[INFO] fetching crate pom 3.2.0... [INFO] testing pom-3.2.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate pom 3.2.0 into /workspace/builds/worker-40/source [INFO] validating manifest of crates.io crate pom 3.2.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-40/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c11aff1d4781dcfacb87f8862e83e609593d1046657768a3bcb07ab7b4c904fc [INFO] running `Command { std: "docker" "start" "-a" "c11aff1d4781dcfacb87f8862e83e609593d1046657768a3bcb07ab7b4c904fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c11aff1d4781dcfacb87f8862e83e609593d1046657768a3bcb07ab7b4c904fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c11aff1d4781dcfacb87f8862e83e609593d1046657768a3bcb07ab7b4c904fc", kill_on_drop: false }` [INFO] [stdout] c11aff1d4781dcfacb87f8862e83e609593d1046657768a3bcb07ab7b4c904fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d31217b13deaa56fcadcf5617f20faea552ba6fb9b75577bf86bfd51f082eb80 [INFO] running `Command { std: "docker" "start" "-a" "d31217b13deaa56fcadcf5617f20faea552ba6fb9b75577bf86bfd51f082eb80", kill_on_drop: false }` [INFO] [stderr] Compiling pom v3.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "d31217b13deaa56fcadcf5617f20faea552ba6fb9b75577bf86bfd51f082eb80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d31217b13deaa56fcadcf5617f20faea552ba6fb9b75577bf86bfd51f082eb80", kill_on_drop: false }` [INFO] [stdout] d31217b13deaa56fcadcf5617f20faea552ba6fb9b75577bf86bfd51f082eb80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63ace4191d07588cd0aca563f2f2cf4a74dbd617516bfd0666b0ad06f60511ce [INFO] running `Command { std: "docker" "start" "-a" "63ace4191d07588cd0aca563f2f2cf4a74dbd617516bfd0666b0ad06f60511ce", kill_on_drop: false }` [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] 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 `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 1.32s [INFO] running `Command { std: "docker" "inspect" "63ace4191d07588cd0aca563f2f2cf4a74dbd617516bfd0666b0ad06f60511ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63ace4191d07588cd0aca563f2f2cf4a74dbd617516bfd0666b0ad06f60511ce", kill_on_drop: false }` [INFO] [stdout] 63ace4191d07588cd0aca563f2f2cf4a74dbd617516bfd0666b0ad06f60511ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4eba478919cdc512956f7dbb52966efe4e9471339513438205fc6e40657014b8 [INFO] running `Command { std: "docker" "start" "-a" "4eba478919cdc512956f7dbb52966efe4e9471339513438205fc6e40657014b8", 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] 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: unused `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: `pom` (example "whitespace") generated 1 warning [INFO] [stderr] warning: `pom` (example "json_file") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pom-f17228644a2dca07) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test parser::tests::byte_works ... ok [INFO] [stdout] test parser::tests::chain_parser ... ok [INFO] [stdout] test parser::tests::char_works ... ok [INFO] [stdout] test parser::tests::recursive_parser ... 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; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/list.rs (/opt/rustwide/target/debug/deps/list-74c29c2829f1a627) [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; finished in 0.00s [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4eba478919cdc512956f7dbb52966efe4e9471339513438205fc6e40657014b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4eba478919cdc512956f7dbb52966efe4e9471339513438205fc6e40657014b8", kill_on_drop: false }` [INFO] [stdout] 4eba478919cdc512956f7dbb52966efe4e9471339513438205fc6e40657014b8