[INFO] fetching crate monster 0.1.28...
[INFO] testing monster-0.1.28 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate monster 0.1.28 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate monster 0.1.28
[INFO] finished tweaking crates.io crate monster 0.1.28
[INFO] tweaked toml for crates.io crate monster 0.1.28 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate monster 0.1.28 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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 lazy_static v0.1.16 (available: v1.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01e3f13acf0542dec0520a4444357a7b82661e6776ee3ef74deeb6f758144d49
[INFO] running `Command { std: "docker" "start" "-a" "01e3f13acf0542dec0520a4444357a7b82661e6776ee3ef74deeb6f758144d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01e3f13acf0542dec0520a4444357a7b82661e6776ee3ef74deeb6f758144d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e3f13acf0542dec0520a4444357a7b82661e6776ee3ef74deeb6f758144d49", kill_on_drop: false }`
[INFO] [stdout] 01e3f13acf0542dec0520a4444357a7b82661e6776ee3ef74deeb6f758144d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c53cbff51e95c8acb17f77f797f2feec87376ca10000123f6897509afe6e80c5
[INFO] running `Command { std: "docker" "start" "-a" "c53cbff51e95c8acb17f77f797f2feec87376ca10000123f6897509afe6e80c5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling monster v0.1.28 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(write_format(&mut buffer, fmt, args));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 _   => try!(buffer.write_char(ch))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         Some(arg) => try!(write!(buffer, "{}", arg)),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/incubation/map_ref_mut.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let dummy: T = mem::uninitialized();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:39:67
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[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] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&dyn Display]) -> Result<()> {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn format(fmt: &str, args: &[&dyn Display]) -> Result<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/incubation/fmt/error.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |         write!(f, "Formatting error: {}", self.description())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stdout]    |                      ^^^^^^^---------------------------------------
[INFO] [stdout]    |                      |      |
[INFO] [stdout]    |                      |      any code following this expression is unreachable
[INFO] [stdout]    |                      unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]  --> src/incubation/ref_eq.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | /         &**self as *const <Self as Deref>::Target ==
[INFO] [stdout] 6 | |         &**other as *const <Self as Deref>::Target
[INFO] [stdout]   | |__________________________________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]   |
[INFO] [stdout] 5 -         &**self as *const <Self as Deref>::Target ==
[INFO] [stdout] 5 +         std::ptr::addr_eq(&**self as *const <Self as Deref>::Target, &**other as *const <Self as Deref>::Target)
[INFO] [stdout]   |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]   |
[INFO] [stdout] 5 -         &**self as *const <Self as Deref>::Target ==
[INFO] [stdout] 5 +         std::ptr::eq(&**self as *const <Self as Deref>::Target, &**other as *const <Self as Deref>::Target)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c53cbff51e95c8acb17f77f797f2feec87376ca10000123f6897509afe6e80c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53cbff51e95c8acb17f77f797f2feec87376ca10000123f6897509afe6e80c5", kill_on_drop: false }`
[INFO] [stdout] c53cbff51e95c8acb17f77f797f2feec87376ca10000123f6897509afe6e80c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 102ec9be44bd7e5372af08580b9c155a83f60fad42155d1d0dc1d1d1a14aeb7d
[INFO] running `Command { std: "docker" "start" "-a" "102ec9be44bd7e5372af08580b9c155a83f60fad42155d1d0dc1d1d1a14aeb7d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(write_format(&mut buffer, fmt, args));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 _   => try!(buffer.write_char(ch))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         Some(arg) => try!(write!(buffer, "{}", arg)),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/incubation/map_ref_mut.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let dummy: T = mem::uninitialized();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:39:67
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[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] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&dyn Display]) -> Result<()> {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn format(fmt: &str, args: &[&dyn Display]) -> Result<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/incubation/fmt/error.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |         write!(f, "Formatting error: {}", self.description())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stdout]    |                      ^^^^^^^---------------------------------------
