[INFO] cloning repository https://github.com/w-gomes/LMC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/w-gomes/LMC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw-gomes%2FLMC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw-gomes%2FLMC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7ace1198027e622e9f0942169b7fbd3d7fb7d8a
[INFO] testing w-gomes/LMC against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw-gomes%2FLMC" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/w-gomes/LMC on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/w-gomes/LMC
[INFO] finished tweaking git repo https://github.com/w-gomes/LMC
[INFO] tweaked toml for git repo https://github.com/w-gomes/LMC written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/w-gomes/LMC already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d735cbbd90bec56fdb280d9dd1e00882ac45635d0326cc30408c4132da00a6cc
[INFO] running `Command { std: "docker" "start" "-a" "d735cbbd90bec56fdb280d9dd1e00882ac45635d0326cc30408c4132da00a6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d735cbbd90bec56fdb280d9dd1e00882ac45635d0326cc30408c4132da00a6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d735cbbd90bec56fdb280d9dd1e00882ac45635d0326cc30408c4132da00a6cc", kill_on_drop: false }`
[INFO] [stdout] d735cbbd90bec56fdb280d9dd1e00882ac45635d0326cc30408c4132da00a6cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f35dbe89b63e9bc6d253f593531720fff991ef006f7b24920051cc3f1048c342
[INFO] running `Command { std: "docker" "start" "-a" "f35dbe89b63e9bc6d253f593531720fff991ef006f7b24920051cc3f1048c342", kill_on_drop: false }`
[INFO] [stderr]    Compiling little-man-computer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `insts1`
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let insts1 = vec![901, 308, 901, 309, 508, 209, 902, 000];
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insts1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insts3`
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let insts3 = vec![901, 310, 901, 210, 807, 510, 608, 110, 902, 000];
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insts3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "f35dbe89b63e9bc6d253f593531720fff991ef006f7b24920051cc3f1048c342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35dbe89b63e9bc6d253f593531720fff991ef006f7b24920051cc3f1048c342", kill_on_drop: false }`
[INFO] [stdout] f35dbe89b63e9bc6d253f593531720fff991ef006f7b24920051cc3f1048c342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb6749b370aaee1a7a35ac11c38cbf026a3186338b505f3ea6eccbda5333d5e
[INFO] running `Command { std: "docker" "start" "-a" "bcb6749b370aaee1a7a35ac11c38cbf026a3186338b505f3ea6eccbda5333d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling little-man-computer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `insts1`
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let insts1 = vec![901, 308, 901, 309, 508, 209, 902, 000];
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insts1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insts3`
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let insts3 = vec![901, 310, 901, 210, 807, 510, 608, 110, 902, 000];
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insts3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "bcb6749b370aaee1a7a35ac11c38cbf026a3186338b505f3ea6eccbda5333d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb6749b370aaee1a7a35ac11c38cbf026a3186338b505f3ea6eccbda5333d5e", kill_on_drop: false }`
[INFO] [stdout] bcb6749b370aaee1a7a35ac11c38cbf026a3186338b505f3ea6eccbda5333d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16056b64ae197f31d0c32236051d5ff480b0c6f5de008f2d1c62b1f4d8854dbb
[INFO] running `Command { std: "docker" "start" "-a" "16056b64ae197f31d0c32236051d5ff480b0c6f5de008f2d1c62b1f4d8854dbb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `insts1`
[INFO] [stderr]    --> src/main.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let insts1 = vec![901, 308, 901, 309, 508, 209, 902, 000];
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insts1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `insts3`
[INFO] [stderr]    --> src/main.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let insts3 = vec![901, 310, 901, 210, 807, 510, 608, 110, 902, 000];
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_insts3`
[INFO] [stderr] 
[INFO] [stderr] warning: `little-man-computer` (bin "little-man-computer" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/little_man_computer-258cd7fa94a76a78)
[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" "16056b64ae197f31d0c32236051d5ff480b0c6f5de008f2d1c62b1f4d8854dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16056b64ae197f31d0c32236051d5ff480b0c6f5de008f2d1c62b1f4d8854dbb", kill_on_drop: false }`
[INFO] [stdout] 16056b64ae197f31d0c32236051d5ff480b0c6f5de008f2d1c62b1f4d8854dbb