[INFO] fetching crate titlecase 1.1.0...
[INFO] testing titlecase-1.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate titlecase 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate titlecase 1.1.0 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 titlecase 1.1.0
[INFO] finished tweaking crates.io crate titlecase 1.1.0
[INFO] tweaked toml for crates.io crate titlecase 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate titlecase 1.1.0 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] [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3349a3a6e2907932115e86622ff16d490bc73afb1a81742b4319cc0a26d946da
[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" "3349a3a6e2907932115e86622ff16d490bc73afb1a81742b4319cc0a26d946da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3349a3a6e2907932115e86622ff16d490bc73afb1a81742b4319cc0a26d946da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3349a3a6e2907932115e86622ff16d490bc73afb1a81742b4319cc0a26d946da", kill_on_drop: false }`
[INFO] [stdout] 3349a3a6e2907932115e86622ff16d490bc73afb1a81742b4319cc0a26d946da
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c18003dc600b3c6bece24416479d39f7493e93bd03778a070c64aaa7a1acdb
[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" "e6c18003dc600b3c6bece24416479d39f7493e93bd03778a070c64aaa7a1acdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling titlecase v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.68s
[INFO] running `Command { std: "docker" "inspect" "e6c18003dc600b3c6bece24416479d39f7493e93bd03778a070c64aaa7a1acdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c18003dc600b3c6bece24416479d39f7493e93bd03778a070c64aaa7a1acdb", kill_on_drop: false }`
[INFO] [stdout] e6c18003dc600b3c6bece24416479d39f7493e93bd03778a070c64aaa7a1acdb
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d2393d2dfa633c39c1cfa190f01681139937489628b4e731256777c3a0ce758
[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" "7d2393d2dfa633c39c1cfa190f01681139937489628b4e731256777c3a0ce758", kill_on_drop: false }`
[INFO] [stderr]    Compiling titlecase v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "7d2393d2dfa633c39c1cfa190f01681139937489628b4e731256777c3a0ce758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2393d2dfa633c39c1cfa190f01681139937489628b4e731256777c3a0ce758", kill_on_drop: false }`
[INFO] [stdout] 7d2393d2dfa633c39c1cfa190f01681139937489628b4e731256777c3a0ce758
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1771bf75db2c64fb79ec20f8840849ad4e1dfbdf0d046e6ec40fbdb0a90252e5
[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" "1771bf75db2c64fb79ec20f8840849ad4e1dfbdf0d046e6ec40fbdb0a90252e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/titlecase-8b4188bb091acf54
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test tests::a_thing ... ok
[INFO] [stdout] test tests::at_and_t2 ... ok
[INFO] [stdout] test tests::man_in_the_middle ... ok
[INFO] [stdout] test tests::at_and_t ... ok
[INFO] [stdout] test tests::a_subphrase_with_small_word_in_single_quotes ... ok
[INFO] [stdout] test tests::curly_double_quotes ... ok
[INFO] [stdout] test tests::paths ... ok
[INFO] [stdout] test tests::slashes ... ok
[INFO] [stdout] test tests::name_url ... ok
[INFO] [stdout] test tests::small_word_at_end ... ok
[INFO] [stdout] test tests::email ... ok
[INFO] [stdout] test tests::man_in_the_machine ... ok
[INFO] [stdout] test tests::dr_strangelove ... ok
[INFO] [stdout] test tests::iphone ... ok
[INFO] [stdout] test tests::multiple_brackets ... ok
[INFO] [stdout] test tests::thisvthat2 ... ok
[INFO] [stdout] test tests::subphrase_starting_with_small_word ... ok
[INFO] [stdout] test tests::thisvthat3 ... ok
[INFO] [stdout] test tests::all_in_double_quotes ... ok
[INFO] [stdout] test tests::subphrase_with_small_word_in_double_quotes ... ok
[INFO] [stdout] test tests::sec ... ok
[INFO] [stdout] test tests::thisvthat ... ok
[INFO] [stdout] test tests::trimming2 ... ok
[INFO] [stdout] test tests::trimming ... ok
[INFO] [stdout] test tests::yelling ... ok
[INFO] [stdout] test tests::thisvthat4 ... ok
[INFO] [stdout] test tests::trimming3 ... ok
[INFO] [stdout] test tests::subphrase_in_single_quotes ... ok
[INFO] [stdout] test tests::subphrase_with_small_word_in_single_quotes ... ok
[INFO] [stdout] test tests::url ... ok
[INFO] [stdout] test tests::subphrase_in_double_quotes ... ok
[INFO] [stdout] test tests::brackets ... ok
[INFO] [stdout] test tests::curly_single_quotes ... ok
[INFO] [stdout] test tests::small_word_at_start_in_quotes ... ok
[INFO] [stdout] test tests::q_and_a ... ok
[INFO] [stdout] test tests::markdown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/titlecase-0b060e5b2778f145
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests titlecase
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - titlecase (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1771bf75db2c64fb79ec20f8840849ad4e1dfbdf0d046e6ec40fbdb0a90252e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1771bf75db2c64fb79ec20f8840849ad4e1dfbdf0d046e6ec40fbdb0a90252e5", kill_on_drop: false }`
[INFO] [stdout] 1771bf75db2c64fb79ec20f8840849ad4e1dfbdf0d046e6ec40fbdb0a90252e5