[INFO] [stdout]    |                      |      |
[INFO] [stdout]    |                      |      any code following this expression is unreachable
[INFO] [stdout]    |                      unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]  --> src/incubation/ref_eq.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | /         &**self as *const <Self as Deref>::Target ==
[INFO] [stdout] 6 | |         &**other as *const <Self as Deref>::Target
[INFO] [stdout]   | |__________________________________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]   |
[INFO] [stdout] 5 -         &**self as *const <Self as Deref>::Target ==
[INFO] [stdout] 5 +         std::ptr::addr_eq(&**self as *const <Self as Deref>::Target, &**other as *const <Self as Deref>::Target)
[INFO] [stdout]   |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]   |
[INFO] [stdout] 5 -         &**self as *const <Self as Deref>::Target ==
[INFO] [stdout] 5 +         std::ptr::eq(&**self as *const <Self as Deref>::Target, &**other as *const <Self as Deref>::Target)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling monster v0.1.28 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(write_format(&mut buffer, fmt, args));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 _   => try!(buffer.write_char(ch))
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         Some(arg) => try!(write!(buffer, "{}", arg)),
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(buffer.write_char(ch));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/incubation/map_ref_mut.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let dummy: T = mem::uninitialized();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:39:67
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[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] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&dyn Display]) -> Result<()> {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn format(fmt: &str, args: &[&dyn Display]) -> Result<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/incubation/fmt/error.rs:18:48
[INFO] [stdout]    |
[INFO] [stdout] 18 |         write!(f, "Formatting error: {}", self.description())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stdout]    |                      ^^^^^^^---------------------------------------
[INFO] [stdout]    |                      |      |
[INFO] [stdout]    |                      |      any code following this expression is unreachable
[INFO] [stdout]    |                      unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]  --> src/incubation/ref_eq.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | /         &**self as *const <Self as Deref>::Target ==
[INFO] [stdout] 6 | |         &**other as *const <Self as Deref>::Target
[INFO] [stdout]   | |__________________________________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]   |
[INFO] [stdout] 5 -         &**self as *const <Self as Deref>::Target ==
[INFO] [stdout] 5 +         std::ptr::addr_eq(&**self as *const <Self as Deref>::Target, &**other as *const <Self as Deref>::Target)
[INFO] [stdout]   |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]   |
[INFO] [stdout] 5 -         &**self as *const <Self as Deref>::Target ==
[INFO] [stdout] 5 +         std::ptr::eq(&**self as *const <Self as Deref>::Target, &**other as *const <Self as Deref>::Target)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "102ec9be44bd7e5372af08580b9c155a83f60fad42155d1d0dc1d1d1a14aeb7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102ec9be44bd7e5372af08580b9c155a83f60fad42155d1d0dc1d1d1a14aeb7d", kill_on_drop: false }`
[INFO] [stdout] 102ec9be44bd7e5372af08580b9c155a83f60fad42155d1d0dc1d1d1a14aeb7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cb5872d1fac62dc1e9a2151b20c5e0d26f056fca8fadac014082538b1c6c634
[INFO] running `Command { std: "docker" "start" "-a" "2cb5872d1fac62dc1e9a2151b20c5e0d26f056fca8fadac014082538b1c6c634", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(write_format(&mut buffer, fmt, args));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 _   => try!(buffer.write_char(ch))
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     try!(buffer.write_char(ch));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:59:38
[INFO] [stderr]    |
[INFO] [stderr] 59 |                         Some(arg) => try!(write!(buffer, "{}", arg)),
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     try!(buffer.write_char(ch));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/incubation/map_ref_mut.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let dummy: T = mem::uninitialized();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:39:67
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[INFO] [stderr]    |                                                                   ^^^^^^^
[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(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&dyn Display]) -> Result<()> {
