[INFO] fetching crate du-dust 0.5.3...
[INFO] testing du-dust-0.5.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate du-dust 0.5.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate du-dust 0.5.3 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 du-dust 0.5.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate du-dust 0.5.3
[INFO] tweaked toml for crates.io crate du-dust 0.5.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate du-dust 0.5.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2b73f16e575f279240497bd82ee1b95ce56cae966870552566d0ab7e3864b334
[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" "2b73f16e575f279240497bd82ee1b95ce56cae966870552566d0ab7e3864b334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b73f16e575f279240497bd82ee1b95ce56cae966870552566d0ab7e3864b334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b73f16e575f279240497bd82ee1b95ce56cae966870552566d0ab7e3864b334", kill_on_drop: false }`
[INFO] [stdout] 2b73f16e575f279240497bd82ee1b95ce56cae966870552566d0ab7e3864b334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] aab237b79273e8da3e991c4ff2c581dc490a7ee0070e88cd10f1b48bad813dfa
[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" "aab237b79273e8da3e991c4ff2c581dc490a7ee0070e88cd10f1b48bad813dfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling lscolors v0.7.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling du-dust v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.76s
[INFO] running `Command { std: "docker" "inspect" "aab237b79273e8da3e991c4ff2c581dc490a7ee0070e88cd10f1b48bad813dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab237b79273e8da3e991c4ff2c581dc490a7ee0070e88cd10f1b48bad813dfa", kill_on_drop: false }`
[INFO] [stdout] aab237b79273e8da3e991c4ff2c581dc490a7ee0070e88cd10f1b48bad813dfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9c2a191a3e439eb4088db0c1f9e909c48e27d59ca7c84b4756682e8f606596fb
[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" "9c2a191a3e439eb4088db0c1f9e909c48e27d59ca7c84b4756682e8f606596fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling predicates v1.0.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling du-dust v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.96s
[INFO] running `Command { std: "docker" "inspect" "9c2a191a3e439eb4088db0c1f9e909c48e27d59ca7c84b4756682e8f606596fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2a191a3e439eb4088db0c1f9e909c48e27d59ca7c84b4756682e8f606596fb", kill_on_drop: false }`
[INFO] [stdout] 9c2a191a3e439eb4088db0c1f9e909c48e27d59ca7c84b4756682e8f606596fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d4d2616a522114b0cf5011a6f656c1acbb6bde832eb6495bf81cfbfa04363766
[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" "d4d2616a522114b0cf5011a6f656c1acbb6bde832eb6495bf81cfbfa04363766", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dust-c2986aac826f1af2
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration-38648d80ab1bc1fa
[INFO] [stdout] test display::tests::test_format_str ... ok
[INFO] [stdout] test display::tests::test_human_readable_number ... ok
[INFO] [stdout] test utils::tests::test_simplify_dir ... ok
[INFO] [stdout] test utils::tests::test_is_a_parent_of ... ok
[INFO] [stdout] test utils::tests::test_is_a_parent_of_root ... ok
[INFO] [stdout] test utils::tests::test_should_ignore_file ... ok
[INFO] [stdout] test utils::tests::test_simplify_dir_dots ... ok
[INFO] [stdout] test utils::tests::test_simplify_dir_duplicates ... ok
[INFO] [stdout] test display::tests::test_format_str_long_name ... ok
[INFO] [stdout] test utils::tests::test_should_ignore_file_on_different_device ... ok
[INFO] [stdout] test utils::tests::test_simplify_dir_rm_subdir ... ok
[INFO] [stdout] test utils::tests::test_simplify_dir_rm_subdir_and_not_substrings ... ok
[INFO] [stdout] test utils::tests::test_simplify_dir_substring_names ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_exact_output-655aa4560494b935
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests_symlinks::test_soft_sym_link ... ok
[INFO] [stdout] test tests_symlinks::test_recursive_sym_link ... ok
[INFO] [stdout] test tests_symlinks::test_hard_sym_link ... ok
[INFO] [stdout] test test_apparent_size ... ok
[INFO] [stdout] test test_unicode_directories ... ok
[INFO] [stdout] test test_main_long_paths ... ok
[INFO] [stdout] test test_main_multi_arg ... ok
[INFO] [stdout] test test_substring_of_names_and_long_names ... ok
[INFO] [stdout] test test_main_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_flags-fdb82a8b5acdca11
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_basic_output ... ok
[INFO] [stdout] test test_output_no_bars_means_no_excess_spaces ... ok
[INFO] [stdout] test test_d_flag_works ... ok
[INFO] [stdout] test test_reverse_flag ... ok
[INFO] [stdout] test test_number_of_files ... ok
[INFO] [stdout] test test_ignore_dir ... ok
[INFO] [stdout] test test_with_bad_param ... ok
[INFO] [stdout] test test_hidden_flag ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests_symlinks-00f000c4996c48c6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_soft_sym_link ... ok
[INFO] [stdout] test test_hard_sym_link ... ok
[INFO] [stdout] test test_recursive_sym_link ... 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" "d4d2616a522114b0cf5011a6f656c1acbb6bde832eb6495bf81cfbfa04363766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d2616a522114b0cf5011a6f656c1acbb6bde832eb6495bf81cfbfa04363766", kill_on_drop: false }`
[INFO] [stdout] d4d2616a522114b0cf5011a6f656c1acbb6bde832eb6495bf81cfbfa04363766