[INFO] cloning repository https://github.com/cih-y2k/actix-sse-stream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cih-y2k/actix-sse-stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcih-y2k%2Factix-sse-stream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcih-y2k%2Factix-sse-stream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12079b1f0bf7d5d1d96f8768c5afc2b01e6e39c0
[INFO] checking cih-y2k/actix-sse-stream against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcih-y2k%2Factix-sse-stream" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cih-y2k/actix-sse-stream on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cih-y2k/actix-sse-stream
[INFO] finished tweaking git repo https://github.com/cih-y2k/actix-sse-stream
[INFO] tweaked toml for git repo https://github.com/cih-y2k/actix-sse-stream written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/cih-y2k/actix-sse-stream already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 083a29856a8b9dc58f8f560f092f8381c6fc7eac54d0917ef17ac36b00d63795
[INFO] running `Command { std: "docker" "start" "-a" "083a29856a8b9dc58f8f560f092f8381c6fc7eac54d0917ef17ac36b00d63795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083a29856a8b9dc58f8f560f092f8381c6fc7eac54d0917ef17ac36b00d63795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083a29856a8b9dc58f8f560f092f8381c6fc7eac54d0917ef17ac36b00d63795", kill_on_drop: false }`
[INFO] [stdout] 083a29856a8b9dc58f8f560f092f8381c6fc7eac54d0917ef17ac36b00d63795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d21e0d79f3f4d5bedbf597a07fe7c06fdf5a51016b8a0ca9095f20b571aab6a9
[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" "d21e0d79f3f4d5bedbf597a07fe7c06fdf5a51016b8a0ca9095f20b571aab6a9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking futures v0.1.23
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[INFO] [stderr]    Compiling winapi-build v0.1.1
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[INFO] [stderr]     Checking encoding_index_tests v0.1.4
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[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
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[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
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[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]     Checking linked-hash-map v0.4.2
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[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
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[INFO] [stderr]     Checking smallvec v0.6.3
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[INFO] [stderr]     Checking encoding v0.2.33
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[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking http v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking mime v0.3.8
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.2.3
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.5/src/parsers.rs:68:48
[INFO] [stdout]      |
[INFO] [stdout] 68   |           fn $name(i: $crate::buffer::Cursor) -> $crate::synom::PResult<$o> {
[INFO] [stdout]      |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found `()`
[INFO] [stdout] 69   |               $submac!(i, $($args)*)
[INFO] [stdout]      |                                    - help: consider removing this semicolon
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.5/src/expr.rs:1778:12
[INFO] [stdout]      |
[INFO] [stdout] 1778 |       named!(and_call -> (token::Paren, Punctuated<Expr, Token![,]>),
[INFO] [stdout]      |       -      -------- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]      |  _____|
[INFO] [stdout]      | |
[INFO] [stdout] 1779 | |            parens!(Punctuated::parse_terminated));
[INFO] [stdout]      | |__________________________________________________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note:   expected enum `std::result::Result<((Paren, punctuated::Punctuated<expr::Expr, Comma>), buffer::Cursor<'_>), error::ParseError>`
[INFO] [stdout]              found unit type `()`
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-signal v0.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking trust-dns-proto v0.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn`
[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" "d21e0d79f3f4d5bedbf597a07fe7c06fdf5a51016b8a0ca9095f20b571aab6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21e0d79f3f4d5bedbf597a07fe7c06fdf5a51016b8a0ca9095f20b571aab6a9", kill_on_drop: false }`
[INFO] [stdout] d21e0d79f3f4d5bedbf597a07fe7c06fdf5a51016b8a0ca9095f20b571aab6a9