[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#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[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 ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3702ec7ba3d65a8a1f19863fba2b5789d00abd46055a5670f0cabc98dcf8d238
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3702ec7ba3d65a8a1f19863fba2b5789d00abd46055a5670f0cabc98dcf8d238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3702ec7ba3d65a8a1f19863fba2b5789d00abd46055a5670f0cabc98dcf8d238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3702ec7ba3d65a8a1f19863fba2b5789d00abd46055a5670f0cabc98dcf8d238", kill_on_drop: false }`
[INFO] [stdout] 3702ec7ba3d65a8a1f19863fba2b5789d00abd46055a5670f0cabc98dcf8d238
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7017221e61689b7b8bb406ac71227d7c4592abd0e199dadda3e41d5f180929a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7017221e61689b7b8bb406ac71227d7c4592abd0e199dadda3e41d5f180929a", 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 1.36s
[INFO] running `Command { std: "docker" "inspect" "f7017221e61689b7b8bb406ac71227d7c4592abd0e199dadda3e41d5f180929a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7017221e61689b7b8bb406ac71227d7c4592abd0e199dadda3e41d5f180929a", kill_on_drop: false }`
[INFO] [stdout] f7017221e61689b7b8bb406ac71227d7c4592abd0e199dadda3e41d5f180929a
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 651e0cd043056a5d65bc0b9394a03d48acaf1a8525f6726392b20e1d52846b45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "651e0cd043056a5d65bc0b9394a03d48acaf1a8525f6726392b20e1d52846b45", 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 0.58s
[INFO] running `Command { std: "docker" "inspect" "651e0cd043056a5d65bc0b9394a03d48acaf1a8525f6726392b20e1d52846b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651e0cd043056a5d65bc0b9394a03d48acaf1a8525f6726392b20e1d52846b45", kill_on_drop: false }`
[INFO] [stdout] 651e0cd043056a5d65bc0b9394a03d48acaf1a8525f6726392b20e1d52846b45
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8802742b559e1cab2d8b64893c78aa1dfa00c1fc6754346e0b2a6fc53631b5f0
[INFO] running `Command { std: "docker" "start" "-a" "8802742b559e1cab2d8b64893c78aa1dfa00c1fc6754346e0b2a6fc53631b5f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hack_virtual_machine-797e5c6ebf242117)
[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" "8802742b559e1cab2d8b64893c78aa1dfa00c1fc6754346e0b2a6fc53631b5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8802742b559e1cab2d8b64893c78aa1dfa00c1fc6754346e0b2a6fc53631b5f0", kill_on_drop: false }`
[INFO] [stdout] 8802742b559e1cab2d8b64893c78aa1dfa00c1fc6754346e0b2a6fc53631b5f0