[INFO] cloning repository https://github.com/SiegeEngine/siege-example-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SiegeEngine/siege-example-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiegeEngine%2Fsiege-example-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiegeEngine%2Fsiege-example-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d63627b04dfcd43a00a0eba49d03bb96989a719f
[INFO] checking SiegeEngine/siege-example-client against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiegeEngine%2Fsiege-example-client" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SiegeEngine/siege-example-client on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SiegeEngine/siege-example-client
[INFO] finished tweaking git repo https://github.com/SiegeEngine/siege-example-client
[INFO] tweaked toml for git repo https://github.com/SiegeEngine/siege-example-client written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SiegeEngine/siege-example-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43d9ab4a51679d00f540f3035a0c0e1a83f3774ad7fcda9b4a5472e0e9dccaa0
[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" "43d9ab4a51679d00f540f3035a0c0e1a83f3774ad7fcda9b4a5472e0e9dccaa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d9ab4a51679d00f540f3035a0c0e1a83f3774ad7fcda9b4a5472e0e9dccaa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d9ab4a51679d00f540f3035a0c0e1a83f3774ad7fcda9b4a5472e0e9dccaa0", kill_on_drop: false }`
[INFO] [stdout] 43d9ab4a51679d00f540f3035a0c0e1a83f3774ad7fcda9b4a5472e0e9dccaa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3f6f075db1596e376745f99842adc615c02b23cbca652157a316e4ded827261
[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" "d3f6f075db1596e376745f99842adc615c02b23cbca652157a316e4ded827261", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]     Checking serde v1.0.51
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling vks v0.21.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking spiral v0.1.9
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking glsl-to-spirv-macros v0.1.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]    Compiling cmake v0.1.31
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking stb_truetype v0.2.2 (https://github.com/SiegeEngine/stb_truetype-rs#af0d35d3)
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.4
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rusttype v0.5.2 (https://github.com/SiegeEngine/rusttype#50f287e5)
[INFO] [stderr]     Checking ddsfile v0.3.0-unstable (https://github.com/SiegeEngine/ddsfile#90fdaa21)
[INFO] [stderr]     Checking ddsfile v0.2.3
[INFO] [stderr]     Checking chashmap v2.2.0
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]    Compiling zstd-sys v1.4.3+zstd.1.3.4
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking dacite v0.7.0 (https://gitlab.com/mikedilger/dacite.git#0ff09d25)
[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-0.13.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=5a52f117a6d177f1 -C extra-filename=-5a52f117a6d177f1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3598b65ae7c32983.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b0868ff5d56b7045.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ef45b28e7fc52f2.rmeta --cap-lints allow --cap-lints=forbid` (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" "d3f6f075db1596e376745f99842adc615c02b23cbca652157a316e4ded827261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f6f075db1596e376745f99842adc615c02b23cbca652157a316e4ded827261", kill_on_drop: false }`
[INFO] [stdout] d3f6f075db1596e376745f99842adc615c02b23cbca652157a316e4ded827261