[INFO] crate perkv 0.0.2 is already in cache
[INFO] testing perkv-0.0.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate perkv 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate perkv 0.0.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate perkv 0.0.2
[INFO] finished tweaking crates.io crate perkv 0.0.2
[INFO] tweaked toml for crates.io crate perkv 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate perkv 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 27e26fb5fc018b9869fce6270a29e24c10ef0dde10e6a31407af002d14d65ece
[INFO] running `"docker" "start" "-a" "27e26fb5fc018b9869fce6270a29e24c10ef0dde10e6a31407af002d14d65ece"`
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling unsigned-varint v0.2.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling persy v0.7.0
[INFO] [stderr]    Compiling delegate v0.3.0
[INFO] [stderr]    Compiling persawkv v0.0.0-alpha.1
[INFO] [stderr]    Compiling perkv v0.0.2 (/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-0.7.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=2be8b3596c1c39ae -C extra-filename=-2be8b3596c1c39ae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-2cdd9ae034878c52.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-faf6376f2a5bc4a2.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-503bd975d814d848.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-6ec99fd2520aef82.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-c82cad3fbef0a017.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-e94d88a855b9e351.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-7c70baa2f115cd93.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "27e26fb5fc018b9869fce6270a29e24c10ef0dde10e6a31407af002d14d65ece"`
[INFO] running `"docker" "rm" "-f" "27e26fb5fc018b9869fce6270a29e24c10ef0dde10e6a31407af002d14d65ece"`
[INFO] [stdout] 27e26fb5fc018b9869fce6270a29e24c10ef0dde10e6a31407af002d14d65ece