[INFO] cloning repository https://github.com/r4gus/megs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r4gus/megs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr4gus%2Fmegs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr4gus%2Fmegs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a33185c3f65d448c3a930a22c52bf32a19178ff8
[INFO] building r4gus/megs against master#a29f341a8ac4e9325a5e37027b4215f50a76d06f for pr-101929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr4gus%2Fmegs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r4gus/megs on toolchain a29f341a8ac4e9325a5e37027b4215f50a76d06f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/r4gus/megs
[INFO] finished tweaking git repo https://github.com/r4gus/megs
[INFO] tweaked toml for git repo https://github.com/r4gus/megs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/r4gus/megs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-0/source/Cargo.toml: unused manifest key: toolchain
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmer-engine-universal v2.2.1
[INFO] [stderr]   Downloaded wasmer-object v2.2.1
[INFO] [stderr]   Downloaded bytecheck v0.6.7
[INFO] [stderr]   Downloaded wasmer-derive v2.2.1
[INFO] [stderr]   Downloaded wasmer-engine-dylib v2.2.1
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.2.1
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.7
[INFO] [stderr]   Downloaded wasmer-types v2.2.1
[INFO] [stderr]   Downloaded wasmer-compiler v2.2.1
[INFO] [stderr]   Downloaded wasmer-engine v2.2.1
[INFO] [stderr]   Downloaded wasmer-vm v2.2.1
[INFO] [stderr]   Downloaded wasmer v2.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61611e97d06b828b487415c328341d7f83e778443d2f2fd4d94304d21ced6957
[INFO] running `Command { std: "docker" "start" "-a" "61611e97d06b828b487415c328341d7f83e778443d2f2fd4d94304d21ced6957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61611e97d06b828b487415c328341d7f83e778443d2f2fd4d94304d21ced6957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61611e97d06b828b487415c328341d7f83e778443d2f2fd4d94304d21ced6957", kill_on_drop: false }`
[INFO] [stdout] 61611e97d06b828b487415c328341d7f83e778443d2f2fd4d94304d21ced6957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4d4250be3b964a18b6b64ca6c5da713aa640fbd73aac3d2f196dd05d8e5a05d
[INFO] running `Command { std: "docker" "start" "-a" "f4d4250be3b964a18b6b64ca6c5da713aa640fbd73aac3d2f196dd05d8e5a05d", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: toolchain
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bytecheck v0.6.7
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]    Compiling rkyv v0.7.37
[INFO] [stderr]    Compiling target-lexicon v0.12.3
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling cranelift-entity v0.76.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling region v3.0.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling wasmparser v0.78.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.76.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling hashbrown v0.12.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.76.0
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling cranelift-bforest v0.76.0
[INFO] [stderr]    Compiling memmap2 v0.5.3
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling ogg v0.7.1
[INFO] [stderr]    Compiling tracing-core v0.1.23
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling sapp-linux v0.1.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.2.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling quad-snd v0.2.3
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling wast v39.0.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling wasmer-vm v2.2.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[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-1.0.90/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --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=011d5b60a99f81e8 -C extra-filename=-011d5b60a99f81e8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-aed5c9e9ac524325.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-007be363b97cad66.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-0705d2ec01d2ab83.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" "f4d4250be3b964a18b6b64ca6c5da713aa640fbd73aac3d2f196dd05d8e5a05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d4250be3b964a18b6b64ca6c5da713aa640fbd73aac3d2f196dd05d8e5a05d", kill_on_drop: false }`
[INFO] [stdout] f4d4250be3b964a18b6b64ca6c5da713aa640fbd73aac3d2f196dd05d8e5a05d