[INFO] updating cached repository Rotund/church_sound
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rotund/church_sound
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rotund/church_sound" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Rotund/church_sound"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Rotund/church_sound'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rotund/church_sound" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Rotund/church_sound"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Rotund/church_sound'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 46afdce22df98f9956ca1e76b7e24d05daeedbae
[INFO] sha for GitHub repo Rotund/church_sound: 46afdce22df98f9956ca1e76b7e24d05daeedbae
[INFO] validating manifest of Rotund/church_sound on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Rotund/church_sound on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Rotund/church_sound
[INFO] finished frobbing Rotund/church_sound
[INFO] frobbed toml for Rotund/church_sound written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Rotund/church_sound/Cargo.toml
[INFO] started frobbing Rotund/church_sound
[INFO] finished frobbing Rotund/church_sound
[INFO] frobbed toml for Rotund/church_sound written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Rotund/church_sound/Cargo.toml
[INFO] crate Rotund/church_sound already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Rotund/church_sound/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Rotund/church_sound against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Rotund/church_sound:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f3c897f2f8ed585197a54a431f7d5ea077e0662d944343d6e2110e2b7afc974c
[INFO] running `"docker" "start" "-a" "f3c897f2f8ed585197a54a431f7d5ea077e0662d944343d6e2110e2b7afc974c"`
[INFO] [stderr]    Compiling gstreamer v0.12.2
[INFO] [stderr]     Checking muldiv v0.2.0
[INFO] [stderr]    Compiling gstreamer-sys v0.6.2
[INFO] [stderr]     Checking glib-sys v0.7.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking gobject-sys v0.7.0
[INFO] [stderr]     Checking glib v0.6.1
[INFO] [stderr]     Checking gio-sys v0.7.0
[INFO] [stderr]     Checking pango-sys v0.7.0
[INFO] [stderr]     Checking atk-sys v0.7.0
[INFO] [stderr]     Checking gdk-pixbuf-sys v0.7.0
[INFO] [stderr]     Checking gio v0.5.1
[INFO] [stderr]     Checking cairo-sys-rs v0.7.0
[INFO] [stderr]     Checking pango v0.5.0
[INFO] [stderr]     Checking gdk-sys v0.7.0
[INFO] [stderr]     Checking cairo-rs v0.5.0
[INFO] [stderr]     Checking gtk-sys v0.7.0
[INFO] [stderr]     Checking gdk-pixbuf v0.5.0
[INFO] [stderr]     Checking gdk v0.9.0
[INFO] [stderr]     Checking gtk v0.5.0
[INFO] [stderr]     Checking church_sound v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `pipeline_weak`
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let pipeline_weak = pipeline.downgrade();
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_pipeline_weak`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timeout_id`
[INFO] [stderr]   --> src/main.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let timeout_id = gtk::timeout_add(100, move || {
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_timeout_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pipeline_weak`
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let pipeline_weak = pipeline.downgrade();
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_pipeline_weak`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timeout_id`
[INFO] [stderr]   --> src/main.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let timeout_id = gtk::timeout_add(100, move || {
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_timeout_id`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `"docker" "inspect" "f3c897f2f8ed585197a54a431f7d5ea077e0662d944343d6e2110e2b7afc974c"`
[INFO] running `"docker" "rm" "-f" "f3c897f2f8ed585197a54a431f7d5ea077e0662d944343d6e2110e2b7afc974c"`
[INFO] [stdout] f3c897f2f8ed585197a54a431f7d5ea077e0662d944343d6e2110e2b7afc974c