[INFO] fetching crate i2c-multiplexer 0.2.0...
[INFO] checking i2c-multiplexer-0.2.0 against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681
[INFO] extracting crate i2c-multiplexer 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate i2c-multiplexer 0.2.0
[INFO] finished tweaking crates.io crate i2c-multiplexer 0.2.0
[INFO] tweaked toml for crates.io crate i2c-multiplexer 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate i2c-multiplexer 0.2.0 on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate i2c-multiplexer 0.2.0 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 270d87be25c7bda587ebb9128a3f35abb94b90028366d828409b111f7aa6a7cb
[INFO] running `Command { std: "docker" "start" "-a" "270d87be25c7bda587ebb9128a3f35abb94b90028366d828409b111f7aa6a7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270d87be25c7bda587ebb9128a3f35abb94b90028366d828409b111f7aa6a7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270d87be25c7bda587ebb9128a3f35abb94b90028366d828409b111f7aa6a7cb", kill_on_drop: false }`
[INFO] [stdout] 270d87be25c7bda587ebb9128a3f35abb94b90028366d828409b111f7aa6a7cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 679297fb413c4cc1b4918fcfdf100c1891a5b5fb28c3d4cb3a058c3dd79e334c
[INFO] running `Command { std: "docker" "start" "-a" "679297fb413c4cc1b4918fcfdf100c1891a5b5fb28c3d4cb3a058c3dd79e334c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling embedded-hal-bus v0.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rstest_macros v0.16.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.1
[INFO] [stderr]     Checking embedded-hal-mock v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/4949cf2f817beadb9a248d423b6d55d6d2398ffe/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=7bd68420b47566d2 -C extra-filename=-770f7e6288f87fde --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f77d51280df25a86.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b19d02e79eb7f315.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "679297fb413c4cc1b4918fcfdf100c1891a5b5fb28c3d4cb3a058c3dd79e334c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679297fb413c4cc1b4918fcfdf100c1891a5b5fb28c3d4cb3a058c3dd79e334c", kill_on_drop: false }`
[INFO] [stdout] 679297fb413c4cc1b4918fcfdf100c1891a5b5fb28c3d4cb3a058c3dd79e334c