[INFO] updating cached repository https://github.com/mlevesquedion/stack_set
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13f767956d0fdb26ca60097bd4aa54a779356e85
[INFO] testing mlevesquedion/stack_set against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlevesquedion%2Fstack_set" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlevesquedion/stack_set 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 git repo https://github.com/mlevesquedion/stack_set
[INFO] finished tweaking git repo https://github.com/mlevesquedion/stack_set
[INFO] tweaked toml for git repo https://github.com/mlevesquedion/stack_set written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mlevesquedion/stack_set 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d83b81ca42fb467eb4b9b08281b2fa2e865d2461ee4cb72029a1b73f97726bd6
[INFO] running `"docker" "start" "-a" "d83b81ca42fb467eb4b9b08281b2fa2e865d2461ee4cb72029a1b73f97726bd6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling next_prime v0.1.1
[INFO] [stderr]    Compiling stack_set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "d83b81ca42fb467eb4b9b08281b2fa2e865d2461ee4cb72029a1b73f97726bd6"`
[INFO] running `"docker" "rm" "-f" "d83b81ca42fb467eb4b9b08281b2fa2e865d2461ee4cb72029a1b73f97726bd6"`
[INFO] [stdout] d83b81ca42fb467eb4b9b08281b2fa2e865d2461ee4cb72029a1b73f97726bd6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 70f4e28315950319c34599060fe69763f61f554c55d045b415131b833a0285b0
[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" "70f4e28315950319c34599060fe69763f61f554c55d045b415131b833a0285b0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling stack_set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "70f4e28315950319c34599060fe69763f61f554c55d045b415131b833a0285b0"`
[INFO] running `"docker" "rm" "-f" "70f4e28315950319c34599060fe69763f61f554c55d045b415131b833a0285b0"`
[INFO] [stdout] 70f4e28315950319c34599060fe69763f61f554c55d045b415131b833a0285b0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8a67902b64e846d257c3930d7700db5e32ec08122dfda65e5568cf88d3a84cfe
[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" "8a67902b64e846d257c3930d7700db5e32ec08122dfda65e5568cf88d3a84cfe"`
[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/stack_set-8c761a3100be9b8e
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::stack_does_not_contain_element_that_was_popped ... ok
[INFO] [stdout] test tests::top_returns_last_element_that_was_added ... ok
[INFO] [stdout] test tests::pop_returns_and_removes_top_element ... ok
[INFO] [stdout] test tests::stack_has_no_top_when_empty ... ok
[INFO] [stdout] test tests::stack_is_not_empty_after_push ... ok
[INFO] [stdout] test tests::new_stack_is_empty ... ok
[INFO] [stdout] test tests::stack_contains_element_that_was_added ... ok
[INFO] [stdout] test tests::empty_stack_contains_nothing ... ok
[INFO] [stdout] test tests::cannot_pop_from_empty_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stack_set-475af67e022de061
[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] [stderr]    Doc-tests stack_set
[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" "8a67902b64e846d257c3930d7700db5e32ec08122dfda65e5568cf88d3a84cfe"`
[INFO] running `"docker" "rm" "-f" "8a67902b64e846d257c3930d7700db5e32ec08122dfda65e5568cf88d3a84cfe"`
[INFO] [stdout] 8a67902b64e846d257c3930d7700db5e32ec08122dfda65e5568cf88d3a84cfe