[INFO] crate possibly_uninit 0.1.0-preview is already in cache
[INFO] testing possibly_uninit-0.1.0-preview against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate possibly_uninit 0.1.0-preview into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate possibly_uninit 0.1.0-preview 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 possibly_uninit 0.1.0-preview
[INFO] finished tweaking crates.io crate possibly_uninit 0.1.0-preview
[INFO] tweaked toml for crates.io crate possibly_uninit 0.1.0-preview written to /workspace/builds/worker-9/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-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" "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] 5f7ce9aaf7d37d9d4314e45752b9e5d67bc8a0793f382515183dc86514bfc0ef
[INFO] running `"docker" "start" "-a" "5f7ce9aaf7d37d9d4314e45752b9e5d67bc8a0793f382515183dc86514bfc0ef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling possibly_uninit v0.1.0-preview (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "5f7ce9aaf7d37d9d4314e45752b9e5d67bc8a0793f382515183dc86514bfc0ef"`
[INFO] running `"docker" "rm" "-f" "5f7ce9aaf7d37d9d4314e45752b9e5d67bc8a0793f382515183dc86514bfc0ef"`
[INFO] [stdout] 5f7ce9aaf7d37d9d4314e45752b9e5d67bc8a0793f382515183dc86514bfc0ef
[INFO] running `"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" "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] 0c14832fe602bd53c91ad4413a096f3b372e813f93e56b045e6c56811700acd0
[INFO] running `"docker" "start" "-a" "0c14832fe602bd53c91ad4413a096f3b372e813f93e56b045e6c56811700acd0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling possibly_uninit v0.1.0-preview (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "0c14832fe602bd53c91ad4413a096f3b372e813f93e56b045e6c56811700acd0"`
[INFO] running `"docker" "rm" "-f" "0c14832fe602bd53c91ad4413a096f3b372e813f93e56b045e6c56811700acd0"`
[INFO] [stdout] 0c14832fe602bd53c91ad4413a096f3b372e813f93e56b045e6c56811700acd0
[INFO] running `"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" "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] f500ca44d8732b396b9517b065d13e20b00fbf7e6787014b1a0ccbd07072db1e
[INFO] running `"docker" "start" "-a" "f500ca44d8732b396b9517b065d13e20b00fbf7e6787014b1a0ccbd07072db1e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/possibly_uninit-9d7181a946f5ddeb
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test slice::cursor::test::arr ... ok
[INFO] [stdout] test slice::cursor::test::slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests possibly_uninit
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/slice/mod.rs - slice::MaybeUninitSlice (line 51) ... ok
[INFO] [stdout] test src/lib.rs - RefMut (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f500ca44d8732b396b9517b065d13e20b00fbf7e6787014b1a0ccbd07072db1e"`
[INFO] running `"docker" "rm" "-f" "f500ca44d8732b396b9517b065d13e20b00fbf7e6787014b1a0ccbd07072db1e"`
[INFO] [stdout] f500ca44d8732b396b9517b065d13e20b00fbf7e6787014b1a0ccbd07072db1e