Dec 13 14:28:45.647 INFO testing kbacha/json_serde_test against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 14:28:45.647 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 14:28:45.869 INFO [stdout] b2186455966098f64128b70e099e80fb108827c44d88272b195c52972a9db0ff
Dec 13 14:28:45.871 INFO running `"docker" "start" "-a" "b2186455966098f64128b70e099e80fb108827c44d88272b195c52972a9db0ff"`
Dec 13 14:28:46.351 INFO [stderr] usermod: no changes
Dec 13 14:28:46.409 INFO [stderr]    Compiling json_testing v0.1.0 (/source)
Dec 13 14:28:46.837 INFO [stderr] warning: unused import: `Read`
Dec 13 14:28:46.837 INFO [stderr]  --> src/main.rs:7:21
Dec 13 14:28:46.837 INFO [stderr]   |
Dec 13 14:28:46.837 INFO [stderr] 7 | use std::io::{self, Read};
Dec 13 14:28:46.837 INFO [stderr]   |                     ^^^^
Dec 13 14:28:46.837 INFO [stderr]   |
Dec 13 14:28:46.837 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 14:28:46.837 INFO [stderr] 
Dec 13 14:28:47.534 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Dec 13 14:28:47.538 INFO [stderr] su: No module specific data is present
Dec 13 14:28:47.822 INFO running `"docker" "inspect" "b2186455966098f64128b70e099e80fb108827c44d88272b195c52972a9db0ff"`
Dec 13 14:28:47.912 INFO running `"docker" "rm" "-f" "b2186455966098f64128b70e099e80fb108827c44d88272b195c52972a9db0ff"`
Dec 13 14:28:48.033 INFO [stdout] b2186455966098f64128b70e099e80fb108827c44d88272b195c52972a9db0ff
Dec 13 14:28:48.043 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 14:28:48.371 INFO [stdout] ed7a1534be73631e036102745321b49fdadfb7a191c4fdc9a0fbb7833e7290a2
Dec 13 14:28:48.376 INFO running `"docker" "start" "-a" "ed7a1534be73631e036102745321b49fdadfb7a191c4fdc9a0fbb7833e7290a2"`
Dec 13 14:28:49.392 INFO [stderr] usermod: no changes
Dec 13 14:28:49.499 INFO [stderr]    Compiling json_testing v0.1.0 (/source)
Dec 13 14:28:50.027 INFO [stderr] warning: unused import: `Read`
Dec 13 14:28:50.027 INFO [stderr]  --> src/main.rs:7:21
Dec 13 14:28:50.027 INFO [stderr]   |
Dec 13 14:28:50.027 INFO [stderr] 7 | use std::io::{self, Read};
Dec 13 14:28:50.027 INFO [stderr]   |                     ^^^^
Dec 13 14:28:50.027 INFO [stderr]   |
Dec 13 14:28:50.027 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 14:28:50.027 INFO [stderr] 
Dec 13 14:28:50.464 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Dec 13 14:28:50.464 INFO [stderr] su: No module specific data is present
Dec 13 14:28:50.874 INFO running `"docker" "inspect" "ed7a1534be73631e036102745321b49fdadfb7a191c4fdc9a0fbb7833e7290a2"`
Dec 13 14:28:51.001 INFO running `"docker" "rm" "-f" "ed7a1534be73631e036102745321b49fdadfb7a191c4fdc9a0fbb7833e7290a2"`
Dec 13 14:28:51.131 INFO [stdout] ed7a1534be73631e036102745321b49fdadfb7a191c4fdc9a0fbb7833e7290a2
Dec 13 14:28:51.136 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 14:28:51.335 INFO [stdout] bc80c92d2f6995c4b6b52163fecbf8ad7ad38c021f019ee457494635b4e54d9a
Dec 13 14:28:51.340 INFO running `"docker" "start" "-a" "bc80c92d2f6995c4b6b52163fecbf8ad7ad38c021f019ee457494635b4e54d9a"`
Dec 13 14:28:51.771 INFO [stderr] usermod: no changes
Dec 13 14:28:51.821 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 14:28:51.822 INFO [stderr]      Running /target/debug/deps/json_testing-c8c3d92988418dce
Dec 13 14:28:51.823 INFO [stdout] 
Dec 13 14:28:51.823 INFO [stdout] running 0 tests
Dec 13 14:28:51.823 INFO [stdout] 
Dec 13 14:28:51.823 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 14:28:51.823 INFO [stdout] 
Dec 13 14:28:51.825 INFO [stderr] su: No module specific data is present
Dec 13 14:28:52.124 INFO running `"docker" "inspect" "bc80c92d2f6995c4b6b52163fecbf8ad7ad38c021f019ee457494635b4e54d9a"`
Dec 13 14:28:52.275 INFO running `"docker" "rm" "-f" "bc80c92d2f6995c4b6b52163fecbf8ad7ad38c021f019ee457494635b4e54d9a"`
Dec 13 14:28:52.378 INFO [stdout] bc80c92d2f6995c4b6b52163fecbf8ad7ad38c021f019ee457494635b4e54d9a