[INFO] cloning repository https://github.com/gky360/myparse [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gky360/myparse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgky360%2Fmyparse", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgky360%2Fmyparse'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4bcd52fbd4ebf227b013b02d9df3f42175e3b307 [INFO] testing gky360/myparse against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgky360%2Fmyparse" "/workspace/builds/worker-49/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gky360/myparse on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gky360/myparse [INFO] finished tweaking git repo https://github.com/gky360/myparse [INFO] tweaked toml for git repo https://github.com/gky360/myparse written to /workspace/builds/worker-49/source/Cargo.toml [INFO] crate git repo https://github.com/gky360/myparse already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt-derive v0.2.15 [INFO] [stderr] Downloaded strsim v0.8.0 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded textwrap v0.11.0 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded structopt v0.2.15 [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] [stderr] Downloaded ansi_term v0.11.0 [INFO] [stderr] Downloaded unicode-xid v0.1.0 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded syn v0.15.34 [INFO] [stderr] Downloaded unicode-segmentation v1.3.0 [INFO] [stderr] Downloaded heck v0.3.1 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded termion v1.5.2 [INFO] [stderr] Downloaded redox_syscall v0.1.54 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded libc v0.2.55 [INFO] [stderr] Downloaded winapi v0.3.7 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.4.0 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9616f82a6d22df6d413e4b6695815949a34526f7e9d15240b619e814dd24e3f4 [INFO] running `Command { std: "docker" "start" "-a" "9616f82a6d22df6d413e4b6695815949a34526f7e9d15240b619e814dd24e3f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9616f82a6d22df6d413e4b6695815949a34526f7e9d15240b619e814dd24e3f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9616f82a6d22df6d413e4b6695815949a34526f7e9d15240b619e814dd24e3f4", kill_on_drop: false }` [INFO] [stdout] 9616f82a6d22df6d413e4b6695815949a34526f7e9d15240b619e814dd24e3f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de8c3d6ba1d9294597635e5416f7f523341697e90d9b00347d50fb2fc1b56f51 [INFO] running `Command { std: "docker" "start" "-a" "de8c3d6ba1d9294597635e5416f7f523341697e90d9b00347d50fb2fc1b56f51", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Compiling structopt v0.2.15 [INFO] [stderr] Compiling myparse v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lexer.rs:156:21 [INFO] [stdout] | [INFO] [stdout] 156 | b'0'...b'9' => lex_a_token!(self.lex_number()), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/interpreter.rs:77:27 [INFO] [stdout] | [INFO] [stdout] 77 | let (err, loc): (&std::error::Error, &Loc) = match self.value { [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 77 - let (err, loc): (&std::error::Error, &Loc) = match self.value { [INFO] [stdout] 77 + let (err, loc): (&dyn std::error::Error, &Loc) = match self.value { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser.rs:60:27 [INFO] [stdout] | [INFO] [stdout] 60 | let (err, loc): (&std::error::Error, &Loc) = match self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 60 - let (err, loc): (&std::error::Error, &Loc) = match self { [INFO] [stdout] 60 + let (err, loc): (&dyn std::error::Error, &Loc) = match self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.25s [INFO] running `Command { std: "docker" "inspect" "de8c3d6ba1d9294597635e5416f7f523341697e90d9b00347d50fb2fc1b56f51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de8c3d6ba1d9294597635e5416f7f523341697e90d9b00347d50fb2fc1b56f51", kill_on_drop: false }` [INFO] [stdout] de8c3d6ba1d9294597635e5416f7f523341697e90d9b00347d50fb2fc1b56f51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 805014400efd65e4c51461eed29ec1e90541a224fdd11e683faac3ed9ff8a7fa [INFO] running `Command { std: "docker" "start" "-a" "805014400efd65e4c51461eed29ec1e90541a224fdd11e683faac3ed9ff8a7fa", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lexer.rs:156:21 [INFO] [stdout] | [INFO] [stdout] 156 | b'0'...b'9' => lex_a_token!