[INFO] fetching crate du-dust 0.5.3...
[INFO] testing du-dust-0.5.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate du-dust 0.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate du-dust 0.5.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-4/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lscolors v0.7.1
[INFO] [stderr]   Downloaded thousands v0.2.0
[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" "+beta-2021-01-01" "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] a04f6a0e64ee8360282d07f48c856875932a434248c8e71840071ea12ea5c550
[INFO] running `Command { std: "docker" "start" "-a" "a04f6a0e64ee8360282d07f48c856875932a434248c8e71840071ea12ea5c550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a04f6a0e64ee8360282d07f48c856875932a434248c8e71840071ea12ea5c550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04f6a0e64ee8360282d07f48c856875932a434248c8e71840071ea12ea5c550", kill_on_drop: false }`
[INFO] [stdout] a04f6a0e64ee8360282d07f48c856875932a434248c8e71840071ea12ea5c550
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dd51d881d698fa8cf56e8fdd0c4e1f038d67220febb46e680b0d63091de4842
[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" "7dd51d881d698fa8cf56e8fdd0c4e1f038d67220febb46e680b0d63091de4842", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling lscolors v0.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling bstr v0.2.13
[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 crossbeam-channel v0.4.3
[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 45.09s
[INFO] running `Command { std: "docker" "inspect" "7dd51d881d698fa8cf56e8fdd0c4e1f038d67220febb46e680b0d63091de4842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd51d881d698fa8cf56e8fdd0c4e1f038d67220febb46e680b0d63091de4842", kill_on_drop: false }`
[INFO] [stdout] 7dd51d881d698fa8cf56e8fdd0c4e1f038d67220febb46e680b0d63091de4842
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7955da9a4165164674f9ef87e6819581b75126a89ffc4d125316cf2ca6ef650a
[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" "7955da9a4165164674f9ef87e6819581b75126a89ffc4d125316cf2ca6ef650a", 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 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] [stdout] warning: unused import: `std::panic`
[INFO] [stdout]  --> tests/tests_symlinks.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::panic;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic`
[INFO] [stdout]  --> tests/tests_symlinks.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::panic;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `Command { std: "docker" "inspect" "7955da9a4165164674f9ef87e6819581b75126a89ffc4d125316cf2ca6ef650a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7955da9a4165164674f9ef87e6819581b75126a89ffc4d125316cf2ca6ef650a", kill_on_drop: false }`
[INFO] [stdout] 7955da9a4165164674f9ef87e6819581b75126a89ffc4d125316cf2ca6ef650a
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfce1756e6fe89e1ded56d1f116275a3d31fb1ff505df5b5e51c5c51ba252b29
[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" "bfce1756e6fe89e1ded56d1f116275a3d31fb1ff505df5b5e51c5c51ba252b29", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::panic`
[INFO] [stderr]  --> tests/tests_symlinks.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::panic;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::panic`
[INFO] [stderr]  --> tests/tests_symlinks.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::panic;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dust-bdee79e2b23aac0b
[INFO] [stdout] running 13 tests
[INFO] [stdout] test display::tests::test_human_readable_number ... 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 ... ok
[INFO] [stdout] test utils::tests::test_simplify_dir_dots ... ok
[INFO] [stdout] test display::tests::test_format_str ... ok
[INFO] [stdout] test utils::tests::test_should_ignore_file_on_different_device ... 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] test utils::tests::test_simplify_dir_rm_subdir ... ok
[INFO] [stdout] test utils::tests::test_simplify_dir_duplicates ... ok
[INFO] [stdout] test display::tests::test_format_str_long_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration-0ad75502855eea43
[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]      Running /opt/rustwide/target/debug/deps/test_exact_output-debf3e68014ee33f
[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_unicode_directories ... ok
[INFO] [stdout] test test_substring_of_names_and_long_names ... ok
[INFO] [stdout] test test_main_multi_arg ... ok
[INFO] [stdout] test test_apparent_size ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_flags-f54d5b2c88222f8a
[INFO] [stdout] test test_main_basic ... ok
[INFO] [stdout] test test_main_long_paths ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_output_no_bars_means_no_excess_spaces ... ok
[INFO] [stdout] test test_basic_output ... ok
[INFO] [stdout] test test_with_bad_param ... ok
[INFO] [stdout] test test_ignore_dir ... ok
[INFO] [stdout] test test_d_flag_works ... ok
[INFO] [stdout] test test_number_of_files ... ok
[INFO] [stdout] test test_reverse_flag ... 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; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests_symlinks-b0cce0344559555e
[INFO] [stdout] test test_recursive_sym_link ... ok
[INFO] [stdout] test test_hard_sym_link ... ok
[INFO] [stdout] test test_soft_sym_link ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bfce1756e6fe89e1ded56d1f116275a3d31fb1ff505df5b5e51c5c51ba252b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfce1756e6fe89e1ded56d1f116275a3d31fb1ff505df5b5e51c5c51ba252b29", kill_on_drop: false }`
[INFO] [stdout] bfce1756e6fe89e1ded56d1f116275a3d31fb1ff505df5b5e51c5c51ba252b29