Dec 19 09:20:32.513 INFO checking sbwtw/tower against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:20:32.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:20:33.001 INFO [stdout] 534045bf85dda919a8aa3260f6f00579f4cce1e9fb345ac6fffa08f32ce6d54c
Dec 19 09:20:33.006 INFO running `"docker" "start" "-a" "534045bf85dda919a8aa3260f6f00579f4cce1e9fb345ac6fffa08f32ce6d54c"`
Dec 19 09:20:34.970 INFO [stderr]    Compiling openssl v0.9.11
Dec 19 09:20:34.976 INFO [stderr]     Checking httparse v1.2.2
Dec 19 09:20:34.976 INFO [stderr]     Checking vec_map v0.7.0
Dec 19 09:20:34.976 INFO [stderr]    Compiling libsqlite3-sys v0.8.0
Dec 19 09:20:34.976 INFO [stderr]    Compiling openssl-sys v0.9.11
Dec 19 09:20:34.976 INFO [stderr]     Checking unicode-bidi v0.2.5
Dec 19 09:20:34.976 INFO [stderr]     Checking memchr v1.0.1
Dec 19 09:20:34.976 INFO [stderr]     Checking thread-id v3.0.0
Dec 19 09:20:35.560 INFO [stderr]     Checking atty v0.2.2
Dec 19 09:20:37.169 INFO [stderr]     Checking term_size v0.3.0
Dec 19 09:20:37.171 INFO [stderr]     Checking mime v0.2.3
Dec 19 09:20:37.432 INFO [stderr]    Compiling hyper v0.10.9
Dec 19 09:20:38.235 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 19 09:20:38.316 INFO [stderr]     Checking thread_local v0.3.3
Dec 19 09:20:38.316 INFO [stderr]     Checking idna v0.1.1
Dec 19 09:20:38.576 INFO [stderr]     Checking clap v2.23.3
Dec 19 09:20:40.024 INFO [stderr]     Checking regex v0.2.1
Dec 19 09:20:40.940 INFO [stderr]     Checking rusqlite v0.11.0
Dec 19 09:20:44.320 INFO [stderr]     Checking url v1.4.0
Dec 19 09:20:46.023 INFO [stderr]     Checking env_logger v0.4.2
Dec 19 09:20:47.980 INFO [stderr]     Checking native-tls v0.1.2
Dec 19 09:20:52.436 INFO [stderr]     Checking hyper-native-tls v0.2.2
Dec 19 09:20:52.804 INFO [stderr]     Checking tower v0.1.0 (/opt/crater/workdir)
Dec 19 09:20:53.324 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 09:20:53.324 INFO [stderr]    --> src/main.rs:545:16
Dec 19 09:20:53.324 INFO [stderr]     |
Dec 19 09:20:53.324 INFO [stderr] 545 |     let home = home_dir().unwrap();
Dec 19 09:20:53.324 INFO [stderr]     |                ^^^^^^^^
Dec 19 09:20:53.324 INFO [stderr]     |
Dec 19 09:20:53.324 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 19 09:20:53.324 INFO [stderr] 
Dec 19 09:20:53.360 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 09:20:53.360 INFO [stderr]    --> src/main.rs:545:16
Dec 19 09:20:53.360 INFO [stderr]     |
Dec 19 09:20:53.360 INFO [stderr] 545 |     let home = home_dir().unwrap();
Dec 19 09:20:53.360 INFO [stderr]     |                ^^^^^^^^
Dec 19 09:20:53.360 INFO [stderr]     |
Dec 19 09:20:53.360 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 19 09:20:53.360 INFO [stderr] 
Dec 19 09:20:53.635 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:20:53.635 INFO [stderr]   --> src/main.rs:96:17
Dec 19 09:20:53.635 INFO [stderr]    |
Dec 19 09:20:53.635 INFO [stderr] 96 |             let mut headers = &mut self.headers;
Dec 19 09:20:53.635 INFO [stderr]    |                 ----^^^^^^^
Dec 19 09:20:53.635 INFO [stderr]    |                 |
Dec 19 09:20:53.635 INFO [stderr]    |                 help: remove this `mut`
Dec 19 09:20:53.635 INFO [stderr]    |
Dec 19 09:20:53.635 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:20:53.635 INFO [stderr] 
Dec 19 09:20:53.692 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:20:53.692 INFO [stderr]   --> src/main.rs:96:17
Dec 19 09:20:53.692 INFO [stderr]    |
Dec 19 09:20:53.692 INFO [stderr] 96 |             let mut headers = &mut self.headers;
Dec 19 09:20:53.692 INFO [stderr]    |                 ----^^^^^^^
Dec 19 09:20:53.692 INFO [stderr]    |                 |
Dec 19 09:20:53.692 INFO [stderr]    |                 help: remove this `mut`
Dec 19 09:20:53.692 INFO [stderr]    |
Dec 19 09:20:53.692 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:20:53.692 INFO [stderr] 
Dec 19 09:20:53.829 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.03s
Dec 19 09:20:54.666 INFO running `"docker" "inspect" "534045bf85dda919a8aa3260f6f00579f4cce1e9fb345ac6fffa08f32ce6d54c"`
Dec 19 09:20:55.015 INFO running `"docker" "rm" "-f" "534045bf85dda919a8aa3260f6f00579f4cce1e9fb345ac6fffa08f32ce6d54c"`
Dec 19 09:20:55.354 INFO [stdout] 534045bf85dda919a8aa3260f6f00579f4cce1e9fb345ac6fffa08f32ce6d54c