[INFO] crate constellation-rs 0.1.5 is already in cache
[INFO] checking constellation-rs-0.1.5 against try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564
[INFO] extracting crate constellation-rs 0.1.5 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate constellation-rs 0.1.5 on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate constellation-rs 0.1.5
[INFO] removed 28 missing tests
[INFO] finished tweaking crates.io crate constellation-rs 0.1.5
[INFO] tweaked toml for crates.io crate constellation-rs 0.1.5 written to work/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate constellation-rs 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ed25fa0409690fddfdbcf1387740992027dedd3a420ee62ae475f0831c62f63
[INFO] running `"docker" "start" "-a" "7ed25fa0409690fddfdbcf1387740992027dedd3a420ee62ae475f0831c62f63"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]     Checking replace_with v0.1.4
[INFO] [stderr]    Compiling constellation-rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking once_cell v1.0.2
[INFO] [stderr]     Checking metatype v0.1.2
[INFO] [stderr]     Checking multiset v0.0.5
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking bincode v1.1.4
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]     Checking serde_pipe v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.1
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[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking backtrace v0.3.36
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking systemstat v0.1.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking palaver v0.2.8
[INFO] [stderr]     Checking socketstat v0.1.0
[INFO] [stderr]     Checking build_id v0.1.5
[INFO] [stderr]     Checking constellation-internal v0.1.5
[INFO] [stderr]     Checking tcp_typed v0.1.4
[INFO] [stderr]     Checking relative v0.1.5
[INFO] [stderr]     Checking notifier v0.1.3
[INFO] [stderr]     Checking serde_closure v0.1.5
[INFO] [stderr]     Checking serde_traitobject v0.1.6
[INFO] [stderr] error[E0520]: `serialize_sized` specializes an item from a parent `impl`, but that item is not marked `default`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_traitobject-0.1.6/src/lib.rs:266:3
[INFO] [stderr]     |
[INFO] [stderr] 263 |       impl<T: serde::ser::Serialize + ?Sized> Sealed for T {}
[INFO] [stderr]     |       ------------------------------------------------------- parent `impl` is here
[INFO] [stderr] ...
[INFO] [stderr] 266 |           fn serialize_sized<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stderr]     |  _________^
[INFO] [stderr] 267 | |         where
[INFO] [stderr] 268 | |             S: serde::Serializer,
[INFO] [stderr] 269 | |             Self: Sized,
[INFO] [stderr] 270 | |         {
[INFO] [stderr] 271 | |             serde::ser::Serialize::serialize(self, serializer)
[INFO] [stderr] 272 | |         }
[INFO] [stderr]     | |_________^ cannot specialize default item `serialize_sized`
[INFO] [stderr]     |
[INFO] [stderr]     = note: to specialize, `serialize_sized` in the parent `impl` must be marked `default`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0520`.
[INFO] [stderr] error: could not compile `serde_traitobject`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7ed25fa0409690fddfdbcf1387740992027dedd3a420ee62ae475f0831c62f63"`
[INFO] running `"docker" "rm" "-f" "7ed25fa0409690fddfdbcf1387740992027dedd3a420ee62ae475f0831c62f63"`
[INFO] [stdout] 7ed25fa0409690fddfdbcf1387740992027dedd3a420ee62ae475f0831c62f63