[INFO] fetching crate diskspace 0.5.0... [INFO] testing diskspace-0.5.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate diskspace 0.5.0 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate diskspace 0.5.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b8560c1daa3bb1f566bc2dc74aa951d52c62f84037038c72326f81139d18c13 [INFO] running `Command { std: "docker" "start" "-a" "5b8560c1daa3bb1f566bc2dc74aa951d52c62f84037038c72326f81139d18c13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b8560c1daa3bb1f566bc2dc74aa951d52c62f84037038c72326f81139d18c13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b8560c1daa3bb1f566bc2dc74aa951d52c62f84037038c72326f81139d18c13", kill_on_drop: false }` [INFO] [stdout] 5b8560c1daa3bb1f566bc2dc74aa951d52c62f84037038c72326f81139d18c13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2c8b75ac4b4bd41d4fc4d47acf45d3cd2ae4e33c434eb0bce6572504ee146be [INFO] running `Command { std: "docker" "start" "-a" "b2c8b75ac4b4bd41d4fc4d47acf45d3cd2ae4e33c434eb0bce6572504ee146be", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [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] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 - out: &mut io::Write, [INFO] [stdout] 62 + out: &mut dyn io::Write, [INFO] [stdout] | [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] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 - out: &mut io::Write, [INFO] [stdout] 62 + out: &mut dyn io::Write, [INFO] [stdout] | [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, matches: &ArgMatches) { [INFO] [stdout] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 - pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap, matches: &ArgMatches) { [INFO] [stdout] 24 + pub fn report_stream(out: &mut dyn io::Write, disk_space: BTreeMap, matches: &ArgMatches) { [INFO] [stdout] | [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] | |_______________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 60 | let _ = &children.push(thread::spawn(move || { [INFO] [stdout] | +++++++ [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 7.53s [INFO] running `Command { std: "docker" "inspect" "b2c8b75ac4b4bd41d4fc4d47acf45d3cd2ae4e33c434eb0bce6572504ee146be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2c8b75ac4b4bd41d4fc4d47acf45d3cd2ae4e33c434eb0bce6572504ee146be", kill_on_drop: false }` [INFO] [stdout] b2c8b75ac4b4bd41d4fc4d47acf45d3cd2ae4e33c434eb0bce6572504ee146be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9514b1c8f60f9cbb5e3fc536de1a8a72e974f98799119b21bcfd6f2863e9f07f [INFO] running `Command { std: "docker" "start" "-a" "9514b1c8f60f9cbb5e3fc536de1a8a72e974f98799119b21bcfd6f2863e9f07f", 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] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 - out: &mut io::Write, [INFO] [stdout] 62 + out: &mut dyn io::Write, [INFO] [stdout] | [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] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 - out: &mut io::Write, [INFO] [stdout] 62 + out: &mut dyn io::Write, [INFO] [stdout] | [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, matches: &ArgMatches) { [INFO] [stdout] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 - pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap, matches: &ArgMatches) { [INFO] [stdout] 24 + pub fn report_stream(out: &mut dyn io::Write, disk_space: BTreeMap, matches: &ArgMatches) { [INFO] [stdout] | [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] | |_______________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 60 | let _ = &children.push(thread::spawn(move || { [INFO] [stdout] | +++++++ [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] --> learning/report.rs:24:32 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap, matches: &ArgMatches) { [INFO] [stdout] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 - pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap, matches: &ArgMatches) { [INFO] [stdout] 24 + pub fn report_stream(out: &mut dyn io::Write, disk_space: BTreeMap, matches: &ArgMatches) { [INFO] [stdout] | [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] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 - out: &mut io::Write, [INFO] [stdout] 62 + out: &mut dyn io::Write, [INFO] [stdout] | [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] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 - out: &mut io::Write, [INFO] [stdout] 62 + out: &mut dyn io::Write, [INFO] [stdout] | [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] | |_______________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 60 | let _ = &children.push(thread::spawn(move || { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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 test [unoptimized + debuginfo] target(s) in 1.73s [INFO] running `Command { std: "docker" "inspect" "9514b1c8f60f9cbb5e3fc536de1a8a72e974f98799119b21bcfd6f2863e9f07f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9514b1c8f60f9cbb5e3fc536de1a8a72e974f98799119b21bcfd6f2863e9f07f", kill_on_drop: false }` [INFO] [stdout] 9514b1c8f60f9cbb5e3fc536de1a8a72e974f98799119b21bcfd6f2863e9f07f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 