[INFO] cloning repository https://github.com/L4852/cpusim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/L4852/cpusim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL4852%2Fcpusim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL4852%2Fcpusim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e9ed7b047fcccd9c4627302d19492a36f545a17
[INFO] checking L4852/cpusim against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL4852%2Fcpusim" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/L4852/cpusim
[INFO] finished tweaking git repo https://github.com/L4852/cpusim
[INFO] tweaked toml for git repo https://github.com/L4852/cpusim written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/L4852/cpusim on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/L4852/cpusim 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c9a98a7cd67b1eb7e2bcc3efa621fee4bdf662b861a0be0ba6294e3f29e9249
[INFO] running `Command { std: "docker" "start" "-a" "7c9a98a7cd67b1eb7e2bcc3efa621fee4bdf662b861a0be0ba6294e3f29e9249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c9a98a7cd67b1eb7e2bcc3efa621fee4bdf662b861a0be0ba6294e3f29e9249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9a98a7cd67b1eb7e2bcc3efa621fee4bdf662b861a0be0ba6294e3f29e9249", kill_on_drop: false }`
[INFO] [stdout] 7c9a98a7cd67b1eb7e2bcc3efa621fee4bdf662b861a0be0ba6294e3f29e9249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb26f952faaa98b4a99ef544b8be8b439bb12753d16fe38635d0ec26424f9630
[INFO] running `Command { std: "docker" "start" "-a" "cb26f952faaa98b4a99ef544b8be8b439bb12753d16fe38635d0ec26424f9630", kill_on_drop: false }`
[INFO] [stderr]     Checking cpusim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `demo` is never used
[INFO] [stdout]    --> src/main.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl Processor {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 255 |     fn demo(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_program_as_assembly` is never used
[INFO] [stdout]    --> src/main.rs:526:4
[INFO] [stdout]     |
[INFO] [stdout] 526 | fn print_program_as_assembly(program: &Vec<u32>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_raw_bytes_as_hex` is never used
[INFO] [stdout]    --> src/main.rs:532:4
[INFO] [stdout]     |
[INFO] [stdout] 532 | fn print_raw_bytes_as_hex(bytes: &Vec<u8>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_machine_code_bin` is never used
[INFO] [stdout]    --> src/main.rs:538:4
[INFO] [stdout]     |
[INFO] [stdout] 538 | fn print_machine_code_bin(machine_code: &Vec<u32>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `machine_code_as_bin_raw` is never used
[INFO] [stdout]    --> src/main.rs:545:4
[INFO] [stdout]     |
[INFO] [stdout] 545 | fn machine_code_as_bin_raw(program: &Vec<u32>) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bin_raw_as_machine_code` is never used
[INFO] [stdout]    --> src/main.rs:551:4
[INFO] [stdout]     |
[INFO] [stdout] 551 | fn bin_raw_as_machine_code(bytes: &Vec<u8>) -> Vec<u32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes_to_file` is never used
[INFO] [stdout]    --> src/main.rs:559:4
[INFO] [stdout]     |
[INFO] [stdout] 559 | fn write_bytes_to_file(data: Vec<u8>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `demo` is never used
[INFO] [stdout]    --> src/main.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl Processor {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 255 |     fn demo(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_program_as_assembly` is never used
[INFO] [stdout]    --> src/main.rs:526:4
[INFO] [stdout]     |
[INFO] [stdout] 526 | fn print_program_as_assembly(program: &Vec<u32>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_raw_bytes_as_hex` is never used
[INFO] [stdout]    --> src/main.rs:532:4
[INFO] [stdout]     |
[INFO] [stdout] 532 | fn print_raw_bytes_as_hex(bytes: &Vec<u8>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_machine_code_bin` is never used
[INFO] [stdout]    --> src/main.rs:538:4
[INFO] [stdout]     |
[INFO] [stdout] 538 | fn print_machine_code_bin(machine_code: &Vec<u32>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `machine_code_as_bin_raw` is never used
[INFO] [stdout]    --> src/main.rs:545:4
[INFO] [stdout]     |
[INFO] [stdout] 545 | fn machine_code_as_bin_raw(program: &Vec<u32>) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bin_raw_as_machine_code` is never used
[INFO] [stdout]    --> src/main.rs:551:4
[INFO] [stdout]     |
[INFO] [stdout] 551 | fn bin_raw_as_machine_code(bytes: &Vec<u8>) -> Vec<u32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_bytes_to_file` is never used
[INFO] [stdout]    --> src/main.rs:559:4
[INFO] [stdout]     |
[INFO] [stdout] 559 | fn write_bytes_to_file(data: Vec<u8>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "cb26f952faaa98b4a99ef544b8be8b439bb12753d16fe38635d0ec26424f9630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb26f952faaa98b4a99ef544b8be8b439bb12753d16fe38635d0ec26424f9630", kill_on_drop: false }`
[INFO] [stdout] cb26f952faaa98b4a99ef544b8be8b439bb12753d16fe38635d0ec26424f9630
