[INFO] fetching crate ustr 0.6.0...
[INFO] testing ustr-0.6.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate ustr 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ustr 0.6.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ustr 0.6.0
[INFO] finished tweaking crates.io crate ustr 0.6.0
[INFO] tweaked toml for crates.io crate ustr 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "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] 46396ce3f0c27ed2326ff70147ff375c75227ced3a53a4c9862c03022ad90389
[INFO] running `"docker" "start" "-a" "46396ce3f0c27ed2326ff70147ff375c75227ced3a53a4c9862c03022ad90389"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.3.5
[INFO] [stderr]    Compiling ustr v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "46396ce3f0c27ed2326ff70147ff375c75227ced3a53a4c9862c03022ad90389"`
[INFO] running `"docker" "rm" "-f" "46396ce3f0c27ed2326ff70147ff375c75227ced3a53a4c9862c03022ad90389"`
[INFO] [stdout] 46396ce3f0c27ed2326ff70147ff375c75227ced3a53a4c9862c03022ad90389
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "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] b98781db4e62dbaa4cf3e06267c3849ea960c10ee4e780f9acdc1031bd3f0d24
[INFO] running `"docker" "start" "-a" "b98781db4e62dbaa4cf3e06267c3849ea960c10ee4e780f9acdc1031bd3f0d24"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling string-interner v0.7.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling ustr v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `"docker" "inspect" "b98781db4e62dbaa4cf3e06267c3849ea960c10ee4e780f9acdc1031bd3f0d24"`
[INFO] running `"docker" "rm" "-f" "b98781db4e62dbaa4cf3e06267c3849ea960c10ee4e780f9acdc1031bd3f0d24"`
[INFO] [stdout] b98781db4e62dbaa4cf3e06267c3849ea960c10ee4e780f9acdc1031bd3f0d24
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af2b8255b27784e68c0639e7b978be5d6bf2030d2e1842b2b3324ee76ca997d0
[INFO] running `"docker" "start" "-a" "af2b8255b27784e68c0639e7b978be5d6bf2030d2e1842b2b3324ee76ca997d0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ustr-de05228ed1d50ad9
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_into_str ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::c_str_works ... ok
[INFO] [stdout] test hash::test_hashing ... ok
[INFO] [stdout] test tests::partial_ord ... ok
[INFO] [stdout] test tests::empty_string ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/ustr-de05228ed1d50ad9` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `"docker" "inspect" "af2b8255b27784e68c0639e7b978be5d6bf2030d2e1842b2b3324ee76ca997d0"`
[INFO] running `"docker" "rm" "-f" "af2b8255b27784e68c0639e7b978be5d6bf2030d2e1842b2b3324ee76ca997d0"`
[INFO] [stdout] af2b8255b27784e68c0639e7b978be5d6bf2030d2e1842b2b3324ee76ca997d0