[INFO] fetching crate diskspace 0.5.0...
[INFO] testing diskspace-0.5.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate diskspace 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate diskspace 0.5.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diskspace 0.5.0
[INFO] finished tweaking crates.io crate diskspace 0.5.0
[INFO] tweaked toml for crates.io crate diskspace 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7912982d0c2036cc702a56bad1e03cc191f2a424b0037ca515ff1931976b39c
[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" "c7912982d0c2036cc702a56bad1e03cc191f2a424b0037ca515ff1931976b39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7912982d0c2036cc702a56bad1e03cc191f2a424b0037ca515ff1931976b39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7912982d0c2036cc702a56bad1e03cc191f2a424b0037ca515ff1931976b39c", kill_on_drop: false }`
[INFO] [stdout] c7912982d0c2036cc702a56bad1e03cc191f2a424b0037ca515ff1931976b39c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", 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] 7dcba2e58978c26edf39436f3a15c3d99934c229ae3731eb6e51bef0306971ec
[INFO] running `Command { std: "docker" "start" "-a" "7dcba2e58978c26edf39436f3a15c3d99934c229ae3731eb6e51bef0306971ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling diskspace v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/report.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     out: &mut io::Write,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/report.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     out: &mut io::Write,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> learning/report.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap<String, u64>, matches: &ArgMatches) {
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 dev [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "7dcba2e58978c26edf39436f3a15c3d99934c229ae3731eb6e51bef0306971ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcba2e58978c26edf39436f3a15c3d99934c229ae3731eb6e51bef0306971ec", kill_on_drop: false }`
[INFO] [stdout] 7dcba2e58978c26edf39436f3a15c3d99934c229ae3731eb6e51bef0306971ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a9d3adcc00a27cdae0259294a4f6c1086d5a1a73a2d4daa70f2123bb1b21abd
[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" "6a9d3adcc00a27cdae0259294a4f6c1086d5a1a73a2d4daa70f2123bb1b21abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling diskspace v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/report.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     out: &mut io::Write,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/report.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     out: &mut io::Write,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> learning/report.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap<String, u64>, matches: &ArgMatches) {
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> learning/report.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap<String, u64>, matches: &ArgMatches) {
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/report.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     out: &mut io::Write,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/report.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     out: &mut io::Write,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "6a9d3adcc00a27cdae0259294a4f6c1086d5a1a73a2d4daa70f2123bb1b21abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9d3adcc00a27cdae0259294a4f6c1086d5a1a73a2d4daa70f2123bb1b21abd", kill_on_drop: false }`
[INFO] [stdout] 6a9d3adcc00a27cdae0259294a4f6c1086d5a1a73a2d4daa70f2123bb1b21abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfaf8984545ec1c5ece30f898eb49366594455950e4cd7e1763b9456247a0fc0
[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" "bfaf8984545ec1c5ece30f898eb49366594455950e4cd7e1763b9456247a0fc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/report.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |     out: &mut io::Write,
[INFO] [stderr]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/report.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |     out: &mut io::Write,
[INFO] [stderr]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/report.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |     out: &mut io::Write,
[INFO] [stderr]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> learning/report.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap<String, u64>, matches: &ArgMatches) {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/report.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |     out: &mut io::Write,
[INFO] [stderr]    |               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> learning/report.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap<String, u64>, matches: &ArgMatches) {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ds-949521c3902ecd33
