[INFO] updating cached repository leo-lb/imgur-enumerator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/leo-lb/imgur-enumerator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/leo-lb/imgur-enumerator" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/leo-lb/imgur-enumerator"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/leo-lb/imgur-enumerator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leo-lb/imgur-enumerator" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/leo-lb/imgur-enumerator"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/leo-lb/imgur-enumerator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5932e9f3e8001af2207256834fd2ae9775c21734
[INFO] sha for GitHub repo leo-lb/imgur-enumerator: 5932e9f3e8001af2207256834fd2ae9775c21734
[INFO] validating manifest of leo-lb/imgur-enumerator on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of leo-lb/imgur-enumerator on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing leo-lb/imgur-enumerator
[INFO] finished frobbing leo-lb/imgur-enumerator
[INFO] frobbed toml for leo-lb/imgur-enumerator written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/leo-lb/imgur-enumerator/Cargo.toml
[INFO] started frobbing leo-lb/imgur-enumerator
[INFO] finished frobbing leo-lb/imgur-enumerator
[INFO] frobbed toml for leo-lb/imgur-enumerator written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/leo-lb/imgur-enumerator/Cargo.toml
[INFO] crate leo-lb/imgur-enumerator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking leo-lb/imgur-enumerator against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/leo-lb/imgur-enumerator:/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 43a96949f80a838681b32da72c3d0fa2513583521a35f05b4bf5ba9b4ff12cd0
[INFO] running `"docker" "start" "-a" "43a96949f80a838681b32da72c3d0fa2513583521a35f05b4bf5ba9b4ff12cd0"`
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking evzht9h3nznqzwl v0.0.3
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking serenity v0.5.13
[INFO] [stderr]     Checking imgur-enumerator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]   --> src/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         runtime.block_on(work).is_err();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]    --> src/main.rs:299:21
[INFO] [stderr]     |
[INFO] [stderr] 299 |                     tx.send(image_url.clone()).is_err();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]    --> src/main.rs:300:21
[INFO] [stderr]     |
[INFO] [stderr] 300 |                     tx_hook.send(image_url.clone()).is_err();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]    --> src/main.rs:301:21
[INFO] [stderr]     |
[INFO] [stderr] 301 |                     tx_tg.send(image_url.clone()).is_err();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]   --> src/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         runtime.block_on(work).is_err();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]    --> src/main.rs:299:21
[INFO] [stderr]     |
[INFO] [stderr] 299 |                     tx.send(image_url.clone()).is_err();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]    --> src/main.rs:300:21
[INFO] [stderr]     |
[INFO] [stderr] 300 |                     tx_hook.send(image_url.clone()).is_err();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]    --> src/main.rs:301:21
[INFO] [stderr]     |
[INFO] [stderr] 301 |                     tx_tg.send(image_url.clone()).is_err();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.52s
[INFO] running `"docker" "inspect" "43a96949f80a838681b32da72c3d0fa2513583521a35f05b4bf5ba9b4ff12cd0"`
[INFO] running `"docker" "rm" "-f" "43a96949f80a838681b32da72c3d0fa2513583521a35f05b4bf5ba9b4ff12cd0"`
[INFO] [stdout] 43a96949f80a838681b32da72c3d0fa2513583521a35f05b4bf5ba9b4ff12cd0