[INFO] crate prometheus_dhcp_exporter 0.1.0 is already in cache
[INFO] checking prometheus_dhcp_exporter-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate prometheus_dhcp_exporter 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate prometheus_dhcp_exporter 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate prometheus_dhcp_exporter 0.1.0
[INFO] finished tweaking crates.io crate prometheus_dhcp_exporter 0.1.0
[INFO] tweaked toml for crates.io crate prometheus_dhcp_exporter 0.1.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 160af241ccfaaf77e52275942b0d0f0b2781068de2458a8181a861514e072547
[INFO] running `"docker" "start" "-a" "160af241ccfaaf77e52275942b0d0f0b2781068de2458a8181a861514e072547"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr] error[E0606]: casting `f64` as `isize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dtoa-0.4.5/src/diyfp.rs:242:17
[INFO] [stderr]     |
[INFO] [stderr] 242 |       let mut k = dk as isize;
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dtoa-0.4.5/src/lib.rs:61:9
[INFO] [stderr]     |
[INFO] [stderr] 61  | /         dtoa! {
[INFO] [stderr] 62  | |             floating_type: f32,
[INFO] [stderr] 63  | |             significand_type: u32,
[INFO] [stderr] 64  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 75  | |             min_power: (-36),
[INFO] [stderr] 76  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `isize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dtoa-0.4.5/src/diyfp.rs:242:17
[INFO] [stderr]     |
[INFO] [stderr] 242 |       let mut k = dk as isize;
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dtoa-0.4.5/src/lib.rs:83:9
[INFO] [stderr]     |
[INFO] [stderr] 83  | /         dtoa! {
[INFO] [stderr] 84  | |             floating_type: f64,
[INFO] [stderr] 85  | |             significand_type: u64,
[INFO] [stderr] 86  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 97  | |             min_power: (-348),
[INFO] [stderr] 98  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `dtoa`.
[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" "160af241ccfaaf77e52275942b0d0f0b2781068de2458a8181a861514e072547"`
[INFO] running `"docker" "rm" "-f" "160af241ccfaaf77e52275942b0d0f0b2781068de2458a8181a861514e072547"`
[INFO] [stdout] 160af241ccfaaf77e52275942b0d0f0b2781068de2458a8181a861514e072547