[INFO] cloning repository https://github.com/iximeow/zvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iximeow/zvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiximeow%2Fzvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiximeow%2Fzvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5b56542b3cbb196159c21c43b0742a768275588
[INFO] testing iximeow/zvm against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiximeow%2Fzvm" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iximeow/zvm on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iximeow/zvm
[INFO] removed workspace from git repo https://github.com/iximeow/zvm
[INFO] finished tweaking git repo https://github.com/iximeow/zvm
[INFO] tweaked toml for git repo https://github.com/iximeow/zvm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/iximeow/zvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 270140449d723fb4b6b18cc727505c25cc561761178680c7732884c1a7b425df
[INFO] running `Command { std: "docker" "start" "-a" "270140449d723fb4b6b18cc727505c25cc561761178680c7732884c1a7b425df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270140449d723fb4b6b18cc727505c25cc561761178680c7732884c1a7b425df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270140449d723fb4b6b18cc727505c25cc561761178680c7732884c1a7b425df", kill_on_drop: false }`
[INFO] [stdout] 270140449d723fb4b6b18cc727505c25cc561761178680c7732884c1a7b425df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] fdf77b88960f66e002999f7a0982b76d02fba51f08bf2e9c138f21abd71a0fb4
[INFO] running `Command { std: "docker" "start" "-a" "fdf77b88960f66e002999f7a0982b76d02fba51f08bf2e9c138f21abd71a0fb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling zvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `enclosing_class`
[INFO] [stdout]   --> src/virtual_machine.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     enclosing_class: Rc<ClassFile>,
[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 4.33s
[INFO] running `Command { std: "docker" "inspect" "fdf77b88960f66e002999f7a0982b76d02fba51f08bf2e9c138f21abd71a0fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf77b88960f66e002999f7a0982b76d02fba51f08bf2e9c138f21abd71a0fb4", kill_on_drop: false }`
[INFO] [stdout] fdf77b88960f66e002999f7a0982b76d02fba51f08bf2e9c138f21abd71a0fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 299fd99bfb1879919f1eaaa6de1e95e075fbe4b6519705bde23af38d5a2dfd74
[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" "299fd99bfb1879919f1eaaa6de1e95e075fbe4b6519705bde23af38d5a2dfd74", kill_on_drop: false }`
[INFO] [stderr]    Compiling zvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `enclosing_class`
[INFO] [stdout]   --> src/virtual_machine.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     enclosing_class: Rc<ClassFile>,
[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] [stdout] warning: field is never read: `enclosing_class`
[INFO] [stdout]   --> src/virtual_machine.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     enclosing_class: Rc<ClassFile>,
[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 2.20s
[INFO] running `Command { std: "docker" "inspect" "299fd99bfb1879919f1eaaa6de1e95e075fbe4b6519705bde23af38d5a2dfd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "299fd99bfb1879919f1eaaa6de1e95e075fbe4b6519705bde23af38d5a2dfd74", kill_on_drop: false }`
[INFO] [stdout] 299fd99bfb1879919f1eaaa6de1e95e075fbe4b6519705bde23af38d5a2dfd74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3980381b79fde6459a48390d74c3a938ca1e7c7cf128bcdd46e195eecdbf6c26
[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" "3980381b79fde6459a48390d74c3a938ca1e7c7cf128bcdd46e195eecdbf6c26", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `enclosing_class`
[INFO] [stderr]   --> src/virtual_machine.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     enclosing_class: Rc<ClassFile>,
[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] warning: field is never read: `enclosing_class`
[INFO] [stderr]   --> src/virtual_machine.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     enclosing_class: Rc<ClassFile>,
[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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zvm-9c8e5552945c1d8e
[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] [stderr]    Doc-tests zvm
[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" "3980381b79fde6459a48390d74c3a938ca1e7c7cf128bcdd46e195eecdbf6c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3980381b79fde6459a48390d74c3a938ca1e7c7cf128bcdd46e195eecdbf6c26", kill_on_drop: false }`
[INFO] [stdout] 3980381b79fde6459a48390d74c3a938ca1e7c7cf128bcdd46e195eecdbf6c26