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test ds::tests::filesystem_device_disabled ... ok
[INFO] [stdout] test ds::tests::display ... ok
[INFO] [stdout] test ds::tests::filesystem_device_enabled ... ok
[INFO] [stdout] test ds::tests::cast_mutex_error ... ok
[INFO] [stdout] test ds::tests::filesystem_device_error ... ok
[INFO] [stdout] test ds::tests::cast_ioerror ... ok
[INFO] [stdout] test ds::tests::display_verbose ... ok
[INFO] [stdout] test ds::tests::fmt_dserror ... ok
[INFO] [stdout] test ds::tests::increment_err ... ok
[INFO] [stdout] test ds::tests::symlink_err ... ok
[INFO] [stdout] test report::tests::color_cyan ... ok
[INFO] [stdout] test report::tests::color_green ... ok
[INFO] [stdout] test report::tests::color_magenta ... ok
[INFO] [stdout] test report::tests::color_none ... ok
[INFO] [stdout] test report::tests::color_red ... ok
[INFO] [stdout] test report::tests::color_blue ... ok
[INFO] [stdout] test report::tests::color_black ... ok
[INFO] [stdout] test report::tests::color_yellow ... ok
[INFO] [stdout] test report::tests::report_short_exclude ... ok
[INFO] [stdout] test report::tests::color_white ... ok
[INFO] [stdout] test report::tests::report_short ... ok
[INFO] [stdout] test report::tests::settings_all ... ok
[INFO] [stdout] test report::tests::report_short_reverse ... ok
[INFO] [stdout] test report::tests::simple_units_kbytes_long ... ok
[INFO] [stdout] test report::tests::simple_units_mbytes ... ok
[INFO] [stdout] test report::tests::simple_units_bytes ... ok
[INFO] [stdout] test report::tests::settings_lines ... ok
[INFO] [stdout] test report::tests::settings_defaults ... ok
[INFO] [stdout] test report::tests::simple_units_kbytes ... ok
[INFO] [stdout] test report::tests::settings_exclude ... ok
[INFO] [stdout] test report::tests::report_long ... ok
[INFO] [stdout] test report::tests::settings_reverse ... ok
[INFO] [stdout] test report::tests::settings_lines_invalid_value ... ok
[INFO] [stdout] test report::tests::report_stdout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ds-104ad3363f35ca45
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test ds::tests::filesystem_device_enabled ... ok
[INFO] [stdout] test ds::tests::filesystem_device_disabled ... ok
[INFO] [stdout] test report::tests::color_magenta ... ok
[INFO] [stdout] test ds::tests::display_verbose ... ok
[INFO] [stdout] test ds::tests::fmt_dserror ... ok
[INFO] [stdout] test ds::tests::cast_mutex_error ... ok
[INFO] [stdout] test ds::tests::filesystem_device_error ... ok
[INFO] [stdout] test ds::tests::cast_ioerror ... ok
[INFO] [stdout] test ds::tests::display ... ok
[INFO] [stdout] test ds::tests::symlink_err ... ok
[INFO] [stdout] test ds::tests::increment_err ... ok
[INFO] [stdout] test report::tests::color_green ... ok
[INFO] [stdout] test report::tests::color_white ... ok
[INFO] [stdout] test report::tests::color_none ... ok
[INFO] [stdout] test report::tests::color_red ... ok
[INFO] [stdout] test cli::tests::dirs ... ok
[INFO] [stdout] test report::tests::color_blue ... ok
[INFO] [stdout] test report::tests::color_cyan ... ok
[INFO] [stdout] test report::tests::color_black ... ok
[INFO] [stdout] test report::tests::color_yellow ... ok
[INFO] [stdout] test cli::tests::dirs_default ... ok
[INFO] [stdout] test report::tests::simple_units_bytes ... ok
[INFO] [stdout] test report::tests::settings_all ... ok
[INFO] [stdout] test report::tests::settings_reverse ... ok
[INFO] [stdout] test report::tests::report_short_reverse ... ok
[INFO] [stdout] test report::tests::report_stdout ... ok
[INFO] [stdout] test report::tests::settings_lines_invalid_value ... ok
[INFO] [stdout] test report::tests::settings_defaults ... ok
[INFO] [stdout] test report::tests::report_short_exclude ... ok
[INFO] [stdout] test report::tests::settings_lines ... ok
[INFO] [stdout] test report::tests::simple_units_kbytes ... ok
[INFO] [stdout] test report::tests::simple_units_kbytes_long ... ok
[INFO] [stdout] test report::tests::report_short ... ok
[INFO] [stdout] test report::tests::settings_exclude ... ok
[INFO] [stdout] test report::tests::simple_units_mbytes ... ok
[INFO] [stdout] test report::tests::report_long ... ok
[INFO] [stdout] test cli::tests::check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test report::tests::color_white ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dsx-d1c7500ca93bce2c
[INFO] [stdout] test report::tests::simple_units_kbytes ... ok
[INFO] [stdout] test report::tests::simple_units_bytes ... ok
[INFO] [stdout] test report::tests::color_red ... ok
[INFO] [stdout] test report::tests::simple_units_kbytes_long ... ok
[INFO] [stdout] test report::tests::simple_units_mbytes ... ok
[INFO] [stdout] test report::tests::color_cyan ... ok
[INFO] [stdout] test report::tests::report_long ... ok
[INFO] [stdout] test report::tests::color_black ... ok
