[INFO] cloning repository https://github.com/abadi199/pustaka-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abadi199/pustaka-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabadi199%2Fpustaka-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabadi199%2Fpustaka-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 66db292eebd8c307486f4317db67e1821798b736 [INFO] checking abadi199/pustaka-rs against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabadi199%2Fpustaka-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abadi199/pustaka-rs 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] removed /workspace/builds/worker-7/source/.cargo/config [INFO] started tweaking git repo https://github.com/abadi199/pustaka-rs [INFO] finished tweaking git repo https://github.com/abadi199/pustaka-rs [INFO] tweaked toml for git repo https://github.com/abadi199/pustaka-rs written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/abadi199/pustaka-rs 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded v_escape v0.3.2 [INFO] [stderr] Downloaded uuid v0.7.2 [INFO] [stderr] Downloaded tokio-signal v0.2.8 [INFO] [stderr] Downloaded enum_primitive v0.1.1 [INFO] [stderr] Downloaded num-bigint v0.1.44 [INFO] [stderr] Downloaded antidote v1.0.0 [INFO] [stderr] Downloaded scheduled-thread-pool v0.2.0 [INFO] [stderr] Downloaded num-derive v0.2.4 [INFO] [stderr] Downloaded diesel_derives v1.4.0 [INFO] [stderr] Downloaded either v1.5.1 [INFO] [stderr] Downloaded safe-transmute v0.10.1 [INFO] [stderr] Downloaded png v0.14.0 [INFO] [stderr] Downloaded image v0.21.0 [INFO] [stderr] Downloaded diesel-derive-enum v0.4.4 [INFO] [stderr] Downloaded custom_error v1.6.0 [INFO] [stderr] Downloaded nom v4.2.2 [INFO] [stderr] Downloaded dotenv v0.13.0 [INFO] [stderr] Downloaded zip v0.4.2 [INFO] [stderr] Downloaded gif v0.10.1 [INFO] [stderr] Downloaded libc v0.1.12 [INFO] [stderr] Downloaded regex-syntax v0.6.5 [INFO] [stderr] Downloaded r2d2 v0.8.3 [INFO] [stderr] Downloaded r2d2-diesel v1.0.0 [INFO] [stderr] Downloaded bitflags v0.6.0 [INFO] [stderr] Downloaded num-complex v0.1.43 [INFO] [stderr] Downloaded bzip2-sys v0.1.7 [INFO] [stderr] Downloaded num-rational v0.1.42 [INFO] [stderr] Downloaded cc v1.0.31 [INFO] [stderr] Downloaded libflate v0.1.21 [INFO] [stderr] Downloaded redox_syscall v0.1.51 [INFO] [stderr] Downloaded v_htmlescape v0.3.2 [INFO] [stderr] Downloaded serde_derive v1.0.89 [INFO] [stderr] Downloaded zip v0.5.1 [INFO] [stderr] Downloaded v_escape_derive v0.2.1 [INFO] [stderr] Downloaded diesel v1.4.2 [INFO] [stderr] Downloaded regex v1.1.2 [INFO] [stderr] Downloaded actix-web v0.7.18 [INFO] [stderr] Downloaded libsqlite3-sys v0.12.0 [INFO] [stderr] Downloaded libc v0.2.50 [INFO] [stderr] Downloaded deflate v0.7.19 [INFO] [stderr] Downloaded arc-swap v0.3.7 [INFO] [stderr] Downloaded epub v1.2.0 [INFO] [stderr] Downloaded unrar v0.4.3 [INFO] [stderr] Downloaded unrar_sys v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5e62a38d31733209e65934a2a9d21eccdba66f53947fea1265a34a90f562217 [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" "e5e62a38d31733209e65934a2a9d21eccdba66f53947fea1265a34a90f562217", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5e62a38d31733209e65934a2a9d21eccdba66f53947fea1265a34a90f562217", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5e62a38d31733209e65934a2a9d21eccdba66f53947fea1265a34a90f562217", kill_on_drop: false }` [INFO] [stdout] e5e62a38d31733209e65934a2a9d21eccdba66f53947fea1265a34a90f562217 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d21731a18e97d5819e9163383cb00195c3002ed8ec96688281765a247433eba [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" "5d21731a18e97d5819e9163383cb00195c3002ed8ec96688281765a247433eba", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.31 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking string v0.1.3 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking safe-transmute v0.10.1 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking xml-rs v0.8.0 [INFO] [stderr] Checking bitflags v0.6.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking custom_error v1.6.0 [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking tower-service v0.1.0 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking miniz_oxide v0.2.1 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling libsqlite3-sys v0.12.0 [INFO] [stderr] Compiling unrar_sys v0.2.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking scheduled-thread-pool v0.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.3.0 [INFO] [stderr] Compiling v_escape v0.3.2 [INFO] [stderr] Compiling v_htmlescape v0.3.2 [INFO] [stderr] Compiling actix-web v0.7.18 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Checking serde v1.0.89 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking signal-hook v0.1.8 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking base64 v0.9.3 [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] [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/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] [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] Checking base64 v0.10.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking r2d2 v0.8.3 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking futures-cpupool v0.1.8 [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" "5d21731a18e97d5819e9163383cb00195c3002ed8ec96688281765a247433eba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d21731a18e97d5819e9163383cb00195c3002ed8ec96688281765a247433eba", kill_on_drop: false }` [INFO] [stdout] 5d21731a18e97d5819e9163383cb00195c3002ed8ec96688281765a247433eba