[INFO] fetching crate squawk-linter 0.3.0...
[INFO] testing squawk-linter-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate squawk-linter 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate squawk-linter 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate squawk-linter 0.3.0
[INFO] finished tweaking crates.io crate squawk-linter 0.3.0
[INFO] tweaked toml for crates.io crate squawk-linter 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cbcc512c5f6febb577f31a377d66b9749d9ca6572b41c58d5e53b39f4ba4c0b
[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" "9cbcc512c5f6febb577f31a377d66b9749d9ca6572b41c58d5e53b39f4ba4c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cbcc512c5f6febb577f31a377d66b9749d9ca6572b41c58d5e53b39f4ba4c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cbcc512c5f6febb577f31a377d66b9749d9ca6572b41c58d5e53b39f4ba4c0b", kill_on_drop: false }`
[INFO] [stdout] 9cbcc512c5f6febb577f31a377d66b9749d9ca6572b41c58d5e53b39f4ba4c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f6ca4bc1f83e151ede521bc36420bb98936bd6e7ef9d3b85ced0c268fd34e1
[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" "f5f6ca4bc1f83e151ede521bc36420bb98936bd6e7ef9d3b85ced0c268fd34e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libpg_query-sys v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling squawk-parser v0.3.0
[INFO] [stderr]    Compiling squawk-linter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "f5f6ca4bc1f83e151ede521bc36420bb98936bd6e7ef9d3b85ced0c268fd34e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f6ca4bc1f83e151ede521bc36420bb98936bd6e7ef9d3b85ced0c268fd34e1", kill_on_drop: false }`
[INFO] [stdout] f5f6ca4bc1f83e151ede521bc36420bb98936bd6e7ef9d3b85ced0c268fd34e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d92807c678472745639a417338162c6c59bed2825f6e0b76314087bdd650a79
[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" "2d92807c678472745639a417338162c6c59bed2825f6e0b76314087bdd650a79", 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 linked-hash-map v0.5.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling serde_yaml v0.8.20
[INFO] [stderr]    Compiling insta v0.16.1
[INFO] [stderr]    Compiling squawk-linter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.99s
[INFO] running `Command { std: "docker" "inspect" "2d92807c678472745639a417338162c6c59bed2825f6e0b76314087bdd650a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d92807c678472745639a417338162c6c59bed2825f6e0b76314087bdd650a79", kill_on_drop: false }`
[INFO] [stdout] 2d92807c678472745639a417338162c6c59bed2825f6e0b76314087bdd650a79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87d087f5833cf690dea1cf366badaacd5783666a6f01b98fd9784e8accd38e5e
[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" "87d087f5833cf690dea1cf366badaacd5783666a6f01b98fd9784e8accd38e5e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/squawk_linter-a2813d13fdb0470c)
[INFO] [stdout] running 18 tests
[INFO] [stdout] test rules::test_rules::test_check_rules_orderin ... ok
[INFO] [stdout] test rules::test_rules::test_prefer_robust_stmt_okay_cases ... ok
[INFO] [stdout] test rules::test_rules::test_parsing_rule_kind ... ok
[INFO] [stdout] test rules::test_rules::test_unique_constraint_ok ... ok
[INFO] [stdout] test rules::test_rules::test_adding_field_that_is_not_nullable ... ok
[INFO] [stdout] test rules::test_rules::test_prefer_robust_stmt_failure_cases ... ok
[INFO] [stdout] test rules::test_rules::test_adding_field_with_default ... ok
[INFO] [stdout] test rules::test_rules::test_ban_drop_database ... ok
[INFO] [stdout] test rules::test_rules::test_adding_foreign_key ... ok
[INFO] [stderr]    Doc-tests squawk-linter
[INFO] [stdout] test rules::test_rules::test_changing_field_type ... ok
[INFO] [stdout] test rules::test_rules::test_ensure_ignored_when_new_table ... ok
[INFO] [stdout] test rules::test_rules::test_renaming_table ... ok
[INFO] [stdout] test rules::test_rules::test_adding_check_constraint ... ok
[INFO] [stdout] test rules::test_rules::test_adding_index_non_concurrently ... ok
[INFO] [stdout] test rules::test_rules::test_adding_unique_constraint ... ok
[INFO] [stdout] test rules::test_rules::test_increasing_varchar_size ... ok
[INFO] [stdout] test rules::test_rules::test_renaming_column ... ok
[INFO] [stdout] test rules::test_rules::test_prefer_text_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87d087f5833cf690dea1cf366badaacd5783666a6f01b98fd9784e8accd38e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d087f5833cf690dea1cf366badaacd5783666a6f01b98fd9784e8accd38e5e", kill_on_drop: false }`
[INFO] [stdout] 87d087f5833cf690dea1cf366badaacd5783666a6f01b98fd9784e8accd38e5e