[INFO] fetching crate txmodems 0.1.3...
[INFO] building txmodems-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate txmodems 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate txmodems 0.1.3
[INFO] finished tweaking crates.io crate txmodems 0.1.3
[INFO] tweaked toml for crates.io crate txmodems 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate txmodems 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded thiserror-no-std v2.0.2
[INFO] [stderr]   Downloaded thiserror-impl-no-std v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 73c1020540ed2d0e199ff25de7db6da2b4f068864f75230b4c2ba73aa96a24e8
[INFO] running `Command { std: "docker" "start" "-a" "73c1020540ed2d0e199ff25de7db6da2b4f068864f75230b4c2ba73aa96a24e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c1020540ed2d0e199ff25de7db6da2b4f068864f75230b4c2ba73aa96a24e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c1020540ed2d0e199ff25de7db6da2b4f068864f75230b4c2ba73aa96a24e8", kill_on_drop: false }`
[INFO] [stdout] 73c1020540ed2d0e199ff25de7db6da2b4f068864f75230b4c2ba73aa96a24e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e3601c6a10737fe8d44ee201717056ae8071a4fd5d3f4e2dbdb08f6cdeed77b7
[INFO] running `Command { std: "docker" "start" "-a" "e3601c6a10737fe8d44ee201717056ae8071a4fd5d3f4e2dbdb08f6cdeed77b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling thiserror-impl-no-std v2.0.2
[INFO] [stderr]    Compiling thiserror-no-std v2.0.2
[INFO] [stderr]    Compiling txmodems v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused extern crate
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate alloc;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     unused_extern_crates,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]    |
[INFO] [stdout] 19 - extern crate alloc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `utils::*`
[INFO] [stdout]   --> src/common.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use utils::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  4 |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `txmodems` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e3601c6a10737fe8d44ee201717056ae8071a4fd5d3f4e2dbdb08f6cdeed77b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3601c6a10737fe8d44ee201717056ae8071a4fd5d3f4e2dbdb08f6cdeed77b7", kill_on_drop: false }`
[INFO] [stdout] e3601c6a10737fe8d44ee201717056ae8071a4fd5d3f4e2dbdb08f6cdeed77b7