[INFO] fetching crate sensorlm-rs 0.1.0...
[INFO] checking sensorlm-rs-0.1.0 against try#2c4819a380dbddb1f2a0f4405a49fb6ed90983ae for pr-152996
[INFO] extracting crate sensorlm-rs 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sensorlm-rs 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sensorlm-rs 0.1.0
[INFO] tweaked toml for crates.io crate sensorlm-rs 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sensorlm-rs 0.1.0 on toolchain 2c4819a380dbddb1f2a0f4405a49fb6ed90983ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sensorlm-rs 0.1.0 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" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c99fcb2db7e63ecfd36b098afb77def8c147d596fb87aafe3db6418c0fcdb4ee
[INFO] running `Command { std: "docker" "start" "-a" "c99fcb2db7e63ecfd36b098afb77def8c147d596fb87aafe3db6418c0fcdb4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c99fcb2db7e63ecfd36b098afb77def8c147d596fb87aafe3db6418c0fcdb4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99fcb2db7e63ecfd36b098afb77def8c147d596fb87aafe3db6418c0fcdb4ee", kill_on_drop: false }`
[INFO] [stdout] c99fcb2db7e63ecfd36b098afb77def8c147d596fb87aafe3db6418c0fcdb4ee
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2672b267dc8625742c839ac4349eab45cfd90189c035aa647feface97064b9fd
[INFO] running `Command { std: "docker" "start" "-a" "2672b267dc8625742c839ac4349eab45cfd90189c035aa647feface97064b9fd", kill_on_drop: false }`
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[INFO] [stderr]     Checking sensorlm-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `backend::Backend`
[INFO] [stdout]   --> examples/inference_demo.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 | use burn::tensor::{backend::Backend, Tensor, Int};
[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: `CaptionKey`
[INFO] [stdout]   --> examples/inference_demo.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     config::{CaptionKey, PoolType, SensorEncoderConfig, SensorLMConfig, TextEncoderConfig},
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.09s
[INFO] running `Command { std: "docker" "inspect" "2672b267dc8625742c839ac4349eab45cfd90189c035aa647feface97064b9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2672b267dc8625742c839ac4349eab45cfd90189c035aa647feface97064b9fd", kill_on_drop: false }`
[INFO] [stdout] 2672b267dc8625742c839ac4349eab45cfd90189c035aa647feface97064b9fd