[INFO] fetching crate diskspace 0.5.0... [INFO] testing diskspace-0.5.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate diskspace 0.5.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate diskspace 0.5.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10eba8f77cd8fe40d03eeccf161bd1b3d2255506ec33453cd8d6261fd38c5d18 [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" "10eba8f77cd8fe40d03eeccf161bd1b3d2255506ec33453cd8d6261fd38c5d18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10eba8f77cd8fe40d03eeccf161bd1b3d2255506ec33453cd8d6261fd38c5d18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10eba8f77cd8fe40d03eeccf161bd1b3d2255506ec33453cd8d6261fd38c5d18", kill_on_drop: false }` [INFO] [stdout] 10eba8f77cd8fe40d03eeccf161bd1b3d2255506ec33453cd8d6261fd38c5d18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 790ea4ee1b89e81b209bad8fd72691da22c51a1a16d6f80f370cdff5b228ce53 [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" "790ea4ee1b89e81b209bad8fd72691da22c51a1a16d6f80f370cdff5b228ce53", kill_on_drop: false }` [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [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 [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] | ^^^^^^^^^ 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 [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 [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.10s [INFO] running `Command { std: "docker" "inspect" "790ea4ee1b89e81b209bad8fd72691da22c51a1a16d6f80f370cdff5b228ce53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "790ea4ee1b89e81b209bad8fd72691da22c51a1a16d6f80f370cdff5b228ce53", kill_on_drop: false }` [INFO] [stdout] 790ea4ee1b89e81b209bad8fd72691da22c51a1a16d6f80f370cdff5b228ce53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33a6d2e2a6979485bec2eacb4f89efd20b459a9aa5fabd84d9251bbb3125196e [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" "33a6d2e2a6979485bec2eacb4f89efd20b459a9aa5fabd84d9251bbb3125196e", 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] = 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 [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 [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] | ^^^^^^^^^ 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 [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] --> 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] | ^^^^^^^^^ 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 [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 [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 [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: 1 warning emitted [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.72s [INFO] running `Command { std: "docker" "inspect" "33a6d2e2a6979485bec2eacb4f89efd20b459a9aa5fabd84d9251bbb3125196e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33a6d2e2a6979485bec2eacb4f89efd20b459a9aa5fabd84d9251bbb3125196e", kill_on_drop: false }` [INFO] [stdout] 33a6d2e2a6979485bec2eacb4f89efd20b459a9aa5fabd84d9251bbb3125196e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6f801d7256b22868dabd9e6832fd209cdbcb0e5f8439aa2c101d03fa99332b9c [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" "6f801d7256b22868dabd9e6832fd209cdbcb0e5f8439aa2c101d03fa99332b9c", 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 [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] = 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 [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, 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 [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: 2 warnings 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] = 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 [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] = 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 [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, 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 [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ds-29956a340b89001b) [INFO] [stdout] running 34 tests [INFO] [stdout] test ds::tests::display ... ok [INFO] [stdout] test ds::tests::cast_ioerror ... ok [INFO] [stdout] test ds::tests::filesystem_device_disabled ... ok [INFO] [stdout] test ds::tests::symlink_err ... ok [INFO] [stdout] test report::tests::color_cyan ... ok [INFO] [stdout] test report::tests::color_magenta ... ok [INFO] [stdout] test report::tests::color_yellow ... ok [INFO] [stdout] test ds::tests::filesystem_device_enabled ... ok [INFO] [stdout] test