[INFO] fetching crate expression-num 0.2.3...
[INFO] testing expression-num-0.2.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate expression-num 0.2.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate expression-num 0.2.3 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 expression-num 0.2.3
[INFO] finished tweaking crates.io crate expression-num 0.2.3
[INFO] tweaked toml for crates.io crate expression-num 0.2.3 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] 48af20c86cac84b7708f2bc630c50559df97d9d479c55e050eb23244ae4d2a62
[INFO] running `"docker" "start" "-a" "48af20c86cac84b7708f2bc630c50559df97d9d479c55e050eb23244ae4d2a62"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling asexp v0.3.2
[INFO] [stderr]    Compiling expression v0.3.4
[INFO] [stderr]    Compiling expression-num v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "48af20c86cac84b7708f2bc630c50559df97d9d479c55e050eb23244ae4d2a62"`
[INFO] running `"docker" "rm" "-f" "48af20c86cac84b7708f2bc630c50559df97d9d479c55e050eb23244ae4d2a62"`
[INFO] [stdout] 48af20c86cac84b7708f2bc630c50559df97d9d479c55e050eb23244ae4d2a62
[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] 67e660884b8e76ba8b7a980bd26791a381d82b118e2ac2998b5a100dc0fe815f
[INFO] running `"docker" "start" "-a" "67e660884b8e76ba8b7a980bd26791a381d82b118e2ac2998b5a100dc0fe815f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling expression-num v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "67e660884b8e76ba8b7a980bd26791a381d82b118e2ac2998b5a100dc0fe815f"`
[INFO] running `"docker" "rm" "-f" "67e660884b8e76ba8b7a980bd26791a381d82b118e2ac2998b5a100dc0fe815f"`
[INFO] [stdout] 67e660884b8e76ba8b7a980bd26791a381d82b118e2ac2998b5a100dc0fe815f
[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] bbc7614fe441749813befe6238df9757837633ac7da154ac8a90bedfbfa98def
[INFO] running `"docker" "start" "-a" "bbc7614fe441749813befe6238df9757837633ac7da154ac8a90bedfbfa98def"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/expression_num-cffea4fd16247ad0
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_constant_folding ... ok
[INFO] [stdout] test test_expr ... ok
[INFO] [stdout] test test_expr_divz ... ok
[INFO] [stdout] test test_expr_recipz ... ok
[INFO] [stderr]    Doc-tests expression-num
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "bbc7614fe441749813befe6238df9757837633ac7da154ac8a90bedfbfa98def"`
[INFO] running `"docker" "rm" "-f" "bbc7614fe441749813befe6238df9757837633ac7da154ac8a90bedfbfa98def"`
[INFO] [stdout] bbc7614fe441749813befe6238df9757837633ac7da154ac8a90bedfbfa98def