[INFO] fetching crate hello_exercism 0.5.5...
[INFO] testing hello_exercism-0.5.5 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate hello_exercism 0.5.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hello_exercism 0.5.5 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 hello_exercism 0.5.5
[INFO] finished tweaking crates.io crate hello_exercism 0.5.5
[INFO] tweaked toml for crates.io crate hello_exercism 0.5.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate hello_exercism 0.5.5 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hello_extern v0.1.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] eb16850a3fa726f4d5113f95642ff46abc8f6fbc70eefdd2f75111090ff8dbf8
[INFO] running `"docker" "start" "-a" "eb16850a3fa726f4d5113f95642ff46abc8f6fbc70eefdd2f75111090ff8dbf8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hello_extern v0.1.1
[INFO] [stderr]    Compiling hello_exercism v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "eb16850a3fa726f4d5113f95642ff46abc8f6fbc70eefdd2f75111090ff8dbf8"`
[INFO] running `"docker" "rm" "-f" "eb16850a3fa726f4d5113f95642ff46abc8f6fbc70eefdd2f75111090ff8dbf8"`
[INFO] [stdout] eb16850a3fa726f4d5113f95642ff46abc8f6fbc70eefdd2f75111090ff8dbf8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6456b7037980b7b9e2c46a676a7fa45134b41990433ca2700519bf14436e6cac
[INFO] running `"docker" "start" "-a" "6456b7037980b7b9e2c46a676a7fa45134b41990433ca2700519bf14436e6cac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hello_exercism v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "6456b7037980b7b9e2c46a676a7fa45134b41990433ca2700519bf14436e6cac"`
[INFO] running `"docker" "rm" "-f" "6456b7037980b7b9e2c46a676a7fa45134b41990433ca2700519bf14436e6cac"`
[INFO] [stdout] 6456b7037980b7b9e2c46a676a7fa45134b41990433ca2700519bf14436e6cac
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c12c7e914cf8106d629161afafd14f88de9a6b01a575766f48178851c867071a
[INFO] running `"docker" "start" "-a" "c12c7e914cf8106d629161afafd14f88de9a6b01a575766f48178851c867071a"`
[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/hello_exercism-f51183d986b635eb
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test integration_tests::i_hello::it_works_with_only_extern ... ok
[INFO] [stdout] test i_hello::it_works_with_only_extern ... ok
[INFO] [stdout] test private_tests_with_use::it_works_at_private ... ok
[INFO] [stdout] test private_tests_without_use::it_works_at_private ... ok
[INFO] [stdout] test integration_tests::i_hello::it_works_with_the_crate_and_extern ... ok
[INFO] [stdout] test owned_hello::it_works_at_private ... ok
[INFO] [stdout] test i_hello::it_works_with_the_crate_and_extern ... ok
[INFO] [stdout] test private_tests::owned_hello::it_works_at_private ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i_hello-89036ccfab47e19e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_works_with_extern ... ok
[INFO] [stdout] test it_works_with_the_crate_and_extern ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/u_hello-c13d8e70bba93b06
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works_at_uint ... ok
[INFO] [stderr]    Doc-tests hello_exercism
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "c12c7e914cf8106d629161afafd14f88de9a6b01a575766f48178851c867071a"`
[INFO] running `"docker" "rm" "-f" "c12c7e914cf8106d629161afafd14f88de9a6b01a575766f48178851c867071a"`
[INFO] [stdout] c12c7e914cf8106d629161afafd14f88de9a6b01a575766f48178851c867071a