[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 1.49.0 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-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iximeow/zvm on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-5/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "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] 4c82bcad0716dc9d55e5ffca47e38c18222ab429aadd08e20f376e13c6631d72
[INFO] running `Command { std: "docker" "start" "-a" "4c82bcad0716dc9d55e5ffca47e38c18222ab429aadd08e20f376e13c6631d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c82bcad0716dc9d55e5ffca47e38c18222ab429aadd08e20f376e13c6631d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c82bcad0716dc9d55e5ffca47e38c18222ab429aadd08e20f376e13c6631d72", kill_on_drop: false }`
[INFO] [stdout] 4c82bcad0716dc9d55e5ffca47e38c18222ab429aadd08e20f376e13c6631d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "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] 5df4c1de8a47a9fbb00f2b05554b9a56b601b03358fb39aea98247c8ac39e444
[INFO] running `Command { std: "docker" "start" "-a" "5df4c1de8a47a9fbb00f2b05554b9a56b601b03358fb39aea98247c8ac39e444", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[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 6.69s
[INFO] running `Command { std: "docker" "inspect" "5df4c1de8a47a9fbb00f2b05554b9a56b601b03358fb39aea98247c8ac39e444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df4c1de8a47a9fbb00f2b05554b9a56b601b03358fb39aea98247c8ac39e444", kill_on_drop: false }`
[INFO] [stdout] 5df4c1de8a47a9fbb00f2b05554b9a56b601b03358fb39aea98247c8ac39e444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 954ed00b13bce9de965b0bf0bb3fe9639560665cd8ed32f7a4d590dd3e8d82d0
[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" "954ed00b13bce9de965b0bf0bb3fe9639560665cd8ed32f7a4d590dd3e8d82d0", kill_on_drop: false }`
[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]    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 test [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "954ed00b13bce9de965b0bf0bb3fe9639560665cd8ed32f7a4d590dd3e8d82d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954ed00b13bce9de965b0bf0bb3fe9639560665cd8ed32f7a4d590dd3e8d82d0", kill_on_drop: false }`
[INFO] [stdout] 954ed00b13bce9de965b0bf0bb3fe9639560665cd8ed32f7a4d590dd3e8d82d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a64d6f916e6762c3f0a92497f94d828899e3c036c0e0ece063673b31ad036f9
[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" "1a64d6f916e6762c3f0a92497f94d828899e3c036c0e0ece063673b31ad036f9", 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 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zvm-2bce798484ce3a22
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zvm
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a64d6f916e6762c3f0a92497f94d828899e3c036c0e0ece063673b31ad036f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a64d6f916e6762c3f0a92497f94d828899e3c036c0e0ece063673b31ad036f9", kill_on_drop: false }`
[INFO] [stdout] 1a64d6f916e6762c3f0a92497f94d828899e3c036c0e0ece063673b31ad036f9