ds::tests::display_verbose ... ok [INFO] [stdout] test report::tests::report_long ... ok [INFO] [stdout] test report::tests::color_black ... ok [INFO] [stdout] test report::tests::color_none ... ok [INFO] [stdout] test report::tests::color_white ... ok [INFO] [stdout] test ds::tests::fmt_dserror ... ok [INFO] [stdout] test ds::tests::filesystem_device_error ... ok [INFO] [stdout] test ds::tests::cast_mutex_error ... ok [INFO] [stdout] test ds::tests::increment_err ... ok [INFO] [stdout] test report::tests::settings_exclude ... ok [INFO] [stdout] test report::tests::settings_defaults ... ok [INFO] [stdout] test report::tests::settings_lines_invalid_value ... ok [INFO] [stdout] test report::tests::report_short_exclude ... ok [INFO] [stdout] test report::tests::simple_units_bytes ... ok [INFO] [stdout] test report::tests::settings_reverse ... ok [INFO] [stdout] test report::tests::report_short ... ok [INFO] [stdout] test report::tests::report_short_reverse ... ok [INFO] [stdout] test report::tests::report_stdout ... ok [INFO] [stdout] test report::tests::settings_all ... ok [INFO] [stdout] test report::tests::simple_units_kbytes ... ok [INFO] [stdout] test report::tests::settings_lines ... ok [INFO] [stdout] test report::tests::color_blue ... ok [INFO] [stdout] test report::tests::color_green ... 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] [INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ds-3d6ce2a7a00aaa2b) [INFO] [stdout] [INFO] [stdout] running 37 tests [INFO] [stdout] test cli::tests::check ... ok [INFO] [stdout] test cli::tests::dirs ... ok [INFO] [stdout] test report::tests::color_green ... ok [INFO] [stdout] test report::tests::color_magenta ... ok [INFO] [stdout] test ds::tests::display_verbose ... ok [INFO] [stdout] test report::tests::color_white ... ok [INFO] [stdout] test report::tests::color_black ... 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 ds::tests::display ... ok [INFO] [stdout] test ds::tests::filesystem_device_enabled ... ok [INFO] [stdout] test cli::tests::dirs_default ... ok [INFO] [stdout] test ds::tests::filesystem_device_disabled ... ok [INFO] [stdout] test ds::tests::cast_ioerror ... ok [INFO] [stdout] test ds::tests::filesystem_device_error ... ok [INFO] [stdout] test ds::tests::cast_mutex_error ... ok [INFO] [stdout] test report::tests::color_blue ... ok [INFO] [stdout] test report::tests::color_cyan ... ok [INFO] [stdout] test report::tests::color_red ... ok [INFO] [stdout] test report::tests::simple_units_kbytes_long ... ok [INFO] [stdout] test report::tests::color_none ... ok [INFO] [stdout] test report::tests::simple_units_bytes ... ok [INFO] [stdout] test report::tests::color_yellow ... ok [INFO] [stdout] test report::tests::settings_lines_invalid_value ... ok [INFO] [stdout] test report::tests::settings_reverse ... ok [INFO] [stdout] test report::tests::settings_exclude ... ok [INFO] [stdout] test report::tests::report_long ... ok [INFO] [stdout] test report::tests::simple_units_kbytes ... ok [INFO] [stdout] test report::tests::simple_units_mbytes ... ok [INFO] [stdout] test report::tests::settings_lines ... ok [INFO] [stdout] test report::tests::report_short ... ok [INFO] [stdout] test report::tests::report_short_reverse ... ok [INFO] [stdout] test report::tests::settings_defaults ... ok [INFO] [stdout] test report::tests::report_stdout ... ok [INFO] [stdout] test report::tests::report_short_exclude ... ok [INFO] [stdout] test report::tests::settings_all ... 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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dsx-454543c0c058078a) [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test report::tests::color_white ... ok [INFO] [stdout] test report::tests::color_yellow ... 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::simple_units_mbytes ... ok [INFO] [stdout] test report::tests::color_red ... ok [INFO] [stdout] test report::tests::report_short_reverse ... ok [INFO] [stdout] test report::tests::color_cyan ... ok [INFO] [stdout] test report::tests::report_short ... ok [INFO] [stdout] test report::tests::report_stdout ... ok [INFO] [stdout] test report::tests::color_none ... ok [INFO] [stdout] test report::tests::simple_units_bytes ... ok [INFO] [stdout] test report::tests::color_blue ... ok [INFO] [stdout] test ds3::tests::exercise ... ok [INFO] [stdout] test report::tests::color_magenta ... ok [INFO] [stdout] test report::tests::color_green ... ok [INFO] [stdout] test report::tests::color_black ... ok [INFO] [stdout] test report::tests::report_long ... 