[INFO] fetching crate subleq 0.0.99...
[INFO] building subleq-0.0.99 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate subleq 0.0.99 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate subleq 0.0.99 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de7b0eb811a1bab4280e5ba798c0a1152f2fccd2a83b68323dac6afd79ee996a
[INFO] running `Command { std: "docker" "start" "-a" "de7b0eb811a1bab4280e5ba798c0a1152f2fccd2a83b68323dac6afd79ee996a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de7b0eb811a1bab4280e5ba798c0a1152f2fccd2a83b68323dac6afd79ee996a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7b0eb811a1bab4280e5ba798c0a1152f2fccd2a83b68323dac6afd79ee996a", kill_on_drop: false }`
[INFO] [stdout] de7b0eb811a1bab4280e5ba798c0a1152f2fccd2a83b68323dac6afd79ee996a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db51c70f29c33e836d1920df6b04c4148601d0c216c50c6d18c7b63a28b0299b
[INFO] running `Command { std: "docker" "start" "-a" "db51c70f29c33e836d1920df6b04c4148601d0c216c50c6d18c7b63a28b0299b", kill_on_drop: false }`
[INFO] [stderr]    Compiling subleq v0.0.99 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "db51c70f29c33e836d1920df6b04c4148601d0c216c50c6d18c7b63a28b0299b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db51c70f29c33e836d1920df6b04c4148601d0c216c50c6d18c7b63a28b0299b", kill_on_drop: false }`
[INFO] [stdout] db51c70f29c33e836d1920df6b04c4148601d0c216c50c6d18c7b63a28b0299b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a5f359ea40a1072d13edab74abe2aa455498ee6912f8f9fff298d35cd224b4a
[INFO] running `Command { std: "docker" "start" "-a" "6a5f359ea40a1072d13edab74abe2aa455498ee6912f8f9fff298d35cd224b4a", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "6a5f359ea40a1072d13edab74abe2aa455498ee6912f8f9fff298d35cd224b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5f359ea40a1072d13edab74abe2aa455498ee6912f8f9fff298d35cd224b4a", kill_on_drop: false }`
[INFO] [stdout] 6a5f359ea40a1072d13edab74abe2aa455498ee6912f8f9fff298d35cd224b4a