[INFO] cloning repository https://github.com/hidexir/x86emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hidexir/x86emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhidexir%2Fx86emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhidexir%2Fx86emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ee6def792b88255e9bd7c378851e79bc379b060
[INFO] checking hidexir/x86emu against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhidexir%2Fx86emu" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hidexir/x86emu on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hidexir/x86emu
[INFO] finished tweaking git repo https://github.com/hidexir/x86emu
[INFO] tweaked toml for git repo https://github.com/hidexir/x86emu written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hidexir/x86emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f292a5efb2fa16914843187eaf3fc87e1edcc072f78d7f666d54eb0de73207c
[INFO] running `Command { std: "docker" "start" "-a" "5f292a5efb2fa16914843187eaf3fc87e1edcc072f78d7f666d54eb0de73207c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f292a5efb2fa16914843187eaf3fc87e1edcc072f78d7f666d54eb0de73207c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f292a5efb2fa16914843187eaf3fc87e1edcc072f78d7f666d54eb0de73207c", kill_on_drop: false }`
[INFO] [stdout] 5f292a5efb2fa16914843187eaf3fc87e1edcc072f78d7f666d54eb0de73207c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 588fe240ba172c5d07aa72cbd88d906e9f712110e46ae328926ca8bce2e9f71f
[INFO] running `Command { std: "docker" "start" "-a" "588fe240ba172c5d07aa72cbd88d906e9f712110e46ae328926ca8bce2e9f71f", kill_on_drop: false }`
[INFO] [stderr]     Checking x86emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::any::type_name`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::any::type_name;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `modrm::*`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use modrm::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::type_name`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::any::type_name;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `modrm::*`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use modrm::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:77:56
[INFO] [stdout]    |
[INFO] [stdout] 77 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:85:56
[INFO] [stdout]    |
[INFO] [stdout] 85 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:77:56
[INFO] [stdout]    |
[INFO] [stdout] 77 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:85:56
[INFO] [stdout]    |
[INFO] [stdout] 85 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EAX`
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const EAX: usize = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ECX`
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const ECX: usize = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EDX`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const EDX: usize = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EBX`
[INFO] [stdout]   --> src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | const EBX: usize = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EBP`
[INFO] [stdout]   --> src/main.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | const EBP: usize = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ESI`
[INFO] [stdout]   --> src/main.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const ESI: usize = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EDI`
[INFO] [stdout]   --> src/main.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | const EDI: usize = 7;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_of`
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn type_of<T>(_: T) -> String{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eflags`
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     eflags: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EAX`
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const EAX: usize = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ECX`
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const ECX: usize = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EDX`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const EDX: usize = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EBX`
[INFO] [stdout]   --> src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | const EBX: usize = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EBP`
[INFO] [stdout]   --> src/main.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | const EBP: usize = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ESI`
[INFO] [stdout]   --> src/main.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const ESI: usize = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EDI`
[INFO] [stdout]   --> src/main.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | const EDI: usize = 7;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_of`
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn type_of<T>(_: T) -> String{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eflags`
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     eflags: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "588fe240ba172c5d07aa72cbd88d906e9f712110e46ae328926ca8bce2e9f71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588fe240ba172c5d07aa72cbd88d906e9f712110e46ae328926ca8bce2e9f71f", kill_on_drop: false }`
[INFO] [stdout] 588fe240ba172c5d07aa72cbd88d906e9f712110e46ae328926ca8bce2e9f71f