[INFO] crate lock-free-stack 0.1.1 is already in cache
[INFO] testing lock-free-stack-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate lock-free-stack 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lock-free-stack 0.1.1 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 lock-free-stack 0.1.1
[INFO] finished tweaking crates.io crate lock-free-stack 0.1.1
[INFO] tweaked toml for crates.io crate lock-free-stack 0.1.1 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] 72b5450e4d163b08018ce2eb5e8626cb64807105d79315d2d7a07e8e4836e3ac
[INFO] running `"docker" "start" "-a" "72b5450e4d163b08018ce2eb5e8626cb64807105d79315d2d7a07e8e4836e3ac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lock-free-stack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "72b5450e4d163b08018ce2eb5e8626cb64807105d79315d2d7a07e8e4836e3ac"`
[INFO] running `"docker" "rm" "-f" "72b5450e4d163b08018ce2eb5e8626cb64807105d79315d2d7a07e8e4836e3ac"`
[INFO] [stdout] 72b5450e4d163b08018ce2eb5e8626cb64807105d79315d2d7a07e8e4836e3ac
[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] 9508f58153c9c80d787a19681469918b8e27a347c9e67f6b1a1151edc96ff101
[INFO] running `"docker" "start" "-a" "9508f58153c9c80d787a19681469918b8e27a347c9e67f6b1a1151edc96ff101"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lock-free-stack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "9508f58153c9c80d787a19681469918b8e27a347c9e67f6b1a1151edc96ff101"`
[INFO] running `"docker" "rm" "-f" "9508f58153c9c80d787a19681469918b8e27a347c9e67f6b1a1151edc96ff101"`
[INFO] [stdout] 9508f58153c9c80d787a19681469918b8e27a347c9e67f6b1a1151edc96ff101
[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] 853c20d3945c7106b80f390a19bcd4e1c517c4e9e902e894d415f4c4aa4fb72a
[INFO] running `"docker" "start" "-a" "853c20d3945c7106b80f390a19bcd4e1c517c4e9e902e894d415f4c4aa4fb72a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lock_free_stack-727845d12da6824e
[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]      Running /opt/rustwide/target/debug/deps/lock_free_stack-672f1340c9bf15bf
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_add_returns_one_size_when_adding_to_an_empty_stack ... ok
[INFO] [stdout] test test_add_returns_size_two_when_adding_to_a_stack_with_one_element ... ok
[INFO] [stdout] test test_remove_all_returns_a_one_item_iterator_for_stack_with_one_item ... ok
[INFO] [stdout] test test_remove_all_returns_an_empty_iterator_for_empty_stack ... ok
[INFO] [stdout] test test_size_returns_size_one_for_stack_with_one_element ... ok
[INFO] [stdout] test test_size_returns_zero_size_after_removing_all ... ok
[INFO] [stdout] test test_size_returns_zero_size_for_empty_stack ... ok
[INFO] [stdout] test test_size_returns_size_two_for_stack_with_two_elements ... ok
[INFO] [stdout] test test_add_in_threads_remove_in_current ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lock-free-stack
[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" "853c20d3945c7106b80f390a19bcd4e1c517c4e9e902e894d415f4c4aa4fb72a"`
[INFO] running `"docker" "rm" "-f" "853c20d3945c7106b80f390a19bcd4e1c517c4e9e902e894d415f4c4aa4fb72a"`
[INFO] [stdout] 853c20d3945c7106b80f390a19bcd4e1c517c4e9e902e894d415f4c4aa4fb72a