[INFO] fetching crate shard 0.1.2...
[INFO] testing shard-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate shard 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate shard 0.1.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shard 0.1.2
[INFO] finished tweaking crates.io crate shard 0.1.2
[INFO] tweaked toml for crates.io crate shard 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9895dcce8aded0daecd7a03ea6b5222e699622611fc6aa11be35527aec4a9f7b
[INFO] running `Command { std: "docker" "start" "-a" "9895dcce8aded0daecd7a03ea6b5222e699622611fc6aa11be35527aec4a9f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9895dcce8aded0daecd7a03ea6b5222e699622611fc6aa11be35527aec4a9f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9895dcce8aded0daecd7a03ea6b5222e699622611fc6aa11be35527aec4a9f7b", kill_on_drop: false }`
[INFO] [stdout] 9895dcce8aded0daecd7a03ea6b5222e699622611fc6aa11be35527aec4a9f7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47befefd998cb9e08409463006de83a00bc648cdc3096c90c1d107da677d65e8
[INFO] running `Command { std: "docker" "start" "-a" "47befefd998cb9e08409463006de83a00bc648cdc3096c90c1d107da677d65e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling shard v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/syntax/lexer.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[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 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/syntax/lexer.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/syntax/lexer.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |             '0'...'9' => Ok(State::Number),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParserError`
[INFO] [stdout]  --> src/syntax/ast/mod.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::parser::{Parser, ParserError, ParserResult};
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "47befefd998cb9e08409463006de83a00bc648cdc3096c90c1d107da677d65e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47befefd998cb9e08409463006de83a00bc648cdc3096c90c1d107da677d65e8", kill_on_drop: false }`
[INFO] [stdout] 47befefd998cb9e08409463006de83a00bc648cdc3096c90c1d107da677d65e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd0d4086a6bda1d35aa2b9bc9d6805bb6e7c94d6fb2775e1f31fda934b59986f
[INFO] running `Command { std: "docker" "start" "-a" "dd0d4086a6bda1d35aa2b9bc9d6805bb6e7c94d6fb2775e1f31fda934b59986f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shard v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/syntax/lexer.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[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 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/syntax/lexer.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/syntax/lexer.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |             '0'...'9' => Ok(State::Number),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParserError`
[INFO] [stdout]  --> src/syntax/ast/mod.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::parser::{Parser, ParserError, ParserResult};
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/syntax/lexer.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[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 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/syntax/lexer.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/syntax/lexer.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |             '0'...'9' => Ok(State::Number),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParserError`
[INFO] [stdout]  --> src/syntax/ast/mod.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::parser::{Parser, ParserError, ParserResult};
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "dd0d4086a6bda1d35aa2b9bc9d6805bb6e7c94d6fb2775e1f31fda934b59986f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0d4086a6bda1d35aa2b9bc9d6805bb6e7c94d6fb2775e1f31fda934b59986f", kill_on_drop: false }`
[INFO] [stdout] dd0d4086a6bda1d35aa2b9bc9d6805bb6e7c94d6fb2775e1f31fda934b59986f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd19728e48a13d27a47a954b228f7fd8d6dc1499c3a8ad3de82852c22f3181e2
[INFO] running `Command { std: "docker" "start" "-a" "cd19728e48a13d27a47a954b228f7fd8d6dc1499c3a8ad3de82852c22f3181e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/syntax/lexer.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[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 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/syntax/lexer.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/syntax/lexer.rs:67:16
[INFO] [stderr]    |
[INFO] [stderr] 67 |             '0'...'9' => Ok(State::Number),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParserError`
[INFO] [stderr]  --> src/syntax/ast/mod.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::parser::{Parser, ParserError, ParserResult};
[INFO] [stderr]   |                             ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shard` (lib) generated 4 warnings
[INFO] [stderr] warning: `shard` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shard-ce08fa2433f49bff)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test syntax::ast::tests::comma_delimited ... ok
[INFO] [stdout] test syntax::lexer::tests::feed_comment ... ok
[INFO] [stdout] test syntax::lexer::tests::feed_literal ... ok
[INFO] [stdout] test syntax::lexer::tests::feed_identifier ... ok
[INFO] [stderr]    Doc-tests shard
[INFO] [stdout] test syntax::token::tests::from_char ... ok
[INFO] [stdout] test syntax::token::tests::from_str ... ok
[INFO] [stdout] test syntax::lexer::tests::feed_statement ... ok
[INFO] [stdout] test syntax::lexer::tests::lex_str ... ok
[INFO] [stdout] test syntax::lexer::tests::next_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/rustwide/workdir/src/syntax/lexer.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[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 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/rustwide/workdir/src/syntax/lexer.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |             'a'...'z' | 'A'...'Z' | '_' => Ok(State::Text),
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/rustwide/workdir/src/syntax/lexer.rs:67:16
[INFO] [stderr]    |
[INFO] [stderr] 67 |             '0'...'9' => Ok(State::Number),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings 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" "cd19728e48a13d27a47a954b228f7fd8d6dc1499c3a8ad3de82852c22f3181e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd19728e48a13d27a47a954b228f7fd8d6dc1499c3a8ad3de82852c22f3181e2", kill_on_drop: false }`
[INFO] [stdout] cd19728e48a13d27a47a954b228f7fd8d6dc1499c3a8ad3de82852c22f3181e2