[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/beta-1.38-1/sources/1.37.0/gh/k3d3/Roam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/k3d3/Roam'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/k3d3/Roam" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/k3d3/Roam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of k3d3/Roam on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/k3d3/Roam/Cargo.toml
[INFO] crate k3d3/Roam already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing k3d3/Roam against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3c245c9218974035bb5d7f5d42c350023682859d19ddcdc8476c597c598b3576
[INFO] running `"docker" "start" "-a" "3c245c9218974035bb5d7f5d42c350023682859d19ddcdc8476c597c598b3576"`
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling bitflags v0.8.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling base64 v0.4.0
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]    Compiling clap v2.21.1
[INFO] [stderr]    Compiling serde_derive v0.9.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[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 36.20s
[INFO] running `"docker" "inspect" "3c245c9218974035bb5d7f5d42c350023682859d19ddcdc8476c597c598b3576"`
[INFO] running `"docker" "rm" "-f" "3c245c9218974035bb5d7f5d42c350023682859d19ddcdc8476c597c598b3576"`
[INFO] [stdout] 3c245c9218974035bb5d7f5d42c350023682859d19ddcdc8476c597c598b3576
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2e8920c7209c42d4eefd2ec3b0f032f2a97b49eb24658641b644e03a61d5c84f
[INFO] running `"docker" "start" "-a" "2e8920c7209c42d4eefd2ec3b0f032f2a97b49eb24658641b644e03a61d5c84f"`
[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 2.05s
[INFO] running `"docker" "inspect" "2e8920c7209c42d4eefd2ec3b0f032f2a97b49eb24658641b644e03a61d5c84f"`
[INFO] running `"docker" "rm" "-f" "2e8920c7209c42d4eefd2ec3b0f032f2a97b49eb24658641b644e03a61d5c84f"`
[INFO] [stdout] 2e8920c7209c42d4eefd2ec3b0f032f2a97b49eb24658641b644e03a61d5c84f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] a19b0b7c9cea78557af8947a68548b5890960ad2d9306fe54a96031a3d5c64b7
[INFO] running `"docker" "start" "-a" "a19b0b7c9cea78557af8947a68548b5890960ad2d9306fe54a96031a3d5c64b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/roam-67c42c4f1ccd76b1
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test network_config::test::serialize_ip_cidr_v6 ... ok
[INFO] [stdout] test network_config::test::serialize_ip_cidr ... ok
[INFO] [stdout] test network_config::test::generate_network_key_with_rng ... ok
[INFO] [stdout] test network_config::test::deserialize_network_key ... ok
[INFO] [stdout] test network_config::test::serialize_network_config_v6 ... ok
[INFO] [stdout] test network_config::test::serialize_network_key ... ok
[INFO] [stdout] test network_config::test::serialize_network_config_v4 ... 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::deserialize_network_key_fail_1 ... 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" "a19b0b7c9cea78557af8947a68548b5890960ad2d9306fe54a96031a3d5c64b7"`
[INFO] running `"docker" "rm" "-f" "a19b0b7c9cea78557af8947a68548b5890960ad2d9306fe54a96031a3d5c64b7"`
[INFO] [stdout] a19b0b7c9cea78557af8947a68548b5890960ad2d9306fe54a96031a3d5c64b7