[INFO] cloning repository https://github.com/agneum14/y86
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agneum14/y86" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagneum14%2Fy86", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagneum14%2Fy86'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 488fe9f75c25ca6e55278253987aa6bba4495e36
[INFO] testing agneum14/y86 against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagneum14%2Fy86" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/agneum14/y86
[INFO] finished tweaking git repo https://github.com/agneum14/y86
[INFO] tweaked toml for git repo https://github.com/agneum14/y86 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/agneum14/y86 on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/agneum14/y86 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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing agneum14/y86 against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagneum14%2Fy86" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/agneum14/y86
[INFO] finished tweaking git repo https://github.com/agneum14/y86
[INFO] tweaked toml for git repo https://github.com/agneum14/y86 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/agneum14/y86 on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/agneum14/y86 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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 quote v1.0.34
[INFO] [stderr]   Downloaded proc-macro2 v1.0.72
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded bytemuck v1.14.0
[INFO] [stderr]   Downloaded clap v4.4.12
[INFO] [stderr]   Downloaded binrw_derive v0.13.3
[INFO] [stderr]   Downloaded binrw v0.13.3
[INFO] [stderr]   Downloaded clap_builder v4.4.12
[INFO] [stderr]   Downloaded syn v2.0.43
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d63dc86db05bf562a87c2bea3423c2f29d8b1a929364e914a2195d64788ec04b
[INFO] running `Command { std: "docker" "start" "-a" "d63dc86db05bf562a87c2bea3423c2f29d8b1a929364e914a2195d64788ec04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63dc86db05bf562a87c2bea3423c2f29d8b1a929364e914a2195d64788ec04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63dc86db05bf562a87c2bea3423c2f29d8b1a929364e914a2195d64788ec04b", kill_on_drop: false }`
[INFO] [stdout] d63dc86db05bf562a87c2bea3423c2f29d8b1a929364e914a2195d64788ec04b
[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=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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d96a21225521e5e4030f9063f87cea03b332d258e06aee1a7f30477f4c40a2
[INFO] running `Command { std: "docker" "start" "-a" "47d96a21225521e5e4030f9063f87cea03b332d258e06aee1a7f30477f4c40a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.72
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling binrw_derive v0.13.3
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling binrw v0.13.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling anstream v0.6.5
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling clap_builder v4.4.12
[INFO] [stderr]    Compiling quote v1.0.34
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling clap v4.4.12
[INFO] [stderr]    Compiling y86sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `reg`, `zf`, `sf`, and `of` are never read
[INFO] [stdout]   --> src/disas.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 18 |     reg: [Address; NUM_REGS as usize],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     zf: Flag,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     sf: Flag,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     of: Flag,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         dump_memory(&memory, 0, MEMSIZE);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let _ = dump_memory(&memory, 0, MEMSIZE);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             dump_memory(&memory, phdr.vaddr as u16, (phdr.vaddr + phdr.size) as u16);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = dump_memory(&memory, phdr.vaddr as u16, (phdr.vaddr + phdr.size) as u16);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: binrw v0.13.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "47d96a21225521e5e4030f9063f87cea03b332d258e06aee1a7f30477f4c40a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d96a21225521e5e4030f9063f87cea03b332d258e06aee1a7f30477f4c40a2", kill_on_drop: false }`
[INFO] [stdout] 47d96a21225521e5e4030f9063f87cea03b332d258e06aee1a7f30477f4c40a2
[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=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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc25e95df2c8159fa04ee41b5606567c96b4bfdfa1218c7baf736fc5c2d9c0bc
[INFO] running `Command { std: "docker" "start" "-a" "dc25e95df2c8159fa04ee41b5606567c96b4bfdfa1218c7baf736fc5c2d9c0bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling y86sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `reg`, `zf`, `sf`, and `of` are never read
[INFO] [stdout]   --> src/disas.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 18 |     reg: [Address; NUM_REGS as usize],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     zf: Flag,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     sf: Flag,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     of: Flag,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         dump_memory(&memory, 0, MEMSIZE);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let _ = dump_memory(&memory, 0, MEMSIZE);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             dump_memory(&memory, phdr.vaddr as u16, (phdr.vaddr + phdr.size) as u16);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = dump_memory(&memory, phdr.vaddr as u16, (phdr.vaddr + phdr.size) as u16);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: binrw v0.13.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "dc25e95df2c8159fa04ee41b5606567c96b4bfdfa1218c7baf736fc5c2d9c0bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc25e95df2c8159fa04ee41b5606567c96b4bfdfa1218c7baf736fc5c2d9c0bc", kill_on_drop: false }`
[INFO] [stdout] dc25e95df2c8159fa04ee41b5606567c96b4bfdfa1218c7baf736fc5c2d9c0bc
[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=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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9496eb85e18dcec6f3685ec42cd8ea043244f23c68aba282d3b2dc6962dc5c22
[INFO] running `Command { std: "docker" "start" "-a" "9496eb85e18dcec6f3685ec42cd8ea043244f23c68aba282d3b2dc6962dc5c22", kill_on_drop: false }`
[INFO] [stderr] warning: fields `reg`, `zf`, `sf`, and `of` are never read
[INFO] [stderr]   --> src/disas.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Cpu {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 18 |     reg: [Address; NUM_REGS as usize],
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 19 |     zf: Flag,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 20 |     sf: Flag,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 21 |     of: Flag,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         dump_memory(&memory, 0, MEMSIZE);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let _ = dump_memory(&memory, 0, MEMSIZE);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             dump_memory(&memory, phdr.vaddr as u16, (phdr.vaddr + phdr.size) as u16);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let _ = dump_memory(&memory, phdr.vaddr as u16, (phdr.vaddr + phdr.size) as u16);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `y86sim` (bin "y86sim" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: binrw v0.13.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/y86sim-f3d8db318d115d9d)
[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" "9496eb85e18dcec6f3685ec42cd8ea043244f23c68aba282d3b2dc6962dc5c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9496eb85e18dcec6f3685ec42cd8ea043244f23c68aba282d3b2dc6962dc5c22", kill_on_drop: false }`
[INFO] [stdout] 9496eb85e18dcec6f3685ec42cd8ea043244f23c68aba282d3b2dc6962dc5c22
