[INFO] fetching crate i2c-multiplexer 0.1.1... [INFO] checking i2c-multiplexer-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate i2c-multiplexer 0.1.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate i2c-multiplexer 0.1.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate i2c-multiplexer 0.1.1 [INFO] finished tweaking crates.io crate i2c-multiplexer 0.1.1 [INFO] tweaked toml for crates.io crate i2c-multiplexer 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 84 packages [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding embedded-hal-mock v0.9.0 (latest: v0.10.0) [INFO] [stderr] Adding embedded-io v0.3.1 (latest: v0.6.1) [INFO] [stderr] Adding embedded-svc v0.22.3 (latest: v0.27.1) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding no-std-net v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding num v0.3.1 (latest: v0.4.1) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.3.2 (latest: v0.4.1) [INFO] [stderr] Adding num_enum v0.5.11 (latest: v0.7.2) [INFO] [stderr] Adding num_enum_derive v0.5.11 (latest: v0.7.2) [INFO] [stderr] Adding proc-macro-crate v1.3.1 (latest: v3.1.0) [INFO] [stderr] Adding rstest v0.16.0 (latest: v0.18.2) [INFO] [stderr] Adding rstest_macros v0.16.0 (latest: v0.18.2) [INFO] [stderr] Adding shared-bus v0.2.5 (latest: v0.3.1) [INFO] [stderr] Adding strum v0.23.0 (latest: v0.26.2) [INFO] [stderr] Adding strum_macros v0.23.1 (latest: v0.26.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.9) [INFO] [stderr] Adding winnow v0.5.40 (latest: v0.6.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", 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] Downloading crates ... [INFO] [stderr] Downloaded embedded-svc v0.22.3 [INFO] [stderr] Downloaded shared-bus v0.2.5 [INFO] [stderr] Downloaded embedded-hal-mock v0.9.0 [INFO] [stderr] Downloaded embedded-time v0.12.1 [INFO] [stderr] Downloaded embedded-io v0.3.1 [INFO] [stderr] Downloaded rstest_macros v0.16.0 [INFO] [stderr] Downloaded rstest v0.16.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 478696ff0ac6f03d7b35ab509a09270b245d1f37e87e807b7905eaef52db3989 [INFO] running `Command { std: "docker" "start" "-a" "478696ff0ac6f03d7b35ab509a09270b245d1f37e87e807b7905eaef52db3989", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "478696ff0ac6f03d7b35ab509a09270b245d1f37e87e807b7905eaef52db3989", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "478696ff0ac6f03d7b35ab509a09270b245d1f37e87e807b7905eaef52db3989", kill_on_drop: false }` [INFO] [stdout] 478696ff0ac6f03d7b35ab509a09270b245d1f37e87e807b7905eaef52db3989 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f91c77b8c6e8eafd1760995cfef85f83bc613540be119a961f6790bf442a3445 [INFO] running `Command { std: "docker" "start" "-a" "f91c77b8c6e8eafd1760995cfef85f83bc613540be119a961f6790bf442a3445", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling darling_core v0.20.8 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Compiling rstest_macros v0.16.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking embedded-io v0.3.1 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking embedded-time v0.12.1 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Checking shared-bus v0.2.5 [INFO] [stderr] Compiling darling_macro v0.20.8 [INFO] [stderr] Checking no-std-net v0.5.0 [INFO] [stderr] Checking embedded-hal-mock v0.9.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Compiling darling v0.20.8 [INFO] [stderr] Compiling enumset_derive v0.8.1 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Compiling strum_macros v0.23.1 [INFO] [stderr] Checking enumset v1.1.3 [INFO] [stderr] Checking num_enum v0.5.11 [INFO] [stderr] Checking strum v0.23.0 [INFO] [stderr] Checking embedded-svc v0.22.3 [INFO] [stderr] Checking rstest v0.16.0 [INFO] [stderr] Checking i2c-multiplexer v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.22s [INFO] running `Command { std: "docker" "inspect" "f91c77b8c6e8eafd1760995cfef85f83bc613540be119a961f6790bf442a3445", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f91c77b8c6e8eafd1760995cfef85f83bc613540be119a961f6790bf442a3445", kill_on_drop: false }` [INFO] [stdout] f91c77b8c6e8eafd1760995cfef85f83bc613540be119a961f6790bf442a3445