[INFO] fetching crate sim7020 2.2.0...
[INFO] testing sim7020-2.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sim7020 2.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sim7020 2.2.0
[INFO] finished tweaking crates.io crate sim7020 2.2.0
[INFO] tweaked toml for crates.io crate sim7020 2.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sim7020 2.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sim7020 2.2.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fe1b6a873085d01b727c57fe5e2a95d9a2db820069337b1fdb467ef114606b5
[INFO] running `Command { std: "docker" "start" "-a" "9fe1b6a873085d01b727c57fe5e2a95d9a2db820069337b1fdb467ef114606b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fe1b6a873085d01b727c57fe5e2a95d9a2db820069337b1fdb467ef114606b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe1b6a873085d01b727c57fe5e2a95d9a2db820069337b1fdb467ef114606b5", kill_on_drop: false }`
[INFO] [stdout] 9fe1b6a873085d01b727c57fe5e2a95d9a2db820069337b1fdb467ef114606b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc944893533eff455aa18593e13de60f79ccf474ce5b54dce2463d853b9864c3
[INFO] running `Command { std: "docker" "start" "-a" "cc944893533eff455aa18593e13de60f79ccf474ce5b54dce2463d853b9864c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling at-commands v0.5.6
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling sim7020 v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "cc944893533eff455aa18593e13de60f79ccf474ce5b54dce2463d853b9864c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc944893533eff455aa18593e13de60f79ccf474ce5b54dce2463d853b9864c3", kill_on_drop: false }`
[INFO] [stdout] cc944893533eff455aa18593e13de60f79ccf474ce5b54dce2463d853b9864c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b986c0e866906365e23d748a6965d091d8c713a62e837444583c221de05016f1
[INFO] running `Command { std: "docker" "start" "-a" "b986c0e866906365e23d748a6965d091d8c713a62e837444583c221de05016f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling defmt-test-macros v0.3.2
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]    Compiling defmt v0.3.100
[INFO] [stderr]    Compiling defmt-test v0.3.3
[INFO] [stderr]    Compiling sim7020 v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/at_command/socket.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let result = at_connect_request.get_command(&mut buffer).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "b986c0e866906365e23d748a6965d091d8c713a62e837444583c221de05016f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b986c0e866906365e23d748a6965d091d8c713a62e837444583c221de05016f1", kill_on_drop: false }`
[INFO] [stdout] b986c0e866906365e23d748a6965d091d8c713a62e837444583c221de05016f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b239859615df7fad18ecb1df844bafcf3bf622554e282d514aade40229f9546
[INFO] running `Command { std: "docker" "start" "-a" "3b239859615df7fad18ecb1df844bafcf3bf622554e282d514aade40229f9546", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/at_command/socket.rs:250:13
[INFO] [stderr]     |
[INFO] [stderr] 250 |         let result = at_connect_request.get_command(&mut buffer).unwrap();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sim7020` (lib test) generated 1 warning (run `cargo fix --lib -p sim7020 --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sim7020-9d237996257c6948)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test at_command::socket::test::test_close_socket ... ok
[INFO] [stdout] test at_command::socket::test::test_connect_remote_socket_command ... ok
[INFO] [stdout] test at_command::socket::test::test_create_socket_command ... ok
[INFO] [stdout] test at_command::socket::test::test_create_socket_command_without_cid ... ok
[INFO] [stdout] test at_command::socket::test::test_parse_create_socket_response ... ok
[INFO] [stdout] test at_command::socket::test::test_connect_remote_socket_command_with_invalid_port - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sim7020
[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] running `Command { std: "docker" "inspect" "3b239859615df7fad18ecb1df844bafcf3bf622554e282d514aade40229f9546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b239859615df7fad18ecb1df844bafcf3bf622554e282d514aade40229f9546", kill_on_drop: false }`
[INFO] [stdout] 3b239859615df7fad18ecb1df844bafcf3bf622554e282d514aade40229f9546
