[INFO] fetching crate arcon_codegen 0.1.4...
[INFO] checking arcon_codegen-0.1.4 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate arcon_codegen 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate arcon_codegen 0.1.4 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcon_codegen 0.1.4
[INFO] finished tweaking crates.io crate arcon_codegen 0.1.4
[INFO] tweaked toml for crates.io crate arcon_codegen 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arcon_messages v0.1.2
[INFO] [stderr]   Downloaded trybuild v1.0.38
[INFO] [stderr]   Downloaded arcon_error v0.1.1
[INFO] [stderr]   Downloaded executors v0.4.4
[INFO] [stderr]   Downloaded arcon_extra v0.1.1
[INFO] [stderr]   Downloaded synchronoise v0.4.0
[INFO] [stderr]   Downloaded llvm-sys v60.6.0
[INFO] [stderr]   Downloaded arcon_spec v0.1.3
[INFO] [stderr]   Downloaded arcon_backend v0.1.1
[INFO] [stderr]   Downloaded kompact-actor-derive v0.7.0
[INFO] [stderr]   Downloaded arcon_macros v0.1.3
[INFO] [stderr]   Downloaded keyby v0.2.0
[INFO] [stderr]   Downloaded kompact-component-derive v0.7.0
[INFO] [stderr]   Downloaded arcon v0.1.3
[INFO] [stderr]   Downloaded kompact v0.7.0
[INFO] [stderr]   Downloaded weld v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df8e25774c14ae97ff8008c20d498b22e1d50fb65e41bb3cbeccc01be17a7488
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "df8e25774c14ae97ff8008c20d498b22e1d50fb65e41bb3cbeccc01be17a7488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df8e25774c14ae97ff8008c20d498b22e1d50fb65e41bb3cbeccc01be17a7488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8e25774c14ae97ff8008c20d498b22e1d50fb65e41bb3cbeccc01be17a7488", kill_on_drop: false }`
[INFO] [stdout] df8e25774c14ae97ff8008c20d498b22e1d50fb65e41bb3cbeccc01be17a7488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25e9a08fc6c08fefbff0c5e68ed3b1ae534de164a06976ed973c622ca6206408
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25e9a08fc6c08fefbff0c5e68ed3b1ae534de164a06976ed973c622ca6206408", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]    Compiling ucd-util v0.1.8
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[INFO] [stderr]    Compiling slog v2.7.0
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[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v677.0.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
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[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking take_mut v0.2.2
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[INFO] [stderr]    Compiling anyhow v1.0.38
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[INFO] [stderr]     Checking crossbeam v0.3.2
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[INFO] [stderr]    Compiling weld v0.3.1
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.21
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking arcon_error v0.1.1
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking arcon_extra v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]    Compiling stacker v0.1.13
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v677.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking arcon_backend v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking synchronoise v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking synchronoise v1.0.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v677.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking executors v0.4.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking spaniel v0.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stdout] error[E0277]: the trait bound `read_dir::DirEntry: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-fs-0.1.7/src/read_dir.rs:239:6
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl DirEntryExt for DirEntry {
[INFO] [stdout]     |      ^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `read_dir::DirEntry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-fs`
[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 `Command { std: "docker" "inspect" "25e9a08fc6c08fefbff0c5e68ed3b1ae534de164a06976ed973c622ca6206408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e9a08fc6c08fefbff0c5e68ed3b1ae534de164a06976ed973c622ca6206408", kill_on_drop: false }`
[INFO] [stdout] 25e9a08fc6c08fefbff0c5e68ed3b1ae534de164a06976ed973c622ca6206408