[INFO] crate rumi 0.2.1 is already in cache
[INFO] checking rumi-0.2.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate rumi 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rumi 0.2.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rumi 0.2.1
[INFO] finished tweaking crates.io crate rumi 0.2.1
[INFO] tweaked toml for crates.io crate rumi 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rumi 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 2fa0b247653cf73af817d9ae414f927ad91722793ea164db01ff3777427df2fd
[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" "2fa0b247653cf73af817d9ae414f927ad91722793ea164db01ff3777427df2fd"`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking basebits v1.2.0
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling fs-utils v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling lzma-sys v0.1.14
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/snafu-0.5.0/src/backtrace_shim.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let width = (frames.len() as f32).log10().floor() as usize + 1;
[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 `snafu`.
[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" "2fa0b247653cf73af817d9ae414f927ad91722793ea164db01ff3777427df2fd"`
[INFO] running `"docker" "rm" "-f" "2fa0b247653cf73af817d9ae414f927ad91722793ea164db01ff3777427df2fd"`
[INFO] [stdout] 2fa0b247653cf73af817d9ae414f927ad91722793ea164db01ff3777427df2fd