[INFO] fetching crate oxidant 0.1.0...
[INFO] testing oxidant-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate oxidant 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate oxidant 0.1.0
[INFO] finished tweaking crates.io crate oxidant 0.1.0
[INFO] tweaked toml for crates.io crate oxidant 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oxidant 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding json v0.11.15 (available: v0.12.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8da8232e9adb18048606b6da334892e3928b2b4cf95a5c07355898c9c6e7a25f
[INFO] running `Command { std: "docker" "start" "-a" "8da8232e9adb18048606b6da334892e3928b2b4cf95a5c07355898c9c6e7a25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8da8232e9adb18048606b6da334892e3928b2b4cf95a5c07355898c9c6e7a25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da8232e9adb18048606b6da334892e3928b2b4cf95a5c07355898c9c6e7a25f", kill_on_drop: false }`
[INFO] [stdout] 8da8232e9adb18048606b6da334892e3928b2b4cf95a5c07355898c9c6e7a25f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7a75421ce8aa1f8f36223d159fb71840132b78e1f9a78763a46bcf1a64f1369
[INFO] running `Command { std: "docker" "start" "-a" "a7a75421ce8aa1f8f36223d159fb71840132b78e1f9a78763a46bcf1a64f1369", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling oxidant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/bencode/mod.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "cargo-clippy", deny(pedantic))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/bencode/mod.rs:251:16
[INFO] [stdout]     |
[INFO] [stdout] 251 |             '0'...'9' => return Self::parse_string(iter),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bencode/mod.rs:187:33
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 Err(e) => Err(e.description().to_string()),
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bencode/mod.rs:241:29
[INFO] [stdout]     |
[INFO] [stdout] 241 |             Err(e) => Err(e.description().to_string()),
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 return Err(e.description().to_string());
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bencode/mod.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 let mut key: String;
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "a7a75421ce8aa1f8f36223d159fb71840132b78e1f9a78763a46bcf1a64f1369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a75421ce8aa1f8f36223d159fb71840132b78e1f9a78763a46bcf1a64f1369", kill_on_drop: false }`
[INFO] [stdout] a7a75421ce8aa1f8f36223d159fb71840132b78e1f9a78763a46bcf1a64f1369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9a70b739b761a8aec6829519e255deff96517281eff7890d8be02a0e61ef7ca
[INFO] running `Command { std: "docker" "start" "-a" "f9a70b739b761a8aec6829519e255deff96517281eff7890d8be02a0e61ef7ca", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/bencode/mod.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "cargo-clippy", deny(pedantic))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/bencode/mod.rs:251:16
[INFO] [stdout]     |
[INFO] [stdout] 251 |             '0'...'9' => return Self::parse_string(iter),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bencode/mod.rs:187:33
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 Err(e) => Err(e.description().to_string()),
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bencode/mod.rs:241:29
[INFO] [stdout]     |
[INFO] [stdout] 241 |             Err(e) => Err(e.description().to_string()),
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling oxidant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 return Err(e.description().to_string());
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bencode/mod.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 let mut key: String;
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/bencode/mod.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "cargo-clippy", deny(pedantic))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/bencode/mod.rs:251:16
[INFO] [stdout]     |
[INFO] [stdout] 251 |             '0'...'9' => return Self::parse_string(iter),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bencode/mod.rs:187:33
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 Err(e) => Err(e.description().to_string()),
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bencode/mod.rs:241:29
[INFO] [stdout]     |
[INFO] [stdout] 241 |             Err(e) => Err(e.description().to_string()),
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 return Err(e.description().to_string());
