[INFO] fetching crate rescrobbled 0.6.0...
[INFO] checking rescrobbled-0.6.0 against master#7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e for pr-102091
[INFO] extracting crate rescrobbled 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rescrobbled 0.6.0 on toolchain 7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rescrobbled 0.6.0
[INFO] finished tweaking crates.io crate rescrobbled 0.6.0
[INFO] tweaked toml for crates.io crate rescrobbled 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rescrobbled 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wildmatch v2.1.1
[INFO] [stderr]   Downloaded enum-kinds v0.4.1
[INFO] [stderr]   Downloaded derive_is_enum_variant v0.1.1
[INFO] [stderr]   Downloaded dbus v0.8.4
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded darling v0.5.0
[INFO] [stderr]   Downloaded wildmatch v1.1.0
[INFO] [stderr]   Downloaded attohttpc v0.17.0
[INFO] [stderr]   Downloaded zvariant_derive v3.4.1
[INFO] [stderr]   Downloaded zbus_names v2.1.0
[INFO] [stderr]   Downloaded easy-parallel v3.2.0
[INFO] [stderr]   Downloaded winrt-notification v0.5.1
[INFO] [stderr]   Downloaded async-broadcast v0.4.0
[INFO] [stderr]   Downloaded zvariant v3.4.1
[INFO] [stderr]   Downloaded notify-rust v4.5.8
[INFO] [stderr]   Downloaded darling_macro v0.5.0
[INFO] [stderr]   Downloaded listenbrainz v0.4.2
[INFO] [stderr]   Downloaded mac-notification-sys v0.5.5
[INFO] [stderr]   Downloaded darling_core v0.5.0
[INFO] [stderr]   Downloaded rustfm-scrobble-proxy v1.1.2
[INFO] [stderr]   Downloaded from_variants v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded wrapped-vec v0.3.0
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded mpris v2.0.0-rc2
[INFO] [stderr]   Downloaded from_variants_impl v0.4.0
[INFO] [stderr]   Downloaded attohttpc v0.19.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.24.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.24.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.24.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.24.0
[INFO] [stderr]   Downloaded windows v0.24.0
[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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 017359c872d744ea202da9ceb0b0d2247a53e7a4f45f7a7b7c05208362e01c34
[INFO] running `Command { std: "docker" "start" "-a" "017359c872d744ea202da9ceb0b0d2247a53e7a4f45f7a7b7c05208362e01c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "017359c872d744ea202da9ceb0b0d2247a53e7a4f45f7a7b7c05208362e01c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017359c872d744ea202da9ceb0b0d2247a53e7a4f45f7a7b7c05208362e01c34", kill_on_drop: false }`
[INFO] [stdout] 017359c872d744ea202da9ceb0b0d2247a53e7a4f45f7a7b7c05208362e01c34
[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" "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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60efadd797a34a230a4cce3a3cbc8711c88c826ef82e2bd2ac09bc14cc966c6a
[INFO] running `Command { std: "docker" "start" "-a" "60efadd797a34a230a4cce3a3cbc8711c88c826ef82e2bd2ac09bc14cc966c6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling darling_core v0.5.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking easy-parallel v3.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking async-io v1.7.0
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking async-broadcast v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking ordered-stream v0.0.1
[INFO] [stderr]     Checking wildmatch v2.1.1
[INFO] [stderr]     Checking wildmatch v1.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dbus v0.8.4
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.98/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=7630427c4a0f3038 -C extra-filename=-7630427c4a0f3038 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5eb32b6c8ff372e5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d763dfdef863cc4b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-2cbb51649654f2cb.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "60efadd797a34a230a4cce3a3cbc8711c88c826ef82e2bd2ac09bc14cc966c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60efadd797a34a230a4cce3a3cbc8711c88c826ef82e2bd2ac09bc14cc966c6a", kill_on_drop: false }`
[INFO] [stdout] 60efadd797a34a230a4cce3a3cbc8711c88c826ef82e2bd2ac09bc14cc966c6a