[INFO] cloning repository https://github.com/imoken1122/x86_emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imoken1122/x86_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoken1122%2Fx86_emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoken1122%2Fx86_emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ef3cb1729f6643338c9802c36bb4f9dba444b65
[INFO] testing imoken1122/x86_emulator against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoken1122%2Fx86_emulator" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
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[INFO] validating manifest of git repo https://github.com/imoken1122/x86_emulator on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imoken1122/x86_emulator
[INFO] finished tweaking git repo https://github.com/imoken1122/x86_emulator
[INFO] tweaked toml for git repo https://github.com/imoken1122/x86_emulator written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/imoken1122/x86_emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 640b2f132c30789217570c0df99ebbe06c058aca2e376c3cf4abcd13598bdb84
[INFO] running `Command { std: "docker" "start" "-a" "640b2f132c30789217570c0df99ebbe06c058aca2e376c3cf4abcd13598bdb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640b2f132c30789217570c0df99ebbe06c058aca2e376c3cf4abcd13598bdb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640b2f132c30789217570c0df99ebbe06c058aca2e376c3cf4abcd13598bdb84", kill_on_drop: false }`
[INFO] [stdout] 640b2f132c30789217570c0df99ebbe06c058aca2e376c3cf4abcd13598bdb84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1c675eff412619b16b7b24a79323dac55867775fb6d03555c54f94f3ab01e0d
[INFO] running `Command { std: "docker" "start" "-a" "b1c675eff412619b16b7b24a79323dac55867775fb6d03555c54f94f3ab01e0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling x86emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::*`
[INFO] [stdout]    --> src/function.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | use libc::*;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]   --> src/main.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump_memory`
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `register_name` should have an upper case name
[INFO] [stdout]   --> src/main.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const register_name:[&str;REGISTER_COUNT]= ["EAX", "ECX", "EDX", "EBX", "ESP", "EBP", "ESI", "EDI"];
[INFO] [stdout]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `REGISTER_NAME`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bios_to_terminal` should have an upper case name
[INFO] [stdout]  --> src/bios.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const bios_to_terminal : [u8; 8] = [30, 34, 32, 36, 31, 35, 33, 37]; 
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BIOS_TO_TERMINAL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.83s
[INFO] running `Command { std: "docker" "inspect" "b1c675eff412619b16b7b24a79323dac55867775fb6d03555c54f94f3ab01e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c675eff412619b16b7b24a79323dac55867775fb6d03555c54f94f3ab01e0d", kill_on_drop: false }`
[INFO] [stdout] b1c675eff412619b16b7b24a79323dac55867775fb6d03555c54f94f3ab01e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87447eaed4590e2faf8cf6d71f1673fa8aa53ed8744c25ce7f569d6ab44f97d2
[INFO] running `Command { std: "docker" "start" "-a" "87447eaed4590e2faf8cf6d71f1673fa8aa53ed8744c25ce7f569d6ab44f97d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::*`
[INFO] [stdout]    --> src/function.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | use libc::*;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]   --> src/main.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump_memory`
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `register_name` should have an upper case name
[INFO] [stdout]   --> src/main.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const register_name:[&str;REGISTER_COUNT]= ["EAX", "ECX", "EDX", "EBX", "ESP", "EBP", "ESI", "EDI"];
[INFO] [stdout]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `REGISTER_NAME`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bios_to_terminal` should have an upper case name
[INFO] [stdout]  --> src/bios.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const bios_to_terminal : [u8; 8] = [30, 34, 32, 36, 31, 35, 33, 37]; 
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BIOS_TO_TERMINAL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "87447eaed4590e2faf8cf6d71f1673fa8aa53ed8744c25ce7f569d6ab44f97d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87447eaed4590e2faf8cf6d71f1673fa8aa53ed8744c25ce7f569d6ab44f97d2", kill_on_drop: false }`
[INFO] [stdout] 87447eaed4590e2faf8cf6d71f1673fa8aa53ed8744c25ce7f569d6ab44f97d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61697da550a6493037e11f96091bc8d16596e2a65012e9dcffbad24df209863a
[INFO] running `Command { std: "docker" "start" "-a" "61697da550a6493037e11f96091bc8d16596e2a65012e9dcffbad24df209863a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libc::*`
[INFO] [stderr]    --> src/function.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 | use libc::*;
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `emu`
[INFO] [stderr]   --> src/main.rs:61:16
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dump_memory`
[INFO] [stderr]   --> src/main.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `register_name` should have an upper case name
[INFO] [stderr]   --> src/main.rs:21:11
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub const register_name:[&str;REGISTER_COUNT]= ["EAX", "ECX", "EDX", "EBX", "ESP", "EBP", "ESI", "EDI"];
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `REGISTER_NAME`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `bios_to_terminal` should have an upper case name
[INFO] [stderr]  --> src/bios.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const bios_to_terminal : [u8; 8] = [30, 34, 32, 36, 31, 35, 33, 37]; 
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BIOS_TO_TERMINAL`
[INFO] [stderr] 
[INFO] [stderr] warning: `x86emu` (bin "x86emu" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/x86emu-4311a2571641453d)
[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" "61697da550a6493037e11f96091bc8d16596e2a65012e9dcffbad24df209863a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61697da550a6493037e11f96091bc8d16596e2a65012e9dcffbad24df209863a", kill_on_drop: false }`
[INFO] [stdout] 61697da550a6493037e11f96091bc8d16596e2a65012e9dcffbad24df209863a