[INFO] fetching crate structsy 0.3.0...
[INFO] testing structsy-0.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate structsy 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate structsy 0.3.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structsy 0.3.0
[INFO] finished tweaking crates.io crate structsy 0.3.0
[INFO] tweaked toml for crates.io crate structsy 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate structsy 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa1f5b2f3ed1cfb882223f1d0ed56d259a602cb44fc71d80ba9ae62c7500f9f9
[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" "fa1f5b2f3ed1cfb882223f1d0ed56d259a602cb44fc71d80ba9ae62c7500f9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa1f5b2f3ed1cfb882223f1d0ed56d259a602cb44fc71d80ba9ae62c7500f9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1f5b2f3ed1cfb882223f1d0ed56d259a602cb44fc71d80ba9ae62c7500f9f9", kill_on_drop: false }`
[INFO] [stdout] fa1f5b2f3ed1cfb882223f1d0ed56d259a602cb44fc71d80ba9ae62c7500f9f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e96393659baa4b57a2cf67261d5d23e7272781d57bda08d4c07f0cd527b36d31
[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" "e96393659baa4b57a2cf67261d5d23e7272781d57bda08d4c07f0cd527b36d31", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling zigzag v0.1.0
[INFO] [stderr]    Compiling persy v0.11.4
[INFO] [stderr]    Compiling structsy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `persy`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name persy --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/persy-0.11.4/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=bbda68b988e41ff4 -C extra-filename=-bbda68b988e41ff4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-c108165c88451b38.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-47998969f3c46b18.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-010b05ff6e00ed3e.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-1cac3800e69b97ec.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-775ed35f3b1f4453.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-5166611eed02d1eb.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-6931e3a02230f5d2.rmeta --extern zigzag=/opt/rustwide/target/debug/deps/libzigzag-554ae76e78db8000.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e96393659baa4b57a2cf67261d5d23e7272781d57bda08d4c07f0cd527b36d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96393659baa4b57a2cf67261d5d23e7272781d57bda08d4c07f0cd527b36d31", kill_on_drop: false }`
[INFO] [stdout] e96393659baa4b57a2cf67261d5d23e7272781d57bda08d4c07f0cd527b36d31