[INFO] fetching crate vboxhelper 0.3.2...
[INFO] testing vboxhelper-0.3.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vboxhelper 0.3.2 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate vboxhelper 0.3.2 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 crates.io crate vboxhelper 0.3.2
[INFO] finished tweaking crates.io crate vboxhelper 0.3.2
[INFO] tweaked toml for crates.io crate vboxhelper 0.3.2 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate crates.io crate vboxhelper 0.3.2 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded eui48 v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 4674ef03ce60d8cf87f5dcd4f275900ff09084a1f329429343d074a37c9a08fd
[INFO] running `Command { std: "docker" "start" "-a" "4674ef03ce60d8cf87f5dcd4f275900ff09084a1f329429343d074a37c9a08fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4674ef03ce60d8cf87f5dcd4f275900ff09084a1f329429343d074a37c9a08fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4674ef03ce60d8cf87f5dcd4f275900ff09084a1f329429343d074a37c9a08fd", kill_on_drop: false }`
[INFO] [stdout] 4674ef03ce60d8cf87f5dcd4f275900ff09084a1f329429343d074a37c9a08fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] de1095cf9004f969a14928775065ffa023c136bf20293f9ca5fb0174d7cac7df
[INFO] running `Command { std: "docker" "start" "-a" "de1095cf9004f969a14928775065ffa023c136bf20293f9ca5fb0174d7cac7df", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling eui48 v1.1.0
[INFO] [stderr]    Compiling vboxhelper v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "de1095cf9004f969a14928775065ffa023c136bf20293f9ca5fb0174d7cac7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1095cf9004f969a14928775065ffa023c136bf20293f9ca5fb0174d7cac7df", kill_on_drop: false }`
[INFO] [stdout] de1095cf9004f969a14928775065ffa023c136bf20293f9ca5fb0174d7cac7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 23e2a53582264ee928f75fb05944b3084cfee9dcc7d5407be505c463f363aef9
[INFO] running `Command { std: "docker" "start" "-a" "23e2a53582264ee928f75fb05944b3084cfee9dcc7d5407be505c463f363aef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling vboxhelper v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "23e2a53582264ee928f75fb05944b3084cfee9dcc7d5407be505c463f363aef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e2a53582264ee928f75fb05944b3084cfee9dcc7d5407be505c463f363aef9", kill_on_drop: false }`
[INFO] [stdout] 23e2a53582264ee928f75fb05944b3084cfee9dcc7d5407be505c463f363aef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] bc882a224090425dfcf7b8a14f517a365a5517641bad627b24fc3a05889f82b5
[INFO] running `Command { std: "docker" "start" "-a" "bc882a224090425dfcf7b8a14f517a365a5517641bad627b24fc3a05889f82b5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vboxhelper-268248f854c69931)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vboxhelper
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - wait_for_croak (line 634) - compile ... ok
[INFO] [stdout] test src/lib.rs - wait_for_state (line 594) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 13) - compile ... ok
[INFO] [stdout] test src/lib.rs - try_get_pid (line 368) - compile ... ok
[INFO] [stdout] test src/vmid.rs - vmid::VmId (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc882a224090425dfcf7b8a14f517a365a5517641bad627b24fc3a05889f82b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc882a224090425dfcf7b8a14f517a365a5517641bad627b24fc3a05889f82b5", kill_on_drop: false }`
[INFO] [stdout] bc882a224090425dfcf7b8a14f517a365a5517641bad627b24fc3a05889f82b5