[INFO] fetching crate sc7u22 0.0.0...
[INFO] testing sc7u22-0.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sc7u22 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate sc7u22 0.0.0
[INFO] finished tweaking crates.io crate sc7u22 0.0.0
[INFO] tweaked toml for crates.io crate sc7u22 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sc7u22 0.0.0 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 sc7u22 0.0.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] be7f4b0821fc9e767e06e582f3e9e5ac4c9822d7ce08cd23d925bcf303472c8a
[INFO] running `Command { std: "docker" "start" "-a" "be7f4b0821fc9e767e06e582f3e9e5ac4c9822d7ce08cd23d925bcf303472c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7f4b0821fc9e767e06e582f3e9e5ac4c9822d7ce08cd23d925bcf303472c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7f4b0821fc9e767e06e582f3e9e5ac4c9822d7ce08cd23d925bcf303472c8a", kill_on_drop: false }`
[INFO] [stdout] be7f4b0821fc9e767e06e582f3e9e5ac4c9822d7ce08cd23d925bcf303472c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c7dedefbd4e57ab26334fb9dcae793d00e7c984c58571e695f2f2865a9853cb5
[INFO] running `Command { std: "docker" "start" "-a" "c7dedefbd4e57ab26334fb9dcae793d00e7c984c58571e695f2f2865a9853cb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pulldown-cmark v0.11.3
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]    Compiling manyhow v0.11.4
[INFO] [stderr]    Compiling maybe-async-cfg v0.2.5
[INFO] [stderr]    Compiling sc7u22 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `delay::DelayNs` and `i2c::I2c`
[INFO] [stdout]  --> src/lib.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_hal::{delay::DelayNs, i2c::I2c};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crc8` is never used
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn crc8(data: &[u8]) -> u8 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "c7dedefbd4e57ab26334fb9dcae793d00e7c984c58571e695f2f2865a9853cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7dedefbd4e57ab26334fb9dcae793d00e7c984c58571e695f2f2865a9853cb5", kill_on_drop: false }`
[INFO] [stdout] c7dedefbd4e57ab26334fb9dcae793d00e7c984c58571e695f2f2865a9853cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6edab88f01aec213217b57735415d4a026cc557df8708b62daf95580c071aef9
[INFO] running `Command { std: "docker" "start" "-a" "6edab88f01aec213217b57735415d4a026cc557df8708b62daf95580c071aef9", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `delay::DelayNs` and `i2c::I2c`
[INFO] [stdout]  --> src/lib.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_hal::{delay::DelayNs, i2c::I2c};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crc8` is never used
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn crc8(data: &[u8]) -> u8 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sc7u22 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `delay::DelayNs` and `i2c::I2c`
[INFO] [stdout]  --> src/lib.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_hal::{delay::DelayNs, i2c::I2c};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "6edab88f01aec213217b57735415d4a026cc557df8708b62daf95580c071aef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6edab88f01aec213217b57735415d4a026cc557df8708b62daf95580c071aef9", kill_on_drop: false }`
[INFO] [stdout] 6edab88f01aec213217b57735415d4a026cc557df8708b62daf95580c071aef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f3caabc001665997452dcf1f1cdd6a1a1aeaa1c8099138c3c21a540109b833df
[INFO] running `Command { std: "docker" "start" "-a" "f3caabc001665997452dcf1f1cdd6a1a1aeaa1c8099138c3c21a540109b833df", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `delay::DelayNs` and `i2c::I2c`
[INFO] [stderr]  --> src/lib.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use embedded_hal::{delay::DelayNs, i2c::I2c};
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `crc8` is never used
[INFO] [stderr]   --> src/lib.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn crc8(data: &[u8]) -> u8 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sc7u22` (lib) generated 2 warnings (run `cargo fix --lib -p sc7u22` to apply 1 suggestion)
[INFO] [stderr] warning: `sc7u22` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sc7u22-ff8964e6a3a5caa3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sc7u22
[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" "f3caabc001665997452dcf1f1cdd6a1a1aeaa1c8099138c3c21a540109b833df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3caabc001665997452dcf1f1cdd6a1a1aeaa1c8099138c3c21a540109b833df", kill_on_drop: false }`
[INFO] [stdout] f3caabc001665997452dcf1f1cdd6a1a1aeaa1c8099138c3c21a540109b833df
