[INFO] fetching crate pom 3.2.0... [INFO] testing pom-3.2.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate pom 3.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate pom 3.2.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate pom 3.2.0 [INFO] finished tweaking crates.io crate pom 3.2.0 [INFO] tweaked toml for crates.io crate pom 3.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate pom 3.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4af06566c5f34677f9432716ff13b3cf89df1bbcb4f5783b8fac493f27bb9e4c [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" "4af06566c5f34677f9432716ff13b3cf89df1bbcb4f5783b8fac493f27bb9e4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4af06566c5f34677f9432716ff13b3cf89df1bbcb4f5783b8fac493f27bb9e4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4af06566c5f34677f9432716ff13b3cf89df1bbcb4f5783b8fac493f27bb9e4c", kill_on_drop: false }` [INFO] [stdout] 4af06566c5f34677f9432716ff13b3cf89df1bbcb4f5783b8fac493f27bb9e4c [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b3563d1a34f7f49592723a9bc81acd9acd6374ca705a4fd32516fc864b11705 [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" "9b3563d1a34f7f49592723a9bc81acd9acd6374ca705a4fd32516fc864b11705", kill_on_drop: false }` [INFO] [stderr] Compiling pom v3.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "9b3563d1a34f7f49592723a9bc81acd9acd6374ca705a4fd32516fc864b11705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b3563d1a34f7f49592723a9bc81acd9acd6374ca705a4fd32516fc864b11705", kill_on_drop: false }` [INFO] [stdout] 9b3563d1a34f7f49592723a9bc81acd9acd6374ca705a4fd32516fc864b11705 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9efa1541044718a4a331d8ab220e33c32806a6bac013706abfb249fcfcaee9c [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" "e9efa1541044718a4a331d8ab220e33c32806a6bac013706abfb249fcfcaee9c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pom v3.2.0 (/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 | whitespace() * [INFO] [stdout] 78 | list( [INFO] [stdout] 79 | call(container), [INFO] [stdout] 80 | whitespace() [INFO] [stdout] 81 | ) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> examples/json_file.rs:75:2 [INFO] [stdout] | [INFO] [stdout] 75 | file.read_to_end(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.70s [INFO] running `Command { std: "docker" "inspect" "e9efa1541044718a4a331d8ab220e33c32806a6bac013706abfb249fcfcaee9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9efa1541044718a4a331d8ab220e33c32806a6bac013706abfb249fcfcaee9c", kill_on_drop: false }` [INFO] [stdout] e9efa1541044718a4a331d8ab220e33c32806a6bac013706abfb249fcfcaee9c [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9875947c6ad525e11f4f19f78c3df5dfcb92c591dec78e38a3a87723e5ac5af1 [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" "9875947c6ad525e11f4f19f78c3df5dfcb92c591dec78e38a3a87723e5ac5af1", kill_on_drop: false }` [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/json_file.rs:75:2 [INFO] [stderr] | [INFO] [stderr] 75 | file.read_to_end(&mut input); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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 | whitespace() * [INFO] [stderr] 78 | list( [INFO] [stderr] 79 | call(container), [INFO] [stderr] 80 | whitespace() [INFO] [stderr] 81 | ) [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-9f93dcf19ce0bfa1 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test parser::tests::recursive_parser ... ok [INFO] [stdout] test parser::tests::char_works ... ok [INFO] [stdout] test parser::tests::chain_parser ... ok [INFO] [stdout] test parser::tests::byte_works ... ok [INFO] [stdout] test parser::tests::repeat_at_least ... ok [INFO] [stdout] test parser::tests::repeat_exactly ... ok [INFO] [stdout] test parser::tests::repeat_up_to ... 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-60fcffae8114ab0d [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" "9875947c6ad525e11f4f19f78c3df5dfcb92c591dec78e38a3a87723e5ac5af1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9875947c6ad525e11f4f19f78c3df5dfcb92c591dec78e38a3a87723e5ac5af1", kill_on_drop: false }` [INFO] [stdout] 9875947c6ad525e11f4f19f78c3df5dfcb92c591dec78e38a3a87723e5ac5af1