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: 0x559d7b45da40 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x559d7b45da40 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x559d7b45da40 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x559d7b45da40 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x559d7b481e3c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x559d7b45a435 - std::io::Write::write_fmt::h583dff5009d01a9f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x559d7b45fbbb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x559d7b45fbbb - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x559d7b45fbbb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x559d7b45f6cc - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x559d7b460284 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x559d7b45fd67 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x559d7b45df3c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x559d7b45fcc9 - rust_begin_unwind [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x559d7b2987c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x559d7b2988b3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x559d7b2a4a8e - core::result::Result::unwrap::hf46cf3bbbaa65806 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:1037:23 [INFO] [stdout] 17: 0x559d7b2aa4de - dsx::ds1::tests::test_increment::hd2b47dfe66420630 [INFO] [stdout] at /opt/rustwide/workdir/learning/ds1.rs:140:24 [INFO] [stdout] 18: 0x559d7b2aa49a - dsx::ds1::tests::test_increment::{{closure}}::h54c850ae82a9d7cc [INFO] [stdout] at /opt/rustwide/workdir/learning/ds1.rs:138:5 [INFO] [stdout] 19: 0x559d7b2bb12e - core::ops::function::FnOnce::call_once::h72dd91f92c000caf [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x559d7b2f7543 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x559d7b2f7543 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:577:5 [INFO] [stdout] 22: 0x559d7b2f5fd0 - as core::ops::function::FnOnce>::call_once::he6b90e352f394d8f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 23: 0x559d7b2f5fd0 - as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9 [INFO] [stdout] 24: 0x559d7b2f5fd0 - std::panicking::try::do_call::he6de943476ae628a [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x559d7b2f5fd0 - std::panicking::try::ha21937b8feb06f89 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x559d7b2f5fd0 - std::panic::catch_unwind::ha79830b3325c9fa6 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x559d7b2f5fd0 - test::run_test_in_process::h1ab180b83ee2d5b5 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:600:18 [INFO] [stdout] 28: 0x559d7b2f5fd0 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x559d7b2cf592 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x559d7b2cf592 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x559d7b2d31e8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:476:17 [INFO] [stdout] 32: 0x559d7b2d31e8 - as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9 [INFO] [stdout] 33: 0x559d7b2d31e8 - std::panicking::try::do_call::h4496392321a3c8c0 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x559d7b2d31e8 - std::panicking::try::hf1e14258e04e8e9a [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x559d7b2d31e8 - std::panic::catch_unwind::hb72c3777cd55642f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stdout] 36: 0x559d7b2d31e8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:475:30 [INFO] [stdout] 37: 0x559d7b2d31e8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x559d7b465657 - as core::ops::function::FnOnce>::call_once::ha8b1d5a0092467fc [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 39: 0x559d7b465657 - as core::ops::function::FnOnce>::call_once::h4b9f24ec4e8a879e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 40: 0x559d7b465657 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys/unix/thread.rs:72:17 [INFO] [stdout] 41: 0x7f2a66407609 - start_thread [INFO] [stdout] 42: 0x7f2a661d9293 - 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 0.10s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin dsx' [INFO] running `Command { std: "docker" "inspect" "6f801d7256b22868dabd9e6832fd209cdbcb0e5f8439aa2c101d03fa99332b9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f801d7256b22868dabd9e6832fd209cdbcb0e5f8439aa2c101d03fa99332b9c", kill_on_drop: false }` [INFO] [stdout] 6f801d7256b22868dabd9e6832fd209cdbcb0e5f8439aa2c101d03fa99332b9c