[INFO] fetching crate rustf8 0.9.1...
[INFO] testing rustf8-0.9.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rustf8 0.9.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustf8 0.9.1 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 rustf8 0.9.1
[INFO] finished tweaking crates.io crate rustf8 0.9.1
[INFO] tweaked toml for crates.io crate rustf8 0.9.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02994d4dc48a921dee70c009f42bb71b81819c73e9b248798a338f97b87f81f2
[INFO] running `Command { std: "docker" "start" "-a" "02994d4dc48a921dee70c009f42bb71b81819c73e9b248798a338f97b87f81f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02994d4dc48a921dee70c009f42bb71b81819c73e9b248798a338f97b87f81f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02994d4dc48a921dee70c009f42bb71b81819c73e9b248798a338f97b87f81f2", kill_on_drop: false }`
[INFO] [stdout] 02994d4dc48a921dee70c009f42bb71b81819c73e9b248798a338f97b87f81f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0f95f346ec5b5b10565e687ce56811d660cde5a898abf85ea0c4d219770f9ce3
[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" "0f95f346ec5b5b10565e687ce56811d660cde5a898abf85ea0c4d219770f9ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustf8 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "0f95f346ec5b5b10565e687ce56811d660cde5a898abf85ea0c4d219770f9ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f95f346ec5b5b10565e687ce56811d660cde5a898abf85ea0c4d219770f9ce3", kill_on_drop: false }`
[INFO] [stdout] 0f95f346ec5b5b10565e687ce56811d660cde5a898abf85ea0c4d219770f9ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1dcb7ac5c0dfe505c4a18bb36616124be079d6288ca4e9346cb349855fdb4caf
[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" "1dcb7ac5c0dfe505c4a18bb36616124be079d6288ca4e9346cb349855fdb4caf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustf8 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "1dcb7ac5c0dfe505c4a18bb36616124be079d6288ca4e9346cb349855fdb4caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dcb7ac5c0dfe505c4a18bb36616124be079d6288ca4e9346cb349855fdb4caf", kill_on_drop: false }`
[INFO] [stdout] 1dcb7ac5c0dfe505c4a18bb36616124be079d6288ca4e9346cb349855fdb4caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6decc45ebb1281f4962151a84933bb9944b5280bb5b1c071949d512c74ee91aa
[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" "6decc45ebb1281f4962151a84933bb9944b5280bb5b1c071949d512c74ee91aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustf8-d19d598871437560
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::_1_some_correct_utf_8_text ... ok
[INFO] [stdout] test tests::_2_1_first_possible_sequence_of_a_certain_length ... ok
[INFO] [stdout] test tests::unget ... ok
[INFO] [stdout] test tests::_2_2_last_possible_sequence_of_a_certain_length ... ok
[INFO] [stdout] test tests::_3_4_concatenation_of_incomplete_sequences ... ok
[INFO] [stdout] test tests::_4_2_maximum_overlong_sequences ... ok
[INFO] [stdout] test tests::_3_1_unexpected_continuation_bytes ... ok
[INFO] [stdout] test tests::_4_3_overlong_representation_of_the_nul_character ... ok
[INFO] [stdout] test tests::_2_3_other_boundary_conditions ... ok
[INFO] [stdout] test tests::tokenizer ... ok
[INFO] [stdout] test tests::_3_2_lonely_start_characters ... ok
[INFO] [stdout] test tests::_5_illegal_code_positions ... ok
[INFO] [stdout] test tests::read_from_file ... ok
[INFO] [stdout] test tests::read_file_with_errors ... ok
[INFO] [stdout] test tests::read_from_cursor ... ok
[INFO] [stdout] test tests::_4_1_examples_of_an_overlong_ascii_character ... ok
[INFO] [stdout] test tests::_3_3_sequences_with_last_continuation_byte_missing ... ok
[INFO] [stderr]    Doc-tests rustf8
[INFO] [stdout] test tests::unget_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Utf8Iterator (line 40) ... ok
[INFO] [stdout] test src/lib.rs - Utf8Iterator<R>::unget (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Utf8IteratorError (line 191) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6decc45ebb1281f4962151a84933bb9944b5280bb5b1c071949d512c74ee91aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6decc45ebb1281f4962151a84933bb9944b5280bb5b1c071949d512c74ee91aa", kill_on_drop: false }`
[INFO] [stdout] 6decc45ebb1281f4962151a84933bb9944b5280bb5b1c071949d512c74ee91aa