[INFO] fetching crate sound-tts 0.1.5...
[INFO] building sound-tts-0.1.5 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sound-tts 0.1.5 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sound-tts 0.1.5 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b023ee79653ce6d48ad89cdd331d7520d81639942563b9a3a4205ca758978103
[INFO] running `Command { std: "docker" "start" "-a" "b023ee79653ce6d48ad89cdd331d7520d81639942563b9a3a4205ca758978103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b023ee79653ce6d48ad89cdd331d7520d81639942563b9a3a4205ca758978103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b023ee79653ce6d48ad89cdd331d7520d81639942563b9a3a4205ca758978103", kill_on_drop: false }`
[INFO] [stdout] b023ee79653ce6d48ad89cdd331d7520d81639942563b9a3a4205ca758978103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29681c0ae88b3893030776a3161fccbead6326a6965de5c417c2ab7f8bd20f40
[INFO] running `Command { std: "docker" "start" "-a" "29681c0ae88b3893030776a3161fccbead6326a6965de5c417c2ab7f8bd20f40", 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 `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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "29681c0ae88b3893030776a3161fccbead6326a6965de5c417c2ab7f8bd20f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29681c0ae88b3893030776a3161fccbead6326a6965de5c417c2ab7f8bd20f40", kill_on_drop: false }`
[INFO] [stdout] 29681c0ae88b3893030776a3161fccbead6326a6965de5c417c2ab7f8bd20f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7472269f1ff6f17a22a92ae26a53729b1339e20d0ebca1f216144c0e2326730
[INFO] running `Command { std: "docker" "start" "-a" "c7472269f1ff6f17a22a92ae26a53729b1339e20d0ebca1f216144c0e2326730", kill_on_drop: false }`
[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] [stderr]    Compiling sound-tts v0.1.5 (/opt/rustwide/workdir)
[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] [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] [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] running `Command { std: "docker" "inspect" "c7472269f1ff6f17a22a92ae26a53729b1339e20d0ebca1f216144c0e2326730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7472269f1ff6f17a22a92ae26a53729b1339e20d0ebca1f216144c0e2326730", kill_on_drop: false }`
[INFO] [stdout] c7472269f1ff6f17a22a92ae26a53729b1339e20d0ebca1f216144c0e2326730