[INFO] fetching crate persy 1.0.0...
[INFO] testing persy-1.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate persy 1.0.0 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate persy 1.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate persy 1.0.0
[INFO] finished tweaking crates.io crate persy 1.0.0
[INFO] tweaked toml for crates.io crate persy 1.0.0 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate crates.io crate persy 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded object v0.26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0796e5c3e869e6655ffe4bc37a9a2aec32bcadbdda155388852a54fc9dc0d5f
[INFO] running `Command { std: "docker" "start" "-a" "e0796e5c3e869e6655ffe4bc37a9a2aec32bcadbdda155388852a54fc9dc0d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0796e5c3e869e6655ffe4bc37a9a2aec32bcadbdda155388852a54fc9dc0d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0796e5c3e869e6655ffe4bc37a9a2aec32bcadbdda155388852a54fc9dc0d5f", kill_on_drop: false }`
[INFO] [stdout] e0796e5c3e869e6655ffe4bc37a9a2aec32bcadbdda155388852a54fc9dc0d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c81aa43deea9da640ab6408c1835e53e57b26632ab856c18aa0adf16d4a35f3
[INFO] running `Command { std: "docker" "start" "-a" "4c81aa43deea9da640ab6408c1835e53e57b26632ab856c18aa0adf16d4a35f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling unsigned-varint v0.7.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling crc v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling zigzag v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling persy v1.0.0 (/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 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 -C metadata=32c5e459efef640d -C extra-filename=-32c5e459efef640d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-4d098c56eb4115f5.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-d40f2100b9ab9df3.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-3c374c1dd97708e3.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-c149f13787b715eb.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-ea264b62bc2c9c07.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0ebb230b82ced7de.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-2f8e5f5412ce0026.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-13823e4bc02d948c.rmeta --extern zigzag=/opt/rustwide/target/debug/deps/libzigzag-71807976dbed1f11.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4c81aa43deea9da640ab6408c1835e53e57b26632ab856c18aa0adf16d4a35f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c81aa43deea9da640ab6408c1835e53e57b26632ab856c18aa0adf16d4a35f3", kill_on_drop: false }`
[INFO] [stdout] 4c81aa43deea9da640ab6408c1835e53e57b26632ab856c18aa0adf16d4a35f3