[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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Rotund/church_sound"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Rotund/church_sound'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rotund/church_sound" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Rotund/church_sound"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Rotund/church_sound on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Rotund/church_sound/Cargo.toml
[INFO] crate Rotund/church_sound already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Rotund/church_sound against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-1/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Rotund/church_sound:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1add55108d6275d509d918f00c4340c63be9dfb40432166b5646b27fc5004d2e
[INFO] running `"docker" "start" "-a" "1add55108d6275d509d918f00c4340c63be9dfb40432166b5646b27fc5004d2e"`
[INFO] [stderr]    Compiling gstreamer v0.12.2
[INFO] [stderr]    Compiling gstreamer-sys v0.6.2
[INFO] [stderr]     Checking glib-sys v0.7.0
[INFO] [stderr]     Checking gobject-sys v0.7.0
[INFO] [stderr]     Checking gio-sys v0.7.0
[INFO] [stderr]     Checking glib v0.6.1
[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 24s
[INFO] running `"docker" "inspect" "1add55108d6275d509d918f00c4340c63be9dfb40432166b5646b27fc5004d2e"`
[INFO] running `"docker" "rm" "-f" "1add55108d6275d509d918f00c4340c63be9dfb40432166b5646b27fc5004d2e"`
[INFO] [stdout] 1add55108d6275d509d918f00c4340c63be9dfb40432166b5646b27fc5004d2e