[INFO] updating cached repository https://github.com/lvaldovinos/vlsm-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9bb912fb528e2c4f15f4f41977f8af6cd7c228e3
[INFO] testing lvaldovinos/vlsm-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvaldovinos%2Fvlsm-rust" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lvaldovinos/vlsm-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lvaldovinos/vlsm-rust
[INFO] finished tweaking git repo https://github.com/lvaldovinos/vlsm-rust
[INFO] tweaked toml for git repo https://github.com/lvaldovinos/vlsm-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lvaldovinos/vlsm-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-06-03" "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] 3a1b539f31b020f1de7af7d97af540969e3affef237e252b0d8ed61a387ce1c1
[INFO] running `"docker" "start" "-a" "3a1b539f31b020f1de7af7d97af540969e3affef237e252b0d8ed61a387ce1c1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-vlsm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `DecimalToBinaryConverter`
[INFO] [stderr]  --> src/byte.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct DecimalToBinaryConverter {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_msb`
[INFO] [stderr]  --> src/byte.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn get_msb (byte: i32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_usize`
[INFO] [stderr]   --> src/byte.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn from_usize(byte: u8) -> DecimalToBinaryConverter {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_diff`
[INFO] [stderr]   --> src/byte.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn get_diff(&self) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_bits`
[INFO] [stderr]   --> src/byte.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn get_bits(&self) -> [bool; 8] {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `process_bit`
[INFO] [stderr]   --> src/byte.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn process_bit(&mut self, msb_index: u32) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_binary`
[INFO] [stderr]   --> src/byte.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn to_binary(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Byte`
[INFO] [stderr]   --> src/byte.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct Byte {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_usize`
[INFO] [stderr]   --> src/byte.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn from_usize(byte: u8) -> Byte {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_bits`
[INFO] [stderr]   --> src/byte.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn get_bits (&self) -> [bool; 8] {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_byte`
[INFO] [stderr]   --> src/byte.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn get_byte (&self) -> u8 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MaskV4`
[INFO] [stderr]  --> src/mask.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct MaskV4 {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_bytes_from_mask`
[INFO] [stderr]  --> src/mask.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn get_bytes_from_mask(short_mask: u32) -> [u8; 4] {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_short_mask_from_hosts`
[INFO] [stderr]   --> src/mask.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn get_short_mask_from_hosts(hosts: u32) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_available_hosts`
[INFO] [stderr]   --> src/mask.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn from_available_hosts(hosts: u32) -> MaskV4 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_short_mask`
[INFO] [stderr]   --> src/mask.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn from_short_mask(short_mask: &str) -> MaskV4 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_bytes`
[INFO] [stderr]   --> src/mask.rs:74:8
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn get_bytes (&self) -> [u8; 4] {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "3a1b539f31b020f1de7af7d97af540969e3affef237e252b0d8ed61a387ce1c1"`
[INFO] running `"docker" "rm" "-f" "3a1b539f31b020f1de7af7d97af540969e3affef237e252b0d8ed61a387ce1c1"`
[INFO] [stdout] 3a1b539f31b020f1de7af7d97af540969e3affef237e252b0d8ed61a387ce1c1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-06-03" "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] 3e0c2c420bb8d0336a03945dc97c39cd928bb1ba1770aafd2eb5e8d8b7816f04
[INFO] running `"docker" "start" "-a" "3e0c2c420bb8d0336a03945dc97c39cd928bb1ba1770aafd2eb5e8d8b7816f04"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-vlsm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "3e0c2c420bb8d0336a03945dc97c39cd928bb1ba1770aafd2eb5e8d8b7816f04"`
[INFO] running `"docker" "rm" "-f" "3e0c2c420bb8d0336a03945dc97c39cd928bb1ba1770aafd2eb5e8d8b7816f04"`
[INFO] [stdout] 3e0c2c420bb8d0336a03945dc97c39cd928bb1ba1770aafd2eb5e8d8b7816f04
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-06-03" "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] 334f8dcc99db510c28d4c2954e8ff44066dcf24e6898ebfc8adb19bd713c74ae
[INFO] running `"docker" "start" "-a" "334f8dcc99db510c28d4c2954e8ff44066dcf24e6898ebfc8adb19bd713c74ae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_vlsm-22afa759f01ef06c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mask::tests::test_from_short_mask ... ok
[INFO] [stdout] test byte::tests::test_from_usize ... ok
[INFO] [stdout] test mask::tests::test_from_available_hosts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "334f8dcc99db510c28d4c2954e8ff44066dcf24e6898ebfc8adb19bd713c74ae"`
[INFO] running `"docker" "rm" "-f" "334f8dcc99db510c28d4c2954e8ff44066dcf24e6898ebfc8adb19bd713c74ae"`
[INFO] [stdout] 334f8dcc99db510c28d4c2954e8ff44066dcf24e6898ebfc8adb19bd713c74ae