[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidseid%2Fhack-virtual-machine" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidseid/hack-virtual-machine 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/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-56/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" "+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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 778180d83d10c267613264441a0dc2238aea9929efa6075e82e7f7b53ca0afa2
[INFO] running `Command { std: "docker" "start" "-a" "778180d83d10c267613264441a0dc2238aea9929efa6075e82e7f7b53ca0afa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778180d83d10c267613264441a0dc2238aea9929efa6075e82e7f7b53ca0afa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778180d83d10c267613264441a0dc2238aea9929efa6075e82e7f7b53ca0afa2", kill_on_drop: false }`
[INFO] [stdout] 778180d83d10c267613264441a0dc2238aea9929efa6075e82e7f7b53ca0afa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 063790b2d97d6e703de3b36fc07bb24f2f5b129dbb741993efbc6ac6766e5fe5
[INFO] running `Command { std: "docker" "start" "-a" "063790b2d97d6e703de3b36fc07bb24f2f5b129dbb741993efbc6ac6766e5fe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling hack-virtual-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "063790b2d97d6e703de3b36fc07bb24f2f5b129dbb741993efbc6ac6766e5fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063790b2d97d6e703de3b36fc07bb24f2f5b129dbb741993efbc6ac6766e5fe5", kill_on_drop: false }`
[INFO] [stdout] 063790b2d97d6e703de3b36fc07bb24f2f5b129dbb741993efbc6ac6766e5fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] f1c3fa480b8cd1cda2652a174628a613dc3e0259506c6af7dbf3ad9d9da50e9c
[INFO] running `Command { std: "docker" "start" "-a" "f1c3fa480b8cd1cda2652a174628a613dc3e0259506c6af7dbf3ad9d9da50e9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling hack-virtual-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "f1c3fa480b8cd1cda2652a174628a613dc3e0259506c6af7dbf3ad9d9da50e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c3fa480b8cd1cda2652a174628a613dc3e0259506c6af7dbf3ad9d9da50e9c", kill_on_drop: false }`
[INFO] [stdout] f1c3fa480b8cd1cda2652a174628a613dc3e0259506c6af7dbf3ad9d9da50e9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 5cba4da23505ab40b9beac894aafb87a42a5306293593e54274288f655ee387e
[INFO] running `Command { std: "docker" "start" "-a" "5cba4da23505ab40b9beac894aafb87a42a5306293593e54274288f655ee387e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hack_virtual_machine-0f90f16eb845f64d)
[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" "5cba4da23505ab40b9beac894aafb87a42a5306293593e54274288f655ee387e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cba4da23505ab40b9beac894aafb87a42a5306293593e54274288f655ee387e", kill_on_drop: false }`
[INFO] [stdout] 5cba4da23505ab40b9beac894aafb87a42a5306293593e54274288f655ee387e