[INFO] fetching crate seax_util 0.1.2...
[INFO] building seax_util-0.1.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate seax_util 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate seax_util 0.1.2
[INFO] finished tweaking crates.io crate seax_util 0.1.2
[INFO] tweaked toml for crates.io crate seax_util 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate seax_util 0.1.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.28)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa048b2b152b4f045a6dface0d4922ae9b8b5baf151b3b756aed3a02e7ecc3f6
[INFO] running `Command { std: "docker" "start" "-a" "fa048b2b152b4f045a6dface0d4922ae9b8b5baf151b3b756aed3a02e7ecc3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa048b2b152b4f045a6dface0d4922ae9b8b5baf151b3b756aed3a02e7ecc3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa048b2b152b4f045a6dface0d4922ae9b8b5baf151b3b756aed3a02e7ecc3f6", kill_on_drop: false }`
[INFO] [stdout] fa048b2b152b4f045a6dface0d4922ae9b8b5baf151b3b756aed3a02e7ecc3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7af799083bb82971a541fdd45d4b04ce82be14ff54b58e7d181174e8ddca544f
[INFO] running `Command { std: "docker" "start" "-a" "7af799083bb82971a541fdd45d4b04ce82be14ff54b58e7d181174e8ddca544f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling seax_util v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for ASTNode {
[INFO] [stdout]    |                     ^^^^^^^
[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(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for dyn ASTNode {
[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/bytecode/mod.rs:236:45
[INFO] [stdout]     |
[INFO] [stdout] 236 |             .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:260:45
[INFO] [stdout]     |
[INFO] [stdout] 260 |             .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:309:53
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:322:55
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     .map_err( |why | String::from(why.description()))
[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/bytecode/mod.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:356:58
[INFO] [stdout]     |
[INFO] [stdout] 356 |                          .map_err(|why| String::from(why.description())));
[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/bytecode/mod.rs:400:46
[INFO] [stdout]     |
[INFO] [stdout] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]    --> src/bytecode/mod.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "7af799083bb82971a541fdd45d4b04ce82be14ff54b58e7d181174e8ddca544f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af799083bb82971a541fdd45d4b04ce82be14ff54b58e7d181174e8ddca544f", kill_on_drop: false }`
[INFO] [stdout] 7af799083bb82971a541fdd45d4b04ce82be14ff54b58e7d181174e8ddca544f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d09d37703ebe2f11b218fb3bf16b61851a172a27203465ae2d605f9b498febae
[INFO] running `Command { std: "docker" "start" "-a" "d09d37703ebe2f11b218fb3bf16b61851a172a27203465ae2d605f9b498febae", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for ASTNode {
[INFO] [stdout]    |                     ^^^^^^^
[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(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for dyn ASTNode {
[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/bytecode/mod.rs:236:45
[INFO] [stdout]     |
[INFO] [stdout] 236 |             .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:260:45
[INFO] [stdout]     |
[INFO] [stdout] 260 |             .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:309:53
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:322:55
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     .map_err( |why | String::from(why.description()))
[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/bytecode/mod.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:356:58
[INFO] [stdout]     |
[INFO] [stdout] 356 |                          .map_err(|why| String::from(why.description())));
[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/bytecode/mod.rs:400:46
[INFO] [stdout]     |
[INFO] [stdout] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]    --> src/bytecode/mod.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling seax_util v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/bytecode/tests.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(not(feature = "nightly"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `unstable`
[INFO] [stdout]    = help: consider adding `nightly` 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: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/bytecode/tests.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(feature = "nightly")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `unstable`
[INFO] [stdout]    = help: consider adding `nightly` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for ASTNode {
[INFO] [stdout]    |                     ^^^^^^^
[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(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for dyn ASTNode {
[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/bytecode/mod.rs:236:45
[INFO] [stdout]     |
[INFO] [stdout] 236 |             .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:260:45
[INFO] [stdout]     |
[INFO] [stdout] 260 |             .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:309:53
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:322:55
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     .map_err( |why | String::from(why.description()))
[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/bytecode/mod.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     .map_err(|why| String::from(why.description()))
[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/bytecode/mod.rs:356:58
[INFO] [stdout]     |
[INFO] [stdout] 356 |                          .map_err(|why| String::from(why.description())));
[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/bytecode/mod.rs:400:46
[INFO] [stdout]     |
[INFO] [stdout] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]    --> src/bytecode/mod.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `Command { std: "docker" "inspect" "d09d37703ebe2f11b218fb3bf16b61851a172a27203465ae2d605f9b498febae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09d37703ebe2f11b218fb3bf16b61851a172a27203465ae2d605f9b498febae", kill_on_drop: false }`
[INFO] [stdout] d09d37703ebe2f11b218fb3bf16b61851a172a27203465ae2d605f9b498febae
