[INFO] fetching crate xwords 0.3.1... [INFO] testing xwords-0.3.1 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate xwords 0.3.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate xwords 0.3.1 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 xwords 0.3.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate xwords 0.3.1 [INFO] tweaked toml for crates.io crate xwords 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate xwords 0.3.1 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] Downloading crates ... [INFO] [stderr] Downloaded str_stack v0.1.0 [INFO] [stderr] Downloaded msvc-demangler v0.8.0 [INFO] [stderr] Downloaded quick-xml v0.19.0 [INFO] [stderr] Downloaded symbolic-demangle v7.5.0 [INFO] [stderr] Downloaded inferno v0.10.1 [INFO] [stderr] Downloaded cpp_demangle v0.3.1 [INFO] [stderr] Downloaded symbolic-common v7.5.0 [INFO] [stderr] Downloaded pprof v0.3.18 [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" "+beta-2021-09-08" "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] c83844910930a7073feb8ccf5da7edbfdca5f092e55e918acd59f0ff9b4fa6b3 [INFO] running `Command { std: "docker" "start" "-a" "c83844910930a7073feb8ccf5da7edbfdca5f092e55e918acd59f0ff9b4fa6b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c83844910930a7073feb8ccf5da7edbfdca5f092e55e918acd59f0ff9b4fa6b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c83844910930a7073feb8ccf5da7edbfdca5f092e55e918acd59f0ff9b4fa6b3", kill_on_drop: false }` [INFO] [stdout] c83844910930a7073feb8ccf5da7edbfdca5f092e55e918acd59f0ff9b4fa6b3 [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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac8f4cab1576e43b7f50f8bdca38baa661d746e1c82a38f650393d1a22f6dbb0 [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" "ac8f4cab1576e43b7f50f8bdca38baa661d746e1c82a38f650393d1a22f6dbb0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling syn v1.0.50 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling object v0.22.0 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling uuid v0.8.1 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cc v1.0.65 [INFO] [stderr] Compiling smallvec v1.5.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling bytemuck v1.4.1 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling pprof v0.3.18 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling str_stack v0.1.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling cpp_demangle v0.3.1 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling debugid v0.7.2 [INFO] [stderr] Compiling rgb v0.8.25 [INFO] [stderr] Compiling msvc-demangler v0.8.0 [INFO] [stderr] Compiling num-format v0.4.0 [INFO] [stderr] Compiling quick-xml v0.19.0 [INFO] [stderr] Compiling symbolic-demangle v7.5.0 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling parking_lot_core v0.8.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling addr2line v0.14.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling const-random-macro v0.1.12 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling backtrace v0.3.55 [INFO] [stderr] Compiling const-random v0.1.12 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling ahash v0.4.6 [INFO] [stderr] Compiling inferno v0.10.1 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling symbolic-common v7.5.0 [INFO] [stderr] Compiling thiserror v1.0.22 [INFO] [stderr] Compiling bincode v1.3.1 [INFO] [stderr] Compiling xwords v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 52s [INFO] running `Command { std: "docker" "inspect" "ac8f4cab1576e43b7f50f8bdca38baa661d746e1c82a38f650393d1a22f6dbb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac8f4cab1576e43b7f50f8bdca38baa661d746e1c82a38f650393d1a22f6dbb0", kill_on_drop: false }` [INFO] [stdout] ac8f4cab1576e43b7f50f8bdca38baa661d746e1c82a38f650393d1a22f6dbb0 [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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a435fb67e0505e0cf9bbcda2643f413fee388f59bccacb1577de439f59938478 [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" "a435fb67e0505e0cf9bbcda2643f413fee388f59bccacb1577de439f59938478", kill_on_drop: false }` [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling half v1.6.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling oorandom v11.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling crossbeam-epoch v0.9.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling criterion v0.3.3 [INFO] [stderr] Compiling xwords v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 31.18s [INFO] running `Command { std: "docker" "inspect" "a435fb67e0505e0cf9bbcda2643f413fee388f59bccacb1577de439f59938478", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a435fb67e0505e0cf9bbcda2643f413fee388f59bccacb1577de439f59938478", kill_on_drop: false }` [INFO] [stdout] a435fb67e0505e0cf9bbcda2643f413fee388f59bccacb1577de439f59938478 [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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 339b42164b6e1df88cab179c1ed16907b8c54163e5251943a17ef42878fb0262 [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" "339b42164b6e1df88cab179c1ed16907b8c54163e5251943a17ef42878fb0262", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/xwords-77c917532dfcb470) [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test trie::tests::rebuild_serialized_trie ... ignored [INFO] [stdout] test crossword::tests::it_works ... ok [INFO] [stdout] test parse::tests::parse_word_boundaries_works ... ok [INFO] [stdout] test crossword::tests::crossword_iterator_eq_works ... ok [INFO] [stdout] test fill::filler::tests::test ... ok [INFO] [stdout] test trie::tests::add_sequence_works ... ok [INFO] [stdout] test trie::tests::display_works ... ok [INFO] [stdout] test trie::tests::words_works ... ok [INFO] [stdout] test fill::tests::fill_one_word_works ... ok [INFO] [stdout] test crossword::tests::crossword_iterator_works ... ok [INFO] [stdout] test parse::tests::parse_word_boundaries_big_grid ... ok [INFO] [stdout] test trie::tests::build_works ... ok [INFO] [stdout] test crossword::tests::crossword_iterator_hash_works ... ok [INFO] [stdout] test trie::tests::test_trie_load ... ok [INFO] [stdout] test fill::filler::tests::medium_grid ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 5.40s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/xwords-8d1c61aff630e66d) [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] [stderr] Doc-tests xwords [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" "339b42164b6e1df88cab179c1ed16907b8c54163e5251943a17ef42878fb0262", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "339b42164b6e1df88cab179c1ed16907b8c54163e5251943a17ef42878fb0262", kill_on_drop: false }` [INFO] [stdout] 339b42164b6e1df88cab179c1ed16907b8c54163e5251943a17ef42878fb0262