Nov 28 14:18:11.758 INFO checking CHAM0/client-server against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 14:18:11.760 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 14:18:12.226 INFO [stdout] 9a99b0909fc8f572f2c9b5adde9b0d5bf9809a2df060a69dc67a6000f7328eff
Nov 28 14:18:12.228 INFO running `"docker" "start" "-a" "9a99b0909fc8f572f2c9b5adde9b0d5bf9809a2df060a69dc67a6000f7328eff"`
Nov 28 14:18:13.564 INFO [stderr] usermod: no changes
Nov 28 14:18:13.785 INFO [stderr]     Checking tokio-io v0.1.7
Nov 28 14:18:13.786 INFO [stderr]     Checking serde_json v1.0.26
Nov 28 14:18:13.800 INFO [stderr]     Checking tokio-threadpool v0.1.5
Nov 28 14:18:16.625 INFO [stderr]     Checking tokio-codec v0.1.0
Nov 28 14:18:16.625 INFO [stderr]     Checking tokio-reactor v0.1.3
Nov 28 14:18:16.976 INFO [stderr]     Checking tokio-fs v0.1.3
Nov 28 14:18:20.612 INFO [stderr]     Checking tokio-udp v0.1.1
Nov 28 14:18:20.624 INFO [stderr]     Checking tokio-tcp v0.1.1
Nov 28 14:18:22.176 INFO [stderr]     Checking tokio v0.1.7
Nov 28 14:18:24.320 INFO [stderr]     Checking tokio_test v0.1.0 (/source)
Nov 28 14:18:25.120 INFO [stderr] warning: unused import: `Error`
Nov 28 14:18:25.120 INFO [stderr]  --> src/client/main.rs:5:25
Nov 28 14:18:25.120 INFO [stderr]   |
Nov 28 14:18:25.120 INFO [stderr] 5 | use serde_json::{Value, Error};
Nov 28 14:18:25.120 INFO [stderr]   |                         ^^^^^
Nov 28 14:18:25.120 INFO [stderr]   |
Nov 28 14:18:25.120 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:18:25.120 INFO [stderr] 
Nov 28 14:18:26.176 INFO [stderr] warning: unused import: `Error`
Nov 28 14:18:26.177 INFO [stderr]  --> src/client/main.rs:5:25
Nov 28 14:18:26.178 INFO [stderr]   |
Nov 28 14:18:26.178 INFO [stderr] 5 | use serde_json::{Value, Error};
Nov 28 14:18:26.179 INFO [stderr]   |                         ^^^^^
Nov 28 14:18:26.179 INFO [stderr]   |
Nov 28 14:18:26.180 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:18:26.180 INFO [stderr] 
Nov 28 14:18:28.728 INFO [stderr] warning: unused variable: `j2`
Nov 28 14:18:28.728 INFO [stderr]   --> src/server/main.rs:37:17
Nov 28 14:18:28.728 INFO [stderr]    |
Nov 28 14:18:28.728 INFO [stderr] 37 |             let j2 = serde_json::to_string(&tata);
Nov 28 14:18:28.728 INFO [stderr]    |                 ^^ help: consider using `_j2` instead
Nov 28 14:18:28.728 INFO [stderr]    |
Nov 28 14:18:28.728 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:18:28.728 INFO [stderr] 
Nov 28 14:18:28.976 INFO [stderr] warning: unused variable: `j2`
Nov 28 14:18:28.976 INFO [stderr]   --> src/server/main.rs:37:17
Nov 28 14:18:28.976 INFO [stderr]    |
Nov 28 14:18:28.976 INFO [stderr] 37 |             let j2 = serde_json::to_string(&tata);
Nov 28 14:18:28.976 INFO [stderr]    |                 ^^ help: consider using `_j2` instead
Nov 28 14:18:28.976 INFO [stderr]    |
Nov 28 14:18:28.976 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:18:28.976 INFO [stderr] 
Nov 28 14:18:29.108 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.51s
Nov 28 14:18:29.124 INFO [stderr] su: No module specific data is present
Nov 28 14:18:30.030 INFO running `"docker" "inspect" "9a99b0909fc8f572f2c9b5adde9b0d5bf9809a2df060a69dc67a6000f7328eff"`
Nov 28 14:18:30.256 INFO running `"docker" "rm" "-f" "9a99b0909fc8f572f2c9b5adde9b0d5bf9809a2df060a69dc67a6000f7328eff"`
Nov 28 14:18:30.529 INFO [stdout] 9a99b0909fc8f572f2c9b5adde9b0d5bf9809a2df060a69dc67a6000f7328eff