[INFO] cloning repository https://github.com/tbruckschlegel/basic_rust_vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tbruckschlegel/basic_rust_vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbruckschlegel%2Fbasic_rust_vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbruckschlegel%2Fbasic_rust_vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c4cde90b1417573518345ae1cc0841a6dfcc424
[INFO] checking tbruckschlegel/basic_rust_vm against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbruckschlegel%2Fbasic_rust_vm" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tbruckschlegel/basic_rust_vm on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tbruckschlegel/basic_rust_vm
[INFO] finished tweaking git repo https://github.com/tbruckschlegel/basic_rust_vm
[INFO] tweaked toml for git repo https://github.com/tbruckschlegel/basic_rust_vm written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tbruckschlegel/basic_rust_vm 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de2985cba9e3eeddd4dc69705154cf5476a9ad453641cdaee69879cf17293ee2
[INFO] running `Command { std: "docker" "start" "-a" "de2985cba9e3eeddd4dc69705154cf5476a9ad453641cdaee69879cf17293ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de2985cba9e3eeddd4dc69705154cf5476a9ad453641cdaee69879cf17293ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2985cba9e3eeddd4dc69705154cf5476a9ad453641cdaee69879cf17293ee2", kill_on_drop: false }`
[INFO] [stdout] de2985cba9e3eeddd4dc69705154cf5476a9ad453641cdaee69879cf17293ee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48437fdc7dd130d7531831d717c219d9c25ffad07c8184c9ff2ed5606ff3cb83
[INFO] running `Command { std: "docker" "start" "-a" "48437fdc7dd130d7531831d717c219d9c25ffad07c8184c9ff2ed5606ff3cb83", kill_on_drop: false }`
[INFO] [stderr]     Checking basic_rust_vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Instruction {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Sub(usize, usize, usize), // Subtract values from two registers and store in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     Mul(usize, usize, usize), // Multiply values from two registers and store in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Div(usize, usize, usize), // Divide values from two registers and store in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     Mod(usize, usize, usize), // Modulo values from two registers and store in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     Eq(usize, usize, usize), // Check equality of two registers and store result in a target register
[INFO] [stdout]    |     ^^
[INFO] [stdout] 18 |     Neq(usize, usize, usize), // Check inequality of two registers and store result in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Gt(usize, usize, usize), // Check greater than between two registers and store result in a target register
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     Lt(usize, usize, usize), // Check less than between two registers and store result in a target register
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     Gte(usize, usize, usize), // Check greater than or equal to between two registers and store result in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 22 |     Lte(usize, usize, usize), // Check less than or equal to between two registers and store result in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     Jump(usize),              // Jump to a specific instruction offset
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     JumpIfZero(usize, usize), // Jump if register value is zero
[INFO] [stdout] 25 |     JumpIfNonZero(usize, usize), // Jump if register value is non-zero
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Instruction {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Mul(usize, usize, usize), // Multiply values from two registers and store in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Div(usize, usize, usize), // Divide values from two registers and store in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     Mod(usize, usize, usize), // Modulo values from two registers and store in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     Eq(usize, usize, usize), // Check equality of two registers and store result in a target register
[INFO] [stdout]    |     ^^
[INFO] [stdout] 18 |     Neq(usize, usize, usize), // Check inequality of two registers and store result in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Gt(usize, usize, usize), // Check greater than between two registers and store result in a target register
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     Lt(usize, usize, usize), // Check less than between two registers and store result in a target register
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     Gte(usize, usize, usize), // Check greater than or equal to between two registers and store result in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 22 |     Lte(usize, usize, usize), // Check less than or equal to between two registers and store result in a target register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     Jump(usize),              // Jump to a specific instruction offset
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     JumpIfZero(usize, usize), // Jump if register value is zero
[INFO] [stdout] 25 |     JumpIfNonZero(usize, usize), // Jump if register value is non-zero
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "48437fdc7dd130d7531831d717c219d9c25ffad07c8184c9ff2ed5606ff3cb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48437fdc7dd130d7531831d717c219d9c25ffad07c8184c9ff2ed5606ff3cb83", kill_on_drop: false }`
[INFO] [stdout] 48437fdc7dd130d7531831d717c219d9c25ffad07c8184c9ff2ed5606ff3cb83
