[INFO] cloning repository https://github.com/gil0mendes/rust-lc3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gil0mendes/rust-lc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgil0mendes%2Frust-lc3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgil0mendes%2Frust-lc3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8fba8bf14efa798b1763dd43271cb983954472c
[INFO] testing gil0mendes/rust-lc3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgil0mendes%2Frust-lc3" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gil0mendes/rust-lc3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gil0mendes/rust-lc3
[INFO] finished tweaking git repo https://github.com/gil0mendes/rust-lc3
[INFO] tweaked toml for git repo https://github.com/gil0mendes/rust-lc3 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/gil0mendes/rust-lc3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1af23636508e309db139d950abb0018b037445acbfffaae1a4480a3c80927aa
[INFO] running `Command { std: "docker" "start" "-a" "b1af23636508e309db139d950abb0018b037445acbfffaae1a4480a3c80927aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1af23636508e309db139d950abb0018b037445acbfffaae1a4480a3c80927aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1af23636508e309db139d950abb0018b037445acbfffaae1a4480a3c80927aa", kill_on_drop: false }`
[INFO] [stdout] b1af23636508e309db139d950abb0018b037445acbfffaae1a4480a3c80927aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e47b6412cd2f7e8f85d06dcca8354a352e40a7625098278c0bc742f0d26a908
[INFO] running `Command { std: "docker" "start" "-a" "9e47b6412cd2f7e8f85d06dcca8354a352e40a7625098278c0bc742f0d26a908", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lc-3-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Instructions`
[INFO] [stdout]  --> src/emulator/cpu/instructions.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Instructions {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Flags`
[INFO] [stdout]  --> src/emulator/cpu/registers.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Flags {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Registers`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Registers {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MEMORY_SIZE`
[INFO] [stdout]  --> src/emulator/memory.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MEMORY_SIZE: usize = u16::MAX as usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Memory`
[INFO] [stdout]  --> src/emulator/memory.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Memory {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "9e47b6412cd2f7e8f85d06dcca8354a352e40a7625098278c0bc742f0d26a908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e47b6412cd2f7e8f85d06dcca8354a352e40a7625098278c0bc742f0d26a908", kill_on_drop: false }`
[INFO] [stdout] 9e47b6412cd2f7e8f85d06dcca8354a352e40a7625098278c0bc742f0d26a908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbef4f49aa313450437623a67fe326fd07397970d5a31a47842ffcd63ee2f7d9
[INFO] running `Command { std: "docker" "start" "-a" "fbef4f49aa313450437623a67fe326fd07397970d5a31a47842ffcd63ee2f7d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lc-3-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Instructions`
[INFO] [stdout]  --> src/emulator/cpu/instructions.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Instructions {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Flags`
[INFO] [stdout]  --> src/emulator/cpu/registers.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Flags {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Registers`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Registers {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MEMORY_SIZE`
[INFO] [stdout]  --> src/emulator/memory.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MEMORY_SIZE: usize = u16::MAX as usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Memory`
[INFO] [stdout]  --> src/emulator/memory.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Memory {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "fbef4f49aa313450437623a67fe326fd07397970d5a31a47842ffcd63ee2f7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbef4f49aa313450437623a67fe326fd07397970d5a31a47842ffcd63ee2f7d9", kill_on_drop: false }`
[INFO] [stdout] fbef4f49aa313450437623a67fe326fd07397970d5a31a47842ffcd63ee2f7d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76434cd3df6c6ce2fd2bb9eac4a689aa0de9142f840ab7104fe57fbc34662b43
[INFO] running `Command { std: "docker" "start" "-a" "76434cd3df6c6ce2fd2bb9eac4a689aa0de9142f840ab7104fe57fbc34662b43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: enum is never used: `Instructions`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/emulator/cpu/instructions.rs:4:10
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 | pub enum Instructions {
[INFO] [stdout] 
[INFO] [stderr]   |          ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Flags`
[INFO] [stderr]  --> src/emulator/cpu/registers.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Flags {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Registers`
[INFO] [stderr]   --> src/emulator/cpu/registers.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Registers {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MEMORY_SIZE`
[INFO] [stderr]  --> src/emulator/memory.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const MEMORY_SIZE: usize = u16::MAX as usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Memory`
[INFO] [stderr]  --> src/emulator/memory.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Memory {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lc-3-rust` (bin "lc-3-rust" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lc_3_rust-e256cc674b05eeaf)
[INFO] running `Command { std: "docker" "inspect" "76434cd3df6c6ce2fd2bb9eac4a689aa0de9142f840ab7104fe57fbc34662b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76434cd3df6c6ce2fd2bb9eac4a689aa0de9142f840ab7104fe57fbc34662b43", kill_on_drop: false }`
[INFO] [stdout] 76434cd3df6c6ce2fd2bb9eac4a689aa0de9142f840ab7104fe57fbc34662b43