[INFO] cloning repository https://github.com/cobweb-gang/cobweb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cobweb-gang/cobweb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcobweb-gang%2Fcobweb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcobweb-gang%2Fcobweb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8186112480a6c64b372c30260ed331f2da663672 [INFO] testing cobweb-gang/cobweb against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcobweb-gang%2Fcobweb" "/workspace/builds/worker-95/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cobweb-gang/cobweb on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cobweb-gang/cobweb [INFO] finished tweaking git repo https://github.com/cobweb-gang/cobweb [INFO] tweaked toml for git repo https://github.com/cobweb-gang/cobweb written to /workspace/builds/worker-95/source/Cargo.toml [INFO] crate git repo https://github.com/cobweb-gang/cobweb already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce1c119e2e1b36fac59dc2795f7a7471911b0d0d00a04263b0b21631acb145e1 [INFO] running `Command { std: "docker" "start" "-a" "ce1c119e2e1b36fac59dc2795f7a7471911b0d0d00a04263b0b21631acb145e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce1c119e2e1b36fac59dc2795f7a7471911b0d0d00a04263b0b21631acb145e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce1c119e2e1b36fac59dc2795f7a7471911b0d0d00a04263b0b21631acb145e1", kill_on_drop: false }` [INFO] [stdout] ce1c119e2e1b36fac59dc2795f7a7471911b0d0d00a04263b0b21631acb145e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c0751ed6644bcc0d42824fb91c50df67ca35f7324411415aa3170e44b1c05a1 [INFO] running `Command { std: "docker" "start" "-a" "6c0751ed6644bcc0d42824fb91c50df67ca35f7324411415aa3170e44b1c05a1", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling cc v1.0.35 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling futures v0.1.26 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.28 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling syn v0.15.32 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling constant_time_eq v0.1.3 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling arrayref v0.3.5 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling zeroize v0.5.2 [INFO] [stderr] Compiling subtle v2.0.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling tokio-trace-core v0.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling cmake v0.1.38 [INFO] [stderr] Compiling clear_on_drop v0.2.3 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling tun-tap-mac v0.1.2 [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling tokio-executor v0.1.7 [INFO] [stderr] Compiling tokio-sync v0.1.5 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling ui-sys v0.1.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling tokio-timer v0.2.10 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling digest v0.7.6 [INFO] [stderr] Compiling crypto-mac v0.6.2 [INFO] [stderr] Compiling crypto-mac v0.5.2 [INFO] [stderr] Compiling block-cipher-trait v0.6.2 [INFO] [stderr] Compiling dbl v0.2.1 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling stream-cipher v0.3.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling ctr v0.3.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling blake2 v0.7.1 [INFO] [stderr] Compiling hmac v0.6.3 [INFO] [stderr] Compiling cmac v0.2.0 [INFO] [stderr] Compiling pmac v0.2.0 [INFO] [stderr] Compiling curve25519-dalek v0.21.0 [INFO] [stderr] Compiling hkdf v0.6.0 [INFO] [stderr] error: could not compile `syn` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.32/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=2ece37fcc303ff0f -C extra-filename=-2ece37fcc303ff0f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-af0f1ab90cbb748d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f65623c5b4f9b450.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_use_thread_id --cfg syn_can_call_macro_by_path` (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" "6c0751ed6644bcc0d42824fb91c50df67ca35f7324411415aa3170e44b1c05a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c0751ed6644bcc0d42824fb91c50df67ca35f7324411415aa3170e44b1c05a1", kill_on_drop: false }` [INFO] [stdout] 6c0751ed6644bcc0d42824fb91c50df67ca35f7324411415aa3170e44b1c05a1