[INFO] cloning repository https://github.com/matze/splat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matze/splat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Fsplat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Fsplat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb3cec7abae5832ab99520b830cba9246d90f46c
[INFO] testing matze/splat against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Fsplat" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matze/splat on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matze/splat
[INFO] finished tweaking git repo https://github.com/matze/splat
[INFO] tweaked toml for git repo https://github.com/matze/splat written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matze/splat 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" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] beb86f3191045db952dba247682d6de513a9f14498a7fa8fd9e2a7fe70732b90
[INFO] running `Command { std: "docker" "start" "-a" "beb86f3191045db952dba247682d6de513a9f14498a7fa8fd9e2a7fe70732b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beb86f3191045db952dba247682d6de513a9f14498a7fa8fd9e2a7fe70732b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb86f3191045db952dba247682d6de513a9f14498a7fa8fd9e2a7fe70732b90", kill_on_drop: false }`
[INFO] [stdout] beb86f3191045db952dba247682d6de513a9f14498a7fa8fd9e2a7fe70732b90
[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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0554a5c7ff35768d48222fb37309a057493dc02fd54d746eefb29ae604fdad9
[INFO] running `Command { std: "docker" "start" "-a" "d0554a5c7ff35768d48222fb37309a057493dc02fd54d746eefb29ae604fdad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling globset v0.4.9
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling jpeg-decoder v0.2.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.2.0
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling lebe v0.5.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling tiff v0.7.2
[INFO] [stderr]    Compiling chrono-tz v0.6.1
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling png v0.17.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling bytemuck v1.10.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=5d23e528aac5b9c0 -C extra-filename=-5d23e528aac5b9c0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f55bb02e3d6bea9b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fbf8b89a9a488da2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-2cbb51649654f2cb.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d0554a5c7ff35768d48222fb37309a057493dc02fd54d746eefb29ae604fdad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0554a5c7ff35768d48222fb37309a057493dc02fd54d746eefb29ae604fdad9", kill_on_drop: false }`
[INFO] [stdout] d0554a5c7ff35768d48222fb37309a057493dc02fd54d746eefb29ae604fdad9