[INFO] cloning repository https://github.com/d4rk-kn1gh7/toy-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d4rk-kn1gh7/toy-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd4rk-kn1gh7%2Ftoy-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd4rk-kn1gh7%2Ftoy-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ba639ef92d80da5148aea0a8c4269867bd21e48
[INFO] building d4rk-kn1gh7/toy-vm against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd4rk-kn1gh7%2Ftoy-vm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d4rk-kn1gh7/toy-vm on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d4rk-kn1gh7/toy-vm
[INFO] finished tweaking git repo https://github.com/d4rk-kn1gh7/toy-vm
[INFO] tweaked toml for git repo https://github.com/d4rk-kn1gh7/toy-vm written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/d4rk-kn1gh7/toy-vm 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a67d27b483a241b039b8ef7b828ca34406e5e53c4c2a2ea89d48a1c004e3c67f
[INFO] running `Command { std: "docker" "start" "-a" "a67d27b483a241b039b8ef7b828ca34406e5e53c4c2a2ea89d48a1c004e3c67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a67d27b483a241b039b8ef7b828ca34406e5e53c4c2a2ea89d48a1c004e3c67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67d27b483a241b039b8ef7b828ca34406e5e53c4c2a2ea89d48a1c004e3c67f", kill_on_drop: false }`
[INFO] [stdout] a67d27b483a241b039b8ef7b828ca34406e5e53c4c2a2ea89d48a1c004e3c67f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b4134a0d02304d011458c3adba19b1cf9890e8d24d7467f979b64b928fc4f0
[INFO] running `Command { std: "docker" "start" "-a" "92b4134a0d02304d011458c3adba19b1cf9890e8d24d7467f979b64b928fc4f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_io v0.1.9
[INFO] [stderr]    Compiling toy-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `bp` is never read
[INFO] [stdout]  --> src/vm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct VM {
[INFO] [stdout]   |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     bp: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VM` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "92b4134a0d02304d011458c3adba19b1cf9890e8d24d7467f979b64b928fc4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b4134a0d02304d011458c3adba19b1cf9890e8d24d7467f979b64b928fc4f0", kill_on_drop: false }`
[INFO] [stdout] 92b4134a0d02304d011458c3adba19b1cf9890e8d24d7467f979b64b928fc4f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f919362f5e1e66ffa41b23b37a8683cc0ad5d2dd906d93c00bd3658a3d50df6c
[INFO] running `Command { std: "docker" "start" "-a" "f919362f5e1e66ffa41b23b37a8683cc0ad5d2dd906d93c00bd3658a3d50df6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `bp` is never read
[INFO] [stdout]  --> src/vm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct VM {
[INFO] [stdout]   |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     bp: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VM` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "f919362f5e1e66ffa41b23b37a8683cc0ad5d2dd906d93c00bd3658a3d50df6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f919362f5e1e66ffa41b23b37a8683cc0ad5d2dd906d93c00bd3658a3d50df6c", kill_on_drop: false }`
[INFO] [stdout] f919362f5e1e66ffa41b23b37a8683cc0ad5d2dd906d93c00bd3658a3d50df6c