[INFO] cloning repository https://github.com/zhiz-m/octave_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhiz-m/octave_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhiz-m%2Foctave_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhiz-m%2Foctave_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f28c208cdff36380a7991ed4bf69a46482777b8b
[INFO] testing zhiz-m/octave_rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhiz-m%2Foctave_rust" "/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/zhiz-m/octave_rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhiz-m/octave_rust
[INFO] finished tweaking git repo https://github.com/zhiz-m/octave_rust
[INFO] tweaked toml for git repo https://github.com/zhiz-m/octave_rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/zhiz-m/octave_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/ramsayleung/rspotify`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maybe-async v0.2.6
[INFO] [stderr]   Downloaded async-tungstenite v0.13.1
[INFO] [stderr]   Downloaded serenity-voice-model v0.1.0
[INFO] [stderr]   Downloaded generator v0.6.25
[INFO] [stderr]   Downloaded tokio-socks v0.5.1
[INFO] [stderr]   Downloaded discortp v0.2.2
[INFO] [stderr]   Downloaded songbird v0.1.6
[INFO] [stderr]   Downloaded command_attr v0.3.6
[INFO] [stderr]   Downloaded streamcatcher v0.1.0
[INFO] [stderr]   Downloaded serenity v0.10.7
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8bfef74d2c643860747d93c106ac74c97726109d8e4f9b4facfbdd138a6fc62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a8bfef74d2c643860747d93c106ac74c97726109d8e4f9b4facfbdd138a6fc62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8bfef74d2c643860747d93c106ac74c97726109d8e4f9b4facfbdd138a6fc62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bfef74d2c643860747d93c106ac74c97726109d8e4f9b4facfbdd138a6fc62", kill_on_drop: false }`
[INFO] [stdout] a8bfef74d2c643860747d93c106ac74c97726109d8e4f9b4facfbdd138a6fc62
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9684cbfe694456722d938d540b5e488aa2d159d4701e06de54e92597bb0ce0fb
[INFO] running `Command { std: "docker" "start" "-a" "9684cbfe694456722d938d540b5e488aa2d159d4701e06de54e92597bb0ce0fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling pnet_base v0.26.0
[INFO] [stderr]    Compiling serenity v0.10.7
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling songbird v0.1.6
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling spin_sleep v1.0.0
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling spinning_top v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling audiopus_sys v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling poly1305 v0.6.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling nanorand v0.5.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling xsalsa20poly1305 v0.6.0
[INFO] [stderr]    Compiling audiopus v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling command_attr v0.3.6
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling maybe-async v0.2.6
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr] error: could not compile `syntex_syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syntex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.42.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=8a80835a06aa306b -C extra-filename=-8a80835a06aa306b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-3971df04b08912b7.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f2e916541e2d6658.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-cfd5ec99c06521e6.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-bdf045fabfc65aef.rmeta --extern syntex_errors=/opt/rustwide/target/debug/deps/libsyntex_errors-5fd7ad07ec33f808.rmeta --extern syntex_pos=/opt/rustwide/target/debug/deps/libsyntex_pos-1dec87e03856aa66.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-93350af72a86c276.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-fc174e2c6c4a8dc0.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9684cbfe694456722d938d540b5e488aa2d159d4701e06de54e92597bb0ce0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9684cbfe694456722d938d540b5e488aa2d159d4701e06de54e92597bb0ce0fb", kill_on_drop: false }`
[INFO] [stdout] 9684cbfe694456722d938d540b5e488aa2d159d4701e06de54e92597bb0ce0fb