[INFO] cloning repository https://github.com/huwenchao/bitcoin-spv-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huwenchao/bitcoin-spv-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwenchao%2Fbitcoin-spv-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwenchao%2Fbitcoin-spv-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 722344068b9417f81dfd182fb7bab291debacd53
[INFO] checking huwenchao/bitcoin-spv-lib against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwenchao%2Fbitcoin-spv-lib" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huwenchao/bitcoin-spv-lib on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huwenchao/bitcoin-spv-lib
[INFO] finished tweaking git repo https://github.com/huwenchao/bitcoin-spv-lib
[INFO] tweaked toml for git repo https://github.com/huwenchao/bitcoin-spv-lib written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/huwenchao/bitcoin-spv-lib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac6107e3c76db50918ef8f185658856f6f0258eca2fffe50d1687a1883806e45
[INFO] running `Command { std: "docker" "start" "-a" "ac6107e3c76db50918ef8f185658856f6f0258eca2fffe50d1687a1883806e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6107e3c76db50918ef8f185658856f6f0258eca2fffe50d1687a1883806e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6107e3c76db50918ef8f185658856f6f0258eca2fffe50d1687a1883806e45", kill_on_drop: false }`
[INFO] [stdout] ac6107e3c76db50918ef8f185658856f6f0258eca2fffe50d1687a1883806e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c8502b06271e7437dd9b1dc7132b28b377547a2072ea58e1e7022608545a32
[INFO] running `Command { std: "docker" "start" "-a" "89c8502b06271e7437dd9b1dc7132b28b377547a2072ea58e1e7022608545a32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking linked-hash-map v0.5.1 (https://github.com/nervosnetwork/linked-hash-map?rev=df27f21#df27f219)
[INFO] [stderr]     Checking eaglesong v0.1.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling tentacle-secio v0.4.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ckb-build-info v0.34.1 (https://github.com/nervosnetwork/ckb?tag=v0.34.1#323e44c9)
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling ckb-script v0.34.1 (https://github.com/nervosnetwork/ckb?tag=v0.34.1#323e44c9)
[INFO] [stderr]     Checking ckb-vm-definitions v0.19.1
[INFO] [stderr]     Checking ckb-always-success-script v0.0.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking merkle-cbt v0.2.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking lru-cache v0.1.0 (https://github.com/nervosnetwork/lru-cache?rev=a35fdb8#a35fdb81)
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/attr.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     named!(pub outer_attr -> Attribute, alt!(
[INFO] [stdout] 160 | |         do_parse!(
[INFO] [stdout] 161 | |             punct!("#") >>
[INFO] [stdout] 162 | |             punct!("[") >>
[INFO] [stdout] ...   |
[INFO] [stdout] 198 | |         )
[INFO] [stdout] 199 | |     ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/constant.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     named!(pub const_expr -> ConstExpr, do_parse!(
[INFO] [stdout] 56 | |         mut e: alt!(
[INFO] [stdout] 57 | |             expr_unary
[INFO] [stdout] 58 | |             |
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |         (e)
[INFO] [stdout] 89 | |     ));
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/constant.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     named!(pub const_expr -> ConstExpr, do_parse!(
[INFO] [stdout] 56 | |         mut e: alt!(
[INFO] [stdout] 57 | |             expr_unary
[INFO] [stdout] 58 | |             |
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |         (e)
[INFO] [stdout] 89 | |     ));
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/constant.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     named!(pub const_expr -> ConstExpr, do_parse!(
[INFO] [stdout] 56 | |         mut e: alt!(
[INFO] [stdout] 57 | |             expr_unary
[INFO] [stdout] 58 | |             |
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |         (e)
[INFO] [stdout] 89 | |     ));
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/constant.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     named!(pub const_expr -> ConstExpr, do_parse!(
[INFO] [stdout] 56 | |         mut e: alt!(
[INFO] [stdout] 57 | |             expr_unary
[INFO] [stdout] 58 | |             |
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |         (e)
[INFO] [stdout] 89 | |     ));
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/mac.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 | /     named!(doc_comment -> String, alt!(
[INFO] [stdout] 271 | |         do_parse!(
[INFO] [stdout] 272 | |             punct!("//!") >>
[INFO] [stdout] 273 | |             content: take_until!("\n") >>
[INFO] [stdout] ...   |
[INFO] [stdout] 296 | |         )
[INFO] [stdout] 297 | |     ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/mac.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 | /     named!(doc_comment -> String, alt!(
[INFO] [stdout] 271 | |         do_parse!(
[INFO] [stdout] 272 | |             punct!("//!") >>
[INFO] [stdout] 273 | |             content: take_until!("\n") >>
[INFO] [stdout] ...   |
[INFO] [stdout] 296 | |         )
[INFO] [stdout] 297 | |     ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/ty.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 318 | /     named!(ty_rptr -> Ty, do_parse!(
[INFO] [stdout] 319 | |         punct!("&") >>
[INFO] [stdout] 320 | |         life: option!(lifetime) >>
[INFO] [stdout] 321 | |         mutability: mutability >>
[INFO] [stdout] ...   |
[INFO] [stdout] 326 | |         })))
[INFO] [stdout] 327 | |     ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/ty.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 329 | /     named!(ty_bare_fn -> Ty, do_parse!(
[INFO] [stdout] 330 | |         lifetimes: opt_vec!(do_parse!(
[INFO] [stdout] 331 | |             keyword!("for") >>
[INFO] [stdout] 332 | |             punct!("<") >>
[INFO] [stdout] ...   |
[INFO] [stdout] 359 | |         })))
[INFO] [stdout] 360 | |     ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/ty.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 371 | /     named!(ty_path -> Ty, do_parse!(
[INFO] [stdout] 372 | |         qpath: qpath >>
[INFO] [stdout] 373 | |         parenthesized: cond!(
[INFO] [stdout] 374 | |             qpath.1.segments.last().unwrap().parameters == PathParameters::none(),
[INFO] [stdout] ...   |
[INFO] [stdout] 396 | |         })
[INFO] [stdout] 397 | |     ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/ty.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 | /     named!(path_segment -> PathSegment, alt!(
[INFO] [stdout] 482 | |         do_parse!(
[INFO] [stdout] 483 | |             id: option!(ident) >>
[INFO] [stdout] 484 | |             punct!("<") >>
[INFO] [stdout] ...   |
[INFO] [stdout] 519 | |         ), Into::into)
[INFO] [stdout] 520 | |     ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/ty.rs:571:5
[INFO] [stdout]     |
[INFO] [stdout] 571 | /     named!(pub abi -> Abi, do_parse!(
[INFO] [stdout] 572 | |         keyword!("extern") >>
[INFO] [stdout] 573 | |         name: option!(quoted_string) >>
[INFO] [stdout] 574 | |         (match name {
[INFO] [stdout] ...   |
[INFO] [stdout] 577 | |         })
[INFO] [stdout] 578 | |     ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sentry v0.16.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[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" "89c8502b06271e7437dd9b1dc7132b28b377547a2072ea58e1e7022608545a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c8502b06271e7437dd9b1dc7132b28b377547a2072ea58e1e7022608545a32", kill_on_drop: false }`
[INFO] [stdout] 89c8502b06271e7437dd9b1dc7132b28b377547a2072ea58e1e7022608545a32