[INFO] fetching crate sophia 0.5.3...
[INFO] testing sophia-0.5.3 against 1.44.0 for beta-1.45-1
[INFO] extracting crate sophia 0.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sophia 0.5.3 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sophia 0.5.3
[INFO] finished tweaking crates.io crate sophia 0.5.3
[INFO] tweaked toml for crates.io crate sophia 0.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate sophia 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "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] c872137575336e1975c8a3a035f13b32324300fee0e92d3031e75186e02be18b
[INFO] running `"docker" "start" "-a" "c872137575336e1975c8a3a035f13b32324300fee0e92d3031e75186e02be18b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling rio_api v0.4.2
[INFO] [stderr]    Compiling weak-table v0.2.3
[INFO] [stderr]    Compiling resiter v0.4.0
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling rio_turtle v0.4.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling language-tag v0.9.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling sophia_term v0.5.3
[INFO] [stderr]    Compiling sophia v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.43s
[INFO] running `"docker" "inspect" "c872137575336e1975c8a3a035f13b32324300fee0e92d3031e75186e02be18b"`
[INFO] running `"docker" "rm" "-f" "c872137575336e1975c8a3a035f13b32324300fee0e92d3031e75186e02be18b"`
[INFO] [stdout] c872137575336e1975c8a3a035f13b32324300fee0e92d3031e75186e02be18b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54c4903de0130a94f07e6b331225ff632d34eee4b77370bdc9bf77f7fcdfe0d4
[INFO] running `"docker" "start" "-a" "54c4903de0130a94f07e6b331225ff632d34eee4b77370bdc9bf77f7fcdfe0d4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]    Compiling sophia v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `sophia`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sophia --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=cf0192e1a1d3c097 -C extra-filename=-cf0192e1a1d3c097 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-807f2c476a0e6b86.rlib --extern resiter=/opt/rustwide/target/debug/deps/libresiter-247e60d62a632b11.rlib --extern rio_api=/opt/rustwide/target/debug/deps/librio_api-5f2f72f303769359.rlib --extern rio_turtle=/opt/rustwide/target/debug/deps/librio_turtle-7704e7a60fb0c1d6.rlib --extern sophia_term=/opt/rustwide/target/debug/deps/libsophia_term-65edd7da2d31bed4.rlib --extern test_case=/opt/rustwide/target/debug/deps/libtest_case-62f8a55dc847612c.so --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-4d09ebff7c83145c.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "54c4903de0130a94f07e6b331225ff632d34eee4b77370bdc9bf77f7fcdfe0d4"`
[INFO] running `"docker" "rm" "-f" "54c4903de0130a94f07e6b331225ff632d34eee4b77370bdc9bf77f7fcdfe0d4"`
[INFO] [stdout] 54c4903de0130a94f07e6b331225ff632d34eee4b77370bdc9bf77f7fcdfe0d4