[INFO] updating cached repository sbwtw/tower
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sbwtw/tower
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sbwtw/tower" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sbwtw/tower"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sbwtw/tower'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sbwtw/tower" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sbwtw/tower"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sbwtw/tower'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50060176fed5aa18a6fa75f8899842e7435c0ca3
[INFO] sha for GitHub repo sbwtw/tower: 50060176fed5aa18a6fa75f8899842e7435c0ca3
[INFO] validating manifest of sbwtw/tower on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sbwtw/tower on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sbwtw/tower
[INFO] finished frobbing sbwtw/tower
[INFO] frobbed toml for sbwtw/tower written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sbwtw/tower/Cargo.toml
[INFO] started frobbing sbwtw/tower
[INFO] finished frobbing sbwtw/tower
[INFO] frobbed toml for sbwtw/tower written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sbwtw/tower/Cargo.toml
[INFO] crate sbwtw/tower already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sbwtw/tower against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 45b34e82338190ddfc5944a5e11bb1ad6d60df5ab62ddf76e69004c1d10ec985
[INFO] running `"docker" "start" "-a" "45b34e82338190ddfc5944a5e11bb1ad6d60df5ab62ddf76e69004c1d10ec985"`
[INFO] [stderr]    Compiling libsqlite3-sys v0.8.0
[INFO] [stderr]     Checking openssl-sys v0.9.11
[INFO] [stderr]     Checking hyper v0.10.9
[INFO] [stderr]     Checking env_logger v0.4.2
[INFO] [stderr]     Checking openssl v0.9.11
[INFO] [stderr]     Checking rusqlite v0.11.0
[INFO] [stderr]     Checking native-tls v0.1.2
[INFO] [stderr]     Checking hyper-native-tls v0.2.2
[INFO] [stderr]     Checking tower v0.1.0 (/opt/crater/workdir)
[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.
[INFO] [stderr]    --> src/main.rs:545:16
[INFO] [stderr]     |
[INFO] [stderr] 545 |     let home = home_dir().unwrap();
[INFO] [stderr]     |                ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[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.
[INFO] [stderr]    --> src/main.rs:545:16
[INFO] [stderr]     |
[INFO] [stderr] 545 |     let home = home_dir().unwrap();
[INFO] [stderr]     |                ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |             let mut headers = &mut self.headers;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |             let mut headers = &mut self.headers;
[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]     Finished dev [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `"docker" "inspect" "45b34e82338190ddfc5944a5e11bb1ad6d60df5ab62ddf76e69004c1d10ec985"`
[INFO] running `"docker" "rm" "-f" "45b34e82338190ddfc5944a5e11bb1ad6d60df5ab62ddf76e69004c1d10ec985"`
[INFO] [stdout] 45b34e82338190ddfc5944a5e11bb1ad6d60df5ab62ddf76e69004c1d10ec985