501796c8530ec4c6102606de6cbae742054197dfcc61aa89123fc1baa6121cd1 [INFO] running `Command { std: "docker" "start" "-a" "501796c8530ec4c6102606de6cbae742054197dfcc61aa89123fc1baa6121cd1", 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] | ^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 62 - out: &mut io::Write, [INFO] [stderr] 62 + out: &mut dyn io::Write, [INFO] [stderr] | [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, matches: &ArgMatches) { [INFO] [stderr] | ^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 24 - pub fn report_stream(out: &mut io::Write, disk_space: BTreeMap, matches: &ArgMatches) { [INFO] [stderr] 24 + pub fn report_stream(out: &mut dyn io::Write, disk_space: BTreeMap, matches: &ArgMatches) { [INFO] [stderr] | [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] | |_______________________^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 60 | let _ = &children.push(thread::spawn(move || { [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `diskspace` (bin "ds" test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `diskspace` (bin "dsx") generated 2 warnings [INFO] [stderr] warning: `diskspace` (bin "ds") generated 1 warning (1 duplicate) [INFO] [stderr] warning: `diskspace` (bin "dsx" test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ds-abb2c0f811f12b54) [INFO] [stdout] [INFO] [stdout] running 34 tests [INFO] [stdout] test ds::tests::cast_ioerror ... ok [INFO] [stdout] test ds::tests::display ... ok [INFO] [stdout] test ds::tests::cast_mutex_error ... ok [INFO] [stdout] test ds::tests::filesystem_device_disabled ... ok [INFO] [stdout] test ds::tests::display_verbose ... ok [INFO] [stdout] test ds::tests::fmt_dserror ... ok [INFO] [stdout] test ds::tests::filesystem_device_enabled ... ok [INFO] [stdout] test ds::tests::filesystem_device_error ... ok [INFO] [stdout] test ds::tests::symlink_err ... ok [INFO] [stdout] test ds::tests::increment_err ... ok [INFO] [stdout] test report::tests::color_none ... ok [INFO] [stdout] test report::tests::color_blue ... ok [INFO] [stdout] test report::tests::color_black ... ok [INFO] [stdout] test report::tests::color_cyan ... ok [INFO] [stdout] test report::tests::color_green ... ok [INFO] [stdout] test report::tests::color_red ... ok [INFO] [stdout] test report::tests::color_magenta ... ok [INFO] [stdout] test report::tests::color_white ... 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::report_long ... ok [INFO] [stdout] test report::tests::report_short_exclude ... ok [INFO] [stdout] test report::tests::settings_all ... ok [INFO] [stdout] test report::tests::report_stdout ... ok [INFO] [stdout] test report::tests::settings_defaults ... 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_bytes ... ok [INFO] [stdout] test report::tests::settings_exclude ... 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::simple_units_mbytes ... ok [INFO] [stdout] test report::tests::settings_reverse ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ds-6dd5a14a53b195bc) [INFO] [stdout] [INFO] [stdout] running 37 tests [INFO] [stdout] test ds::tests::cast_ioerror ... ok [INFO] [stdout] test cli::tests::dirs_default ... ok [INFO] [stdout] test ds::tests::display ... ok [INFO] [stdout] test ds::tests::cast_mutex_error ... ok [INFO] [stdout] test ds::tests::display_verbose ... ok [INFO] [stdout] test cli::tests::dirs ... ok [INFO] [stdout] test ds::tests::filesystem_device_disabled ... ok [INFO] [stdout] test cli::tests::check ... ok [INFO] [stdout] test ds::tests::fmt_dserror ... ok [INFO] [stdout] test ds::tests::filesystem_device_enabled ... ok [INFO] [stdout] test ds::tests::filesystem_device_error ... ok [INFO] [stdout] test ds::tests::increment_err ... ok [INFO] [stdout] test ds::tests::symlink_err ... ok [INFO] [stdout] test report::tests::color_black ... ok [INFO] [stdout] test report::tests::color_blue ... ok [INFO] [stdout] test report::tests::color_cyan ... ok [INFO] [stdout] test report::tests::color_green ... ok [INFO] [stdout] test report::tests::color_none ... ok [INFO] [stdout] test report::tests::color_magenta ... ok [INFO] [stdout] test report::tests::color_red ... ok [INFO] [stdout] test report::tests::color_white ... ok [INFO] [stdout] test report::tests::color_yellow ... ok [INFO] [stdout] test report::tests::report_short ... ok [INFO] [stdout] test report::tests::report_long ... ok [INFO] [stdout] test report::tests::report_short_reverse ... ok [INFO] [stdout] test report::tests::report_short_exclude ... ok [INFO] [stdout] test report::tests::report_stdout ... ok [INFO] [stdout] test report::tests::settings_defaults ... ok [INFO] [stdout] test report::tests::settings_all ... ok [INFO] [stdout] test report::tests::settings_lines ... 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_reverse ... 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::simple_units_mbytes ... ok [INFO] [stdout] test report::tests::settings_exclude ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dsx-a449669f1ac1724e) [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test report::tests::color_black ... ok [INFO] [stdout] test report::tests::color_cyan ... ok [INFO] [stdout] test report::tests::color_blue ... ok [INFO] [stdout] test report::tests::color_green ... ok [INFO] [stdout] test ds3::tests::exercise ... ok [INFO] [stdout] test report::tests::color_yellow ... ok [INFO] [stdout] test report::tests::color_white ... 