[INFO] cloning repository https://github.com/ubsan/z80
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ubsan/z80" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubsan%2Fz80", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubsan%2Fz80'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6feaeac2aaae11e9353caf6688cc993cd3568fee
[INFO] checking ubsan/z80 against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubsan%2Fz80" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ubsan/z80
[INFO] finished tweaking git repo https://github.com/ubsan/z80
[INFO] tweaked toml for git repo https://github.com/ubsan/z80 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ubsan/z80 on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ubsan/z80 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded vec_map v0.7.0
[INFO] [stderr]   Downloaded clap v2.23.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95dd235131b5f9632c27190107b0ffd9130e65bda2f7aee28440821b2db738f8
[INFO] running `Command { std: "docker" "start" "-a" "95dd235131b5f9632c27190107b0ffd9130e65bda2f7aee28440821b2db738f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95dd235131b5f9632c27190107b0ffd9130e65bda2f7aee28440821b2db738f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95dd235131b5f9632c27190107b0ffd9130e65bda2f7aee28440821b2db738f8", kill_on_drop: false }`
[INFO] [stdout] 95dd235131b5f9632c27190107b0ffd9130e65bda2f7aee28440821b2db738f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 035de4437a7727485962f6845ba06bbee23b54d47511baad61319ddb76b70567
[INFO] running `Command { std: "docker" "start" "-a" "035de4437a7727485962f6845ba06bbee23b54d47511baad61319ddb76b70567", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking clap v2.23.3
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking retro v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |   peripherals: Box<[&'a mut Peripheral]>,
[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] 84 |   peripherals: Box<[&'a mut dyn Peripheral]>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |   peripherals: Box<[&'a mut Peripheral]>,
[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] 84 |   peripherals: Box<[&'a mut dyn Peripheral]>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:88:36
[INFO] [stdout]    |
[INFO] [stdout] 88 |   fn new(peripherals: Box<[&'a mut Peripheral]>) -> Self {
[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] 88 |   fn new(peripherals: Box<[&'a mut dyn Peripheral]>) -> Self {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:88:36
[INFO] [stdout]    |
[INFO] [stdout] 88 |   fn new(peripherals: Box<[&'a mut Peripheral]>) -> Self {
[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] 88 |   fn new(peripherals: Box<[&'a mut dyn Peripheral]>) -> Self {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/chip/mod.rs:58:33
[INFO] [stdout]    |
[INFO] [stdout] 58 |         (res, false, false, res.count_ones() % 2 == 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `Extensions::count_ones(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(wrapping_int_impl)]` to the crate attributes to enable `Wrapping::<u8>::count_ones`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 + #![feature(wrapping_int_impl)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/chip/mod.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (res, false, false, res.count_ones() % 2 == 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `Extensions::count_ones(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(wrapping_int_impl)]` to the crate attributes to enable `Wrapping::<u8>::count_ones`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 + #![feature(wrapping_int_impl)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/chip/mod.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 |         (res, false, false, res.count_ones() % 2 == 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `Extensions::count_ones(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(wrapping_int_impl)]` to the crate attributes to enable `Wrapping::<u8>::count_ones`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 + #![feature(wrapping_int_impl)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/chip/mod.rs:58:33
[INFO] [stdout]    |
[INFO] [stdout] 58 |         (res, false, false, res.count_ones() % 2 == 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `Extensions::count_ones(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(wrapping_int_impl)]` to the crate attributes to enable `Wrapping::<u8>::count_ones`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 + #![feature(wrapping_int_impl)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/chip/mod.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (res, false, false, res.count_ones() % 2 == 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `Extensions::count_ones(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(wrapping_int_impl)]` to the crate attributes to enable `Wrapping::<u8>::count_ones`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 + #![feature(wrapping_int_impl)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/chip/mod.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 |         (res, false, false, res.count_ones() % 2 == 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `Extensions::count_ones(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(wrapping_int_impl)]` to the crate attributes to enable `Wrapping::<u8>::count_ones`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 + #![feature(wrapping_int_impl)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `overflowing_mul`, `overflowing_div`, `overflowing_rem`, and `overflowing_neg` are never used
[INFO] [stdout]   --> src/wrapping.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait Extensions: Sized {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 34 |   fn overflowing_mul(self, other: Self) -> (Self, bool);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 35 |   fn overflowing_div(self, other: Self) -> (Self, bool);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 36 |   fn overflowing_rem(self, other: Self) -> (Self, bool);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 37 |   fn overflowing_neg(self) -> (Self, bool);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `w` and `z` are never read
[INFO] [stdout]   --> src/chip/regs.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Regs {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |   pub w: w8,
[INFO] [stdout]    |       ^
[INFO] [stdout] 64 |   pub z: w8,
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Regs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `overflowing_mul`, `overflowing_div`, `overflowing_rem`, and `overflowing_neg` are never used
[INFO] [stdout]   --> src/wrapping.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait Extensions: Sized {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 34 |   fn overflowing_mul(self, other: Self) -> (Self, bool);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 35 |   fn overflowing_div(self, other: Self) -> (Self, bool);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 36 |   fn overflowing_rem(self, other: Self) -> (Self, bool);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 37 |   fn overflowing_neg(self) -> (Self, bool);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `w` and `z` are never read
[INFO] [stdout]   --> src/chip/regs.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Regs {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |   pub w: w8,
[INFO] [stdout]    |       ^
[INFO] [stdout] 64 |   pub z: w8,
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Regs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0, bitflags v0.8.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "035de4437a7727485962f6845ba06bbee23b54d47511baad61319ddb76b70567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035de4437a7727485962f6845ba06bbee23b54d47511baad61319ddb76b70567", kill_on_drop: false }`
[INFO] [stdout] 035de4437a7727485962f6845ba06bbee23b54d47511baad61319ddb76b70567
