[INFO] updating cached repository madgene/tube
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/madgene/tube
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/madgene/tube" "work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/madgene/tube"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/madgene/tube'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/madgene/tube" "work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/madgene/tube"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/madgene/tube'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c3c174f7cd0e779114049df4d32831fb36109c8f
[INFO] sha for GitHub repo madgene/tube: c3c174f7cd0e779114049df4d32831fb36109c8f
[INFO] validating manifest of madgene/tube on toolchain master#ef01f29964df207f181bd5bcf236e41372a17273
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of madgene/tube on toolchain try#a7cff45e655f886da150e206c7acbe984df4ab71
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing madgene/tube
[INFO] removed path dependency rocket from madgene/tube
[INFO] removed path dependency rocket_codegen from madgene/tube
[INFO] removed path dependency rocket_contrib from madgene/tube
[INFO] finished frobbing madgene/tube
[INFO] frobbed toml for madgene/tube written to work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/madgene/tube/Cargo.toml
[INFO] started frobbing madgene/tube
[INFO] removed path dependency rocket from madgene/tube
[INFO] removed path dependency rocket_codegen from madgene/tube
[INFO] removed path dependency rocket_contrib from madgene/tube
[INFO] finished frobbing madgene/tube
[INFO] frobbed toml for madgene/tube written to work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/madgene/tube/Cargo.toml
[INFO] crate madgene/tube already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `rocket_contrib`.
[INFO] [stderr]     ... required by package `tube v0.1.0 (/mnt/big/crater/work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/madgene/tube)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.4.0, 0.4.0-rc.2, 0.4.0-rc.1, 0.3.17, 0.3.16, 0.3.15, 0.3.14, 0.3.13, 0.3.12, 0.3.11, 0.3.10, 0.3.9, 0.3.8, 0.3.7, 0.3.6, 0.3.5, 0.3.4, 0.3.3, 0.3.2, 0.3.1, 0.3.0, 0.2.11, 0.2.10, 0.2.9, 0.2.8, 0.2.7, 0.2.6, 0.2.5, 0.2.4, 0.2.3, 0.2.2, 0.2.1, 0.2.0, 0.1.6, 0.1.5, 0.1.4, 0.1.3, 0.1.2, 0.1.1, 0.1.0
[INFO] [stderr] 
[INFO] [stderr] the package `tube` depends on `rocket_contrib`, with features: `static_files` but `rocket_contrib` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `rocket_contrib` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed