[INFO] fetching crate nstack 0.2.0...
[INFO] testing nstack-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate nstack 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate nstack 0.2.0 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 nstack 0.2.0
[INFO] finished tweaking crates.io crate nstack 0.2.0
[INFO] tweaked toml for crates.io crate nstack 0.2.0 written to /workspace/builds/worker-10/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kelvin v0.16.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 973c8352c8ab6b2a690ae36fd888a761bf5c51223508cfac7f5180011b90e298
[INFO] running `"docker" "start" "-a" "973c8352c8ab6b2a690ae36fd888a761bf5c51223508cfac7f5180011b90e298"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling seahash v3.0.7
[INFO] [stderr]    Compiling stable-heap v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling atomicwrites v0.2.5
[INFO] [stderr]    Compiling bytehash v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling cache v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling appendix v0.2.0
[INFO] [stderr]    Compiling derive_arbitrary v0.3.3
[INFO] [stderr]    Compiling arbitrary v0.3.3
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling kelvin v0.16.0
[INFO] [stderr]    Compiling nstack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.17s
[INFO] running `"docker" "inspect" "973c8352c8ab6b2a690ae36fd888a761bf5c51223508cfac7f5180011b90e298"`
[INFO] running `"docker" "rm" "-f" "973c8352c8ab6b2a690ae36fd888a761bf5c51223508cfac7f5180011b90e298"`
[INFO] [stdout] 973c8352c8ab6b2a690ae36fd888a761bf5c51223508cfac7f5180011b90e298
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] df7195c64a338d7077583988c84107b8bb4e8f781edb71ad0cc81cf3af0272de
[INFO] running `"docker" "start" "-a" "df7195c64a338d7077583988c84107b8bb4e8f781edb71ad0cc81cf3af0272de"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nstack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `"docker" "inspect" "df7195c64a338d7077583988c84107b8bb4e8f781edb71ad0cc81cf3af0272de"`
[INFO] running `"docker" "rm" "-f" "df7195c64a338d7077583988c84107b8bb4e8f781edb71ad0cc81cf3af0272de"`
[INFO] [stdout] df7195c64a338d7077583988c84107b8bb4e8f781edb71ad0cc81cf3af0272de
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 4de91fa53f05a6349925aba49042a315e33d0bbbbcfd55e9a60c2479b8bea427
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4de91fa53f05a6349925aba49042a315e33d0bbbbcfd55e9a60c2479b8bea427"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nstack-d91b4d2d43c0df1d
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::trivial ... ok
[INFO] [stdout] test tests::double ... ok
[INFO] [stdout] test tests::branch_lengths ... ok
[INFO] [stdout] test tests::multiple ... ok
[INFO] [stdout] test tests::get_mut ... ok
[INFO] [stdout] test tests::get ... ok
[INFO] [stdout] test tests::stack ... ok
[INFO] [stderr]    Doc-tests nstack
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4de91fa53f05a6349925aba49042a315e33d0bbbbcfd55e9a60c2479b8bea427"`
[INFO] running `"docker" "rm" "-f" "4de91fa53f05a6349925aba49042a315e33d0bbbbcfd55e9a60c2479b8bea427"`
[INFO] [stdout] 4de91fa53f05a6349925aba49042a315e33d0bbbbcfd55e9a60c2479b8bea427