[INFO] fetching crate adhoc_derive 0.1.2...
[INFO] checking adhoc_derive-0.1.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate adhoc_derive 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate adhoc_derive 0.1.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate adhoc_derive 0.1.2
[INFO] finished tweaking crates.io crate adhoc_derive 0.1.2
[INFO] tweaked toml for crates.io crate adhoc_derive 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6844b28d2378465cc5fb191ef106a3fe57c091b48378f6e0ca1bb43f9f695b46
[INFO] running `"docker" "start" "-a" "6844b28d2378465cc5fb191ef106a3fe57c091b48378f6e0ca1bb43f9f695b46"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking adhoc_derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0606]: casting `f32` as `u32` is invalid
[INFO] [stderr]    --> tests/construct_with.rs:401:14
[INFO] [stderr]     |
[INFO] [stderr] 401 |     #[derive(FromStr)]
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `adhoc_derive`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6844b28d2378465cc5fb191ef106a3fe57c091b48378f6e0ca1bb43f9f695b46"`
[INFO] running `"docker" "rm" "-f" "6844b28d2378465cc5fb191ef106a3fe57c091b48378f6e0ca1bb43f9f695b46"`
[INFO] [stdout] 6844b28d2378465cc5fb191ef106a3fe57c091b48378f6e0ca1bb43f9f695b46