[INFO] fetching crate music-player-server 0.2.1...
[INFO] checking music-player-server-0.2.1 against try#f82303294ca6add47eea966608ce02688928f965 for pr-107123-1
[INFO] extracting crate music-player-server 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate music-player-server 0.2.1 on toolchain f82303294ca6add47eea966608ce02688928f965
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f82303294ca6add47eea966608ce02688928f965" "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-tc2/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" "+f82303294ca6add47eea966608ce02688928f965" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+f82303294ca6add47eea966608ce02688928f965" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec93f39711c529ea7f1f7d3f92319b911dcfa697fdda98b96052b1781728a9b1
[INFO] running `Command { std: "docker" "start" "-a" "ec93f39711c529ea7f1f7d3f92319b911dcfa697fdda98b96052b1781728a9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec93f39711c529ea7f1f7d3f92319b911dcfa697fdda98b96052b1781728a9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec93f39711c529ea7f1f7d3f92319b911dcfa697fdda98b96052b1781728a9b1", kill_on_drop: false }`
[INFO] [stdout] ec93f39711c529ea7f1f7d3f92319b911dcfa697fdda98b96052b1781728a9b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+f82303294ca6add47eea966608ce02688928f965" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 462e99a5cc2b116fc185f579cbb97faad519aa87bd5e5d38c827e135617769e0
[INFO] running `Command { std: "docker" "start" "-a" "462e99a5cc2b116fc185f579cbb97faad519aa87bd5e5d38c827e135617769e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking async-lock v2.6.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling time-macros v0.2.7
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking blocking v1.3.0
[INFO] [stderr]     Checking async-executor v1.5.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]    Compiling rust_decimal v1.28.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking bytemuck v1.13.0
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.24.2
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking spin v0.9.5
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.28
[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]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling futures-intrusive v0.4.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling time v0.3.19
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling atoi v1.0.0
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]    Compiling hashlink v0.8.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[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/f82303294ca6add47eea966608ce02688928f965/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" "462e99a5cc2b116fc185f579cbb97faad519aa87bd5e5d38c827e135617769e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462e99a5cc2b116fc185f579cbb97faad519aa87bd5e5d38c827e135617769e0", kill_on_drop: false }`
[INFO] [stdout] 462e99a5cc2b116fc185f579cbb97faad519aa87bd5e5d38c827e135617769e0