[INFO] fetching crate diskspace 0.5.0...
[INFO] testing diskspace-0.5.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate diskspace 0.5.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate diskspace 0.5.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1af7c8c92e644125b2900e90c2741f25d06eaaa4cf596052bb0afc1ca995583b
[INFO] running `Command { std: "docker" "start" "-a" "1af7c8c92e644125b2900e90c2741f25d06eaaa4cf596052bb0afc1ca995583b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1af7c8c92e644125b2900e90c2741f25d06eaaa4cf596052bb0afc1ca995583b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af7c8c92e644125b2900e90c2741f25d06eaaa4cf596052bb0afc1ca995583b", kill_on_drop: false }`
[INFO] [stdout] 1af7c8c92e644125b2900e90c2741f25d06eaaa4cf596052bb0afc1ca995583b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ba08e714bca01db0d4b7af6967f6bfe20503e0ed2a5eb630661d6a26d7eca8
[INFO] running `Command { std: "docker" "start" "-a" "b0ba08e714bca01db0d4b7af6967f6bfe20503e0ed2a5eb630661d6a26d7eca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> learning/ds5.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | /                     &children.push(thread::spawn(move || {
[INFO] [stdout] 61 | |                         visit_dirs(path.to_owned(), &mut child_mds);
[INFO] [stdout] 62 | |                         child_mds
[INFO] [stdout] 63 | |                     }));
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "b0ba08e714bca01db0d4b7af6967f6bfe20503e0ed2a5eb630661d6a26d7eca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ba08e714bca01db0d4b7af6967f6bfe20503e0ed2a5eb630661d6a26d7eca8", kill_on_drop: false }`
[INFO] [stdout] b0ba08e714bca01db0d4b7af6967f6bfe20503e0ed2a5eb630661d6a26d7eca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24b997837f8b785be39855141bd89e52fd4760262ccba0bc9c5a7801e3451360
[INFO] running `Command { std: "docker" "start" "-a" "24b997837f8b785be39855141bd89e52fd4760262ccba0bc9c5a7801e3451360", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> learning/ds5.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | /                     &children.push(thread::spawn(move || {
[INFO] [stdout] 61 | |                         visit_dirs(path.to_owned(), &mut child_mds);
[INFO] [stdout] 62 | |                         child_mds
[INFO] [stdout] 63 | |                     }));
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings 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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> learning/ds5.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | /                     &children.push(thread::spawn(move || {
[INFO] [stdout] 61 | |                         visit_dirs(path.to_owned(), &mut child_mds);
[INFO] [stdout] 62 | |                         child_mds
[INFO] [stdout] 63 | |                     }));
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings 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 2.74s
[INFO] running `Command { std: "docker" "inspect" "24b997837f8b785be39855141bd89e52fd4760262ccba0bc9c5a7801e3451360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b997837f8b785be39855141bd89e52fd4760262ccba0bc9c5a7801e3451360", kill_on_drop: false }`
[INFO] [stdout] 24b997837f8b785be39855141bd89e52fd4760262ccba0bc9c5a7801e3451360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4f7d2202ea11e6a19fce6c48e598302aab11e93932d1cb404c34a957395080e
[INFO] running `Command { std: "docker" "start" "-a" "d4f7d2202ea11e6a19fce6c48e598302aab11e93932d1cb404c34a957395080e", kill_on_drop: false }`
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `diskspace` (lib) generated 1 warning
[INFO] [stderr] warning: `diskspace` (lib test) generated 1 warning (1 duplicate)
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> learning/ds5.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 | /                     &children.push(thread::spawn(move || {
[INFO] [stderr] 61 | |                         visit_dirs(path.to_owned(), &mut child_mds);
[INFO] [stderr] 62 | |                         child_mds
[INFO] [stderr] 63 | |                     }));
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `diskspace` (bin "dsx" test) generated 2 warnings
[INFO] [stderr] warning: `diskspace` (bin "ds" test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `diskspace` (bin "dsx") generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `diskspace` (bin "ds") generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ds-09dd9e18652734f5)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test ds::tests::filesystem_device_error ... ok
