Dec 17 23:04:08.053 INFO checking icew4ll/rsub against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:04:08.053 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/icew4ll/rsub:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:04:08.630 INFO [stdout] 870ebfdc3e858ee41d6bdb9f74fbca70e9ebb11b0632f901c3e62ae93f01eeef
Dec 17 23:04:08.632 INFO running `"docker" "start" "-a" "870ebfdc3e858ee41d6bdb9f74fbca70e9ebb11b0632f901c3e62ae93f01eeef"`
Dec 17 23:04:11.576 INFO [stderr]     Checking serde v1.0.38
Dec 17 23:04:11.576 INFO [stderr]     Checking subprocess v0.1.12
Dec 17 23:04:11.576 INFO [stderr]     Checking nix v0.9.0
Dec 17 23:04:11.580 INFO [stderr]     Checking thread_local v0.3.5
Dec 17 23:04:11.580 INFO [stderr]     Checking csv-core v0.1.4
Dec 17 23:04:11.580 INFO [stderr]    Compiling openssl v0.9.24
Dec 17 23:04:11.580 INFO [stderr]     Checking parking_lot v0.5.4
Dec 17 23:04:11.580 INFO [stderr]     Checking shared_child v0.3.2
Dec 17 23:04:11.632 INFO [stderr]     Checking error-chain v0.10.0
Dec 17 23:04:12.980 INFO [stderr]     Checking error-chain v0.11.0
Dec 17 23:04:13.404 INFO [stderr]     Checking ssh2 v0.3.2
Dec 17 23:04:14.031 INFO [stderr]     Checking regex v0.2.10
Dec 17 23:04:19.168 INFO [stderr]     Checking console v0.6.1
Dec 17 23:04:22.808 INFO [stderr]     Checking ssl-expiration v0.1.1
Dec 17 23:04:23.988 INFO [stderr]     Checking os_pipe v0.6.0
Dec 17 23:04:24.664 INFO [stderr]     Checking duct v0.10.0
Dec 17 23:04:30.587 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 17 23:04:31.916 INFO [stderr]     Checking rsub v0.1.0 (/opt/crater/workdir)
Dec 17 23:04:32.785 INFO [stderr] warning: unused variable: `v2`
Dec 17 23:04:32.785 INFO [stderr]   --> src/main.rs:59:9
Dec 17 23:04:32.785 INFO [stderr]    |
Dec 17 23:04:32.785 INFO [stderr] 59 |     let v2 = s.lines()
Dec 17 23:04:32.786 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 17 23:04:32.786 INFO [stderr]    |
Dec 17 23:04:32.786 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:04:32.786 INFO [stderr] 
Dec 17 23:04:32.992 INFO [stderr] warning: unused variable: `v2`
Dec 17 23:04:32.992 INFO [stderr]   --> src/main.rs:59:9
Dec 17 23:04:32.992 INFO [stderr]    |
Dec 17 23:04:32.992 INFO [stderr] 59 |     let v2 = s.lines()
Dec 17 23:04:32.992 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 17 23:04:32.992 INFO [stderr]    |
Dec 17 23:04:32.992 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:04:32.992 INFO [stderr] 
Dec 17 23:04:33.084 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.77s
Dec 17 23:04:33.986 INFO running `"docker" "inspect" "870ebfdc3e858ee41d6bdb9f74fbca70e9ebb11b0632f901c3e62ae93f01eeef"`
Dec 17 23:04:34.292 INFO running `"docker" "rm" "-f" "870ebfdc3e858ee41d6bdb9f74fbca70e9ebb11b0632f901c3e62ae93f01eeef"`
Dec 17 23:04:34.620 INFO [stdout] 870ebfdc3e858ee41d6bdb9f74fbca70e9ebb11b0632f901c3e62ae93f01eeef