[INFO] cloning repository https://github.com/palfrey/gasconade
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/palfrey/gasconade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fgasconade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fgasconade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e67c0099d0b31be765ad5fc3d33db8db58e0621
[INFO] checking palfrey/gasconade against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalfrey%2Fgasconade" "/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/palfrey/gasconade 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/palfrey/gasconade
[INFO] finished tweaking git repo https://github.com/palfrey/gasconade
[INFO] tweaked toml for git repo https://github.com/palfrey/gasconade written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/palfrey/gasconade 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logger v0.4.0
[INFO] [stderr]   Downloaded tokio-rustls v0.9.4
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[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded schemamama_postgres v0.2.2
[INFO] [stderr]   Downloaded iron v0.6.0
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[INFO] [stderr]   Downloaded bytes v0.4.8
[INFO] [stderr]   Downloaded serde_derive v1.0.68
[INFO] [stderr]   Downloaded syn v0.14.2
[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] 90902828cf2ea726c176a3e6587d31d9294dddcf95583b6a7209c3da074e77a1
[INFO] running `Command { std: "docker" "start" "-a" "90902828cf2ea726c176a3e6587d31d9294dddcf95583b6a7209c3da074e77a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90902828cf2ea726c176a3e6587d31d9294dddcf95583b6a7209c3da074e77a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90902828cf2ea726c176a3e6587d31d9294dddcf95583b6a7209c3da074e77a1", kill_on_drop: false }`
[INFO] [stdout] 90902828cf2ea726c176a3e6587d31d9294dddcf95583b6a7209c3da074e77a1
[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] f1cf7a11cf4d08e99282b34a6d693877e2dd411bf5d3c23d267b2cd7dba7af6c
[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" "f1cf7a11cf4d08e99282b34a6d693877e2dd411bf5d3c23d267b2cd7dba7af6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking scopeguard v1.1.0
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[INFO] [stderr]     Checking unreachable v0.1.1
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[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
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[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
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[INFO] [stderr]     Checking thread_local v0.3.5
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking num_cpus v1.8.0
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[INFO] [stderr]     Checking rand v0.4.2
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[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking mime v0.3.7
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.2/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-0.14.2/src/expr.rs:1701:12
[INFO] [stdout]      |
[INFO] [stdout] 1701 |       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] 1702 | |            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]     Checking chrono v0.4.4
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking digest v0.7.4
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[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" "f1cf7a11cf4d08e99282b34a6d693877e2dd411bf5d3c23d267b2cd7dba7af6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cf7a11cf4d08e99282b34a6d693877e2dd411bf5d3c23d267b2cd7dba7af6c", kill_on_drop: false }`
[INFO] [stdout] f1cf7a11cf4d08e99282b34a6d693877e2dd411bf5d3c23d267b2cd7dba7af6c