[INFO] fetching crate tls-async 0.3.0-alpha.7...
[INFO] extracting crate tls-async 0.3.0-alpha.7 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/tls-async/0.3.0-alpha.7
[INFO] extracting crate tls-async 0.3.0-alpha.7 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/tls-async/0.3.0-alpha.7
[INFO] validating manifest of tls-async-0.3.0-alpha.7 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tls-async-0.3.0-alpha.7 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tls-async-0.3.0-alpha.7
[INFO] finished frobbing tls-async-0.3.0-alpha.7
[INFO] frobbed toml for tls-async-0.3.0-alpha.7 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/tls-async/0.3.0-alpha.7/Cargo.toml
[INFO] started frobbing tls-async-0.3.0-alpha.7
[INFO] finished frobbing tls-async-0.3.0-alpha.7
[INFO] frobbed toml for tls-async-0.3.0-alpha.7 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/tls-async/0.3.0-alpha.7/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking tls-async-0.3.0-alpha.7 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/tls-async/0.3.0-alpha.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4b444c72b9b2124f678dd716ebb166ac8ca0b350893b0355fa419d1affe207b3
[INFO] running `"docker" "start" "-a" "4b444c72b9b2124f678dd716ebb166ac8ca0b350893b0355fa419d1affe207b3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking romio v0.3.0-alpha.9
[INFO] [stderr]     Checking tls-async v0.3.0-alpha.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `openssl`
[INFO] [stderr]   --> tests/bad.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         use openssl;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/echo.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |             let (mut reader, mut writer) = tls.split();
[INFO] [stderr]    |                  ----^^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ONCE_INIT`, `Once`
[INFO] [stderr]    --> tests/smoke.rs:207:25
[INFO] [stderr]     |
[INFO] [stderr] 207 |         use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]     |                         ^^^^  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.88s
[INFO] running `"docker" "inspect" "4b444c72b9b2124f678dd716ebb166ac8ca0b350893b0355fa419d1affe207b3"`
[INFO] running `"docker" "rm" "-f" "4b444c72b9b2124f678dd716ebb166ac8ca0b350893b0355fa419d1affe207b3"`
[INFO] [stdout] 4b444c72b9b2124f678dd716ebb166ac8ca0b350893b0355fa419d1affe207b3