[INFO] cloning repository https://github.com/Manishearth/media-capture [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Manishearth/media-capture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fmedia-capture", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fmedia-capture'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b51872af347a1054256f9c4ae53920a19d3f148 [INFO] checking Manishearth/media-capture against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fmedia-capture" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Manishearth/media-capture on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Manishearth/media-capture [INFO] finished tweaking git repo https://github.com/Manishearth/media-capture [INFO] tweaked toml for git repo https://github.com/Manishearth/media-capture written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Manishearth/media-capture already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pkg-config v0.3.14 [INFO] [stderr] Downloaded version_check v0.1.5 [INFO] [stderr] Downloaded num-traits v0.2.6 [INFO] [stderr] Downloaded lazy_static v1.1.0 [INFO] [stderr] Downloaded muldiv v0.2.0 [INFO] [stderr] Downloaded num-rational v0.2.1 [INFO] [stderr] Downloaded cfg-if v0.1.6 [INFO] [stderr] Downloaded gobject-sys v0.7.0 [INFO] [stderr] Downloaded glib-sys v0.7.0 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded glib v0.6.0 [INFO] [stderr] Downloaded gstreamer v0.12.0 [INFO] [stderr] Downloaded gstreamer-sys v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50913db5d38b3b749ee608bf5d00c22c5462a037ea2f701b70a44dd44c6e3e1a [INFO] running `Command { std: "docker" "start" "-a" "50913db5d38b3b749ee608bf5d00c22c5462a037ea2f701b70a44dd44c6e3e1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50913db5d38b3b749ee608bf5d00c22c5462a037ea2f701b70a44dd44c6e3e1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50913db5d38b3b749ee608bf5d00c22c5462a037ea2f701b70a44dd44c6e3e1a", kill_on_drop: false }` [INFO] [stdout] 50913db5d38b3b749ee608bf5d00c22c5462a037ea2f701b70a44dd44c6e3e1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08ef673bd4cd992cb495ca1833bf7cac6674201da52037202b8b9b062c3d2e1e [INFO] running `Command { std: "docker" "start" "-a" "08ef673bd4cd992cb495ca1833bf7cac6674201da52037202b8b9b062c3d2e1e", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling gstreamer v0.12.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking muldiv v0.2.0 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling glib-sys v0.7.0 [INFO] [stderr] Compiling gobject-sys v0.7.0 [INFO] [stderr] Compiling gstreamer-sys v0.6.0 [INFO] [stderr] Checking glib v0.6.0 [INFO] [stderr] Checking media-capture v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `fmt`, `thread`, and `time` [INFO] [stdout] --> src/main.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{i32, fmt, thread, time}; [INFO] [stdout] | ^^^ ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fmt`, `thread`, and `time` [INFO] [stdout] --> src/main.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{i32, fmt, thread, time}; [INFO] [stdout] | ^^^ ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Value` is never constructed [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | enum Constrain { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 10 | Value(T), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ConstrainString` is never constructed [INFO] [stdout] --> src/main.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | struct ConstrainString { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_caps_string` is never used [INFO] [stdout] --> src/main.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl ConstrainString { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] 75 | fn into_caps_string(self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ConstrainBool` is never used [INFO] [stdout] --> src/main.rs:84:6 [INFO] [stdout] | [INFO] [stdout] 84 | enum ConstrainBool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Value` is never constructed [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | enum Constrain { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 10 | Value(T), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ConstrainString` is never constructed [INFO] [stdout] --> src/main.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | struct ConstrainString { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_caps_string` is never used [INFO] [stdout] --> src/main.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl ConstrainString { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] 75 | fn into_caps_string(self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ConstrainBool` is never used [INFO] [stdout] --> src/main.rs:84:6 [INFO] [stdout] | [INFO] [stdout] 84 | enum ConstrainBool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | pipeline.add_many(&[&self.element, &convert, &sink]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 185 | let _ = pipeline.add_many(&[&self.element, &convert, &sink]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | gst::Element::link_many(&[&self.element, &convert, &sink]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 186 | let _ = gst::Element::link_many(&[&self.element, &convert, &sink]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `StateChangeReturn` that must be used [INFO] [stdout] --> src/main.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 187 | pipeline.set_state(gst::State::Playing); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 187 | let _ = pipeline.set_state(gst::State::Playing); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:192:5 [INFO] [stdout] | [INFO] [stdout] 192 | gstreamer::init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 192 | let _ = gstreamer::init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | pipeline.add_many(&[&self.element, &convert, &sink]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 185 | let _ = pipeline.add_many(&[&self.element, &convert, &sink]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | gst::Element::link_many(&[&self.element, &convert, &sink]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 186 | let _ = gst::Element::link_many(&[&self.element, &convert, &sink]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `StateChangeReturn` that must be used [INFO] [stdout] --> src/main.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 187 | pipeline.set_state(gst::State::Playing); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 187 | let _ = pipeline.set_state(gst::State::Playing); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:192:5 [INFO] [stdout] | [INFO] [stdout] 192 | gstreamer::init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 192 | let _ = gstreamer::init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.29s [INFO] running `Command { std: "docker" "inspect" "08ef673bd4cd992cb495ca1833bf7cac6674201da52037202b8b9b062c3d2e1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08ef673bd4cd992cb495ca1833bf7cac6674201da52037202b8b9b062c3d2e1e", kill_on_drop: false }` [INFO] [stdout] 08ef673bd4cd992cb495ca1833bf7cac6674201da52037202b8b9b062c3d2e1e