Dec 11 15:43:46.100 INFO checking kbacha/json_serde_test against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 15:43:46.100 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 15:43:46.295 INFO [stdout] 430de2d5e16d0c84d4782036e3a11858dd9e2ad7975c6f259ee6737e572c3e55
Dec 11 15:43:46.297 INFO running `"docker" "start" "-a" "430de2d5e16d0c84d4782036e3a11858dd9e2ad7975c6f259ee6737e572c3e55"`
Dec 11 15:43:46.732 INFO [stderr] usermod: no changes
Dec 11 15:43:46.813 INFO [stderr]     Checking json_testing v0.1.0 (/source)
Dec 11 15:43:47.320 INFO [stderr] warning: unused import: `Read`
Dec 11 15:43:47.320 INFO [stderr]  --> src/main.rs:7:21
Dec 11 15:43:47.320 INFO [stderr]   |
Dec 11 15:43:47.320 INFO [stderr] 7 | use std::io::{self, Read};
Dec 11 15:43:47.320 INFO [stderr]   |                     ^^^^
Dec 11 15:43:47.320 INFO [stderr]   |
Dec 11 15:43:47.320 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 15:43:47.320 INFO [stderr] 
Dec 11 15:43:47.359 INFO [stderr] warning: unused import: `Read`
Dec 11 15:43:47.359 INFO [stderr]  --> src/main.rs:7:21
Dec 11 15:43:47.359 INFO [stderr]   |
Dec 11 15:43:47.360 INFO [stderr] 7 | use std::io::{self, Read};
Dec 11 15:43:47.360 INFO [stderr]   |                     ^^^^
Dec 11 15:43:47.360 INFO [stderr]   |
Dec 11 15:43:47.360 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 15:43:47.360 INFO [stderr] 
Dec 11 15:43:47.512 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 11 15:43:47.516 INFO [stderr] su: No module specific data is present
Dec 11 15:43:47.838 INFO running `"docker" "inspect" "430de2d5e16d0c84d4782036e3a11858dd9e2ad7975c6f259ee6737e572c3e55"`
Dec 11 15:43:47.974 INFO running `"docker" "rm" "-f" "430de2d5e16d0c84d4782036e3a11858dd9e2ad7975c6f259ee6737e572c3e55"`
Dec 11 15:43:48.084 INFO [stdout] 430de2d5e16d0c84d4782036e3a11858dd9e2ad7975c6f259ee6737e572c3e55