[INFO] fetching crate vopono 0.1.0...
[INFO] testing vopono-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate vopono 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate vopono 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate vopono 0.1.0
[INFO] finished tweaking crates.io crate vopono 0.1.0
[INFO] tweaked toml for crates.io crate vopono 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate vopono 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 258386bbc887490c20d508c599294d79a939c302ed841304d7d2a2c00b56667f
[INFO] running `"docker" "start" "-a" "258386bbc887490c20d508c599294d79a939c302ed841304d7d2a2c00b56667f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.12
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling users v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.41
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling directories-next v1.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling dialoguer v0.6.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling vopono v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]   --> src/main.rs:44:36
[INFO] [stderr]    |
[INFO] [stderr] 44 |         args::Command::SetDefaults(cmd) => todo!(),
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_no_block_silent`
[INFO] [stderr]   --> src/netns.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn exec_no_block_silent(&self, command: &[&str]) -> anyhow::Result<std::process::Child> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Protocol`
[INFO] [stderr]   --> src/vpn.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub enum Protocol {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Firewall`
[INFO] [stderr]   --> src/vpn.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub enum Firewall {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_if_running`
[INFO] [stderr]    --> src/main.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn check_if_running(&mut self) -> anyhow::Result<bool> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "258386bbc887490c20d508c599294d79a939c302ed841304d7d2a2c00b56667f"`
[INFO] running `"docker" "rm" "-f" "258386bbc887490c20d508c599294d79a939c302ed841304d7d2a2c00b56667f"`
[INFO] [stdout] 258386bbc887490c20d508c599294d79a939c302ed841304d7d2a2c00b56667f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7222f02b7c27f7dbc5bd4534f48a16e4dbafa9cdcc0a932150509d83243fe216
[INFO] running `"docker" "start" "-a" "7222f02b7c27f7dbc5bd4534f48a16e4dbafa9cdcc0a932150509d83243fe216"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling vopono v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]   --> src/main.rs:44:36
[INFO] [stderr]    |
[INFO] [stderr] 44 |         args::Command::SetDefaults(cmd) => todo!(),
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_no_block_silent`
[INFO] [stderr]   --> src/netns.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn exec_no_block_silent(&self, command: &[&str]) -> anyhow::Result<std::process::Child> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Protocol`
[INFO] [stderr]   --> src/vpn.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub enum Protocol {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Firewall`
[INFO] [stderr]   --> src/vpn.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub enum Firewall {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_if_running`
[INFO] [stderr]    --> src/main.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn check_if_running(&mut self) -> anyhow::Result<bool> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "7222f02b7c27f7dbc5bd4534f48a16e4dbafa9cdcc0a932150509d83243fe216"`
[INFO] running `"docker" "rm" "-f" "7222f02b7c27f7dbc5bd4534f48a16e4dbafa9cdcc0a932150509d83243fe216"`
[INFO] [stdout] 7222f02b7c27f7dbc5bd4534f48a16e4dbafa9cdcc0a932150509d83243fe216
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5dc996ee7134299fb4dd152348e44ddfe2fbe2c6d5104519385ebf76f37c103f
[INFO] running `"docker" "start" "-a" "5dc996ee7134299fb4dd152348e44ddfe2fbe2c6d5104519385ebf76f37c103f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]   --> src/main.rs:44:36
[INFO] [stderr]    |
[INFO] [stderr] 44 |         args::Command::SetDefaults(cmd) => todo!(),
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec_no_block_silent`
[INFO] [stderr]   --> src/netns.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn exec_no_block_silent(&self, command: &[&str]) -> anyhow::Result<std::process::Child> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Protocol`
[INFO] [stderr]   --> src/vpn.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub enum Protocol {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Firewall`
[INFO] [stderr]   --> src/vpn.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub enum Firewall {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_if_running`
[INFO] [stderr]    --> src/main.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn check_if_running(&mut self) -> anyhow::Result<bool> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vopono-6bb1f71f24825bd1
[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 `"docker" "inspect" "5dc996ee7134299fb4dd152348e44ddfe2fbe2c6d5104519385ebf76f37c103f"`
[INFO] running `"docker" "rm" "-f" "5dc996ee7134299fb4dd152348e44ddfe2fbe2c6d5104519385ebf76f37c103f"`
[INFO] [stdout] 5dc996ee7134299fb4dd152348e44ddfe2fbe2c6d5104519385ebf76f37c103f