[INFO] updating cached repository kanru/pcmanx-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kanru/pcmanx-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kanru/pcmanx-rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kanru/pcmanx-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kanru/pcmanx-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kanru/pcmanx-rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kanru/pcmanx-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kanru/pcmanx-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b89d01d48293be9ad38c59eadcf7ae749f36479c
[INFO] sha for GitHub repo kanru/pcmanx-rust: b89d01d48293be9ad38c59eadcf7ae749f36479c
[INFO] validating manifest of kanru/pcmanx-rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kanru/pcmanx-rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kanru/pcmanx-rust
[INFO] finished frobbing kanru/pcmanx-rust
[INFO] frobbed toml for kanru/pcmanx-rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kanru/pcmanx-rust/Cargo.toml
[INFO] started frobbing kanru/pcmanx-rust
[INFO] finished frobbing kanru/pcmanx-rust
[INFO] frobbed toml for kanru/pcmanx-rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kanru/pcmanx-rust/Cargo.toml
[INFO] crate kanru/pcmanx-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kanru/pcmanx-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/rust-gnome/cairo.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-gnome/gdk.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-gnome/gtk.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/glib`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/sys`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/cairo`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk-pixbuf`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gio`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/pango`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/atk`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk`
[INFO] [stderr] error: failed to select a version for `cairo-sys-rs`.
[INFO] [stderr]     ... required by package `gdk v0.11.0 (https://github.com/rust-gnome/gdk.git#8ea697fe)`
[INFO] [stderr]     ... which is depended on by `pcmanx-rust v0.1.0 (/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kanru/pcmanx-rust)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.9.0
[INFO] [stderr] 
[INFO] [stderr] the package `cairo-sys-rs` links to the native library `cairo`, but it conflicts with a previous package which links to `cairo` as well:
[INFO] [stderr] package `cairo-sys-rs v0.9.0 (https://github.com/rust-gnome/cairo.git#27100653)`
[INFO] [stderr]     ... which is depended on by `cairo-rs v0.7.0 (https://github.com/rust-gnome/cairo.git#27100653)`
[INFO] [stderr]     ... which is depended on by `pcmanx-rust v0.1.0 (/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kanru/pcmanx-rust)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `cairo-sys-rs` 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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed