[INFO] cloning repository https://github.com/stisol/loxr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stisol/loxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2Floxr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2Floxr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ab3d10dcd5638d77941ac730aa11b50fcf57b17
[INFO] testing stisol/loxr against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2Floxr" "/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/stisol/loxr on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stisol/loxr
[INFO] finished tweaking git repo https://github.com/stisol/loxr
[INFO] tweaked toml for git repo https://github.com/stisol/loxr written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stisol/loxr 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 698105ccda15f7b19fc5a0fd991d93c2dd0d7224dce9abcee81606e18f1fec73
[INFO] running `Command { std: "docker" "start" "-a" "698105ccda15f7b19fc5a0fd991d93c2dd0d7224dce9abcee81606e18f1fec73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "698105ccda15f7b19fc5a0fd991d93c2dd0d7224dce9abcee81606e18f1fec73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698105ccda15f7b19fc5a0fd991d93c2dd0d7224dce9abcee81606e18f1fec73", kill_on_drop: false }`
[INFO] [stdout] 698105ccda15f7b19fc5a0fd991d93c2dd0d7224dce9abcee81606e18f1fec73
[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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa810b31dd26a37e4a42b6dd03ed9ff241bfc8e57a36c82ace93c4f1a7b1a93b
[INFO] running `Command { std: "docker" "start" "-a" "aa810b31dd26a37e4a42b6dd03ed9ff241bfc8e57a36c82ace93c4f1a7b1a93b", kill_on_drop: false }`
[INFO] [stderr]    Compiling loxr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/vm.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Chunk, OpCode, Value};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/vm.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stdout]    |                 ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout] note: these patterns collectively make the last one unreachable
[INFO] [stdout]   --> src/vm.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 OpCode::Return => return Ok(()),
[INFO] [stdout]    |                 -------------- matches some of the same values
[INFO] [stdout] 30 |                 OpCode::Constant => {
[INFO] [stdout]    |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     vm.run();
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = vm.run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "aa810b31dd26a37e4a42b6dd03ed9ff241bfc8e57a36c82ace93c4f1a7b1a93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa810b31dd26a37e4a42b6dd03ed9ff241bfc8e57a36c82ace93c4f1a7b1a93b", kill_on_drop: false }`
[INFO] [stdout] aa810b31dd26a37e4a42b6dd03ed9ff241bfc8e57a36c82ace93c4f1a7b1a93b
[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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d77287059040a04add4cce44418e4d7384db1f435340b4b2801b8a0930a99fa
[INFO] running `Command { std: "docker" "start" "-a" "1d77287059040a04add4cce44418e4d7384db1f435340b4b2801b8a0930a99fa", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/vm.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Chunk, OpCode, Value};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling loxr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/vm.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stdout]    |                 ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout] note: these patterns collectively make the last one unreachable
[INFO] [stdout]   --> src/vm.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 OpCode::Return => return Ok(()),
[INFO] [stdout]    |                 -------------- matches some of the same values
[INFO] [stdout] 30 |                 OpCode::Constant => {
[INFO] [stdout]    |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/vm.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Chunk, OpCode, Value};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     vm.run();
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = vm.run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/vm.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stdout]    |                 ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout] note: these patterns collectively make the last one unreachable
[INFO] [stdout]   --> src/vm.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 OpCode::Return => return Ok(()),
[INFO] [stdout]    |                 -------------- matches some of the same values
[INFO] [stdout] 30 |                 OpCode::Constant => {
[INFO] [stdout]    |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stdout]    |                 ^ collectively making 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "1d77287059040a04add4cce44418e4d7384db1f435340b4b2801b8a0930a99fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d77287059040a04add4cce44418e4d7384db1f435340b4b2801b8a0930a99fa", kill_on_drop: false }`
[INFO] [stdout] 1d77287059040a04add4cce44418e4d7384db1f435340b4b2801b8a0930a99fa
[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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e05cd7fc108b771b7d3abb7bb3ad22b33b17623b4a38aa56cd116cb6afa79fae
[INFO] running `Command { std: "docker" "start" "-a" "e05cd7fc108b771b7d3abb7bb3ad22b33b17623b4a38aa56cd116cb6afa79fae", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/vm.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Chunk, OpCode, Value};
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/vm.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stderr]    |                 ^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr] note: these patterns collectively make the last one unreachable
[INFO] [stderr]   --> src/vm.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 OpCode::Return => return Ok(()),
[INFO] [stderr]    |                 -------------- matches some of the same values
[INFO] [stderr] 30 |                 OpCode::Constant => {
[INFO] [stderr]    |                 ---------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stderr]    |                 ^ collectively making this unreachable
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `loxr` (lib) generated 2 warnings (run `cargo fix --lib -p loxr` to apply 1 suggestion)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     vm.run();
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let _ = vm.run();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `loxr` (bin "loxr" test) generated 1 warning
[INFO] [stderr] warning: `loxr` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/loxr-a5b0b60c6e52067e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/loxr-651a5307b4766efa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests loxr
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e05cd7fc108b771b7d3abb7bb3ad22b33b17623b4a38aa56cd116cb6afa79fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05cd7fc108b771b7d3abb7bb3ad22b33b17623b4a38aa56cd116cb6afa79fae", kill_on_drop: false }`
[INFO] [stdout] e05cd7fc108b771b7d3abb7bb3ad22b33b17623b4a38aa56cd116cb6afa79fae