[INFO] crate pom-preview 3.0.4-alpha-1 is already in cache
[INFO] testing pom-preview-3.0.4-alpha-1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate pom-preview 3.0.4-alpha-1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pom-preview 3.0.4-alpha-1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-10/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d2bb4fc405439a882eee23027a16c00bc40cc151ed20268712819fd7312d4c70
[INFO] running `Command { std: "docker" "start" "-a" "d2bb4fc405439a882eee23027a16c00bc40cc151ed20268712819fd7312d4c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2bb4fc405439a882eee23027a16c00bc40cc151ed20268712819fd7312d4c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2bb4fc405439a882eee23027a16c00bc40cc151ed20268712819fd7312d4c70", kill_on_drop: false }`
[INFO] [stdout] d2bb4fc405439a882eee23027a16c00bc40cc151ed20268712819fd7312d4c70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2dd58c2382c5ef8cd9009407d59a29bfdcffd8d51a8200b11f72a9edef71bb05
[INFO] running `Command { std: "docker" "start" "-a" "2dd58c2382c5ef8cd9009407d59a29bfdcffd8d51a8200b11f72a9edef71bb05", kill_on_drop: false }`
[INFO] [stderr]    Compiling pom-preview v3.0.4-alpha-1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "2dd58c2382c5ef8cd9009407d59a29bfdcffd8d51a8200b11f72a9edef71bb05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd58c2382c5ef8cd9009407d59a29bfdcffd8d51a8200b11f72a9edef71bb05", kill_on_drop: false }`
[INFO] [stdout] 2dd58c2382c5ef8cd9009407d59a29bfdcffd8d51a8200b11f72a9edef71bb05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0047819861a1e92365d1b8819cbf207f65838a99254d4a5df60495887caacc42
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0047819861a1e92365d1b8819cbf207f65838a99254d4a5df60495887caacc42", kill_on_drop: false }`
[INFO] [stderr]    Compiling pom-preview v3.0.4-alpha-1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> examples/whitespace.rs:77:2
[INFO] [stdout]    |
[INFO] [stdout] 77 |       (
[INFO] [stdout]    |  _____^
[INFO] [stdout] 78 | |         whitespace() *
[INFO] [stdout] 79 | |         list(
[INFO] [stdout] 80 | |             call(container),
[INFO] [stdout] 81 | |             whitespace()
[INFO] [stdout] 82 | |         )
[INFO] [stdout] 83 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 |     
[INFO] [stdout] 78 |         whitespace() *
[INFO] [stdout] 79 |         list(
[INFO] [stdout] 80 |             call(container),
[INFO] [stdout] 81 |             whitespace()
[INFO] [stdout] 82 |         )
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "0047819861a1e92365d1b8819cbf207f65838a99254d4a5df60495887caacc42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0047819861a1e92365d1b8819cbf207f65838a99254d4a5df60495887caacc42", kill_on_drop: false }`
[INFO] [stdout] 0047819861a1e92365d1b8819cbf207f65838a99254d4a5df60495887caacc42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95e7958b561d7cd90efa7af9feb75f4a037914761121feeceb2ec6cb83875023
[INFO] running `Command { std: "docker" "start" "-a" "95e7958b561d7cd90efa7af9feb75f4a037914761121feeceb2ec6cb83875023", kill_on_drop: false }`
[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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pom-7bf6d306f53760a6
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parser::tests::chain_parser ... ok
[INFO] [stdout] test parser::tests::char_works ... 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] [stderr]      Running /opt/rustwide/target/debug/deps/list-7aa8509eb9abed17
[INFO] [stdout] test parser::tests::repeat_up_to ... ok
[INFO] [stdout] test parser::tests::byte_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pom
[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 `Command { std: "docker" "inspect" "95e7958b561d7cd90efa7af9feb75f4a037914761121feeceb2ec6cb83875023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e7958b561d7cd90efa7af9feb75f4a037914761121feeceb2ec6cb83875023", kill_on_drop: false }`
[INFO] [stdout] 95e7958b561d7cd90efa7af9feb75f4a037914761121feeceb2ec6cb83875023