[INFO] cloning repository https://github.com/codefionn/rust-customvmcpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codefionn/rust-customvmcpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodefionn%2Frust-customvmcpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodefionn%2Frust-customvmcpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daf53580af293aca08c6310def64ed2ef1bf56b7
[INFO] checking codefionn/rust-customvmcpu against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodefionn%2Frust-customvmcpu" "/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/codefionn/rust-customvmcpu on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codefionn/rust-customvmcpu
[INFO] finished tweaking git repo https://github.com/codefionn/rust-customvmcpu
[INFO] tweaked toml for git repo https://github.com/codefionn/rust-customvmcpu written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/codefionn/rust-customvmcpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded logos-derive v0.12.0
[INFO] [stderr]   Downloaded logos v0.12.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5bac74941a30e0a17721e18d4174d247edf54dfbf69bfbedd113b986377494c
[INFO] running `Command { std: "docker" "start" "-a" "f5bac74941a30e0a17721e18d4174d247edf54dfbf69bfbedd113b986377494c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5bac74941a30e0a17721e18d4174d247edf54dfbf69bfbedd113b986377494c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bac74941a30e0a17721e18d4174d247edf54dfbf69bfbedd113b986377494c", kill_on_drop: false }`
[INFO] [stdout] f5bac74941a30e0a17721e18d4174d247edf54dfbf69bfbedd113b986377494c
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eba6062bc8b0d7ae623237c2783796a21226a6df04380287a9a62ec66cb21bd
[INFO] running `Command { std: "docker" "start" "-a" "1eba6062bc8b0d7ae623237c2783796a21226a6df04380287a9a62ec66cb21bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking libcustomvmcpu v0.1.0 (/opt/rustwide/workdir/src/libcustomvmcpu)
[INFO] [stdout] warning: unused imports: `ERROR_START_NUM`, `Error`, `LAST_REGISTER`, `Register`
[INFO] [stdout]   --> src/libcustomvmcpu/src/parser.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 | use super::common::{OpCode, Register, Error, LAST_REGISTER, ERROR_START_NUM};
[INFO] [stdout]    |                             ^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::runtime::utils`
[INFO] [stdout]   --> src/libcustomvmcpu/src/parser.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use super::runtime::utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]   --> src/libcustomvmcpu/src/parser.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 | use logos::{Logos, Lexer};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `this`
[INFO] [stdout]    --> src/libcustomvmcpu/src/runtime.rs:356:61
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     self.unary_check_write_ip(instruction, |this: &mut Self, x| x == 0);
[INFO] [stdout]     |                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_this`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `this`
[INFO] [stdout]    --> src/libcustomvmcpu/src/runtime.rs:359:61
[INFO] [stdout]     |
[INFO] [stdout] 359 |                     self.unary_check_write_ip(instruction, |this: &mut Self, x| x != 0);
[INFO] [stdout]     |                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_this`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `this`
[INFO] [stdout]    --> src/libcustomvmcpu/src/runtime.rs:363:26
[INFO] [stdout]     |
[INFO] [stdout] 363 |                         |this: &mut Self, x| i32::from_le_bytes(u32::to_le_bytes(x)) < 0
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_this`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `this`
[INFO] [stdout]    --> src/libcustomvmcpu/src/runtime.rs:368:26
[INFO] [stdout]     |
[INFO] [stdout] 368 |                         |this: &mut Self, x| i32::from_le_bytes(u32::to_le_bytes(x)) > 0
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_this`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_unknown_register_value`
[INFO] [stdout]    --> src/libcustomvmcpu/src/runtime.rs:491:8
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn write_unknown_register_value(&mut self, reg: u8, value: u32) {
[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: `get_two_register_and_immediate`
[INFO] [stdout]    --> src/libcustomvmcpu/src/runtime.rs:583:8
[INFO] [stdout]     |
[INFO] [stdout] 583 |     fn get_two_register_and_immediate(instruction: u32) -> (u8, u8, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rust-customvmcpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]   --> src/main.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 | use libcustomvmcpu::common::{OpCode, Register, Error, ERROR_START_NUM};
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]   --> src/main.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 | use libcustomvmcpu::common::{OpCode, Register, Error, ERROR_START_NUM};
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Interpreter`
[INFO] [stdout]   --> src/main.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libcustomvmcpu::runtime::{Interpreter, BinaryVirtualMachine, BinaryInterpreter};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Interpreter`
[INFO] [stdout]   --> src/main.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libcustomvmcpu::runtime::{Interpreter, BinaryVirtualMachine, BinaryInterpreter};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.31s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1eba6062bc8b0d7ae623237c2783796a21226a6df04380287a9a62ec66cb21bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eba6062bc8b0d7ae623237c2783796a21226a6df04380287a9a62ec66cb21bd", kill_on_drop: false }`
[INFO] [stdout] 1eba6062bc8b0d7ae623237c2783796a21226a6df04380287a9a62ec66cb21bd