[INFO] fetching crate shrust 0.0.7... [INFO] testing shrust-0.0.7 against 1.55.0 for beta-1.56-1 [INFO] extracting crate shrust 0.0.7 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate shrust 0.0.7 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate shrust 0.0.7 [INFO] finished tweaking crates.io crate shrust 0.0.7 [INFO] tweaked toml for crates.io crate shrust 0.0.7 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate shrust 0.0.7 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prettytable-rs v0.8.0 [INFO] [stderr] Downloaded redox_syscall v0.1.40 [INFO] [stderr] Downloaded termion v1.5.1 [INFO] [stderr] Downloaded csv-core v0.1.6 [INFO] [stderr] Downloaded ryu v0.2.8 [INFO] [stderr] Downloaded serde v1.0.99 [INFO] [stderr] Downloaded libc v0.2.43 [INFO] [stderr] Downloaded csv v1.0.7 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded lazy_static v1.1.0 [INFO] [stderr] Downloaded encode_unicode v0.3.2 [INFO] [stderr] Downloaded term v0.5.1 [INFO] [stderr] Downloaded byteorder v1.2.6 [INFO] [stderr] Downloaded winapi v0.3.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 019064030efab1098bd8daaacc3934824ee12bb27ba296fdd13959eea2475740 [INFO] running `Command { std: "docker" "start" "-a" "019064030efab1098bd8daaacc3934824ee12bb27ba296fdd13959eea2475740", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "019064030efab1098bd8daaacc3934824ee12bb27ba296fdd13959eea2475740", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "019064030efab1098bd8daaacc3934824ee12bb27ba296fdd13959eea2475740", kill_on_drop: false }` [INFO] [stdout] 019064030efab1098bd8daaacc3934824ee12bb27ba296fdd13959eea2475740 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95521f6cb1bb3c394d8b3cf35e5ed2b35863d3ac05d9504d1ea7f1e244956932 [INFO] running `Command { std: "docker" "start" "-a" "95521f6cb1bb3c394d8b3cf35e5ed2b35863d3ac05d9504d1ea7f1e244956932", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling encode_unicode v0.3.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling term v0.5.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling csv v1.0.7 [INFO] [stderr] Compiling prettytable-rs v0.8.0 [INFO] [stderr] Compiling shrust v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:30:15 [INFO] [stdout] | [INFO] [stdout] 30 | Other(Box), [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | input: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:68:23 [INFO] [stdout] | [INFO] [stdout] 68 | output: Arc> [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:123:18 [INFO] [stdout] | [INFO] [stdout] 123 | default: Arc, &str) -> ExecResult + Send + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ShellIO, &mut Shell, &str) -> ExecResult + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:332:29 [INFO] [stdout] | [INFO] [stdout] 332 | pub type CmdFn = Box, &[&str]) -> ExecResult + Send + Sync>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ShellIO, &mut Shell, &[&str]) -> ExecResult + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.86s [INFO] running `Command { std: "docker" "inspect" "95521f6cb1bb3c394d8b3cf35e5ed2b35863d3ac05d9504d1ea7f1e244956932", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95521f6cb1bb3c394d8b3cf35e5ed2b35863d3ac05d9504d1ea7f1e244956932", kill_on_drop: false }` [INFO] [stdout] 95521f6cb1bb3c394d8b3cf35e5ed2b35863d3ac05d9504d1ea7f1e244956932 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ccc5cf21bcf8e1f9a488b8ce9600ce0c44e2b82d0ace28577d40627ce75ebbb9 [INFO] running `Command { std: "docker" "start" "-a" "ccc5cf21bcf8e1f9a488b8ce9600ce0c44e2b82d0ace28577d40627ce75ebbb9", kill_on_drop: false }` [INFO] [stderr] Compiling shrust v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:30:15 [INFO] [stdout] | [INFO] [stdout] 30 | Other(Box), [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | input: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:68:23 [INFO] [stdout] | [INFO] [stdout] 68 | output: Arc> [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:123:18 [INFO] [stdout] | [INFO] [stdout] 123 | default: Arc, &str) -> ExecResult + Send + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ShellIO, &mut Shell, &str) -> ExecResult + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:332:29 [INFO] [stdout] | [INFO] [stdout] 332 | pub type CmdFn = Box, &[&str]) -> ExecResult + Send + Sync>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ShellIO, &mut Shell, &[&str]) -> ExecResult + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:30:15 [INFO] [stdout] | [INFO] [stdout] 30 | Other(Box), [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | input: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:68:23 [INFO] [stdout] | [INFO] [stdout] 68 | output: Arc> [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:123:18 [INFO] [stdout] | [INFO] [stdout] 123 | default: Arc, &str) -> ExecResult + Send + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ShellIO, &mut Shell, &str) -> ExecResult + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:332:29 [INFO] [stdout] | [INFO] [stdout] 332 | pub type CmdFn = Box, &[&str]) -> ExecResult + Send + Sync>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ShellIO, &mut Shell, &[&str]) -> ExecResult + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "ccc5cf21bcf8e1f9a488b8ce9600ce0c44e2b82d0ace28577d40627ce75ebbb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccc5cf21bcf8e1f9a488b8ce9600ce0c44e2b82d0ace28577d40627ce75ebbb9", kill_on_drop: false }` [INFO] [stdout] ccc5cf21bcf8e1f9a488b8ce9600ce0c44e2b82d0ace28577d40627ce75ebbb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 585fd7be8e09b6336e9e69c91c58f2d1a9994257ac20b134abbe3b89d2b11779 [INFO] running `Command { std: "docker" "start" "-a" "585fd7be8e09b6336e9e69c91c58f2d1a9994257ac20b134abbe3b89d2b11779", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:30:15 [INFO] [stderr] | [INFO] [stderr] 30 | Other(Box), [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:67:22 [INFO] [stderr] | [INFO] [stderr] 67 | input: Arc>, [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:68:23 [INFO] [stderr] | [INFO] [stderr] 68 | output: Arc> [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:123:18 [INFO] [stderr] | [INFO] [stderr] 123 | default: Arc, &str) -> ExecResult + Send + Sync>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ShellIO, &mut Shell, &str) -> ExecResult + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:332:29 [INFO] [stderr] | [INFO] [stderr] 332 | pub type CmdFn = Box, &[&str]) -> ExecResult + Send + Sync>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ShellIO, &mut Shell, &[&str]) -> ExecResult + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `shrust` (lib) generated 5 warnings [INFO] [stderr] warning: `shrust` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/shrust-292ac559decf3051) [INFO] [stderr] Doc-tests shrust [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "585fd7be8e09b6336e9e69c91c58f2d1a9994257ac20b134abbe3b89d2b11779", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "585fd7be8e09b6336e9e69c91c58f2d1a9994257ac20b134abbe3b89d2b11779", kill_on_drop: false }` [INFO] [stdout] 585fd7be8e09b6336e9e69c91c58f2d1a9994257ac20b134abbe3b89d2b11779