[INFO] fetching crate serialstudio 0.1.1...
[INFO] testing serialstudio-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate serialstudio 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serialstudio 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serialstudio 0.1.1
[INFO] finished tweaking crates.io crate serialstudio 0.1.1
[INFO] tweaked toml for crates.io crate serialstudio 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate serialstudio 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76b576a15c99bb320544707c6a046c72b5bb3556eddfb443417ff187dff5d68e
[INFO] running `Command { std: "docker" "start" "-a" "76b576a15c99bb320544707c6a046c72b5bb3556eddfb443417ff187dff5d68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76b576a15c99bb320544707c6a046c72b5bb3556eddfb443417ff187dff5d68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b576a15c99bb320544707c6a046c72b5bb3556eddfb443417ff187dff5d68e", kill_on_drop: false }`
[INFO] [stdout] 76b576a15c99bb320544707c6a046c72b5bb3556eddfb443417ff187dff5d68e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 584c1f9cd90f74d2499b886305d69d6583b565625fc69a05b469992069a20a4f
[INFO] running `Command { std: "docker" "start" "-a" "584c1f9cd90f74d2499b886305d69d6583b565625fc69a05b469992069a20a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serialstudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/friendly.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `widgets`
[INFO] [stdout]   --> src/friendly.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     widgets: Vec<Box<dyn Widget>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.27s
[INFO] running `Command { std: "docker" "inspect" "584c1f9cd90f74d2499b886305d69d6583b565625fc69a05b469992069a20a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584c1f9cd90f74d2499b886305d69d6583b565625fc69a05b469992069a20a4f", kill_on_drop: false }`
[INFO] [stdout] 584c1f9cd90f74d2499b886305d69d6583b565625fc69a05b469992069a20a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 217fadee88c8285516cd4197f5969f29809e4c8d4147657dc96044d08bc768fc
[INFO] running `Command { std: "docker" "start" "-a" "217fadee88c8285516cd4197f5969f29809e4c8d4147657dc96044d08bc768fc", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/friendly.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serialstudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `widgets`
[INFO] [stdout]   --> src/friendly.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     widgets: Vec<Box<dyn Widget>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WidgetSubType`
[INFO] [stdout]  --> examples/random.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 |     data::{DataGroup, DataSet, TelemetryFrame, WidgetSubType},
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/friendly.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `widgets`
[INFO] [stdout]   --> src/friendly.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     widgets: Vec<Box<dyn Widget>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "217fadee88c8285516cd4197f5969f29809e4c8d4147657dc96044d08bc768fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217fadee88c8285516cd4197f5969f29809e4c8d4147657dc96044d08bc768fc", kill_on_drop: false }`
[INFO] [stdout] 217fadee88c8285516cd4197f5969f29809e4c8d4147657dc96044d08bc768fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbceb4e84636e8dd0857facba42949874a028785996d0d9f5364dd6e11ff335b
[INFO] running `Command { std: "docker" "start" "-a" "dbceb4e84636e8dd0857facba42949874a028785996d0d9f5364dd6e11ff335b", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/friendly.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `widgets`
[INFO] [stderr]   --> src/friendly.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     widgets: Vec<Box<dyn Widget>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/friendly.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `widgets`
[INFO] [stderr]   --> src/friendly.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     widgets: Vec<Box<dyn Widget>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WidgetSubType`
[INFO] [stderr]  --> examples/random.rs:3:48
[INFO] [stderr]   |
[INFO] [stderr] 3 |     data::{DataGroup, DataSet, TelemetryFrame, WidgetSubType},
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serialstudio-9cc9edd7884d4987)
[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] [stderr]    Doc-tests serialstudio
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "dbceb4e84636e8dd0857facba42949874a028785996d0d9f5364dd6e11ff335b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbceb4e84636e8dd0857facba42949874a028785996d0d9f5364dd6e11ff335b", kill_on_drop: false }`
[INFO] [stdout] dbceb4e84636e8dd0857facba42949874a028785996d0d9f5364dd6e11ff335b