate tokio_core;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `tun-tap-new`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `tun_tap`
[INFO] [stderr]   --> examples/pingpong.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | extern crate tun_tap;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] error: Could not compile `tun-tap-new`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `tun-tap-new`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `tun_tap`
[INFO] [stderr]  --> examples/dump_iface.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | extern crate tun_tap;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `tun-tap-new`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `Handle`
[INFO] [stderr]   --> src/async.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | use self::tokio::reactor::{Handle, PollEvented2};
[INFO] [stderr]    |                            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4907a9d0fcf7c936a91d0316e5a990b5337e0790df32b4c2b663f9e3f667d4b0"`
[INFO] running `"docker" "rm" "-f" "4907a9d0fcf7c936a91d0316e5a990b5337e0790df32b4c2b663f9e3f667d4b0"`
[INFO] [stdout] 4907a9d0fcf7c936a91d0316e5a990b5337e0790df32b4c2b663f9e3f667d4b0