[INFO] fetching crate subleq 0.0.99...
[INFO] testing subleq-0.0.99 against 1.90.0 for beta-1.91-3
[INFO] extracting crate subleq 0.0.99 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate subleq 0.0.99
[INFO] finished tweaking crates.io crate subleq 0.0.99
[INFO] tweaked toml for crates.io crate subleq 0.0.99 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate subleq 0.0.99 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate subleq 0.0.99 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e0f506e7c95ca464d16ca4a7dc66c740eb3e0c6df467b710ddb3ec2ceaaa5d0
[INFO] running `Command { std: "docker" "start" "-a" "6e0f506e7c95ca464d16ca4a7dc66c740eb3e0c6df467b710ddb3ec2ceaaa5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e0f506e7c95ca464d16ca4a7dc66c740eb3e0c6df467b710ddb3ec2ceaaa5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0f506e7c95ca464d16ca4a7dc66c740eb3e0c6df467b710ddb3ec2ceaaa5d0", kill_on_drop: false }`
[INFO] [stdout] 6e0f506e7c95ca464d16ca4a7dc66c740eb3e0c6df467b710ddb3ec2ceaaa5d0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17a41008c20d20c51292903aadb60af42ea5bd0a48b9db0e6d307af23185351d
[INFO] running `Command { std: "docker" "start" "-a" "17a41008c20d20c51292903aadb60af42ea5bd0a48b9db0e6d307af23185351d", kill_on_drop: false }`
[INFO] [stderr]    Compiling subleq v0.0.99 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "17a41008c20d20c51292903aadb60af42ea5bd0a48b9db0e6d307af23185351d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a41008c20d20c51292903aadb60af42ea5bd0a48b9db0e6d307af23185351d", kill_on_drop: false }`
[INFO] [stdout] 17a41008c20d20c51292903aadb60af42ea5bd0a48b9db0e6d307af23185351d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a4b3bbb05ff5460bb90f4e44fcf3d60af8fa51a6d82771decf2cf1e53a2e9a
[INFO] running `Command { std: "docker" "start" "-a" "c0a4b3bbb05ff5460bb90f4e44fcf3d60af8fa51a6d82771decf2cf1e53a2e9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling subleq v0.0.99 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/subleq.rs:114:11
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut vm = VM::new();
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/subleq.rs:114:7
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut vm = VM::new();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "c0a4b3bbb05ff5460bb90f4e44fcf3d60af8fa51a6d82771decf2cf1e53a2e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a4b3bbb05ff5460bb90f4e44fcf3d60af8fa51a6d82771decf2cf1e53a2e9a", kill_on_drop: false }`
[INFO] [stdout] c0a4b3bbb05ff5460bb90f4e44fcf3d60af8fa51a6d82771decf2cf1e53a2e9a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac06f4c2c18084e1fc134bb76cc53b99cf1cae128a67e7ecd2722ad98e3c1a3b
[INFO] running `Command { std: "docker" "start" "-a" "ac06f4c2c18084e1fc134bb76cc53b99cf1cae128a67e7ecd2722ad98e3c1a3b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]    --> src/subleq.rs:114:11
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut vm = VM::new();
[INFO] [stderr]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/subleq.rs:114:7
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut vm = VM::new();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `subleq` (lib test) generated 2 warnings (run `cargo fix --lib -p subleq --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/subleq.rs (/opt/rustwide/target/debug/deps/subleq-673522de4d99a413)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/subleq-542576a64a2a9b55)
[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 subleq
[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" "ac06f4c2c18084e1fc134bb76cc53b99cf1cae128a67e7ecd2722ad98e3c1a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac06f4c2c18084e1fc134bb76cc53b99cf1cae128a67e7ecd2722ad98e3c1a3b", kill_on_drop: false }`
[INFO] [stdout] ac06f4c2c18084e1fc134bb76cc53b99cf1cae128a67e7ecd2722ad98e3c1a3b