[INFO] fetching crate arcon_compiler 0.1.1...
[INFO] checking arcon_compiler-0.1.1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate arcon_compiler 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate arcon_compiler 0.1.1 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcon_compiler 0.1.1
[INFO] finished tweaking crates.io crate arcon_compiler 0.1.1
[INFO] tweaked toml for crates.io crate arcon_compiler 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate arcon_compiler 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded protoc-grpcio v0.3.1
[INFO] [stderr]   Downloaded diff v0.1.11
[INFO] [stderr]   Downloaded getrandom v0.1.10
[INFO] [stderr]   Downloaded derive-new v0.5.8
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded toml v0.5.3
[INFO] [stderr]   Downloaded cargo_metadata v0.8.2
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] [stderr]   Downloaded futures v0.1.28
[INFO] [stderr]   Downloaded bstr v0.2.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded chrono v0.4.7
[INFO] [stderr]   Downloaded syn v1.0.3
[INFO] [stderr]   Downloaded grpcio v0.4.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded ignore v0.4.10
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[INFO] [stderr]   Downloaded blake2b_simd v0.5.7
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[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded ena v0.13.0
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[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded ferris-says v0.1.1
[INFO] [stderr]   Downloaded cmake v0.1.41
[INFO] [stderr]   Downloaded grpcio-compiler v0.4.3
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.2.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v546.0.0
[INFO] [stderr]   Downloaded rustc-ap-arena v546.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v546.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v546.0.0
[INFO] [stderr]   Downloaded arcon_codegen v0.1.3
[INFO] [stderr]   Downloaded protobuf v2.8.0
[INFO] [stderr]   Downloaded rustc-ap-syntax v546.0.0
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[INFO] [stderr]   Downloaded protobuf-codegen v2.8.0
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[INFO] [stderr]   Downloaded rustfmt-config_proc_macro v0.1.2
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[INFO] [stderr]   Downloaded rustfmt-nightly v1.4.5
[INFO] [stderr]   Downloaded rustc-ap-syntax_pos v546.0.0
[INFO] [stderr]   Downloaded protoc v2.8.0
[INFO] [stderr]   Downloaded arcon_proto v0.1.3
[INFO] [stderr]   Downloaded arcon_spec v0.1.1
[INFO] [stderr]   Downloaded grpcio-sys v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d6b5bf97095674f797c98bd2ca59ff1819df3c53038407353bc342443a69095
[INFO] running `Command { std: "docker" "start" "-a" "0d6b5bf97095674f797c98bd2ca59ff1819df3c53038407353bc342443a69095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d6b5bf97095674f797c98bd2ca59ff1819df3c53038407353bc342443a69095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6b5bf97095674f797c98bd2ca59ff1819df3c53038407353bc342443a69095", kill_on_drop: false }`
[INFO] [stdout] 0d6b5bf97095674f797c98bd2ca59ff1819df3c53038407353bc342443a69095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cb7a12e3d9db79f3f65ae7d26117d23b350e61cad292d751457a2be079b2560
[INFO] running `Command { std: "docker" "start" "-a" "7cb7a12e3d9db79f3f65ae7d26117d23b350e61cad292d751457a2be079b2560", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-0.6.10/lib.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "union", feature(untagged_unions))]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling protobuf v2.8.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7cb7a12e3d9db79f3f65ae7d26117d23b350e61cad292d751457a2be079b2560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb7a12e3d9db79f3f65ae7d26117d23b350e61cad292d751457a2be079b2560", kill_on_drop: false }`
[INFO] [stdout] 7cb7a12e3d9db79f3f65ae7d26117d23b350e61cad292d751457a2be079b2560