[INFO] cloning repository limitee/dc
[INFO] running `"git" "clone" "--bare" "git://github.com/limitee/dc.git" "work/cache/sources/gh/limitee/dc"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/limitee/dc'...
[INFO] running `"git" "clone" "work/cache/sources/gh/limitee/dc" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/limitee/dc"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/limitee/dc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/limitee/dc" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/limitee/dc"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/limitee/dc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b71a21a5054737cd1fa354e87735ba7a0f5fad5e
[INFO] sha for GitHub repo limitee/dc: b71a21a5054737cd1fa354e87735ba7a0f5fad5e
[INFO] validating manifest of limitee/dc on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of limitee/dc on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing limitee/dc
[INFO] finished frobbing limitee/dc
[INFO] frobbed toml for limitee/dc written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/limitee/dc/Cargo.toml
[INFO] started frobbing limitee/dc
[INFO] finished frobbing limitee/dc
[INFO] frobbed toml for limitee/dc written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/limitee/dc/Cargo.toml
[INFO] crate limitee/dc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://limitee:20131988lm@github.com/limitee/easy_config.git`
[INFO] [stderr]     Updating git repository `https://limitee:20131988lm@github.com/limitee/easydb.git`
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/limitee/dc/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://limitee:20131988lm@github.com/limitee/easy_config.git`
[INFO] [stderr]     Updating git repository `https://limitee:20131988lm@github.com/limitee/easy_util.git`
[INFO] [stderr]     Updating git repository `https://limitee:20131988lm@github.com/limitee/easydb.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/lazy-static.rs.git`
[INFO] [stderr] error: failed to select a version for `phf`.
[INFO] [stderr]     ... required by package `postgres v0.13.0`
[INFO] [stderr]     ... which is depended on by `easydb v0.0.1 (https://limitee:20131988lm@github.com/limitee/easydb.git#7bc557c9)`
[INFO] [stderr]     ... which is depended on by `dc v0.0.1 (/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/limitee/dc)`
[INFO] [stderr] versions that meet the requirements `= 0.7.19` are: 0.7.19
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `phf v0.7.14`
[INFO] [stderr]     ... which is depended on by `postgres v0.11.6`
[INFO] [stderr]     ... which is depended on by `dc v0.0.1 (/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/limitee/dc)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `phf` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed