[INFO] fetching crate losant-mqtt-esp-idf 0.1.0...
[INFO] checking losant-mqtt-esp-idf-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate losant-mqtt-esp-idf 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate losant-mqtt-esp-idf 0.1.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate losant-mqtt-esp-idf 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate losant-mqtt-esp-idf 0.1.0
[INFO] tweaked toml for crates.io crate losant-mqtt-esp-idf 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate losant-mqtt-esp-idf 0.1.0 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded icm42670 v0.1.1
[INFO] [stderr]   Downloaded toml-cfg v0.1.3
[INFO] [stderr]   Downloaded shtcx v0.11.0
[INFO] [stderr]   Downloaded as-slice v0.2.1
[INFO] [stderr]   Downloaded accelerometer v0.12.0
[INFO] [stderr]   Downloaded esp-idf-sys v0.32.1
[INFO] [stderr]   Downloaded cvt v0.1.2
[INFO] [stderr]   Downloaded build-time v0.1.2
[INFO] [stderr]   Downloaded no-std-net v0.5.0
[INFO] [stderr]   Downloaded embedded-can v0.4.1
[INFO] [stderr]   Downloaded uncased v0.9.7
[INFO] [stderr]   Downloaded strum v0.23.0
[INFO] [stderr]   Downloaded aligned v0.4.1
[INFO] [stderr]   Downloaded defmt v0.3.4
[INFO] [stderr]   Downloaded defmt-parser v0.3.2
[INFO] [stderr]   Downloaded embedded-svc v0.24.0
[INFO] [stderr]   Downloaded esp-idf-svc v0.45.0
[INFO] [stderr]   Downloaded esp-idf-hal v0.40.1
[INFO] [stderr]   Downloaded const_format v0.2.30
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded defmt-macros v0.3.4
[INFO] [stderr]   Downloaded enumset v1.0.12
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded embedded-io v0.3.1
[INFO] [stderr]   Downloaded fs_at v0.1.5
[INFO] [stderr]   Downloaded strum_macros v0.23.1
[INFO] [stderr]   Downloaded enumset_derive v0.6.1
[INFO] [stderr]   Downloaded edge-executor v0.3.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.9
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]   Downloaded camino v1.1.4
[INFO] [stderr]   Downloaded const_format_proc_macros v0.2.29
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded normpath v1.1.1
[INFO] [stderr]   Downloaded remove_dir_all v0.8.2
[INFO] [stderr]   Downloaded embuild v0.31.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c97504f090ff5ff604eca276f18a50faad6ec0842233d16b8d9e4762e9a48b18
[INFO] running `Command { std: "docker" "start" "-a" "c97504f090ff5ff604eca276f18a50faad6ec0842233d16b8d9e4762e9a48b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c97504f090ff5ff604eca276f18a50faad6ec0842233d16b8d9e4762e9a48b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97504f090ff5ff604eca276f18a50faad6ec0842233d16b8d9e4762e9a48b18", kill_on_drop: false }`
[INFO] [stdout] c97504f090ff5ff604eca276f18a50faad6ec0842233d16b8d9e4762e9a48b18
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d66e5e0cb92950be9e2033cb616518ec11cf992037ff68373e2a33b48f04329
[INFO] running `Command { std: "docker" "start" "-a" "0d66e5e0cb92950be9e2033cb616518ec11cf992037ff68373e2a33b48f04329", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bstr v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling cvt v0.1.2
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling normpath v1.1.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0d66e5e0cb92950be9e2033cb616518ec11cf992037ff68373e2a33b48f04329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d66e5e0cb92950be9e2033cb616518ec11cf992037ff68373e2a33b48f04329", kill_on_drop: false }`
[INFO] [stdout] 0d66e5e0cb92950be9e2033cb616518ec11cf992037ff68373e2a33b48f04329
