[INFO] cloning repository https://github.com/jnsahaj/monkey-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jnsahaj/monkey-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnsahaj%2Fmonkey-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnsahaj%2Fmonkey-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 293b4a73a29e721f3c41bf206a97998bf0c142e7
[INFO] checking jnsahaj/monkey-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnsahaj%2Fmonkey-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jnsahaj/monkey-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jnsahaj/monkey-rs
[INFO] finished tweaking git repo https://github.com/jnsahaj/monkey-rs
[INFO] tweaked toml for git repo https://github.com/jnsahaj/monkey-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jnsahaj/monkey-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96592f413b899d81604005bb403ace5cb7d01741a932baab5fe26759b6857763
[INFO] running `Command { std: "docker" "start" "-a" "96592f413b899d81604005bb403ace5cb7d01741a932baab5fe26759b6857763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96592f413b899d81604005bb403ace5cb7d01741a932baab5fe26759b6857763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96592f413b899d81604005bb403ace5cb7d01741a932baab5fe26759b6857763", kill_on_drop: false }`
[INFO] [stdout] 96592f413b899d81604005bb403ace5cb7d01741a932baab5fe26759b6857763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1de27b302f67644dfe85653509d7a164b0bdc952177dda6cdb8418bbfe6737f1
[INFO] running `Command { std: "docker" "start" "-a" "1de27b302f67644dfe85653509d7a164b0bdc952177dda6cdb8418bbfe6737f1", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/compiler/vm.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/compiler/vm.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 Op::Constant => {
[INFO] [stdout]     |                 ------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 137 |                 op @ (Op::Add | Op::Sub | Op::Mul | Op::Div) => {
[INFO] [stdout]     |                       ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 141 |                 Op::Pop => {
[INFO] [stdout]     |                 ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 144 |                 Op::True => self.push(TRUE)?,
[INFO] [stdout]     |                 -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 163 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/compiler/vm.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/compiler/vm.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 Op::Constant => {
[INFO] [stdout]     |                 ------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 137 |                 op @ (Op::Add | Op::Sub | Op::Mul | Op::Div) => {
[INFO] [stdout]     |                       ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 141 |                 Op::Pop => {
[INFO] [stdout]     |                 ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 144 |                 Op::True => self.push(TRUE)?,
[INFO] [stdout]     |                 -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 163 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "1de27b302f67644dfe85653509d7a164b0bdc952177dda6cdb8418bbfe6737f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de27b302f67644dfe85653509d7a164b0bdc952177dda6cdb8418bbfe6737f1", kill_on_drop: false }`
[INFO] [stdout] 1de27b302f67644dfe85653509d7a164b0bdc952177dda6cdb8418bbfe6737f1