[INFO] updating cached repository timglabisch/resque_bulker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/timglabisch/resque_bulker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/timglabisch/resque_bulker" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/timglabisch/resque_bulker"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/timglabisch/resque_bulker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/timglabisch/resque_bulker" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/timglabisch/resque_bulker"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/timglabisch/resque_bulker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f1a8ef1f68f245753cacc7deebdcc8e4605f64c
[INFO] sha for GitHub repo timglabisch/resque_bulker: 2f1a8ef1f68f245753cacc7deebdcc8e4605f64c
[INFO] validating manifest of timglabisch/resque_bulker on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of timglabisch/resque_bulker on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing timglabisch/resque_bulker
[INFO] finished frobbing timglabisch/resque_bulker
[INFO] frobbed toml for timglabisch/resque_bulker written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/timglabisch/resque_bulker/Cargo.toml
[INFO] started frobbing timglabisch/resque_bulker
[INFO] finished frobbing timglabisch/resque_bulker
[INFO] frobbed toml for timglabisch/resque_bulker written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/timglabisch/resque_bulker/Cargo.toml
[INFO] crate timglabisch/resque_bulker has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking timglabisch/resque_bulker against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-7/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/timglabisch/resque_bulker:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bba61a0cb4b0b9c75449a4292a4b7e3d191d2117df91086581f7efcfa1ee07dd
[INFO] running `"docker" "start" "-a" "bba61a0cb4b0b9c75449a4292a4b7e3d191d2117df91086581f7efcfa1ee07dd"`
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking chan v0.1.20
[INFO] [stderr]     Checking redis v0.8.0
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]     Checking resque v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/worker.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 Err(e) => {
[INFO] [stderr]    |                     ^ help: consider using `_e` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/worker.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: consider using `_e` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `enqueue`
[INFO] [stderr]    --> src/worker.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let enqueue: () = ::redis::cmd("rpush")
[INFO] [stderr]     |             ^^^^^^^ help: consider using `_enqueue` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/worker.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 Err(e) => {
[INFO] [stderr]    |                     ^ help: consider using `_e` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/worker.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: consider using `_e` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `enqueue`
[INFO] [stderr]    --> src/worker.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let enqueue: () = ::redis::cmd("rpush")
[INFO] [stderr]     |             ^^^^^^^ help: consider using `_enqueue` instead
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `queue`
[INFO] [stderr]  --> src/worker.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     queue: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `queue`
[INFO] [stderr]  --> src/worker.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     queue: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `"docker" "inspect" "bba61a0cb4b0b9c75449a4292a4b7e3d191d2117df91086581f7efcfa1ee07dd"`
[INFO] running `"docker" "rm" "-f" "bba61a0cb4b0b9c75449a4292a4b7e3d191d2117df91086581f7efcfa1ee07dd"`
[INFO] [stdout] bba61a0cb4b0b9c75449a4292a4b7e3d191d2117df91086581f7efcfa1ee07dd