[INFO] cloning repository https://github.com/mandubimil/mstock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mandubimil/mstock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmandubimil%2Fmstock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmandubimil%2Fmstock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 334bba1d7c5afe4c0b8a1da84d45202960166a9e
[INFO] testing mandubimil/mstock against 1.63.0 for beta-1.64-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmandubimil%2Fmstock" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mandubimil/mstock on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mandubimil/mstock
[INFO] finished tweaking git repo https://github.com/mandubimil/mstock
[INFO] tweaked toml for git repo https://github.com/mandubimil/mstock written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mandubimil/mstock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded syn v1.0.15
[INFO] [stderr]   Downloaded hermit-abi v0.1.7
[INFO] [stderr]   Downloaded paste-impl v0.1.6
[INFO] [stderr]   Downloaded instant v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.8
[INFO] [stderr]   Downloaded untrusted v0.7.0
[INFO] [stderr]   Downloaded actix_derive v0.5.0
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded tera v1.5.0
[INFO] [stderr]   Downloaded actix-files v0.2.1
[INFO] [stderr]   Downloaded parse-zoneinfo v0.2.1
[INFO] [stderr]   Downloaded slug v0.1.4
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] [stderr]   Downloaded oracle v0.3.2
[INFO] [stderr]   Downloaded chrono-tz v0.5.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.2
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] [stderr]   Downloaded actix v0.9.0
[INFO] [stderr]   Downloaded ignore v0.4.11
[INFO] [stderr]   Downloaded humansize v1.1.0
[INFO] [stderr]   Downloaded try_from v0.2.2
[INFO] [stderr]   Downloaded backoff v0.1.6
[INFO] [stderr]   Downloaded redis-async v0.6.1
[INFO] [stderr]   Downloaded actix-redis v0.8.1
[INFO] [stderr]   Downloaded actix-session v0.3.0
[INFO] [stderr]   Downloaded paste v0.1.6
[INFO] [stderr]   Downloaded r2d2-oracle v0.3.0
[INFO] [stderr]   Downloaded hyper v0.13.4
[INFO] [stderr]   Downloaded security-framework v0.3.4
[INFO] [stderr]   Downloaded security-framework-sys v0.3.3
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded globwalk v0.8.0
[INFO] [stderr]   Downloaded pest_generator v2.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70088345a08cc0dd91995e7201e631a90eb5124e38746cf291c63c133718ae35
[INFO] running `Command { std: "docker" "start" "-a" "70088345a08cc0dd91995e7201e631a90eb5124e38746cf291c63c133718ae35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70088345a08cc0dd91995e7201e631a90eb5124e38746cf291c63c133718ae35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70088345a08cc0dd91995e7201e631a90eb5124e38746cf291c63c133718ae35", kill_on_drop: false }`
[INFO] [stdout] 70088345a08cc0dd91995e7201e631a90eb5124e38746cf291c63c133718ae35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58c97deaaf457d3d01cbf9967f14806e01e4609c2fea1441ba1249839ff2ff52
[INFO] running `Command { std: "docker" "start" "-a" "58c97deaaf457d3d01cbf9967f14806e01e4609c2fea1441ba1249839ff2ff52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling oracle v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling bstr v0.2.11
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling r2d2 v0.8.8
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling backoff v0.1.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ignore v0.4.11
[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-1.0.15/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=645849bf138907bf -C extra-filename=-645849bf138907bf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d3c5e038a4684d71.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-585724ba7ba08536.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-442969b98d7ebea8.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "58c97deaaf457d3d01cbf9967f14806e01e4609c2fea1441ba1249839ff2ff52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c97deaaf457d3d01cbf9967f14806e01e4609c2fea1441ba1249839ff2ff52", kill_on_drop: false }`
[INFO] [stdout] 58c97deaaf457d3d01cbf9967f14806e01e4609c2fea1441ba1249839ff2ff52