[INFO] crate pom-preview 3.0.4-alpha-1 is already in cache
[INFO] testing pom-preview-3.0.4-alpha-1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate pom-preview 3.0.4-alpha-1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pom-preview 3.0.4-alpha-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 pom-preview 3.0.4-alpha-1
[INFO] finished tweaking crates.io crate pom-preview 3.0.4-alpha-1
[INFO] tweaked toml for crates.io crate pom-preview 3.0.4-alpha-1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate pom-preview 3.0.4-alpha-1 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] 3e06e08ff26671688b94da99f62893f57beeae85044c356f7e3cc20e5bccc8e9
[INFO] running `"docker" "start" "-a" "3e06e08ff26671688b94da99f62893f57beeae85044c356f7e3cc20e5bccc8e9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pom-preview v3.0.4-alpha-1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "3e06e08ff26671688b94da99f62893f57beeae85044c356f7e3cc20e5bccc8e9"`
[INFO] running `"docker" "rm" "-f" "3e06e08ff26671688b94da99f62893f57beeae85044c356f7e3cc20e5bccc8e9"`
[INFO] [stdout] 3e06e08ff26671688b94da99f62893f57beeae85044c356f7e3cc20e5bccc8e9
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efe9b4f60f0f9626a3408d46dd4028826bc8febb7b6880ac2302eb1f460f27ac
[INFO] running `"docker" "start" "-a" "efe9b4f60f0f9626a3408d46dd4028826bc8febb7b6880ac2302eb1f460f27ac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pom-preview v3.0.4-alpha-1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> examples/whitespace.rs:77:2
[INFO] [stderr]    |
[INFO] [stderr] 77 |       (
[INFO] [stderr]    |  _____^
[INFO] [stderr] 78 | |         whitespace() *
[INFO] [stderr] 79 | |         list(
[INFO] [stderr] 80 | |             call(container),
[INFO] [stderr] 81 | |             whitespace()
[INFO] [stderr] 82 | |         )
[INFO] [stderr] 83 | |     )
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 |     
[INFO] [stderr] 78 |         whitespace() *
[INFO] [stderr] 79 |         list(
[INFO] [stderr] 80 |             call(container),
[INFO] [stderr] 81 |             whitespace()
[INFO] [stderr] 82 |         )
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `"docker" "inspect" "efe9b4f60f0f9626a3408d46dd4028826bc8febb7b6880ac2302eb1f460f27ac"`
[INFO] running `"docker" "rm" "-f" "efe9b4f60f0f9626a3408d46dd4028826bc8febb7b6880ac2302eb1f460f27ac"`
[INFO] [stdout] efe9b4f60f0f9626a3408d46dd4028826bc8febb7b6880ac2302eb1f460f27ac
[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] 4fce1337e55a81f9fe08adcb67b9e02962ce5fc399df5c12eee9a95506963b5c
[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" "4fce1337e55a81f9fe08adcb67b9e02962ce5fc399df5c12eee9a95506963b5c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> examples/whitespace.rs:77:2
[INFO] [stderr]    |
[INFO] [stderr] 77 |       (
[INFO] [stderr]    |  _____^
[INFO] [stderr] 78 | |         whitespace() *
[INFO] [stderr] 79 | |         list(
[INFO] [stderr] 80 | |             call(container),
[INFO] [stderr] 81 | |             whitespace()
[INFO] [stderr] 82 | |         )
[INFO] [stderr] 83 | |     )
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 |     
[INFO] [stderr] 78 |         whitespace() *
[INFO] [stderr] 79 |         list(
[INFO] [stderr] 80 |             call(container),
[INFO] [stderr] 81 |             whitespace()
[INFO] [stderr] 82 |         )
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pom-656cf23d228d6f28
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parser::tests::chain_parser ... ok
[INFO] [stdout] test parser::tests::byte_works ... ok
[INFO] [stdout] test parser::tests::char_works ... ok
[INFO] [stdout] test parser::tests::repeat_up_to ... ok
[INFO] [stdout] test parser::tests::repeat_at_least ... ok
[INFO] [stdout] test parser::tests::recursive_parser ... ok
[INFO] [stdout] test parser::tests::repeat_exactly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/list-0f623dcbfb563ad5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_list ... ok
[INFO] [stderr]    Doc-tests pom
[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" "4fce1337e55a81f9fe08adcb67b9e02962ce5fc399df5c12eee9a95506963b5c"`
[INFO] running `"docker" "rm" "-f" "4fce1337e55a81f9fe08adcb67b9e02962ce5fc399df5c12eee9a95506963b5c"`
[INFO] [stdout] 4fce1337e55a81f9fe08adcb67b9e02962ce5fc399df5c12eee9a95506963b5c