[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/beta-1.37-6/sources/1.36.0/gh/bdejean/cmd_cache"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bdejean/cmd_cache'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bdejean/cmd_cache" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bdejean/cmd_cache"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bdejean/cmd_cache on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing bdejean/cmd_cache against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 1129ec2c3685a7e2801f464abb525ba7fb9e15df1562208e5c5d3fdd2cd4cd66
[INFO] running `"docker" "start" "-a" "1129ec2c3685a7e2801f464abb525ba7fb9e15df1562208e5c5d3fdd2cd4cd66"`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.4
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `"docker" "inspect" "1129ec2c3685a7e2801f464abb525ba7fb9e15df1562208e5c5d3fdd2cd4cd66"`
[INFO] running `"docker" "rm" "-f" "1129ec2c3685a7e2801f464abb525ba7fb9e15df1562208e5c5d3fdd2cd4cd66"`
[INFO] [stdout] 1129ec2c3685a7e2801f464abb525ba7fb9e15df1562208e5c5d3fdd2cd4cd66
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa6a2d37adeac2db7ecc34ec24f581c92ef2ff188ed3ac86f9c9d278108a703c
[INFO] running `"docker" "start" "-a" "aa6a2d37adeac2db7ecc34ec24f581c92ef2ff188ed3ac86f9c9d278108a703c"`
[INFO] [stderr]    Compiling rand v0.5.3
[INFO] [stderr]    Compiling 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: 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 4.92s
[INFO] running `"docker" "inspect" "aa6a2d37adeac2db7ecc34ec24f581c92ef2ff188ed3ac86f9c9d278108a703c"`
[INFO] running `"docker" "rm" "-f" "aa6a2d37adeac2db7ecc34ec24f581c92ef2ff188ed3ac86f9c9d278108a703c"`
[INFO] [stdout] aa6a2d37adeac2db7ecc34ec24f581c92ef2ff188ed3ac86f9c9d278108a703c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 49be948fc18c14bae69ce93fe8bc4514ac4a2cb03886da8991960b1de7cf976d
[INFO] running `"docker" "start" "-a" "49be948fc18c14bae69ce93fe8bc4514ac4a2cb03886da8991960b1de7cf976d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cmd_cache-55f7f5ad1cd29495
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::test_concat_args ... ok
[INFO] [stdout] test test::test_check_or_create_dir ... ok
[INFO] [stdout] test test::test_check_file ... ok
[INFO] [stdout] test test::test_hash ... ok
[INFO] [stdout] test test::test_rand_f32 ... ok
[INFO] [stdout] test test::test_get_max_days ... ok
[INFO] [stdout] test test::test_dirty_parse_system_time ... ok
[INFO] [stdout] test test::test_cmd_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "49be948fc18c14bae69ce93fe8bc4514ac4a2cb03886da8991960b1de7cf976d"`
[INFO] running `"docker" "rm" "-f" "49be948fc18c14bae69ce93fe8bc4514ac4a2cb03886da8991960b1de7cf976d"`
[INFO] [stdout] 49be948fc18c14bae69ce93fe8bc4514ac4a2cb03886da8991960b1de7cf976d