[INFO] cloning repository https://github.com/TiagodePAlves/LC3-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TiagodePAlves/LC3-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiagodePAlves%2FLC3-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiagodePAlves%2FLC3-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99e3307849ffc8b8a4e1d1280eedff46a019ee01
[INFO] checking TiagodePAlves/LC3-vm against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiagodePAlves%2FLC3-vm" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TiagodePAlves/LC3-vm on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TiagodePAlves/LC3-vm
[INFO] finished tweaking git repo https://github.com/TiagodePAlves/LC3-vm
[INFO] tweaked toml for git repo https://github.com/TiagodePAlves/LC3-vm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/TiagodePAlves/LC3-vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 5ca83b226e22be30192050079819818d719dc756f8f2c3e1a6acd0346869fd31
[INFO] running `Command { std: "docker" "start" "-a" "5ca83b226e22be30192050079819818d719dc756f8f2c3e1a6acd0346869fd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ca83b226e22be30192050079819818d719dc756f8f2c3e1a6acd0346869fd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca83b226e22be30192050079819818d719dc756f8f2c3e1a6acd0346869fd31", kill_on_drop: false }`
[INFO] [stdout] 5ca83b226e22be30192050079819818d719dc756f8f2c3e1a6acd0346869fd31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2767c8c9aeaebd9ca591edea4714adbac8493896ec445fbb3e88dd1ece9df727
[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" "2767c8c9aeaebd9ca591edea4714adbac8493896ec445fbb3e88dd1ece9df727", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking lcvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib/memory.rs:66:63
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn load_program(filename: &String) -> std::io::Result<(Memory)> {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib/memory.rs:66:63
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn load_program(filename: &String) -> std::io::Result<(Memory)> {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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/lib/cpu.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Err(err) => if err.description() == "HALT" {
[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/lib/cpu.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Err(err) => if err.description() == "HALT" {
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "2767c8c9aeaebd9ca591edea4714adbac8493896ec445fbb3e88dd1ece9df727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2767c8c9aeaebd9ca591edea4714adbac8493896ec445fbb3e88dd1ece9df727", kill_on_drop: false }`
[INFO] [stdout] 2767c8c9aeaebd9ca591edea4714adbac8493896ec445fbb3e88dd1ece9df727