[INFO] cloning repository https://github.com/5225225/distcomp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/5225225/distcomp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5225225%2Fdistcomp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5225225%2Fdistcomp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e167b500bea22fc6b464f40c93363f4f1e22637
[INFO] checking 5225225/distcomp against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5225225%2Fdistcomp" "/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/5225225/distcomp on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/5225225/distcomp
[INFO] finished tweaking git repo https://github.com/5225225/distcomp
[INFO] tweaked toml for git repo https://github.com/5225225/distcomp written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/5225225/distcomp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_cbor v0.10.1
[INFO] [stderr]   Downloaded static_assertions v0.3.3
[INFO] [stderr]   Downloaded wabt v0.9.0
[INFO] [stderr]   Downloaded wasmi v0.5.0
[INFO] [stderr]   Downloaded wabt-sys v0.6.1
[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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfe2e7ffaa1ede76018107074ed6978df091199fd30d2e9f45198d33d1532277
[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" "dfe2e7ffaa1ede76018107074ed6978df091199fd30d2e9f45198d33d1532277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe2e7ffaa1ede76018107074ed6978df091199fd30d2e9f45198d33d1532277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe2e7ffaa1ede76018107074ed6978df091199fd30d2e9f45198d33d1532277", kill_on_drop: false }`
[INFO] [stdout] dfe2e7ffaa1ede76018107074ed6978df091199fd30d2e9f45198d33d1532277
[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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c73e542a5f553b561db4bb24b4d28b041f5838e361870206762f8a960a7d2c06
[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" "c73e542a5f553b561db4bb24b4d28b041f5838e361870206762f8a960a7d2c06", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking static_assertions v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling libflate v0.1.26
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.15.0
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.6
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling wabt-sys v0.6.1
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]    Compiling libsodium-sys v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking better-panic v0.1.2
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking wasmi v0.5.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.98/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=20202f3ce5dc28b0 -C extra-filename=-20202f3ce5dc28b0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ab33b97f38e6e831.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-476d26c939207289.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-34e929b0d6f170f2.rlib --extern proc_macro --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" "c73e542a5f553b561db4bb24b4d28b041f5838e361870206762f8a960a7d2c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73e542a5f553b561db4bb24b4d28b041f5838e361870206762f8a960a7d2c06", kill_on_drop: false }`
[INFO] [stdout] c73e542a5f553b561db4bb24b4d28b041f5838e361870206762f8a960a7d2c06