[INFO] updating cached repository BenjaminRi/Monitoring-Boi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BenjaminRi/Monitoring-Boi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BenjaminRi/Monitoring-Boi" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/BenjaminRi/Monitoring-Boi"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/BenjaminRi/Monitoring-Boi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BenjaminRi/Monitoring-Boi" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/BenjaminRi/Monitoring-Boi"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/BenjaminRi/Monitoring-Boi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f39e3d3b949fee1d6c980392e3f8cd024a488349
[INFO] sha for GitHub repo BenjaminRi/Monitoring-Boi: f39e3d3b949fee1d6c980392e3f8cd024a488349
[INFO] validating manifest of BenjaminRi/Monitoring-Boi 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 BenjaminRi/Monitoring-Boi 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 BenjaminRi/Monitoring-Boi
[INFO] finished frobbing BenjaminRi/Monitoring-Boi
[INFO] frobbed toml for BenjaminRi/Monitoring-Boi written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/BenjaminRi/Monitoring-Boi/Cargo.toml
[INFO] started frobbing BenjaminRi/Monitoring-Boi
[INFO] finished frobbing BenjaminRi/Monitoring-Boi
[INFO] frobbed toml for BenjaminRi/Monitoring-Boi written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/BenjaminRi/Monitoring-Boi/Cargo.toml
[INFO] crate BenjaminRi/Monitoring-Boi 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking BenjaminRi/Monitoring-Boi against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/BenjaminRi/Monitoring-Boi:/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] 452911d89722061fb7d9b25acb2dc68f7914a925d2929fd3a5b170c9079d0a24
[INFO] running `"docker" "start" "-a" "452911d89722061fb7d9b25acb2dc68f7914a925d2929fd3a5b170c9079d0a24"`
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]     Checking lettre v0.9.2
[INFO] [stderr]     Checking lettre_email v0.9.2
[INFO] [stderr]     Checking monboi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:186:4
[INFO] [stderr]     |
[INFO] [stderr] 186 |             read_once(config, subscription);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:207:6
[INFO] [stderr]     |
[INFO] [stderr] 207 |                     read_once(config, subscription);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:186:4
[INFO] [stderr]     |
[INFO] [stderr] 186 |             read_once(config, subscription);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:207:6
[INFO] [stderr]     |
[INFO] [stderr] 207 |                     read_once(config, subscription);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.88s
[INFO] running `"docker" "inspect" "452911d89722061fb7d9b25acb2dc68f7914a925d2929fd3a5b170c9079d0a24"`
[INFO] running `"docker" "rm" "-f" "452911d89722061fb7d9b25acb2dc68f7914a925d2929fd3a5b170c9079d0a24"`
[INFO] [stdout] 452911d89722061fb7d9b25acb2dc68f7914a925d2929fd3a5b170c9079d0a24