[INFO] fetching crate sen6x-driver 0.1.0...
[INFO] testing sen6x-driver-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate sen6x-driver 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate sen6x-driver 0.1.0
[INFO] finished tweaking crates.io crate sen6x-driver 0.1.0
[INFO] tweaked toml for crates.io crate sen6x-driver 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sen6x-driver 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sen6x-driver 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcd v2.3.0
[INFO] [stderr]   Downloaded thiserror-no-std v2.0.2
[INFO] [stderr]   Downloaded sensirion-i2c v0.4.0
[INFO] [stderr]   Downloaded thiserror-impl-no-std v2.0.2
[INFO] [stderr]   Downloaded units-nostd v0.2.0
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded sen6x-macros v0.1.0
[INFO] [stderr]   Downloaded fixed_str v0.9.1
[INFO] [stderr]   Downloaded embassy-time-driver v0.2.2
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded embedded-io v0.7.1
[INFO] [stderr]   Downloaded embedded-io-async v0.7.0
[INFO] [stderr]   Downloaded embassy-time v0.5.1
[INFO] [stderr]   Downloaded bitrs v0.10.0
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded embedded-hal-async v1.0.0
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded critical-section v1.2.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded stringcase v0.4.0
[INFO] [stderr]   Downloaded embedded-hal-mock v0.11.1
[INFO] [stderr]   Downloaded embassy-sync v0.8.0
[INFO] [stderr]   Downloaded heapless v0.9.1
[INFO] [stderr]   Downloaded bitrs-macro v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ae041644ef397a59393d91603751f34312c190b86d00c61fada2907a35698642
[INFO] running `Command { std: "docker" "start" "ae041644ef397a59393d91603751f34312c190b86d00c61fada2907a35698642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae041644ef397a59393d91603751f34312c190b86d00c61fada2907a35698642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ae041644ef397a59393d91603751f34312c190b86d00c61fada2907a35698642" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae041644ef397a59393d91603751f34312c190b86d00c61fada2907a35698642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ae041644ef397a59393d91603751f34312c190b86d00c61fada2907a35698642" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling stringcase v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling sen6x-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling sensirion-i2c v0.4.0
[INFO] [stderr]    Compiling fixed_str v0.9.1
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling units-nostd v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/units-nostd-0.2.0/src/lib.rs:505:1
[INFO] [stdout]     |
[INFO] [stdout] 505 | #![feature(generic_const_exprs)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `units-nostd` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ae041644ef397a59393d91603751f34312c190b86d00c61fada2907a35698642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae041644ef397a59393d91603751f34312c190b86d00c61fada2907a35698642", kill_on_drop: false }`
[INFO] [stdout] ae041644ef397a59393d91603751f34312c190b86d00c61fada2907a35698642
