[INFO] fetching crate serialstudio 0.1.1...
[INFO] testing serialstudio-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate serialstudio 0.1.1 into /workspace/builds/worker-2-tc2/source
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialstudio 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialstudio 0.1.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81a36c80de789fa30ccf882652b364313e1898b97807e95983c8efe1b09378f2
[INFO] running `Command { std: "docker" "start" "-a" "81a36c80de789fa30ccf882652b364313e1898b97807e95983c8efe1b09378f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81a36c80de789fa30ccf882652b364313e1898b97807e95983c8efe1b09378f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a36c80de789fa30ccf882652b364313e1898b97807e95983c8efe1b09378f2", kill_on_drop: false }`
[INFO] [stdout] 81a36c80de789fa30ccf882652b364313e1898b97807e95983c8efe1b09378f2
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ee61c478e27ba3c60a4a5db7f9c2a2d54a5c64a6b1dddf06b7e77b2f715b2ee
[INFO] running `Command { std: "docker" "start" "-a" "1ee61c478e27ba3c60a4a5db7f9c2a2d54a5c64a6b1dddf06b7e77b2f715b2ee", 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 serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serialstudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_group` is never used
[INFO] [stdout]  --> src/friendly.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait Widget {
[INFO] [stdout]   |       ------ method in this trait
[INFO] [stdout] 8 |     fn get_group(&self) -> DataGroup;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `graph` are never read
[INFO] [stdout]   --> src/friendly.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct MapWidget {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     graph: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `widgets` are never read
[INFO] [stdout]   --> src/friendly.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Dashboard {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 63 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 64 |     widgets: Vec<Box<dyn Widget>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "1ee61c478e27ba3c60a4a5db7f9c2a2d54a5c64a6b1dddf06b7e77b2f715b2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee61c478e27ba3c60a4a5db7f9c2a2d54a5c64a6b1dddf06b7e77b2f715b2ee", kill_on_drop: false }`
[INFO] [stdout] 1ee61c478e27ba3c60a4a5db7f9c2a2d54a5c64a6b1dddf06b7e77b2f715b2ee
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 085f6003f149f83aba922fabd15ef2b5b1343adce3ddf14d67002825faa54060
[INFO] running `Command { std: "docker" "start" "-a" "085f6003f149f83aba922fabd15ef2b5b1343adce3ddf14d67002825faa54060", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialstudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_group` is never used
[INFO] [stdout]  --> src/friendly.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait Widget {
[INFO] [stdout]   |       ------ method in this trait
[INFO] [stdout] 8 |     fn get_group(&self) -> DataGroup;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `graph` are never read
[INFO] [stdout]   --> src/friendly.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct MapWidget {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     graph: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `widgets` are never read
[INFO] [stdout]   --> src/friendly.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Dashboard {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 63 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 64 |     widgets: Vec<Box<dyn Widget>>,
[INFO] [stdout]    |     ^^^^^^^
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_group` is never used
[INFO] [stdout]  --> src/friendly.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait Widget {
[INFO] [stdout]   |       ------ method in this trait
[INFO] [stdout] 8 |     fn get_group(&self) -> DataGroup;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `graph` are never read
[INFO] [stdout]   --> src/friendly.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct MapWidget {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     graph: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `widgets` are never read
[INFO] [stdout]   --> src/friendly.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Dashboard {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 63 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 64 |     widgets: Vec<Box<dyn Widget>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "085f6003f149f83aba922fabd15ef2b5b1343adce3ddf14d67002825faa54060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085f6003f149f83aba922fabd15ef2b5b1343adce3ddf14d67002825faa54060", kill_on_drop: false }`
[INFO] [stdout] 085f6003f149f83aba922fabd15ef2b5b1343adce3ddf14d67002825faa54060
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2cd954fc86bf41c60c9b3177a04285632e1b584b186dc430a4a1dbedf372859
[INFO] running `Command { std: "docker" "start" "-a" "b2cd954fc86bf41c60c9b3177a04285632e1b584b186dc430a4a1dbedf372859", kill_on_drop: false }`
[INFO] [stderr] warning: method `get_group` is never used
[INFO] [stderr]  --> src/friendly.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | trait Widget {
[INFO] [stderr]   |       ------ method in this trait
[INFO] [stderr] 8 |     fn get_group(&self) -> DataGroup;
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `graph` are never read
[INFO] [stderr]   --> src/friendly.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct MapWidget {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 15 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 16 |     graph: bool,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `widgets` are never read
[INFO] [stderr]   --> src/friendly.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub struct Dashboard {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] 63 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 64 |     widgets: Vec<Box<dyn Widget>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serialstudio` (lib) generated 3 warnings
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serialstudio` (example "random") generated 1 warning (run `cargo fix --example "random"` to apply 1 suggestion)
[INFO] [stderr] warning: `serialstudio` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serialstudio-487b2a2b95736c17)
[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" "b2cd954fc86bf41c60c9b3177a04285632e1b584b186dc430a4a1dbedf372859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cd954fc86bf41c60c9b3177a04285632e1b584b186dc430a4a1dbedf372859", kill_on_drop: false }`
[INFO] [stdout] b2cd954fc86bf41c60c9b3177a04285632e1b584b186dc430a4a1dbedf372859