[INFO] fetching crate stabilizer 0.3.0...
[INFO] testing stabilizer-0.3.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate stabilizer 0.3.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate stabilizer 0.3.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-89/source/.cargo/config
[INFO] started tweaking crates.io crate stabilizer 0.3.0
[INFO] finished tweaking crates.io crate stabilizer 0.3.0
[INFO] tweaked toml for crates.io crate stabilizer 0.3.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate crates.io crate stabilizer 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.7
[INFO] [stderr]   Downloaded smoltcp v0.6.0
[INFO] [stderr]   Downloaded cortex-m v0.6.2
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.11
[INFO] [stderr]   Downloaded rtfm-core v0.3.0
[INFO] [stderr]   Downloaded cortex-m-rtfm-macros v0.5.0
[INFO] [stderr]   Downloaded cortex-m-rtfm v0.5.1
[INFO] [stderr]   Downloaded cortex-m-log v0.6.1
[INFO] [stderr]   Downloaded rtfm-syntax v0.4.0
[INFO] [stderr]   Downloaded heapless v0.5.2
[INFO] [stderr]   Downloaded serde-json-core v0.1.0
[INFO] [stderr]   Downloaded managed v0.7.1
[INFO] [stderr]   Downloaded as-slice v0.1.2
[INFO] [stderr]   Downloaded stm32h7 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afb9baaf92d13d27d2b3a064b5da9ff5fae46621829d4f0ce76ea65605b14bab
[INFO] running `Command { std: "docker" "start" "-a" "afb9baaf92d13d27d2b3a064b5da9ff5fae46621829d4f0ce76ea65605b14bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afb9baaf92d13d27d2b3a064b5da9ff5fae46621829d4f0ce76ea65605b14bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb9baaf92d13d27d2b3a064b5da9ff5fae46621829d4f0ce76ea65605b14bab", kill_on_drop: false }`
[INFO] [stdout] afb9baaf92d13d27d2b3a064b5da9ff5fae46621829d4f0ce76ea65605b14bab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58dcc4e6e2b3361f3cdc9807cdcbb06a3d4dcea3eef563d71dc2d359dfdd4554
[INFO] running `Command { std: "docker" "start" "-a" "58dcc4e6e2b3361f3cdc9807cdcbb06a3d4dcea3eef563d71dc2d359dfdd4554", 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] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling heapless v0.5.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.1
[INFO] [stderr]    Compiling stm32h7 v0.9.0
[INFO] [stderr]    Compiling cortex-m-log v0.6.1
[INFO] [stderr]    Compiling managed v0.7.1
[INFO] [stderr]    Compiling rtfm-core v0.3.0
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling smoltcp v0.6.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling as-slice v0.1.2
[INFO] [stderr]    Compiling aligned v0.3.2
[INFO] [stderr]    Compiling rtfm-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.0
[INFO] [stderr] error: could not compile `stm32h7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stm32h7 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32h7-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2 --cfg 'feature="cortex-m-rt"' --cfg 'feature="default"' --cfg 'feature="rt"' --cfg 'feature="stm32h743"' -C metadata=0397096bf6bb8cb4 -C extra-filename=-0397096bf6bb8cb4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-aa2d5f1bfe4a0e19.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0178499a4a218512.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-7409b01929a070ac.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-e4483ceb5c870c2e.rmeta --cap-lints allow --cap-lints=forbid -L /opt/rustwide/target/debug/build/stm32h7-68b84e1009670e2d/out -L /opt/rustwide/target/debug/build/cortex-m-rt-e65800ecf7ca35a2/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "58dcc4e6e2b3361f3cdc9807cdcbb06a3d4dcea3eef563d71dc2d359dfdd4554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58dcc4e6e2b3361f3cdc9807cdcbb06a3d4dcea3eef563d71dc2d359dfdd4554", kill_on_drop: false }`
[INFO] [stdout] 58dcc4e6e2b3361f3cdc9807cdcbb06a3d4dcea3eef563d71dc2d359dfdd4554