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bencode/mod.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 let mut key: String;
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "f9a70b739b761a8aec6829519e255deff96517281eff7890d8be02a0e61ef7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a70b739b761a8aec6829519e255deff96517281eff7890d8be02a0e61ef7ca", kill_on_drop: false }`
[INFO] [stdout] f9a70b739b761a8aec6829519e255deff96517281eff7890d8be02a0e61ef7ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 151ddee651cd9236bc1c91a843d3d0c9ddbc09a53270bae25fc1ef4f9d6e3530
[INFO] running `Command { std: "docker" "start" "-a" "151ddee651cd9236bc1c91a843d3d0c9ddbc09a53270bae25fc1ef4f9d6e3530", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]  --> src/bencode/mod.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![cfg_attr(feature = "cargo-clippy", deny(pedantic))]
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]   |
[INFO] [stderr]   = note: no expected values for `feature`
[INFO] [stderr]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bencode/mod.rs:251:16
[INFO] [stderr]     |
[INFO] [stderr] 251 |             '0'...'9' => return Self::parse_string(iter),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bencode/mod.rs:187:33
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 Err(e) => Err(e.description().to_string()),
[INFO] [stderr]     |                                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bencode/mod.rs:241:29
[INFO] [stderr]     |
[INFO] [stderr] 241 |             Err(e) => Err(e.description().to_string()),
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:103:30
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 return Err(e.description().to_string());
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bencode/mod.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let mut key: String;
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `oxidant` (lib) generated 6 warnings (run `cargo fix --lib -p oxidant` to apply 2 suggestions)
[INFO] [stderr] warning: `oxidant` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/oxidant-0cb2a1be694da51f)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test bencode::tests::test_bencode_integer_no_missing_leading_character ... ok
[INFO] [stdout] test bencode::tests::test_bencode_dictionary_nested ... ok
[INFO] [stdout] test bencode::tests::test_bencode_integer_negative_parse ... ok
[INFO] [stdout] test bencode::tests::test_bencode_integer_no_premature_end ... ok
[INFO] [stdout] test bencode::tests::test_bencode_integer_no_negative_zero ... ok
[INFO] [stdout] test bencode::tests::test_bencode_integer_no_negative_leading_zero ... ok
[INFO] [stdout] test bencode::tests::test_bencode_dictionary_no_missing_leading_character ... ok
[INFO] [stdout] test bencode::tests::test_bencode_dictionary_parse ... ok
[INFO] [stdout] test bencode::tests::test_bencode_dictionary_no_premature_end ... ok
[INFO] [stdout] test bencode::tests::test_bencode_list_nested ... ok
[INFO] [stdout] test bencode::tests::test_bencode_list_no_missing_leading_character ... ok
[INFO] [stdout] test bencode::tests::test_bencode_integer_parse ... ok
[INFO] [stdout] test bencode::tests::test_bencode_list_no_premature_end ... ok
[INFO] [stdout] test bencode::tests::test_bencode_list_parse ... ok
[INFO] [stdout] test bencode::tests::test_bencode_string_no_missing_leading_delimiter ... ok
[INFO] [stdout] test bencode::tests::test_bencode_string_no_missing_leading_len ... ok
[INFO] [stdout] test bencode::tests::test_bencode_string_no_premature_end ... ok
[INFO] [stdout] test tests::test_parse_command_with_args ... ok
[INFO] [stdout] test bencode::tests::test_bencode_integer_zero ... ok
[INFO] [stdout] test tests::test_parse_command ... ok
[INFO] [stdout] test bencode::tests::test_bencode_string_parse ... ok
[INFO] [stdout] test tests::test_parse_empty_command ... ok
[INFO] [stdout] test bencode::tests::test_bencode_integer_no_leading_zero ... ok
[INFO] [stderr]    Doc-tests oxidant
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bencode/mod.rs:251:16
[INFO] [stderr]     |
[INFO] [stderr] 251 |             '0'...'9' => return Self::parse_string(iter),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[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" "151ddee651cd9236bc1c91a843d3d0c9ddbc09a53270bae25fc1ef4f9d6e3530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151ddee651cd9236bc1c91a843d3d0c9ddbc09a53270bae25fc1ef4f9d6e3530", kill_on_drop: false }`
[INFO] [stdout] 151ddee651cd9236bc1c91a843d3d0c9ddbc09a53270bae25fc1ef4f9d6e3530
