[INFO] cloning repository https://github.com/vtavernier/rspirv-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vtavernier/rspirv-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvtavernier%2Frspirv-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvtavernier%2Frspirv-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce10c8702832d927a2f6b03896db539c5ad09f51
[INFO] checking vtavernier/rspirv-bug against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvtavernier%2Frspirv-bug" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vtavernier/rspirv-bug on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vtavernier/rspirv-bug
[INFO] finished tweaking git repo https://github.com/vtavernier/rspirv-bug
[INFO] tweaked toml for git repo https://github.com/vtavernier/rspirv-bug written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/vtavernier/rspirv-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/rspirv.git`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/SPIRV-Headers.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9016b6ff1a854ea3736030fff543f30342593ab1e35430790164ccfda61fa43
[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" "c9016b6ff1a854ea3736030fff543f30342593ab1e35430790164ccfda61fa43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9016b6ff1a854ea3736030fff543f30342593ab1e35430790164ccfda61fa43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9016b6ff1a854ea3736030fff543f30342593ab1e35430790164ccfda61fa43", kill_on_drop: false }`
[INFO] [stdout] c9016b6ff1a854ea3736030fff543f30342593ab1e35430790164ccfda61fa43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69375b719cf8bd53604c59d390066132fc4361dc384e150ca8259196204f2f58
[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" "69375b719cf8bd53604c59d390066132fc4361dc384e150ca8259196204f2f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]     Checking spirv_headers v1.4.2 (https://github.com/gfx-rs/rspirv.git#39058551)
[INFO] [stderr]    Compiling regex v1.3.4
[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-0.15.44/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="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=3f67b7b8660294b4 -C extra-filename=-3f67b7b8660294b4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-14b87d0cfb3a3067.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3ab6671852ca27d4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ef45b28e7fc52f2.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "69375b719cf8bd53604c59d390066132fc4361dc384e150ca8259196204f2f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69375b719cf8bd53604c59d390066132fc4361dc384e150ca8259196204f2f58", kill_on_drop: false }`
[INFO] [stdout] 69375b719cf8bd53604c59d390066132fc4361dc384e150ca8259196204f2f58
