[INFO] updating cached repository Manishearth/media-capture [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Manishearth/media-capture [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Manishearth/media-capture" "work/ex/beta-1.38-1/sources/1.37.0/gh/Manishearth/media-capture"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Manishearth/media-capture'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Manishearth/media-capture" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Manishearth/media-capture"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Manishearth/media-capture'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7b51872af347a1054256f9c4ae53920a19d3f148 [INFO] sha for GitHub repo Manishearth/media-capture: 7b51872af347a1054256f9c4ae53920a19d3f148 [INFO] validating manifest of Manishearth/media-capture on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Manishearth/media-capture on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Manishearth/media-capture [INFO] finished frobbing Manishearth/media-capture [INFO] frobbed toml for Manishearth/media-capture written to work/ex/beta-1.38-1/sources/1.37.0/gh/Manishearth/media-capture/Cargo.toml [INFO] started frobbing Manishearth/media-capture [INFO] finished frobbing Manishearth/media-capture [INFO] frobbed toml for Manishearth/media-capture written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Manishearth/media-capture/Cargo.toml [INFO] crate Manishearth/media-capture already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Manishearth/media-capture against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Manishearth/media-capture:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 40fe8e83231f9fac3d204bcca367a49115f43fa8557e104b9474def46ea64916 [INFO] running `"docker" "start" "-a" "40fe8e83231f9fac3d204bcca367a49115f43fa8557e104b9474def46ea64916"` [INFO] [stderr] Compiling gstreamer v0.12.0 [INFO] [stderr] Compiling gstreamer-sys v0.6.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling glib v0.6.0 [INFO] [stderr] Compiling media-capture v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `fmt`, `thread`, `time` [INFO] [stderr] --> src/main.rs:7:16 [INFO] [stderr] | [INFO] [stderr] 7 | use std::{i32, fmt, thread, time}; [INFO] [stderr] | ^^^ ^^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Value` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Value(T), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ConstrainString` [INFO] [stderr] --> src/main.rs:69:1 [INFO] [stderr] | [INFO] [stderr] 69 | struct ConstrainString { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `into_caps_string` [INFO] [stderr] --> src/main.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | fn into_caps_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ConstrainBool` [INFO] [stderr] --> src/main.rs:84:1 [INFO] [stderr] | [INFO] [stderr] 84 | enum ConstrainBool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | pipeline.add_many(&[&self.element, &convert, &sink]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:186:9 [INFO] [stderr] | [INFO] [stderr] 186 | gst::Element::link_many(&[&self.element, &convert, &sink]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `gstreamer::StateChangeReturn` that must be used [INFO] [stderr] --> src/main.rs:187:9 [INFO] [stderr] | [INFO] [stderr] 187 | pipeline.set_state(gst::State::Playing); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:192:5 [INFO] [stderr] | [INFO] [stderr] 192 | gstreamer::init(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.73s [INFO] running `"docker" "inspect" "40fe8e83231f9fac3d204bcca367a49115f43fa8557e104b9474def46ea64916"` [INFO] running `"docker" "rm" "-f" "40fe8e83231f9fac3d204bcca367a49115f43fa8557e104b9474def46ea64916"` [INFO] [stdout] 40fe8e83231f9fac3d204bcca367a49115f43fa8557e104b9474def46ea64916 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Manishearth/media-capture:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 1eea8c30f62f48b571c7f4de0eaa239c9fa9337ae32a71f47957ece3bf149819 [INFO] running `"docker" "start" "-a" "1eea8c30f62f48b571c7f4de0eaa239c9fa9337ae32a71f47957ece3bf149819"` [INFO] [stderr] Compiling media-capture v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `fmt`, `thread`, `time` [INFO] [stderr] --> src/main.rs:7:16 [INFO] [stderr] | [INFO] [stderr] 7 | use std::{i32, fmt, thread, time}; [INFO] [stderr] | ^^^ ^^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Value` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Value(T), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ConstrainString` [INFO] [stderr] --> src/main.rs:69:1 [INFO] [stderr] | [INFO] [stderr] 69 | struct ConstrainString { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `into_caps_string` [INFO] [stderr] --> src/main.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | fn into_caps_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ConstrainBool` [INFO] [stderr] --> src/main.rs:84:1 [INFO] [stderr] | [INFO] [stderr] 84 | enum ConstrainBool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | pipeline.add_many(&[&self.element, &convert, &sink]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:186:9 [INFO] [stderr] | [INFO] [stderr] 186 | gst::Element::link_many(&[&self.element, &convert, &sink]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `gstreamer::StateChangeReturn` that must be used [INFO] [stderr] --> src/main.rs:187:9 [INFO] [stderr] | [INFO] [stderr] 187 | pipeline.set_state(gst::State::Playing); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:192:5 [INFO] [stderr] | [INFO] [stderr] 192 | gstreamer::init(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `"docker" "inspect" "1eea8c30f62f48b571c7f4de0eaa239c9fa9337ae32a71f47957ece3bf149819"` [INFO] running `"docker" "rm" "-f" "1eea8c30f62f48b571c7f4de0eaa239c9fa9337ae32a71f47957ece3bf149819"` [INFO] [stdout] 1eea8c30f62f48b571c7f4de0eaa239c9fa9337ae32a71f47957ece3bf149819 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Manishearth/media-capture:/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=warn" "-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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 618f394c637c87b127a9e551d3bfc30d071bf370c474d17333fd4a1bcfd5a86e [INFO] running `"docker" "start" "-a" "618f394c637c87b127a9e551d3bfc30d071bf370c474d17333fd4a1bcfd5a86e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/media_capture-03d7270d56aa39ef [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "618f394c637c87b127a9e551d3bfc30d071bf370c474d17333fd4a1bcfd5a86e"` [INFO] running `"docker" "rm" "-f" "618f394c637c87b127a9e551d3bfc30d071bf370c474d17333fd4a1bcfd5a86e"` [INFO] [stdout] 618f394c637c87b127a9e551d3bfc30d071bf370c474d17333fd4a1bcfd5a86e