[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/beta-1.38-1/sources/1.37.0/gh/leo-lb/imgur-enumerator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/leo-lb/imgur-enumerator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leo-lb/imgur-enumerator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leo-lb/imgur-enumerator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of leo-lb/imgur-enumerator on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing leo-lb/imgur-enumerator against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leo-lb/imgur-enumerator:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4ac874819613f8886ecf7086ca17ad8138439bf0a4ece65f08c8110d507f1e3f
[INFO] running `"docker" "start" "-a" "4ac874819613f8886ecf7086ca17ad8138439bf0a4ece65f08c8110d507f1e3f"`
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling tokio-sync v0.1.4
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.12
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.16
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling h2 v0.1.17
[INFO] [stderr]    Compiling tokio v0.1.17
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling serenity v0.5.13
[INFO] [stderr]    Compiling hyper v0.12.25
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling 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]    = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[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]     = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[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]     = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[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]     = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 37s
[INFO] running `"docker" "inspect" "4ac874819613f8886ecf7086ca17ad8138439bf0a4ece65f08c8110d507f1e3f"`
[INFO] running `"docker" "rm" "-f" "4ac874819613f8886ecf7086ca17ad8138439bf0a4ece65f08c8110d507f1e3f"`
[INFO] [stdout] 4ac874819613f8886ecf7086ca17ad8138439bf0a4ece65f08c8110d507f1e3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leo-lb/imgur-enumerator:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] edc5fd74b88aaed904479be0798bfc7c5f25e15a27694f8be94516db97661ce3
[INFO] running `"docker" "start" "-a" "edc5fd74b88aaed904479be0798bfc7c5f25e15a27694f8be94516db97661ce3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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]    = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[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]     = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[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]     = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[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]     = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "edc5fd74b88aaed904479be0798bfc7c5f25e15a27694f8be94516db97661ce3"`
[INFO] running `"docker" "rm" "-f" "edc5fd74b88aaed904479be0798bfc7c5f25e15a27694f8be94516db97661ce3"`
[INFO] [stdout] edc5fd74b88aaed904479be0798bfc7c5f25e15a27694f8be94516db97661ce3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leo-lb/imgur-enumerator:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6ae5a3550f5e65d1c99e9a25abcec42625788bdacf682a770fe44e6bc7576a8d
[INFO] running `"docker" "start" "-a" "6ae5a3550f5e65d1c99e9a25abcec42625788bdacf682a770fe44e6bc7576a8d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/imgur_enumerator-23ede40281b759be
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6ae5a3550f5e65d1c99e9a25abcec42625788bdacf682a770fe44e6bc7576a8d"`
[INFO] running `"docker" "rm" "-f" "6ae5a3550f5e65d1c99e9a25abcec42625788bdacf682a770fe44e6bc7576a8d"`
[INFO] [stdout] 6ae5a3550f5e65d1c99e9a25abcec42625788bdacf682a770fe44e6bc7576a8d