Dec 19 09:20:32.113 INFO checking sbwtw/tower against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:20:32.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/sbwtw/tower:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:20:32.552 INFO [stdout] 21f72dc64bee6404422231334e8a670e32349b653378e4e21fd6ed9837bfcdae
Dec 19 09:20:32.560 INFO running `"docker" "start" "-a" "21f72dc64bee6404422231334e8a670e32349b653378e4e21fd6ed9837bfcdae"`
Dec 19 09:20:34.168 INFO [stderr]    Compiling openssl v0.9.11
Dec 19 09:20:34.181 INFO [stderr]    Compiling openssl-sys v0.9.11
Dec 19 09:20:34.192 INFO [stderr]    Compiling libsqlite3-sys v0.8.0
Dec 19 09:20:34.192 INFO [stderr]     Checking thread-id v3.0.0
Dec 19 09:20:34.200 INFO [stderr]     Checking atty v0.2.2
Dec 19 09:20:34.233 INFO [stderr]     Checking term_size v0.3.0
Dec 19 09:20:34.755 INFO [stderr]     Checking thread_local v0.3.3
Dec 19 09:20:35.040 INFO [stderr]     Checking clap v2.23.3
Dec 19 09:20:35.735 INFO [stderr]     Checking regex v0.2.1
Dec 19 09:20:38.262 INFO [stderr]     Checking rusqlite v0.11.0
Dec 19 09:20:41.412 INFO [stderr]     Checking env_logger v0.4.2
Dec 19 09:20:43.823 INFO [stderr]     Checking native-tls v0.1.2
Dec 19 09:20:44.330 INFO [stderr]     Checking hyper-native-tls v0.2.2
Dec 19 09:20:46.134 INFO [stderr]     Checking tower v0.1.0 (/opt/crater/workdir)
Dec 19 09:20:46.632 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 19 09:20:46.632 INFO [stderr]    --> src/main.rs:545:16
Dec 19 09:20:46.632 INFO [stderr]     |
Dec 19 09:20:46.632 INFO [stderr] 545 |     let home = home_dir().unwrap();
Dec 19 09:20:46.632 INFO [stderr]     |                ^^^^^^^^
Dec 19 09:20:46.632 INFO [stderr]     |
Dec 19 09:20:46.632 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 19 09:20:46.632 INFO [stderr] 
Dec 19 09:20:46.680 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 19 09:20:46.680 INFO [stderr]    --> src/main.rs:545:16
Dec 19 09:20:46.680 INFO [stderr]     |
Dec 19 09:20:46.680 INFO [stderr] 545 |     let home = home_dir().unwrap();
Dec 19 09:20:46.680 INFO [stderr]     |                ^^^^^^^^
Dec 19 09:20:46.680 INFO [stderr]     |
Dec 19 09:20:46.680 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 19 09:20:46.680 INFO [stderr] 
Dec 19 09:20:47.036 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:20:47.036 INFO [stderr]   --> src/main.rs:96:17
Dec 19 09:20:47.036 INFO [stderr]    |
Dec 19 09:20:47.036 INFO [stderr] 96 |             let mut headers = &mut self.headers;
Dec 19 09:20:47.036 INFO [stderr]    |                 ----^^^^^^^
Dec 19 09:20:47.036 INFO [stderr]    |                 |
Dec 19 09:20:47.036 INFO [stderr]    |                 help: remove this `mut`
Dec 19 09:20:47.036 INFO [stderr]    |
Dec 19 09:20:47.036 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:20:47.036 INFO [stderr] 
Dec 19 09:20:47.116 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:20:47.116 INFO [stderr]   --> src/main.rs:96:17
Dec 19 09:20:47.116 INFO [stderr]    |
Dec 19 09:20:47.116 INFO [stderr] 96 |             let mut headers = &mut self.headers;
Dec 19 09:20:47.116 INFO [stderr]    |                 ----^^^^^^^
Dec 19 09:20:47.116 INFO [stderr]    |                 |
Dec 19 09:20:47.116 INFO [stderr]    |                 help: remove this `mut`
Dec 19 09:20:47.116 INFO [stderr]    |
Dec 19 09:20:47.116 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:20:47.116 INFO [stderr] 
Dec 19 09:20:47.261 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.30s
Dec 19 09:20:48.326 INFO running `"docker" "inspect" "21f72dc64bee6404422231334e8a670e32349b653378e4e21fd6ed9837bfcdae"`
Dec 19 09:20:48.668 INFO running `"docker" "rm" "-f" "21f72dc64bee6404422231334e8a670e32349b653378e4e21fd6ed9837bfcdae"`
Dec 19 09:20:48.952 INFO [stdout] 21f72dc64bee6404422231334e8a670e32349b653378e4e21fd6ed9837bfcdae