[INFO] cloning repository https://github.com/Nufflee/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/Nufflee/x86-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNufflee%2Fx86-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNufflee%2Fx86-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0298449ee867134c5f2e376433a40016c22a5ab4
[INFO] testing Nufflee/x86-emulator against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNufflee%2Fx86-emulator" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nufflee/x86-emulator on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nufflee/x86-emulator
[INFO] finished tweaking git repo https://github.com/Nufflee/x86-emulator
[INFO] tweaked toml for git repo https://github.com/Nufflee/x86-emulator written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Nufflee/x86-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 536a866dd487861fdb2b327b979cdbbd326bea4851cd2270d1d36e6d26e22f8c
[INFO] running `Command { std: "docker" "start" "-a" "536a866dd487861fdb2b327b979cdbbd326bea4851cd2270d1d36e6d26e22f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536a866dd487861fdb2b327b979cdbbd326bea4851cd2270d1d36e6d26e22f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536a866dd487861fdb2b327b979cdbbd326bea4851cd2270d1d36e6d26e22f8c", kill_on_drop: false }`
[INFO] [stdout] 536a866dd487861fdb2b327b979cdbbd326bea4851cd2270d1d36e6d26e22f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e168c0463db9b530a854da1c9eaa46398da5daf3cc81a7bb082971068aed5c78
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e168c0463db9b530a854da1c9eaa46398da5daf3cc81a7bb082971068aed5c78", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling wasm-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `has_16bit_prefix`
[INFO] [stdout]   --> src/instruction_decoder.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let has_16bit_prefix = self.reader.match_value(0x66u8);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_16bit_prefix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/byte_reader/mod.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_at_end`
[INFO] [stdout]   --> src/byte_reader/mod.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn is_at_end(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign_extend`
[INFO] [stdout]    --> src/cpu.rs:482:4
[INFO] [stdout]     |
[INFO] [stdout] 482 | fn sign_extend<TFrom, TTo>(value: TFrom) -> TTo
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push8`
[INFO] [stdout]   --> src/stack.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn push8(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop8`
[INFO] [stdout]   --> src/stack.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn pop8(&mut self) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.70s
[INFO] running `Command { std: "docker" "inspect" "e168c0463db9b530a854da1c9eaa46398da5daf3cc81a7bb082971068aed5c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e168c0463db9b530a854da1c9eaa46398da5daf3cc81a7bb082971068aed5c78", kill_on_drop: false }`
[INFO] [stdout] e168c0463db9b530a854da1c9eaa46398da5daf3cc81a7bb082971068aed5c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69ff8e3bd8a6401c0ddbe61d8018e866066c94e6a501848b88de360bbff3c42
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e69ff8e3bd8a6401c0ddbe61d8018e866066c94e6a501848b88de360bbff3c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `has_16bit_prefix`
[INFO] [stdout]   --> src/instruction_decoder.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let has_16bit_prefix = self.reader.match_value(0x66u8);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_16bit_prefix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push8`
[INFO] [stdout]   --> src/stack.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn push8(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop8`
[INFO] [stdout]   --> src/stack.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn pop8(&mut self) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/wasm_emulator-a8baf029a362fbfe)
[INFO] running `Command { std: "docker" "inspect" "e69ff8e3bd8a6401c0ddbe61d8018e866066c94e6a501848b88de360bbff3c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69ff8e3bd8a6401c0ddbe61d8018e866066c94e6a501848b88de360bbff3c42", kill_on_drop: false }`
[INFO] [stdout] e69ff8e3bd8a6401c0ddbe61d8018e866066c94e6a501848b88de360bbff3c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4d706a7809dfb31b5987685ca68989a70dfecde521e2cb4bdda4782d9c509d5
[INFO] running `Command { std: "docker" "start" "-a" "b4d706a7809dfb31b5987685ca68989a70dfecde521e2cb4bdda4782d9c509d5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `has_16bit_prefix`
[INFO] [stderr]   --> src/instruction_decoder.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let has_16bit_prefix = self.reader.match_value(0x66u8);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_16bit_prefix`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push8`
[INFO] [stderr]   --> src/stack.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn push8(&mut self, value: u8) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop8`
[INFO] [stderr]   --> src/stack.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn pop8(&mut self) -> u8 {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wasm-emulator` (bin "wasm-emulator" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wasm_emulator-a8baf029a362fbfe)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test byte_reader::tests::next_16 ... ok
[INFO] [stdout] test byte_reader::tests::next_8 ... ok
[INFO] [stdout] test byte_reader::tests::peek_32 ... ok
[INFO] [stdout] test cpu::tests::test_sign_extend32 ... ok
[INFO] [stdout] test cpu::tests::test_sign_extend ... ok
[INFO] [stdout] test cpu::tests::test_sign_of ... ok
[INFO] [stdout] test stack::tests::test_stack ... ok
[INFO] [stdout] test byte_reader::tests::next_32 ... ok
[INFO] [stdout] test cpu::tests::test_subtractive_flags ... ok
[INFO] [stdout] test cpu::tests::test_additive_flags ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4d706a7809dfb31b5987685ca68989a70dfecde521e2cb4bdda4782d9c509d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d706a7809dfb31b5987685ca68989a70dfecde521e2cb4bdda4782d9c509d5", kill_on_drop: false }`
[INFO] [stdout] b4d706a7809dfb31b5987685ca68989a70dfecde521e2cb4bdda4782d9c509d5