[INFO] updating cached repository bdejean/cmd_cache
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bdejean/cmd_cache
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bdejean/cmd_cache" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bdejean/cmd_cache"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bdejean/cmd_cache'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bdejean/cmd_cache" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bdejean/cmd_cache"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bdejean/cmd_cache'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d42287419d530ba1ea1bb9cd223b20d05bc98f7
[INFO] sha for GitHub repo bdejean/cmd_cache: 7d42287419d530ba1ea1bb9cd223b20d05bc98f7
[INFO] validating manifest of bdejean/cmd_cache on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bdejean/cmd_cache on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bdejean/cmd_cache
[INFO] finished frobbing bdejean/cmd_cache
[INFO] frobbed toml for bdejean/cmd_cache written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bdejean/cmd_cache/Cargo.toml
[INFO] started frobbing bdejean/cmd_cache
[INFO] finished frobbing bdejean/cmd_cache
[INFO] frobbed toml for bdejean/cmd_cache written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bdejean/cmd_cache/Cargo.toml
[INFO] crate bdejean/cmd_cache already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bdejean/cmd_cache against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bdejean/cmd_cache:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b8141e41a6108435f92177df433a0ea96dec404080e19605f243c41e0d0c44e6
[INFO] running `"docker" "start" "-a" "b8141e41a6108435f92177df433a0ea96dec404080e19605f243c41e0d0c44e6"`
[INFO] [stderr]     Checking rand v0.5.3
[INFO] [stderr]     Checking cmd_cache v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:106:73
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn cmd_cache(args : &[String], home: &str, max_days: f32, output : &mut std::io::Write) {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:106:73
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn cmd_cache(args : &[String], home: &str, max_days: f32, output : &mut std::io::Write) {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clean_env`
[INFO] [stderr]    --> src/main.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn clean_env(key : &str) -> Option <String>{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `restore_env`
[INFO] [stderr]    --> src/main.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn restore_env(key : &str, value :Option <String>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "b8141e41a6108435f92177df433a0ea96dec404080e19605f243c41e0d0c44e6"`
[INFO] running `"docker" "rm" "-f" "b8141e41a6108435f92177df433a0ea96dec404080e19605f243c41e0d0c44e6"`
[INFO] [stdout] b8141e41a6108435f92177df433a0ea96dec404080e19605f243c41e0d0c44e6