[INFO] crate fastcdc 1.0.3 is already in cache
[INFO] checking fastcdc-1.0.3 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate fastcdc 1.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fastcdc 1.0.3 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fastcdc 1.0.3
[INFO] finished tweaking crates.io crate fastcdc 1.0.3
[INFO] tweaked toml for crates.io crate fastcdc 1.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fastcdc 1.0.3 already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] db82d08ec738227767e2d504af3483c36bb00794d9cba9156f4a7f7b46963ef3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "db82d08ec738227767e2d504af3483c36bb00794d9cba9156f4a7f7b46963ef3"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking fastcdc v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/lib.rs:160:23
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let retval: u32 = fvalue.log2().round() as u32;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `fastcdc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "db82d08ec738227767e2d504af3483c36bb00794d9cba9156f4a7f7b46963ef3"`
[INFO] running `"docker" "rm" "-f" "db82d08ec738227767e2d504af3483c36bb00794d9cba9156f4a7f7b46963ef3"`
[INFO] [stdout] db82d08ec738227767e2d504af3483c36bb00794d9cba9156f4a7f7b46963ef3