[INFO] fetching crate ms8607 0.1.2...
[INFO] testing ms8607-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate ms8607 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ms8607 0.1.2
[INFO] finished tweaking crates.io crate ms8607 0.1.2
[INFO] tweaked toml for crates.io crate ms8607 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ms8607 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ms8607 0.1.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded rp2040-hal-macros v0.1.0
[INFO] [stderr]   Downloaded debug-helper v0.3.13
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.2
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.5.0
[INFO] [stderr]   Downloaded critical-section v1.1.1
[INFO] [stderr]   Downloaded fugit v0.3.6
[INFO] [stderr]   Downloaded paste v1.0.11
[INFO] [stderr]   Downloaded rp2040-boot2 v0.2.1
[INFO] [stderr]   Downloaded crc-any v2.4.3
[INFO] [stderr]   Downloaded rp-pico v0.6.0
[INFO] [stderr]   Downloaded rp2040-hal v0.7.0
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] [stderr]   Downloaded num_enum v0.5.9
[INFO] [stderr]   Downloaded num_enum_derive v0.5.9
[INFO] [stderr]   Downloaded pio v0.2.1
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded shared-bus v0.2.5
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded gcd v2.3.0
[INFO] [stderr]   Downloaded rp2040-pac v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4cf2c0298cb52681a74c9d1b888ce7225c048fc5d90b55a71ab60ad906bec70
[INFO] running `Command { std: "docker" "start" "-a" "e4cf2c0298cb52681a74c9d1b888ce7225c048fc5d90b55a71ab60ad906bec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4cf2c0298cb52681a74c9d1b888ce7225c048fc5d90b55a71ab60ad906bec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cf2c0298cb52681a74c9d1b888ce7225c048fc5d90b55a71ab60ad906bec70", kill_on_drop: false }`
[INFO] [stdout] e4cf2c0298cb52681a74c9d1b888ce7225c048fc5d90b55a71ab60ad906bec70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b91d0bdf28ae00dea9ab55b47a79d97bca962d816b14561f9ae9c59b26e1a47
[INFO] running `Command { std: "docker" "start" "-a" "7b91d0bdf28ae00dea9ab55b47a79d97bca962d816b14561f9ae9c59b26e1a47", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling ms8607 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "7b91d0bdf28ae00dea9ab55b47a79d97bca962d816b14561f9ae9c59b26e1a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b91d0bdf28ae00dea9ab55b47a79d97bca962d816b14561f9ae9c59b26e1a47", kill_on_drop: false }`
[INFO] [stdout] 7b91d0bdf28ae00dea9ab55b47a79d97bca962d816b14561f9ae9c59b26e1a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01b396ff9777d6b55c93175e6e4a4b6366bde9ccc3e3cc9cc18699bf616cdcdd
[INFO] running `Command { std: "docker" "start" "-a" "01b396ff9777d6b55c93175e6e4a4b6366bde9ccc3e3cc9cc18699bf616cdcdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[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 cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling debug-helper v0.3.13
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling crc-any v2.4.3
[INFO] [stderr]    Compiling rp2040-pac v0.4.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling fugit v0.3.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rp2040-boot2 v0.2.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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 cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling usb-device v0.2.9
[INFO] [stderr]    Compiling rp-pico v0.6.0
[INFO] [stderr]    Compiling shared-bus v0.2.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling panic-halt v0.2.0
[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" "01b396ff9777d6b55c93175e6e4a4b6366bde9ccc3e3cc9cc18699bf616cdcdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b396ff9777d6b55c93175e6e4a4b6366bde9ccc3e3cc9cc18699bf616cdcdd", kill_on_drop: false }`
[INFO] [stdout] 01b396ff9777d6b55c93175e6e4a4b6366bde9ccc3e3cc9cc18699bf616cdcdd