[INFO] crate structsy 0.2.1 is already in cache
[INFO] testing structsy-0.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate structsy 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate structsy 0.2.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structsy 0.2.1
[INFO] finished tweaking crates.io crate structsy 0.2.1
[INFO] tweaked toml for crates.io crate structsy 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate structsy 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e249920d893acc774d0609c5153a69509037d54bf6624e797de8eafd3658c1c3
[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" "e249920d893acc774d0609c5153a69509037d54bf6624e797de8eafd3658c1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e249920d893acc774d0609c5153a69509037d54bf6624e797de8eafd3658c1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e249920d893acc774d0609c5153a69509037d54bf6624e797de8eafd3658c1c3", kill_on_drop: false }`
[INFO] [stdout] e249920d893acc774d0609c5153a69509037d54bf6624e797de8eafd3658c1c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 164ed95d3da32919366f2acab6cf983a82b94955308705d14805159023e9e11c
[INFO] running `Command { std: "docker" "start" "-a" "164ed95d3da32919366f2acab6cf983a82b94955308705d14805159023e9e11c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unsigned-varint v0.3.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling persy v0.9.0
[INFO] [stderr]    Compiling structsy v0.2.1 (/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-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=32df2e7e4f196f62 -C extra-filename=-32df2e7e4f196f62 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-8e7ddb72171cc91f.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-4ebcff3c7b28e9c1.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-d2ae73a6347f6555.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-0bb745ce70746380.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-d4391d1b7da53318.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-16742ec149b60f5e.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-5d8289c4e1deedd0.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "164ed95d3da32919366f2acab6cf983a82b94955308705d14805159023e9e11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164ed95d3da32919366f2acab6cf983a82b94955308705d14805159023e9e11c", kill_on_drop: false }`
[INFO] [stdout] 164ed95d3da32919366f2acab6cf983a82b94955308705d14805159023e9e11c