[INFO] cloning repository https://github.com/davidseid/hack-virtual-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidseid/hack-virtual-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidseid%2Fhack-virtual-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidseid%2Fhack-virtual-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82094d8d90dd4d5060af9bfeb503563d307faf25
[INFO] testing davidseid/hack-virtual-machine against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidseid%2Fhack-virtual-machine" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidseid/hack-virtual-machine on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidseid/hack-virtual-machine
[INFO] finished tweaking git repo https://github.com/davidseid/hack-virtual-machine
[INFO] tweaked toml for git repo https://github.com/davidseid/hack-virtual-machine written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/davidseid/hack-virtual-machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50bbbce14bfe06670e54b0c6628ba7bfb34d8abc66acfe302ff62262c6c028b8
[INFO] running `Command { std: "docker" "start" "-a" "50bbbce14bfe06670e54b0c6628ba7bfb34d8abc66acfe302ff62262c6c028b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50bbbce14bfe06670e54b0c6628ba7bfb34d8abc66acfe302ff62262c6c028b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50bbbce14bfe06670e54b0c6628ba7bfb34d8abc66acfe302ff62262c6c028b8", kill_on_drop: false }`
[INFO] [stdout] 50bbbce14bfe06670e54b0c6628ba7bfb34d8abc66acfe302ff62262c6c028b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e331fa44d7c8ae9a10e4091f726b85a63f1195453eb9711f578b4c46d9ce61
[INFO] running `Command { std: "docker" "start" "-a" "84e331fa44d7c8ae9a10e4091f726b85a63f1195453eb9711f578b4c46d9ce61", kill_on_drop: false }`
[INFO] [stderr]    Compiling hack-virtual-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `curr_vm_filename`
[INFO] [stdout]   --> src/code_writer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     curr_vm_filename: std::option::Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "84e331fa44d7c8ae9a10e4091f726b85a63f1195453eb9711f578b4c46d9ce61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e331fa44d7c8ae9a10e4091f726b85a63f1195453eb9711f578b4c46d9ce61", kill_on_drop: false }`
[INFO] [stdout] 84e331fa44d7c8ae9a10e4091f726b85a63f1195453eb9711f578b4c46d9ce61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3bdc13810c0f3acd42af80142d6aef41577400b2323cdaf12f6903e678d997d
[INFO] running `Command { std: "docker" "start" "-a" "c3bdc13810c0f3acd42af80142d6aef41577400b2323cdaf12f6903e678d997d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hack-virtual-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `curr_vm_filename`
[INFO] [stdout]   --> src/code_writer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     curr_vm_filename: std::option::Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c3bdc13810c0f3acd42af80142d6aef41577400b2323cdaf12f6903e678d997d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3bdc13810c0f3acd42af80142d6aef41577400b2323cdaf12f6903e678d997d", kill_on_drop: false }`
[INFO] [stdout] c3bdc13810c0f3acd42af80142d6aef41577400b2323cdaf12f6903e678d997d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b747e6e2286cc3846f738428d01f89b3ba6566122c718a8dc59d0568ec538ad
[INFO] running `Command { std: "docker" "start" "-a" "0b747e6e2286cc3846f738428d01f89b3ba6566122c718a8dc59d0568ec538ad", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `curr_vm_filename`
[INFO] [stderr]   --> src/code_writer.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     curr_vm_filename: std::option::Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hack_virtual_machine-358476dd457d66aa)
[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" "0b747e6e2286cc3846f738428d01f89b3ba6566122c718a8dc59d0568ec538ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b747e6e2286cc3846f738428d01f89b3ba6566122c718a8dc59d0568ec538ad", kill_on_drop: false }`
[INFO] [stdout] 0b747e6e2286cc3846f738428d01f89b3ba6566122c718a8dc59d0568ec538ad