[INFO] updating cached repository k3d3/Roam
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/k3d3/Roam
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/k3d3/Roam" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k3d3/Roam"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k3d3/Roam'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/k3d3/Roam" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/k3d3/Roam"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/k3d3/Roam'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 46ad5b2474881327998af51f011b83fdfa7260b9
[INFO] sha for GitHub repo k3d3/Roam: 46ad5b2474881327998af51f011b83fdfa7260b9
[INFO] validating manifest of k3d3/Roam on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of k3d3/Roam on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing k3d3/Roam
[INFO] finished frobbing k3d3/Roam
[INFO] frobbed toml for k3d3/Roam written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k3d3/Roam/Cargo.toml
[INFO] started frobbing k3d3/Roam
[INFO] finished frobbing k3d3/Roam
[INFO] frobbed toml for k3d3/Roam written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/k3d3/Roam/Cargo.toml
[INFO] crate k3d3/Roam has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing k3d3/Roam against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k3d3/Roam:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 282fa437de9a2617a38023a5fb95c7d8005be1169908c894b68af331775e951f
[INFO] running `"docker" "start" "-a" "282fa437de9a2617a38023a5fb95c7d8005be1169908c894b68af331775e951f"`
[INFO] [stderr]    Compiling bitflags v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling net2 v0.2.27
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling base64 v0.4.0
[INFO] [stderr]    Compiling clap v2.21.1
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling tokio-proto v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling roam v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `to_json`
[INFO] [stderr]   --> src/network_config.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn to_json(&self) -> Result<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_pretty_json`
[INFO] [stderr]   --> src/network_config.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn to_pretty_json(&self) -> Result<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.55s
[INFO] running `"docker" "inspect" "282fa437de9a2617a38023a5fb95c7d8005be1169908c894b68af331775e951f"`
[INFO] running `"docker" "rm" "-f" "282fa437de9a2617a38023a5fb95c7d8005be1169908c894b68af331775e951f"`
[INFO] [stdout] 282fa437de9a2617a38023a5fb95c7d8005be1169908c894b68af331775e951f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k3d3/Roam:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 937f2402fe7c1172121441cc292168b90fa675ea8e1eef41c054d7dbb051085f
[INFO] running `"docker" "start" "-a" "937f2402fe7c1172121441cc292168b90fa675ea8e1eef41c054d7dbb051085f"`
[INFO] [stderr]    Compiling roam v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `to_pretty_json`
[INFO] [stderr]   --> src/network_config.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn to_pretty_json(&self) -> Result<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `"docker" "inspect" "937f2402fe7c1172121441cc292168b90fa675ea8e1eef41c054d7dbb051085f"`
[INFO] running `"docker" "rm" "-f" "937f2402fe7c1172121441cc292168b90fa675ea8e1eef41c054d7dbb051085f"`
[INFO] [stdout] 937f2402fe7c1172121441cc292168b90fa675ea8e1eef41c054d7dbb051085f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k3d3/Roam:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 3c5af731bfa52542d8ebf535a0e1cff6b6dcae3da783c27d37ac8f4bcc0b0c1f
[INFO] running `"docker" "start" "-a" "3c5af731bfa52542d8ebf535a0e1cff6b6dcae3da783c27d37ac8f4bcc0b0c1f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/roam-c92cf3dafb410d96
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test network_config::test::deserialize_network_key ... ok
[INFO] [stdout] test network_config::test::serialize_ip_cidr ... ok
[INFO] [stdout] test network_config::test::serialize_ip_cidr_v6 ... ok
[INFO] [stdout] test network_config::test::serialize_network_key ... ok
[INFO] [stdout] test network_config::test::serialize_network_config_v6 ... ok
[INFO] [stdout] test network_config::test::serialize_network_config_v4 ... ok
[INFO] [stdout] test network_config::test::generate_network_key_with_rng ... ok
[INFO] [stdout] test network_config::test::deserialize_network_key_fail_1 ... ok
[INFO] [stdout] test network_config::test::deserialize_network_key_fail_2 ... ok
[INFO] [stdout] test network_config::test::serialize_ip_cidr_fail_cidr_v4 ... ok
[INFO] [stdout] test network_config::test::serialize_ip_cidr_fail_cidr_v6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3c5af731bfa52542d8ebf535a0e1cff6b6dcae3da783c27d37ac8f4bcc0b0c1f"`
[INFO] running `"docker" "rm" "-f" "3c5af731bfa52542d8ebf535a0e1cff6b6dcae3da783c27d37ac8f4bcc0b0c1f"`
[INFO] [stdout] 3c5af731bfa52542d8ebf535a0e1cff6b6dcae3da783c27d37ac8f4bcc0b0c1f