[INFO] fetching crate system_media 0.1.6...
[INFO] testing system_media-0.1.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate system_media 0.1.6 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate system_media 0.1.6
[INFO] finished tweaking crates.io crate system_media 0.1.6
[INFO] tweaked toml for crates.io crate system_media 0.1.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate system_media 0.1.6 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate system_media 0.1.6 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d3b4e54082f8db3e1a082410550d8ee3ec8f67b7be295e5f0389c737109949b
[INFO] running `Command { std: "docker" "start" "-a" "1d3b4e54082f8db3e1a082410550d8ee3ec8f67b7be295e5f0389c737109949b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d3b4e54082f8db3e1a082410550d8ee3ec8f67b7be295e5f0389c737109949b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3b4e54082f8db3e1a082410550d8ee3ec8f67b7be295e5f0389c737109949b", kill_on_drop: false }`
[INFO] [stdout] 1d3b4e54082f8db3e1a082410550d8ee3ec8f67b7be295e5f0389c737109949b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41648c4a1f9903f4fc91799e60503cad58e5997c10f17cdeec89e268a0914e9
[INFO] running `Command { std: "docker" "start" "-a" "f41648c4a1f9903f4fc91799e60503cad58e5997c10f17cdeec89e268a0914e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling system_media v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/null/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         unimplemented!("system-media currently only supports macOS.");
[INFO] [stdout]    |         ------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 55 |         println!("how do we stop a session?");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> src/null/mod.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn set_title(&self, title: &str) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `artist`
[INFO] [stdout]   --> src/null/mod.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn set_artist(&self, artist: &str) {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_artist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `album`
[INFO] [stdout]   --> src/null/mod.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set_album(&self, album: &str) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_album`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `genre`
[INFO] [stdout]   --> src/null/mod.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn set_genre(&self, genre: &str) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_genre`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/null/mod.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn set_image(&self, path: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `media_type`
[INFO] [stdout]   --> src/null/mod.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set_media_type(&self, media_type: MediaType) {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_media_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> src/null/mod.rs:37:37
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn set_playback_duration(&self, duration: f64) {
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> src/null/mod.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn set_elapsed_duration(&self, duration: f64) {
[INFO] [stdout]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rate`
[INFO] [stdout]   --> src/null/mod.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn set_playback_rate(&self, rate: f64) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "f41648c4a1f9903f4fc91799e60503cad58e5997c10f17cdeec89e268a0914e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41648c4a1f9903f4fc91799e60503cad58e5997c10f17cdeec89e268a0914e9", kill_on_drop: false }`
[INFO] [stdout] f41648c4a1f9903f4fc91799e60503cad58e5997c10f17cdeec89e268a0914e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6802baa277458dfd68867f705eff84c40871b4d49acd537b78f8783f8861907
[INFO] running `Command { std: "docker" "start" "-a" "d6802baa277458dfd68867f705eff84c40871b4d49acd537b78f8783f8861907", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/null/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         unimplemented!("system-media currently only supports macOS.");
[INFO] [stdout]    |         ------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 55 |         println!("how do we stop a session?");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> src/null/mod.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn set_title(&self, title: &str) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `artist`
[INFO] [stdout]   --> src/null/mod.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn set_artist(&self, artist: &str) {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_artist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `album`
[INFO] [stdout]   --> src/null/mod.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set_album(&self, album: &str) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_album`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `genre`
[INFO] [stdout]   --> src/null/mod.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn set_genre(&self, genre: &str) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_genre`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/null/mod.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn set_image(&self, path: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `media_type`
[INFO] [stdout]   --> src/null/mod.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set_media_type(&self, media_type: MediaType) {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_media_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling system_media v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> src/null/mod.rs:37:37
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn set_playback_duration(&self, duration: f64) {
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> src/null/mod.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn set_elapsed_duration(&self, duration: f64) {
[INFO] [stdout]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rate`
[INFO] [stdout]   --> src/null/mod.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn set_playback_rate(&self, rate: f64) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/null/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         unimplemented!("system-media currently only supports macOS.");
[INFO] [stdout]    |         ------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 55 |         println!("how do we stop a session?");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> src/null/mod.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn set_title(&self, title: &str) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `artist`
[INFO] [stdout]   --> src/null/mod.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn set_artist(&self, artist: &str) {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_artist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `album`
[INFO] [stdout]   --> src/null/mod.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set_album(&self, album: &str) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_album`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `genre`
[INFO] [stdout]   --> src/null/mod.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn set_genre(&self, genre: &str) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_genre`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/null/mod.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn set_image(&self, path: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `media_type`
[INFO] [stdout]   --> src/null/mod.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set_media_type(&self, media_type: MediaType) {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_media_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> src/null/mod.rs:37:37
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn set_playback_duration(&self, duration: f64) {
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> src/null/mod.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn set_elapsed_duration(&self, duration: f64) {
[INFO] [stdout]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rate`
[INFO] [stdout]   --> src/null/mod.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn set_playback_rate(&self, rate: f64) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "d6802baa277458dfd68867f705eff84c40871b4d49acd537b78f8783f8861907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6802baa277458dfd68867f705eff84c40871b4d49acd537b78f8783f8861907", kill_on_drop: false }`
[INFO] [stdout] d6802baa277458dfd68867f705eff84c40871b4d49acd537b78f8783f8861907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80e8cf4580d2eeacf35be908a0f7e05caad3d6bd398d8d03206d69346e487419
[INFO] running `Command { std: "docker" "start" "-a" "80e8cf4580d2eeacf35be908a0f7e05caad3d6bd398d8d03206d69346e487419", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> build.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> build.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `system_media` (build script) generated 2 warnings
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/null/mod.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         unimplemented!("system-media currently only supports macOS.");
[INFO] [stderr]    |         ------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 55 |         println!("how do we stop a session?");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `title`
[INFO] [stderr]   --> src/null/mod.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn set_title(&self, title: &str) {
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `artist`
[INFO] [stderr]   --> src/null/mod.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn set_artist(&self, artist: &str) {
[INFO] [stderr]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_artist`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `album`
[INFO] [stderr]   --> src/null/mod.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn set_album(&self, album: &str) {
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_album`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `genre`
[INFO] [stderr]   --> src/null/mod.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn set_genre(&self, genre: &str) {
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_genre`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/null/mod.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn set_image(&self, path: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `media_type`
[INFO] [stderr]   --> src/null/mod.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn set_media_type(&self, media_type: MediaType) {
[INFO] [stderr]    |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_media_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration`
[INFO] [stderr]   --> src/null/mod.rs:37:37
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn set_playback_duration(&self, duration: f64) {
[INFO] [stderr]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration`
[INFO] [stderr]   --> src/null/mod.rs:41:36
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn set_elapsed_duration(&self, duration: f64) {
[INFO] [stderr]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rate`
[INFO] [stderr]   --> src/null/mod.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn set_playback_rate(&self, rate: f64) {
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: `system_media` (lib) generated 10 warnings (run `cargo fix --lib -p system_media` to apply 9 suggestions)
[INFO] [stderr] warning: `system_media` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/system_media-937096a6b2b0596d)
[INFO] [stderr]    Doc-tests system_media
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80e8cf4580d2eeacf35be908a0f7e05caad3d6bd398d8d03206d69346e487419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e8cf4580d2eeacf35be908a0f7e05caad3d6bd398d8d03206d69346e487419", kill_on_drop: false }`
[INFO] [stdout] 80e8cf4580d2eeacf35be908a0f7e05caad3d6bd398d8d03206d69346e487419