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::report_short ... ok [INFO] [stdout] test report::tests::report_stdout ... ok [INFO] [stdout] test report::tests::report_short_reverse ... ok [INFO] [stdout] test report::tests::report_long ... ok [INFO] [stdout] test report::tests::simple_units_bytes ... 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::simple_units_mbytes ... 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: 0x564e02c0b05d - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x564e02c0b05d - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x564e02c0b05d - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x564e02c0b05d - ::fmt::h606862f787600875 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x564e02c31a9c - core::fmt::write::he803f0f418caf762 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x564e02c06248 - std::io::Write::write_fmt::hbe7c1a63616291e2 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x564e02c0d337 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x564e02c0d337 - std::sys_common::backtrace::print::h359300b4a7fccf65 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x564e02c0d337 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x564e02c0d06c - std::panicking::default_hook::h03ca0f22e1d2d25e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x564e02c0da89 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x564e02c0d777 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x564e02c0b524 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x564e02c0d489 - rust_begin_unwind [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x564e02a482a3 - core::panicking::panic_fmt::he1bbc7336d49a357 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x564e02a48393 - core::result::unwrap_failed::h719f957ed74f93fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x564e02a575c9 - core::result::Result::unwrap::h07579e01ab9b9bec [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1065:23 [INFO] [stdout] 17: 0x564e02a59be8 - dsx::ds1::tests::test_increment::hde83aee519207b6d [INFO] [stdout] at /opt/rustwide/workdir/learning/ds1.rs:140:24 [INFO] [stdout] 18: 0x564e02a59b7a - dsx::ds1::tests::test_increment::{{closure}}::h84e20f772c4a24f6 [INFO] [stdout] at /opt/rustwide/workdir/learning/ds1.rs:138:5 [INFO] [stdout] 19: 0x564e02a6888e - core::ops::function::FnOnce::call_once::hb4cefce291e061d8 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x564e02aa8cc3 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x564e02aa8cc3 - test::__rust_begin_short_backtrace::h594ef8055a183b9b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5 [INFO] [stdout] 22: 0x564e02aa79a4 - as core::ops::function::FnOnce>::call_once::hb40cbb8bc3e1be15 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 23: 0x564e02aa79a4 - as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x564e02aa79a4 - std::panicking::try::do_call::h92af9f8bc77a5987 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x564e02aa79a4 - std::panicking::try::h9df49eeae42572b7 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x564e02aa79a4 - std::panic::catch_unwind::h101dbadc82bbe0fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x564e02aa79a4 - test::run_test_in_process::h2ad7bffb068e750a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18 [INFO] [stdout] 28: 0x564e02aa79a4 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x564e02ab12c1 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x564e02ab12c1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x564e02a7d93f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x564e02a7d93f - as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x564e02a7d93f - std::panicking::try::do_call::h6d5dc1045d0eade8 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x564e02a7d93f - std::panicking::try::hbc897fc717ec6571 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x564e02a7d93f - std::panic::catch_unwind::h27f1e958c91391ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x564e02a7d93f - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x564e02a7d93f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x564e02c13d43 - as core::ops::function::FnOnce>::call_once::hf70ac038171e3e1a [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 39: 0x564e02c13d43 - as core::ops::function::FnOnce>::call_once::he6690128792365ad [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9 [INFO] [stdout] 40: 0x564e02c13d43 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fecfdcfa609 - start_thread [INFO] [stdout] 42: 0x7fecfdaca163 - clone [INFO] [stdout] 43: 0x0 - [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 0.02s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin dsx' [INFO] running `Command { std: "docker" "inspect" "501796c8530ec4c6102606de6cbae742054197dfcc61aa89123fc1baa6121cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "501796c8530ec4c6102606de6cbae742054197dfcc61aa89123fc1baa6121cd1", kill_on_drop: false }` [INFO] [stdout] 501796c8530ec4c6102606de6cbae742054197dfcc61aa89123fc1baa6121cd1