(self.lex_number()), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/interpreter.rs:77:27 [INFO] [stdout] | [INFO] [stdout] 77 | let (err, loc): (&std::error::Error, &Loc) = match self.value { [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 77 - let (err, loc): (&std::error::Error, &Loc) = match self.value { [INFO] [stdout] 77 + let (err, loc): (&dyn std::error::Error, &Loc) = match self.value { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling myparse v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser.rs:60:27 [INFO] [stdout] | [INFO] [stdout] 60 | let (err, loc): (&std::error::Error, &Loc) = match self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 60 - let (err, loc): (&std::error::Error, &Loc) = match self { [INFO] [stdout] 60 + let (err, loc): (&dyn std::error::Error, &Loc) = match self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/lexer.rs:156:21 [INFO] [stdout] | [INFO] [stdout] 156 | b'0'...b'9' => lex_a_token!(self.lex_number()), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/interpreter.rs:77:27 [INFO] [stdout] | [INFO] [stdout] 77 | let (err, loc): (&std::error::Error, &Loc) = match self.value { [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 77 - let (err, loc): (&std::error::Error, &Loc) = match self.value { [INFO] [stdout] 77 + let (err, loc): (&dyn std::error::Error, &Loc) = match self.value { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parser.rs:60:27 [INFO] [stdout] | [INFO] [stdout] 60 | let (err, loc): (&std::error::Error, &Loc) = match self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 60 - let (err, loc): (&std::error::Error, &Loc) = match self { [INFO] [stdout] 60 + let (err, loc): (&dyn std::error::Error, &Loc) = match self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 13.05s [INFO] running `Command { std: "docker" "inspect" "805014400efd65e4c51461eed29ec1e90541a224fdd11e683faac3ed9ff8a7fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "805014400efd65e4c51461eed29ec1e90541a224fdd11e683faac3ed9ff8a7fa", kill_on_drop: false }` [INFO] [stdout] 805014400efd65e4c51461eed29ec1e90541a224fdd11e683faac3ed9ff8a7fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 858240a5cc14e043957411ff00245d90cb85c7c771ee42439b2282975a7998db [INFO] running `Command { std: "docker" "start" "-a" "858240a5cc14e043957411ff00245d90cb85c7c771ee42439b2282975a7998db", kill_on_drop: false }` [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer.rs:156:21 [INFO] [stderr] | [INFO] [stderr] 156 | b'0'...b'9' => lex_a_token!(self.lex_number()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/interpreter.rs:77:27 [INFO] [stderr] | [INFO] [stderr] 77 | let (err, loc): (&std::error::Error, &Loc) = match self.value { [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 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 77 - let (err, loc): (&std::error::Error, &Loc) = match self.value { [INFO] [stderr] 77 + let (err, loc): (&dyn std::error::Error, &Loc) = match self.value { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:60:27 [INFO] [stderr] | [INFO] [stderr] 60 | let (err, loc): (&std::error::Error, &Loc) = match self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 60 - let (err, loc): (&std::error::Error, &Loc) = match self { [INFO] [stderr] 60 + let (err, loc): (&dyn std::error::Error, &Loc) = match self { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `myparse` (lib) generated 3 warnings [INFO] [stderr] warning: `myparse` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/myparse-591fe5b5f4336d05) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test lexer::tests::test_lexer ... ok [INFO] [stdout] test parser::tests::test_parser ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/myparse-e16aaae2d41af877) [INFO] [stdout] [INFO] [stderr] Doc-tests myparse [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] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> /opt/rustwide/workdir/src/lexer.rs:156:21 [INFO] [stderr] | [INFO] [stderr] 156 | b'0'...b'9' => lex_a_token!(self.lex_number()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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" "858240a5cc14e043957411ff00245d90cb85c7c771ee42439b2282975a7998db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "858240a5cc14e043957411ff00245d90cb85c7c771ee42439b2282975a7998db", kill_on_drop: false }` [INFO] [stdout] 858240a5cc14e043957411ff00245d90cb85c7c771ee42439b2282975a7998db