[INFO] updating cached repository xliiv/ff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xliiv/ff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xliiv/ff" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xliiv/ff"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xliiv/ff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xliiv/ff" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xliiv/ff"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xliiv/ff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6bea79d31c89e542f227b245f11334badc935144
[INFO] sha for GitHub repo xliiv/ff: 6bea79d31c89e542f227b245f11334badc935144
[INFO] validating manifest of xliiv/ff on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xliiv/ff on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xliiv/ff
[INFO] finished frobbing xliiv/ff
[INFO] frobbed toml for xliiv/ff written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xliiv/ff/Cargo.toml
[INFO] started frobbing xliiv/ff
[INFO] finished frobbing xliiv/ff
[INFO] frobbed toml for xliiv/ff written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xliiv/ff/Cargo.toml
[INFO] crate xliiv/ff already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking xliiv/ff against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-2/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xliiv/ff:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a4e6afee319b33d4f9dcc97f442be3230796175cb88218e59864f485cea45368
[INFO] running `"docker" "start" "-a" "a4e6afee319b33d4f9dcc97f442be3230796175cb88218e59864f485cea45368"`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]     Checking array-macro v1.0.0
[INFO] [stderr]     Checking itoa v0.4.0
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking enumset v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking chan v0.1.21
[INFO] [stderr]    Compiling enum-map-derive v0.2.4
[INFO] [stderr]     Checking rust-ini v0.9.12
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking enum-map v0.2.24
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.12
[INFO] [stderr]     Checking cursive v0.8.1
[INFO] [stderr]     Checking fui v0.8.0
[INFO] [stderr]     Checking ff v2.0.0 (/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/cli.rs:115:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut conf_file = env::home_dir().expect("Can't find home dir");
[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/cli.rs:122:20
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let home_dir = std::env::home_dir().ok_or("Can't find home dir")?;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[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/cli.rs:173:20
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let home_dir = env::home_dir().ok_or("Can't get home dir")?;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[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/cli.rs:208:20
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let home_dir = std::env::home_dir().ok_or("Can't get home dir")?;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[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/cli.rs:115:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut conf_file = env::home_dir().expect("Can't find home dir");
[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/cli.rs:122:20
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let home_dir = std::env::home_dir().ok_or("Can't find home dir")?;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[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/cli.rs:173:20
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let home_dir = env::home_dir().ok_or("Can't get home dir")?;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[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/cli.rs:208:20
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let home_dir = std::env::home_dir().ok_or("Can't get home dir")?;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.15s
[INFO] running `"docker" "inspect" "a4e6afee319b33d4f9dcc97f442be3230796175cb88218e59864f485cea45368"`
[INFO] running `"docker" "rm" "-f" "a4e6afee319b33d4f9dcc97f442be3230796175cb88218e59864f485cea45368"`
[INFO] [stdout] a4e6afee319b33d4f9dcc97f442be3230796175cb88218e59864f485cea45368