Dec 19 16:02:06.921 INFO checking hone/npmstats.rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:02:06.921 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/hone/npmstats.rs:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:02:07.306 INFO [stdout] 6b73794b360a2aa04835607a0bdabe26a43b3bb1a0811cf62aa7a346c4980862
Dec 19 16:02:07.308 INFO running `"docker" "start" "-a" "6b73794b360a2aa04835607a0bdabe26a43b3bb1a0811cf62aa7a346c4980862"`
Dec 19 16:02:08.820 INFO [stderr]     Checking futures v0.1.16
Dec 19 16:02:08.820 INFO [stderr]     Checking gnuplot v0.0.22
Dec 19 16:02:08.820 INFO [stderr]     Checking iovec v0.1.0
Dec 19 16:02:08.828 INFO [stderr]     Checking net2 v0.2.31
Dec 19 16:02:08.828 INFO [stderr]     Checking libflate v0.1.11
Dec 19 16:02:08.852 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 19 16:02:08.852 INFO [stderr]     Checking chrono v0.4.0
Dec 19 16:02:08.852 INFO [stderr]     Checking mime v0.3.4
Dec 19 16:02:09.976 INFO [stderr]     Checking native-tls v0.1.4
Dec 19 16:02:10.384 INFO [stderr]     Checking bytes v0.4.5
Dec 19 16:02:12.170 INFO [stderr]     Checking mio v0.6.10
Dec 19 16:02:17.080 INFO [stderr]     Checking tokio-io v0.1.3
Dec 19 16:02:17.080 INFO [stderr]     Checking tokio-service v0.1.0
Dec 19 16:02:17.080 INFO [stderr]     Checking futures-cpupool v0.1.6
Dec 19 16:02:18.318 INFO [stderr]     Checking tokio-core v0.1.9
Dec 19 16:02:19.553 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 16:02:19.555 INFO [stderr]     Checking tokio-tls v0.1.3
Dec 19 16:02:21.836 INFO [stderr]     Checking hyper v0.11.2
Dec 19 16:02:26.462 INFO [stderr]     Checking hyper-tls v0.1.2
Dec 19 16:02:27.186 INFO [stderr]     Checking reqwest v0.7.3
Dec 19 16:02:28.502 INFO [stderr]     Checking npmstats v0.1.0 (/opt/crater/workdir)
Dec 19 16:02:29.542 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:02:29.542 INFO [stderr]   --> src/main.rs:40:17
Dec 19 16:02:29.542 INFO [stderr]    |
Dec 19 16:02:29.542 INFO [stderr] 40 |             let mut axes2d = fg.axes2d()
Dec 19 16:02:29.542 INFO [stderr]    |                 ----^^^^^^
Dec 19 16:02:29.542 INFO [stderr]    |                 |
Dec 19 16:02:29.542 INFO [stderr]    |                 help: remove this `mut`
Dec 19 16:02:29.542 INFO [stderr]    |
Dec 19 16:02:29.542 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 16:02:29.542 INFO [stderr] 
Dec 19 16:02:29.592 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:02:29.592 INFO [stderr]   --> src/main.rs:40:17
Dec 19 16:02:29.592 INFO [stderr]    |
Dec 19 16:02:29.592 INFO [stderr] 40 |             let mut axes2d = fg.axes2d()
Dec 19 16:02:29.592 INFO [stderr]    |                 ----^^^^^^
Dec 19 16:02:29.592 INFO [stderr]    |                 |
Dec 19 16:02:29.592 INFO [stderr]    |                 help: remove this `mut`
Dec 19 16:02:29.592 INFO [stderr]    |
Dec 19 16:02:29.592 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 16:02:29.592 INFO [stderr] 
Dec 19 16:02:29.690 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.06s
Dec 19 16:02:30.078 INFO running `"docker" "inspect" "6b73794b360a2aa04835607a0bdabe26a43b3bb1a0811cf62aa7a346c4980862"`
Dec 19 16:02:30.226 INFO running `"docker" "rm" "-f" "6b73794b360a2aa04835607a0bdabe26a43b3bb1a0811cf62aa7a346c4980862"`
Dec 19 16:02:30.379 INFO [stdout] 6b73794b360a2aa04835607a0bdabe26a43b3bb1a0811cf62aa7a346c4980862