[INFO] fetching crate blflash 0.3.5...
[INFO] checking blflash-0.3.5 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate blflash 0.3.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate blflash 0.3.5 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blflash 0.3.5
[INFO] finished tweaking crates.io crate blflash 0.3.5
[INFO] tweaked toml for crates.io crate blflash 0.3.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate blflash 0.3.5 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-buffer v0.10.3
[INFO] [stderr]   Downloaded paw-attributes v1.0.2
[INFO] [stderr]   Downloaded paw v1.0.0
[INFO] [stderr]   Downloaded sha2 v0.10.6
[INFO] [stderr]   Downloaded paw-raw v1.0.0
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded zero v0.1.3
[INFO] [stderr]   Downloaded is-terminal v0.4.2
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded io-lifetimes v1.0.4
[INFO] [stderr]   Downloaded parse_int v0.6.0
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded serial-core v0.4.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] [stderr]   Downloaded console v0.15.4
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded main_error v0.1.2
[INFO] [stderr]   Downloaded xmas-elf v0.9.0
[INFO] [stderr]   Downloaded rustix v0.36.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62ef6d2137c3e8f8e0a621ee12b829a6f33df3349b29d01a721b6ca0f005c640
[INFO] running `Command { std: "docker" "start" "-a" "62ef6d2137c3e8f8e0a621ee12b829a6f33df3349b29d01a721b6ca0f005c640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62ef6d2137c3e8f8e0a621ee12b829a6f33df3349b29d01a721b6ca0f005c640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ef6d2137c3e8f8e0a621ee12b829a6f33df3349b29d01a721b6ca0f005c640", kill_on_drop: false }`
[INFO] [stdout] 62ef6d2137c3e8f8e0a621ee12b829a6f33df3349b29d01a721b6ca0f005c640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09a1cfcd03d4fb16fa8381cdaa24999ebbbe2773f35c30cc28f37f9bbc53a7bf
[INFO] running `Command { std: "docker" "start" "-a" "09a1cfcd03d4fb16fa8381cdaa24999ebbbe2773f35c30cc28f37f9bbc53a7bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking zero v0.1.3
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking main_error v0.1.2
[INFO] [stderr]     Checking xmas-elf v0.9.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "09a1cfcd03d4fb16fa8381cdaa24999ebbbe2773f35c30cc28f37f9bbc53a7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a1cfcd03d4fb16fa8381cdaa24999ebbbe2773f35c30cc28f37f9bbc53a7bf", kill_on_drop: false }`
[INFO] [stdout] 09a1cfcd03d4fb16fa8381cdaa24999ebbbe2773f35c30cc28f37f9bbc53a7bf