[INFO] fetching crate serval 0.1.0...
[INFO] checking serval-0.1.0 against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] extracting crate serval 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serval 0.1.0 on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serval 0.1.0
[INFO] finished tweaking crates.io crate serval 0.1.0
[INFO] tweaked toml for crates.io crate serval 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "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" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loggerv v0.7.2
[INFO] [stderr]   Downloaded logger v0.4.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d09db2bfde30efaaedda712d2460159bbd6c3aaea18e15cb87c4ad7fdb76f2b
[INFO] running `Command { std: "docker" "start" "-a" "2d09db2bfde30efaaedda712d2460159bbd6c3aaea18e15cb87c4ad7fdb76f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d09db2bfde30efaaedda712d2460159bbd6c3aaea18e15cb87c4ad7fdb76f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d09db2bfde30efaaedda712d2460159bbd6c3aaea18e15cb87c4ad7fdb76f2b", kill_on_drop: false }`
[INFO] [stdout] 2d09db2bfde30efaaedda712d2460159bbd6c3aaea18e15cb87c4ad7fdb76f2b
[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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3acbb0fa72b60c403f1eb6a505c2b0a81e7cbca9303889b74576a8a028d93d9b
[INFO] running `Command { std: "docker" "start" "-a" "3acbb0fa72b60c403f1eb6a505c2b0a81e7cbca9303889b74576a8a028d93d9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking logger v0.4.0
[INFO] [stderr]     Checking loggerv v0.7.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking serval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/prelude.rs:34:61
[INFO] [stdout]     |
[INFO] [stdout] 34  |           assert_eq!($parser.parse($input), Ok(($output, "")));
[INFO] [stdout]     |                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/css/parser.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 | /         assert_parse!(
[INFO] [stdout] 352 | |             parser::simple_selector(),
[INFO] [stdout] 353 | |             "*#foo",
[INFO] [stdout] 354 | |             SimpleSelector {
[INFO] [stdout] ...   |
[INFO] [stdout] 357 | |             }
[INFO] [stdout] 358 | |         )
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `assert_parse`
[INFO] [stdout]     = note: this warning originates in the macro `assert_parse` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.54s
[INFO] running `Command { std: "docker" "inspect" "3acbb0fa72b60c403f1eb6a505c2b0a81e7cbca9303889b74576a8a028d93d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3acbb0fa72b60c403f1eb6a505c2b0a81e7cbca9303889b74576a8a028d93d9b", kill_on_drop: false }`
[INFO] [stdout] 3acbb0fa72b60c403f1eb6a505c2b0a81e7cbca9303889b74576a8a028d93d9b