Dec 11 15:50:21.323 INFO checking k3d3/Roam against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 15:50:21.323 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 15:50:21.888 INFO [stdout] 94313fcd5d18da34f196febfb0533b276bb2145ba72d5cf8b35a12f2c9abac5e
Dec 11 15:50:21.890 INFO running `"docker" "start" "-a" "94313fcd5d18da34f196febfb0533b276bb2145ba72d5cf8b35a12f2c9abac5e"`
Dec 11 15:50:22.846 INFO [stderr] usermod: no changes
Dec 11 15:50:23.082 INFO [stderr]     Checking net2 v0.2.27
Dec 11 15:50:23.082 INFO [stderr]     Checking futures v0.1.10
Dec 11 15:50:23.092 INFO [stderr]     Checking base64 v0.4.0
Dec 11 15:50:23.100 INFO [stderr]     Checking clap v2.21.1
Dec 11 15:50:23.108 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 11 15:50:23.108 INFO [stderr]     Checking backtrace v0.3.0
Dec 11 15:50:25.104 INFO [stderr]     Checking mio v0.6.4
Dec 11 15:50:25.216 INFO [stderr]     Checking error-chain v0.10.0
Dec 11 15:50:29.533 INFO [stderr]     Checking tokio-service v0.1.0
Dec 11 15:50:29.533 INFO [stderr]     Checking tokio-core v0.1.4
Dec 11 15:50:33.292 INFO [stderr]     Checking tokio-proto v0.1.0
Dec 11 15:50:35.932 INFO [stderr]     Checking roam v0.1.0 (/source)
Dec 11 15:50:37.384 INFO [stderr] warning: method is never used: `to_pretty_json`
Dec 11 15:50:37.384 INFO [stderr]   --> src/network_config.rs:56:5
Dec 11 15:50:37.384 INFO [stderr]    |
Dec 11 15:50:37.384 INFO [stderr] 56 |     pub fn to_pretty_json(&self) -> Result<String> {
Dec 11 15:50:37.384 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:50:37.384 INFO [stderr]    |
Dec 11 15:50:37.384 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:50:37.384 INFO [stderr] 
Dec 11 15:50:37.384 INFO [stderr] warning: method is never used: `to_json`
Dec 11 15:50:37.384 INFO [stderr]   --> src/network_config.rs:52:5
Dec 11 15:50:37.384 INFO [stderr]    |
Dec 11 15:50:37.384 INFO [stderr] 52 |     pub fn to_json(&self) -> Result<String> {
Dec 11 15:50:37.384 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:50:37.384 INFO [stderr]    |
Dec 11 15:50:37.384 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:50:37.384 INFO [stderr] 
Dec 11 15:50:37.384 INFO [stderr] warning: method is never used: `to_pretty_json`
Dec 11 15:50:37.384 INFO [stderr]   --> src/network_config.rs:56:5
Dec 11 15:50:37.384 INFO [stderr]    |
Dec 11 15:50:37.384 INFO [stderr] 56 |     pub fn to_pretty_json(&self) -> Result<String> {
Dec 11 15:50:37.385 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:50:37.385 INFO [stderr] 
Dec 11 15:50:37.456 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.56s
Dec 11 15:50:37.461 INFO [stderr] su: No module specific data is present
Dec 11 15:50:37.998 INFO running `"docker" "inspect" "94313fcd5d18da34f196febfb0533b276bb2145ba72d5cf8b35a12f2c9abac5e"`
Dec 11 15:50:38.254 INFO running `"docker" "rm" "-f" "94313fcd5d18da34f196febfb0533b276bb2145ba72d5cf8b35a12f2c9abac5e"`
Dec 11 15:50:38.560 INFO [stdout] 94313fcd5d18da34f196febfb0533b276bb2145ba72d5cf8b35a12f2c9abac5e