[INFO] fetching crate sound-tts 0.1.5...
[INFO] building sound-tts-0.1.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate sound-tts 0.1.5 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sound-tts 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sound-tts 0.1.5
[INFO] tweaked toml for crates.io crate sound-tts 0.1.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sound-tts 0.1.5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sound-tts 0.1.5 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b8ca8bda091d97104738b2801b75b64b823e3d219ce3a2a6ed2e78015fa8514
[INFO] running `Command { std: "docker" "start" "-a" "9b8ca8bda091d97104738b2801b75b64b823e3d219ce3a2a6ed2e78015fa8514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b8ca8bda091d97104738b2801b75b64b823e3d219ce3a2a6ed2e78015fa8514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8ca8bda091d97104738b2801b75b64b823e3d219ce3a2a6ed2e78015fa8514", kill_on_drop: false }`
[INFO] [stdout] 9b8ca8bda091d97104738b2801b75b64b823e3d219ce3a2a6ed2e78015fa8514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a46a47e560e1f883dacac9a01dc4a771ac6defadc5a29f42eacfb9a7d1288acd
[INFO] running `Command { std: "docker" "start" "-a" "a46a47e560e1f883dacac9a01dc4a771ac6defadc5a29f42eacfb9a7d1288acd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling sound-tts v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/mark/linux.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn speak(&self, context: SoundValue, interrupt: bool) -> Result<(), Error> {
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interrupt`
[INFO] [stdout]   --> src/mark/linux.rs:32:46
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn speak(&self, context: SoundValue, interrupt: bool) -> Result<(), Error> {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interrupt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `player` and `device_name` are never read
[INFO] [stdout]   --> src/mark/linux.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub(crate) struct LinuxTTs {
[INFO] [stdout]    |                       -------- fields in this struct
[INFO] [stdout] 12 |         player: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |         device_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LinuxTTs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `play_count` and `play_interval` are never read
[INFO] [stdout]    --> src/lib.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub struct SoundValue {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 192 |     play_count: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 193 |     play_interval: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SoundValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "a46a47e560e1f883dacac9a01dc4a771ac6defadc5a29f42eacfb9a7d1288acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46a47e560e1f883dacac9a01dc4a771ac6defadc5a29f42eacfb9a7d1288acd", kill_on_drop: false }`
[INFO] [stdout] a46a47e560e1f883dacac9a01dc4a771ac6defadc5a29f42eacfb9a7d1288acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f19a9f83f7370c7b46f6f4c71060b8186c0a14ca49a2662d576191ad99cd3e9a
[INFO] running `Command { std: "docker" "start" "-a" "f19a9f83f7370c7b46f6f4c71060b8186c0a14ca49a2662d576191ad99cd3e9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sound-tts v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/mark/linux.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn speak(&self, context: SoundValue, interrupt: bool) -> Result<(), Error> {
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interrupt`
[INFO] [stdout]   --> src/mark/linux.rs:32:46
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn speak(&self, context: SoundValue, interrupt: bool) -> Result<(), Error> {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interrupt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `player` and `device_name` are never read
[INFO] [stdout]   --> src/mark/linux.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub(crate) struct LinuxTTs {
[INFO] [stdout]    |                       -------- fields in this struct
[INFO] [stdout] 12 |         player: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |         device_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LinuxTTs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `play_count` and `play_interval` are never read
[INFO] [stdout]    --> src/lib.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub struct SoundValue {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 192 |     play_count: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 193 |     play_interval: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SoundValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SoundTTs` and `SoundValue`
[INFO] [stdout]  --> examples/test.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sound_tts::{SoundTTs, SoundValue};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `test`
[INFO] [stdout]   --> examples/test.rs:24:2
[INFO] [stdout]    |
[INFO] [stdout] 24 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/test.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sound-tts` (example "test") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/mark/linux.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn speak(&self, context: SoundValue, interrupt: bool) -> Result<(), Error> {
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interrupt`
[INFO] [stdout]   --> src/mark/linux.rs:32:46
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn speak(&self, context: SoundValue, interrupt: bool) -> Result<(), Error> {
[INFO] [stdout]    |                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interrupt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `play_count` and `play_interval` are never read
[INFO] [stdout]    --> src/lib.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub struct SoundValue {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 192 |     play_count: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 193 |     play_interval: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SoundValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `player` and `device_name` are never read
[INFO] [stdout]   --> src/mark/linux.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub(crate) struct LinuxTTs {
[INFO] [stdout]    |                       -------- fields in this struct
[INFO] [stdout] 12 |         player: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |         device_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LinuxTTs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f19a9f83f7370c7b46f6f4c71060b8186c0a14ca49a2662d576191ad99cd3e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19a9f83f7370c7b46f6f4c71060b8186c0a14ca49a2662d576191ad99cd3e9a", kill_on_drop: false }`
[INFO] [stdout] f19a9f83f7370c7b46f6f4c71060b8186c0a14ca49a2662d576191ad99cd3e9a