[INFO] [stdout] test ds3::tests::exercise ... ok
[INFO] [stdout] test report::tests::color_green ... ok
[INFO] [stdout] test report::tests::report_short ... ok
[INFO] [stdout] test report::tests::color_yellow ... ok
[INFO] [stdout] test report::tests::color_blue ... ok
[INFO] [stdout] test report::tests::color_none ... ok
[INFO] [stdout] test report::tests::report_short_reverse ... ok
[INFO] [stdout] test report::tests::report_stdout ... ok
[INFO] [stdout] test report::tests::color_magenta ... ok
[INFO] [stderr] error: test failed, to rerun pass '--bin dsx'
[INFO] [stdout] test ds1::tests::test_increment ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- ds1::tests::test_increment stdout ----
[INFO] [stdout] thread 'ds1::tests::test_increment' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', learning/ds1.rs:140:48
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5604644306b0 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5604644306b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5604644306b0 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5604644306b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x56046445559c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x560464289b95 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x56046442a371 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x560464432b30 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x560464432b30 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x560464432b30 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x560464432826 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x560464433193 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x560464432d69 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x560464430b3c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x560464432d29 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x560464453e51 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x560464453c73 - core::option::expect_none_failed::h448b58a024c2c33a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
[INFO] [stdout]   17:     0x56046426d37b - core::result::Result<T,E>::unwrap::h8e5528d212e7c76f
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/result.rs:973
[INFO] [stdout]   18:     0x56046427e395 - dsx::ds1::tests::test_increment::h8cd5b907275c5339
[INFO] [stdout]                                at /opt/rustwide/workdir/learning/ds1.rs:140
[INFO] [stdout]   19:     0x56046427e33a - dsx::ds1::tests::test_increment::{{closure}}::h4e91a4d5854886c6
[INFO] [stdout]                                at /opt/rustwide/workdir/learning/ds1.rs:138
[INFO] [stdout]   20:     0x5604642869ee - core::ops::function::FnOnce::call_once::hc0ae208360f99af5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   21:     0x5604642b2473 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   22:     0x5604642b2473 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   23:     0x5604642b0943 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   24:     0x5604642b0943 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   25:     0x5604642b0943 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   26:     0x5604642b0943 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   27:     0x5604642b0943 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   28:     0x5604642b0943 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   29:     0x5604642b0943 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   30:     0x560464288fc6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   31:     0x56046428e1f5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   32:     0x56046428e1f5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   33:     0x56046428e1f5 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   34:     0x56046428e1f5 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   35:     0x56046428e1f5 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   36:     0x56046428e1f5 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   37:     0x56046428e1f5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   38:     0x56046443a28a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   39:     0x56046443a28a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   40:     0x56046443a28a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   41:     0x7fc1a842d609 - start_thread
[INFO] [stdout]   42:     0x7fc1a8339103 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     ds1::tests::test_increment
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 18 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bfaf8984545ec1c5ece30f898eb49366594455950e4cd7e1763b9456247a0fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfaf8984545ec1c5ece30f898eb49366594455950e4cd7e1763b9456247a0fc0", kill_on_drop: false }`
[INFO] [stdout] bfaf8984545ec1c5ece30f898eb49366594455950e4cd7e1763b9456247a0fc0
