[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 try#3298c2ca5e390fd0d104357fdeec514a152a9561 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkristjansen%2Flc3" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lkristjansen/lc3 on toolchain 3298c2ca5e390fd0d104357fdeec514a152a9561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "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-7-tc2/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" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e642c55aa0977947fe02c9b180d828698ffb7c97f18542da6190565df8393b12
[INFO] running `Command { std: "docker" "start" "-a" "e642c55aa0977947fe02c9b180d828698ffb7c97f18542da6190565df8393b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e642c55aa0977947fe02c9b180d828698ffb7c97f18542da6190565df8393b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e642c55aa0977947fe02c9b180d828698ffb7c97f18542da6190565df8393b12", kill_on_drop: false }`
[INFO] [stdout] e642c55aa0977947fe02c9b180d828698ffb7c97f18542da6190565df8393b12
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb191fa347daa5eb0d4680bf0c78bd460a61c4bb977611cb4f343c44d005ebdf
[INFO] running `Command { std: "docker" "start" "-a" "fb191fa347daa5eb0d4680bf0c78bd460a61c4bb977611cb4f343c44d005ebdf", 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 0.14s
[INFO] running `Command { std: "docker" "inspect" "fb191fa347daa5eb0d4680bf0c78bd460a61c4bb977611cb4f343c44d005ebdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb191fa347daa5eb0d4680bf0c78bd460a61c4bb977611cb4f343c44d005ebdf", kill_on_drop: false }`
[INFO] [stdout] fb191fa347daa5eb0d4680bf0c78bd460a61c4bb977611cb4f343c44d005ebdf