[INFO] [stderr]    |                                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[INFO] [stderr]    |                                   ^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn format(fmt: &str, args: &[&dyn Display]) -> Result<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/incubation/fmt/error.rs:18:48
[INFO] [stderr]    |
[INFO] [stderr] 18 |         write!(f, "Formatting error: {}", self.description())
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stderr]    |                      ^^^^^^^---------------------------------------
[INFO] [stderr]    |                      |      |
[INFO] [stderr]    |                      |      any code following this expression is unreachable
[INFO] [stderr]    |                      unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stderr]  --> src/incubation/ref_eq.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | /         &**self as *const <Self as Deref>::Target ==
[INFO] [stderr] 6 | |         &**other as *const <Self as Deref>::Target
[INFO] [stderr]   | |__________________________________________________^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stderr] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stderr]   |
[INFO] [stderr] 5 -         &**self as *const <Self as Deref>::Target ==
[INFO] [stderr] 5 +         std::ptr::addr_eq(&**self as *const <Self as Deref>::Target, &**other as *const <Self as Deref>::Target)
[INFO] [stderr]   |
[INFO] [stderr] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stderr]   |
[INFO] [stderr] 5 -         &**self as *const <Self as Deref>::Target ==
[INFO] [stderr] 5 +         std::ptr::eq(&**self as *const <Self as Deref>::Target, &**other as *const <Self as Deref>::Target)
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `monster` (lib) generated 11 warnings (run `cargo fix --lib -p monster` to apply 2 suggestions)
[INFO] [stderr] warning: `monster` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/monster-1a353cceae69f469)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test incubation::ref_eq::test::ref_eq_box ... ok
[INFO] [stdout] test incubation::ref_eq::test::ref_eq_rc ... ok
[INFO] [stdout] test incubation::reverse_bitorder::test::sample_u16 ... ok
[INFO] [stdout] test incubation::reverse_bitorder::test::sample_u8 ... ok
[INFO] [stdout] test incubation::slice_take_while::test::slice_take_while_basic ... ok
[INFO] [stdout] test incubation::split_int::test::mut_u16_get_high ... ok
[INFO] [stdout] test incubation::split_int::test::mut_u16_get_low ... ok
[INFO] [stdout] test incubation::split_int::test::mut_u16_set_high ... ok
[INFO] [stdout] test incubation::split_int::test::mut_u16_set_low ... ok
[INFO] [stdout] test incubation::slice_take_while::test::slice_take_while_empty ... ok
[INFO] [stdout] test incubation::split_int::test::u16_high ... ok
[INFO] [stdout] test incubation::slice_take_while::test::slice_take_while_identity ... ok
[INFO] [stdout] test incubation::reverse_bitorder::test::involution_u8 ... ok
[INFO] [stdout] test incubation::split_int::test::u16_low ... ok
[INFO] [stdout] test incubation::swap_tuple::tests::swap_tuple_ref ... ok
[INFO] [stdout] test incubation::swap_tuple::tests::swap_tuple_value ... ok
[INFO] [stdout] test incubation::ref_eq::test::ref_eq_literal ... ok
[INFO] [stdout] test incubation::reverse_bitorder::test::involution_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monster
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/incubation/anon.rs - incubation::anon::anon (line 4) ... ok
[INFO] [stdout] test src/incubation/find_and_take.rs - incubation::find_and_take (line 4) ... ok
[INFO] [stdout] test src/incubation/with_lock.rs - incubation::with_lock::WithLock::with_lock (line 7) ... ok
[INFO] [stdout] test src/incubation/map_ref_mut.rs - incubation::map_ref_mut::MapRefMutExt::map_ref_mut (line 35) ... ok
[INFO] [stdout] test src/incubation/slice_drop_last.rs - incubation::slice_drop_last (line 3) ... ok
[INFO] [stdout] test src/incubation/slice_drop_first.rs - incubation::slice_drop_first (line 3) ... ok
[INFO] [stdout] test src/incubation/some_if.rs - incubation::some_if::some_if (line 5) ... ok
[INFO] [stdout] test src/incubation/fmt/mod.rs - incubation::fmt::format (line 22) ... ok
[INFO] [stdout] test src/incubation/map_ref_mut.rs - incubation::map_ref_mut::map_ref_mut (line 9) ... ok
[INFO] [stdout] test src/incubation/macro_init_tests.rs - incubation::macro_init_tests::init_tests (line 5) ... ok
[INFO] [stdout] test src/incubation/global_init_cleanup.rs - incubation::global_init_cleanup (line 3) ... ok
[INFO] [stdout] test src/incubation/mutate.rs - incubation::mutate::mutate (line 5) ... ok
[INFO] [stdout] test src/incubation/zip_ends.rs - incubation::zip_ends::ZipEnds (line 6) ... ok
[INFO] [stdout] test src/incubation/macro_array_type.rs - incubation::macro_array_type::array_type (line 19) ... ok
[INFO] [stdout] test src/incubation/owning_ref_mut.rs - incubation::owning_ref_mut::OwningRefMut (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cb5872d1fac62dc1e9a2151b20c5e0d26f056fca8fadac014082538b1c6c634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb5872d1fac62dc1e9a2151b20c5e0d26f056fca8fadac014082538b1c6c634", kill_on_drop: false }`
[INFO] [stdout] 2cb5872d1fac62dc1e9a2151b20c5e0d26f056fca8fadac014082538b1c6c634
