[INFO] crate len 0.1.1 is already in cache
[INFO] checking len-0.1.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate len 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate len 0.1.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate len 0.1.1
[INFO] finished tweaking crates.io crate len 0.1.1
[INFO] tweaked toml for crates.io crate len 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate len 0.1.1 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 788ae6a10944a4f2d23da7920f53fc993a6c6019e8219842e8cfd16b07e42912
[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" "788ae6a10944a4f2d23da7920f53fc993a6c6019e8219842e8cfd16b07e42912"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytesize-1.0.0/src/lib.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let exp = match (size.ln() / unit_base) as usize {
[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 `bytesize`.
[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" "788ae6a10944a4f2d23da7920f53fc993a6c6019e8219842e8cfd16b07e42912"`
[INFO] running `"docker" "rm" "-f" "788ae6a10944a4f2d23da7920f53fc993a6c6019e8219842e8cfd16b07e42912"`
[INFO] [stdout] 788ae6a10944a4f2d23da7920f53fc993a6c6019e8219842e8cfd16b07e42912