[INFO] [stdout] test ds::tests::symlink_err ... ok
[INFO] [stdout] test ds::tests::display ... ok
[INFO] [stdout] test ds::tests::filesystem_device_enabled ... ok
[INFO] [stdout] test ds::tests::cast_ioerror ... ok
[INFO] [stdout] test ds::tests::display_verbose ... ok
[INFO] [stdout] test ds::tests::cast_mutex_error ... ok
[INFO] [stdout] test ds::tests::fmt_dserror ... ok
[INFO] [stdout] test ds::tests::filesystem_device_disabled ... ok
[INFO] [stdout] test ds::tests::increment_err ... ok
[INFO] [stdout] test report::tests::color_red ... ok
[INFO] [stdout] test report::tests::color_green ... ok
[INFO] [stdout] test report::tests::color_black ... ok
[INFO] [stdout] test report::tests::report_short_exclude ... ok
[INFO] [stdout] test report::tests::report_short_reverse ... ok
[INFO] [stdout] test report::tests::color_magenta ... ok
[INFO] [stdout] test report::tests::color_none ... ok
[INFO] [stdout] test report::tests::report_stdout ... ok
[INFO] [stdout] test report::tests::report_long ... ok
[INFO] [stdout] test report::tests::color_yellow ... ok
[INFO] [stdout] test report::tests::color_white ... ok
[INFO] [stdout] test report::tests::report_short ... ok
[INFO] [stdout] test report::tests::simple_units_mbytes ... ok
[INFO] [stdout] test report::tests::simple_units_kbytes_long ... ok
[INFO] [stdout] test report::tests::simple_units_kbytes ... ok
[INFO] [stdout] test report::tests::settings_reverse ... ok
[INFO] [stdout] test report::tests::simple_units_bytes ... ok
[INFO] [stdout] test report::tests::settings_lines_invalid_value ... ok
[INFO] [stdout] test report::tests::settings_lines ... ok
[INFO] [stdout] test report::tests::settings_defaults ... ok
[INFO] [stdout] test report::tests::color_blue ... ok
[INFO] [stdout] test report::tests::color_cyan ... ok
[INFO] [stdout] test report::tests::settings_exclude ... ok
[INFO] [stdout] test report::tests::settings_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ds-368a07e7a71c36a7)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test ds::tests::cast_mutex_error ... ok
[INFO] [stdout] test ds::tests::fmt_dserror ... ok
[INFO] [stdout] test cli::tests::check ... ok
[INFO] [stdout] test ds::tests::filesystem_device_enabled ... ok
[INFO] [stdout] test ds::tests::increment_err ... ok
[INFO] [stdout] test ds::tests::display_verbose ... ok
[INFO] [stdout] test ds::tests::filesystem_device_disabled ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dsx-c61fc0b8dab15ce0)
[INFO] [stdout] test cli::tests::dirs_default ... ok
[INFO] [stdout] test cli::tests::dirs ... ok
[INFO] [stdout] test report::tests::color_black ... ok
[INFO] [stdout] test ds::tests::cast_ioerror ... ok
[INFO] [stdout] test ds::tests::display ... ok
[INFO] [stdout] test ds::tests::filesystem_device_error ... ok
[INFO] [stdout] test report::tests::color_magenta ... ok
[INFO] [stdout] test report::tests::color_green ... ok
[INFO] [stdout] test report::tests::report_short ... ok
[INFO] [stdout] test report::tests::report_short_exclude ... ok
[INFO] [stdout] test report::tests::settings_exclude ... ok
[INFO] [stdout] test report::tests::simple_units_mbytes ... ok
[INFO] [stdout] test ds::tests::symlink_err ... ok
[INFO] [stdout] test report::tests::color_none ... ok
[INFO] [stdout] test report::tests::report_stdout ... ok
[INFO] [stdout] test report::tests::simple_units_bytes ... ok
[INFO] [stdout] test report::tests::color_cyan ... ok
[INFO] [stdout] test report::tests::color_red ... ok
[INFO] [stdout] test report::tests::settings_all ... ok
[INFO] [stdout] test report::tests::color_yellow ... ok
[INFO] [stdout] test report::tests::report_long ... ok
[INFO] [stdout] test report::tests::report_short_reverse ... ok
[INFO] [stdout] test report::tests::color_white ... ok
[INFO] [stdout] test report::tests::settings_reverse ... ok
[INFO] [stdout] test report::tests::settings_lines ... ok
[INFO] [stdout] test report::tests::settings_lines_invalid_value ... 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::settings_defaults ... ok
[INFO] [stdout] test report::tests::color_blue ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test report::tests::simple_units_bytes ... ok
[INFO] [stdout] test report::tests::simple_units_mbytes ... 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::color_yellow ... ok
[INFO] [stdout] test report::tests::report_short ... ok
