[INFO] cloning repository https://github.com/lkristjansen/lc3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkristjansen/lc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkristjansen%2Flc3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkristjansen%2Flc3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdc2ce826da9f3a1d07453f0fa0ddbdce7eb8e42
[INFO] checking lkristjansen/lc3 against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkristjansen%2Flc3" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lkristjansen/lc3 on toolchain 5dfe648b45659db8dd0a673a806bba3df84aa3af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lkristjansen/lc3
[INFO] finished tweaking git repo https://github.com/lkristjansen/lc3
[INFO] tweaked toml for git repo https://github.com/lkristjansen/lc3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lkristjansen/lc3 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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce61fbdff820a78ca461af2365b0a4c6315b071e6957c81d4829a24981d57513
[INFO] running `Command { std: "docker" "start" "-a" "ce61fbdff820a78ca461af2365b0a4c6315b071e6957c81d4829a24981d57513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce61fbdff820a78ca461af2365b0a4c6315b071e6957c81d4829a24981d57513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce61fbdff820a78ca461af2365b0a4c6315b071e6957c81d4829a24981d57513", kill_on_drop: false }`
[INFO] [stdout] ce61fbdff820a78ca461af2365b0a4c6315b071e6957c81d4829a24981d57513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8936509d5c48c098105dc69728f90a9a143b1e6003e14e6ff41266f39da81e6
[INFO] running `Command { std: "docker" "start" "-a" "c8936509d5c48c098105dc69728f90a9a143b1e6003e14e6ff41266f39da81e6", kill_on_drop: false }`
[INFO] [stderr]     Checking lc3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `REG_COND` is never used
[INFO] [stdout]   --> src/vm.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const REG_COND: RegisterIndex = RegisterIndex(9);
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/vm.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | enum Opcode {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 118 |     Branch,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     JumpRegister,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 138 |     And,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 139 |     LoadRegister,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 140 |     StoreRegister,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 141 |     Unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 142 |     Not,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 143 |     LoadIndirect,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 144 |     StoreIndirect,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 145 |     Jump,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 146 |     Reserved,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 147 |     LoadEffectiveAddress,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 148 |     Trap,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_COND` is never used
[INFO] [stdout]   --> src/vm.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const REG_COND: RegisterIndex = RegisterIndex(9);
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/vm.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | enum Opcode {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 118 |     Branch,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     JumpRegister,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 138 |     And,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 139 |     LoadRegister,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 140 |     StoreRegister,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 141 |     Unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 142 |     Not,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 143 |     LoadIndirect,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 144 |     StoreIndirect,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 145 |     Jump,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 146 |     Reserved,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 147 |     LoadEffectiveAddress,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 148 |     Trap,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "c8936509d5c48c098105dc69728f90a9a143b1e6003e14e6ff41266f39da81e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8936509d5c48c098105dc69728f90a9a143b1e6003e14e6ff41266f39da81e6", kill_on_drop: false }`
[INFO] [stdout] c8936509d5c48c098105dc69728f90a9a143b1e6003e14e6ff41266f39da81e6