[INFO] updating cached repository https://github.com/tomaka/2018-rustrush-demo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 634b750cac5d741c4a77d32ae3abdf2406542d93
[INFO] checking tomaka/2018-rustrush-demo against try#f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f for pr-69560
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomaka%2F2018-rustrush-demo" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomaka/2018-rustrush-demo on toolchain f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tomaka/2018-rustrush-demo
[INFO] finished tweaking git repo https://github.com/tomaka/2018-rustrush-demo
[INFO] tweaked toml for git repo https://github.com/tomaka/2018-rustrush-demo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/tomaka/2018-rustrush-demo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "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] 91f5de7ef537fbf91c80650ee15aa928244992f8defca1d00013d01e5f84cfbb
[INFO] running `"docker" "start" "-a" "91f5de7ef537fbf91c80650ee15aa928244992f8defca1d00013d01e5f84cfbb"`
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling protobuf v2.2.0
[INFO] [stderr]     Checking bs58 v0.2.2
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking etrace v1.1.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling secp256k1 v0.11.5
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[INFO] [stderr]     Checking dns-parser v0.8.0
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[INFO] [stderr]    Compiling libc v0.2.44
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[INFO] [stderr]    Compiling rayon-core v1.4.1
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[INFO] [stderr]     Checking tokio-codec v0.1.1
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[INFO] [stderr]     Checking multistream-select v0.1.0 (https://github.com/libp2p/rust-libp2p#581778ba)
[INFO] [stderr]     Checking tokio-udp v0.1.3
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[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]     Checking parity-multiaddr v0.1.0 (https://github.com/libp2p/rust-libp2p#581778ba)
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[INFO] [stderr]     Checking tk-listen v0.2.0
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]    Compiling libp2p-core-derive v0.1.0 (https://github.com/libp2p/rust-libp2p#581778ba)
[INFO] [stderr]     Checking ed25519-dalek v0.8.1
[INFO] [stderr]     Checking libp2p-core v0.1.0 (https://github.com/libp2p/rust-libp2p#581778ba)
[INFO] [stderr] error[E0277]: the trait bound `syn::NestedMeta: std::clone::Clone` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/rust-libp2p-98135dbcf5b63918/581778b/misc/core-derive/src/lib.rs:386:72
[INFO] [stderr]     |
[INFO] [stderr] 386 |             Some(syn::Meta::List(ref meta)) => Some(meta.nested.iter().cloned().collect()),
[INFO] [stderr]     |                                                                        ^^^^^^ the trait `std::clone::Clone` is not implemented for `syn::NestedMeta`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `collect` found for struct `std::iter::Cloned<syn::punctuated::Iter<'_, syn::NestedMeta>>` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/rust-libp2p-98135dbcf5b63918/581778b/misc/core-derive/src/lib.rs:386:81
[INFO] [stderr]     |
[INFO] [stderr] 386 |             Some(syn::Meta::List(ref meta)) => Some(meta.nested.iter().cloned().collect()),
[INFO] [stderr]     |                                                                                 ^^^^^^^ method not found in `std::iter::Cloned<syn::punctuated::Iter<'_, syn::NestedMeta>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `&mut std::iter::Cloned<syn::punctuated::Iter<'_, syn::NestedMeta>> : std::iter::Iterator`
[INFO] [stderr]             `std::iter::Cloned<syn::punctuated::Iter<'_, syn::NestedMeta>> : std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `libp2p-core-derive`.
[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" "91f5de7ef537fbf91c80650ee15aa928244992f8defca1d00013d01e5f84cfbb"`
[INFO] running `"docker" "rm" "-f" "91f5de7ef537fbf91c80650ee15aa928244992f8defca1d00013d01e5f84cfbb"`
[INFO] [stdout] 91f5de7ef537fbf91c80650ee15aa928244992f8defca1d00013d01e5f84cfbb