[INFO] fetching crate music-player-server 0.2.1...
[INFO] checking music-player-server-0.2.1 against master#f42f19b6d3d785a74dbe57aa395b6c288437dd51 for pr-107123-1
[INFO] extracting crate music-player-server 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate music-player-server 0.2.1 on toolchain f42f19b6d3d785a74dbe57aa395b6c288437dd51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f42f19b6d3d785a74dbe57aa395b6c288437dd51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate music-player-server 0.2.1
[INFO] finished tweaking crates.io crate music-player-server 0.2.1
[INFO] tweaked toml for crates.io crate music-player-server 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate music-player-server 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f42f19b6d3d785a74dbe57aa395b6c288437dd51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+f42f19b6d3d785a74dbe57aa395b6c288437dd51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64503a6fc2dbcb34f8dec67bead9f3fecbe4da5e6f043353e9b95faab1f10da2
[INFO] running `Command { std: "docker" "start" "-a" "64503a6fc2dbcb34f8dec67bead9f3fecbe4da5e6f043353e9b95faab1f10da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64503a6fc2dbcb34f8dec67bead9f3fecbe4da5e6f043353e9b95faab1f10da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64503a6fc2dbcb34f8dec67bead9f3fecbe4da5e6f043353e9b95faab1f10da2", kill_on_drop: false }`
[INFO] [stdout] 64503a6fc2dbcb34f8dec67bead9f3fecbe4da5e6f043353e9b95faab1f10da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+f42f19b6d3d785a74dbe57aa395b6c288437dd51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab17f5a25131f690aa4123bcc0d460ef1d2668731d736cf3c870443620be878
[INFO] running `Command { std: "docker" "start" "-a" "4ab17f5a25131f690aa4123bcc0d460ef1d2668731d736cf3c870443620be878", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling crc-catalog v2.2.0
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]    Compiling futures-intrusive v0.4.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling time v0.3.19
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling atoi v1.0.0
[INFO] [stderr]    Compiling hashlink v0.8.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/f42f19b6d3d785a74dbe57aa395b6c288437dd51/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.107/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --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=17d411dd81c6b5d1 -C extra-filename=-17d411dd81c6b5d1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f99d2ffb248a04ef.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-df1f5af89fc51121.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-2538c641dd5361ed.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" "4ab17f5a25131f690aa4123bcc0d460ef1d2668731d736cf3c870443620be878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab17f5a25131f690aa4123bcc0d460ef1d2668731d736cf3c870443620be878", kill_on_drop: false }`
[INFO] [stdout] 4ab17f5a25131f690aa4123bcc0d460ef1d2668731d736cf3c870443620be878