[INFO] fetching crate structsy 0.3.0...
[INFO] testing structsy-0.3.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate structsy 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate structsy 0.3.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-9/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d19c664e9d66fadecf218ebaedbca372f0c0c464b66ee4f66694d6c48ee0532
[INFO] running `Command { std: "docker" "start" "-a" "9d19c664e9d66fadecf218ebaedbca372f0c0c464b66ee4f66694d6c48ee0532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d19c664e9d66fadecf218ebaedbca372f0c0c464b66ee4f66694d6c48ee0532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d19c664e9d66fadecf218ebaedbca372f0c0c464b66ee4f66694d6c48ee0532", kill_on_drop: false }`
[INFO] [stdout] 9d19c664e9d66fadecf218ebaedbca372f0c0c464b66ee4f66694d6c48ee0532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63005281f5916b447e739a7803c237bf28ec407c3b5e3811c9fab3715164579e
[INFO] running `Command { std: "docker" "start" "-a" "63005281f5916b447e739a7803c237bf28ec407c3b5e3811c9fab3715164579e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crc v1.8.1
[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 v0.5.1
[INFO] [stderr]    Compiling zigzag v0.1.0
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.0
[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=375b403442f8d952 -C extra-filename=-375b403442f8d952 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-6c984759c2f0f595.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-eacf59a36afead28.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-dcae93a977e836ac.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-aab5370037bc3113.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-41059a2a6e867208.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-280203900b4e6740.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-1df9cf86e654a7cd.rmeta --extern zigzag=/opt/rustwide/target/debug/deps/libzigzag-b21a768732518cfc.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "63005281f5916b447e739a7803c237bf28ec407c3b5e3811c9fab3715164579e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63005281f5916b447e739a7803c237bf28ec407c3b5e3811c9fab3715164579e", kill_on_drop: false }`
[INFO] [stdout] 63005281f5916b447e739a7803c237bf28ec407c3b5e3811c9fab3715164579e