[INFO] [stdout] test report::tests::report_short_reverse ... ok
[INFO] [stdout] test report::tests::color_black ... ok
[INFO] [stdout] test report::tests::report_long ... ok
[INFO] [stdout] test report::tests::color_magenta ... ok
[INFO] [stdout] test report::tests::color_cyan ... ok
[INFO] [stdout] test report::tests::color_blue ... ok
[INFO] [stdout] test report::tests::report_stdout ... ok
[INFO] [stdout] test report::tests::color_none ... ok
[INFO] [stdout] test report::tests::color_red ... ok
[INFO] [stdout] test report::tests::color_white ... ok
[INFO] [stdout] test ds3::tests::exercise ... ok
[INFO] [stdout] test report::tests::color_green ... ok
[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: ReadOnlyFilesystem, message: "Read-only file system" }', learning/ds1.rs:140:48
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5636c3d661a0 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5636c3d661a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5636c3d661a0 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5636c3d661a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5636c3d8a20c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x5636c3d62a85 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x5636c3d6832b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5636c3d6832b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5636c3d6832b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5636c3d67e3c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5636c3d689f4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5636c3d684d7 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5636c3d6667c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5636c3d68439 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x5636c3ba5531 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x5636c3ba5623 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x5636c3bb175e - core::result::Result<T,E>::unwrap::h82aed8e7f697a5f5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1281:23
[INFO] [stdout]   17:     0x5636c3bb72ae - dsx::ds1::tests::test_increment::h24dede4ff8fcc97b
[INFO] [stdout]                                at /opt/rustwide/workdir/learning/ds1.rs:140:24
[INFO] [stdout]   18:     0x5636c3bb726a - dsx::ds1::tests::test_increment::{{closure}}::h50b819f20451d412
[INFO] [stdout]                                at /opt/rustwide/workdir/learning/ds1.rs:138:5
[INFO] [stdout]   19:     0x5636c3bc7f0e - core::ops::function::FnOnce::call_once::h2863fe4b34f49b1c
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5636c3c0f2c3 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x5636c3c0f2c3 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x5636c3c0dd78 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x5636c3c0dd78 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x5636c3c0dd78 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x5636c3c0dd78 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x5636c3c0dd78 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x5636c3c0dd78 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x5636c3c0dd78 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x5636c3bdc50d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x5636c3bdc50d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x5636c3be0cd8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x5636c3be0cd8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x5636c3be0cd8 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x5636c3be0cd8 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x5636c3be0cd8 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x5636c3be0cd8 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x5636c3be0cd8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x5636c3d6dda7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x5636c3d6dda7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x5636c3d6dda7 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7f5e08447609 - start_thread
[INFO] [stdout]   42:     0x7f5e08219293 - 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; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin dsx'
[INFO] running `Command { std: "docker" "inspect" "d4f7d2202ea11e6a19fce6c48e598302aab11e93932d1cb404c34a957395080e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f7d2202ea11e6a19fce6c48e598302aab11e93932d1cb404c34a957395080e", kill_on_drop: false }`
[INFO] [stdout] d4f7d2202ea11e6a19fce6c48e598302aab11e93932d1cb404c34a957395080e
