Dec 13 02:01:43.828 INFO testing steveklabnik/echo against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 02:01:43.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02:01:44.383 INFO [stdout] f96076dcbca30c3e87125f2f41655cb82b0f5f51fb447553ea3d4fd4f1e8b506
Dec 13 02:01:44.388 INFO running `"docker" "start" "-a" "f96076dcbca30c3e87125f2f41655cb82b0f5f51fb447553ea3d4fd4f1e8b506"`
Dec 13 02:01:45.872 INFO [stderr] usermod: no changes
Dec 13 02:01:45.911 INFO [stderr]    Compiling echo v0.1.0 (/source)
Dec 13 02:01:46.171 INFO [stderr] warning: unused variable: `e`
Dec 13 02:01:46.171 INFO [stderr]   --> src/main.rs:44:17
Dec 13 02:01:46.171 INFO [stderr]    |
Dec 13 02:01:46.171 INFO [stderr] 44 |             Err(e) => { /* connection failed */ }
Dec 13 02:01:46.171 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 13 02:01:46.171 INFO [stderr]    |
Dec 13 02:01:46.171 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 02:01:46.171 INFO [stderr] 
Dec 13 02:01:47.499 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Dec 13 02:01:47.499 INFO [stderr] su: No module specific data is present
Dec 13 02:01:48.259 INFO running `"docker" "inspect" "f96076dcbca30c3e87125f2f41655cb82b0f5f51fb447553ea3d4fd4f1e8b506"`
Dec 13 02:01:48.634 INFO running `"docker" "rm" "-f" "f96076dcbca30c3e87125f2f41655cb82b0f5f51fb447553ea3d4fd4f1e8b506"`
Dec 13 02:01:48.922 INFO [stdout] f96076dcbca30c3e87125f2f41655cb82b0f5f51fb447553ea3d4fd4f1e8b506
Dec 13 02:01:48.925 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02:01:49.337 INFO [stdout] 7aa1b4526840abd4b75fcfd5975550754f37220a5fe15959e6e94965db5e8c15
Dec 13 02:01:49.339 INFO running `"docker" "start" "-a" "7aa1b4526840abd4b75fcfd5975550754f37220a5fe15959e6e94965db5e8c15"`
Dec 13 02:01:50.650 INFO [stderr] usermod: no changes
Dec 13 02:01:50.693 INFO [stderr]    Compiling echo v0.1.0 (/source)
Dec 13 02:01:51.072 INFO [stderr] warning: unused variable: `e`
Dec 13 02:01:51.072 INFO [stderr]   --> src/main.rs:44:17
Dec 13 02:01:51.072 INFO [stderr]    |
Dec 13 02:01:51.072 INFO [stderr] 44 |             Err(e) => { /* connection failed */ }
Dec 13 02:01:51.073 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 13 02:01:51.073 INFO [stderr]    |
Dec 13 02:01:51.073 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 02:01:51.073 INFO [stderr] 
Dec 13 02:01:51.559 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Dec 13 02:01:51.571 INFO [stderr] su: No module specific data is present
Dec 13 02:01:52.484 INFO running `"docker" "inspect" "7aa1b4526840abd4b75fcfd5975550754f37220a5fe15959e6e94965db5e8c15"`
Dec 13 02:01:52.929 INFO running `"docker" "rm" "-f" "7aa1b4526840abd4b75fcfd5975550754f37220a5fe15959e6e94965db5e8c15"`
Dec 13 02:01:53.219 INFO [stdout] 7aa1b4526840abd4b75fcfd5975550754f37220a5fe15959e6e94965db5e8c15
Dec 13 02:01:53.227 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 02:01:54.116 INFO [stdout] 5f258ef72565e80db07592c1aad6556d746fb1700cf2844e636bfffd534a2b1e
Dec 13 02:01:54.118 INFO running `"docker" "start" "-a" "5f258ef72565e80db07592c1aad6556d746fb1700cf2844e636bfffd534a2b1e"`
Dec 13 02:01:55.428 INFO [stderr] usermod: no changes
Dec 13 02:01:55.503 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 02:01:55.522 INFO [stderr]      Running /target/debug/deps/echo-aaaa6fcee7baccad
Dec 13 02:01:55.551 INFO [stdout] 
Dec 13 02:01:55.551 INFO [stdout] running 0 tests
Dec 13 02:01:55.551 INFO [stdout] 
Dec 13 02:01:55.551 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 02:01:55.551 INFO [stdout] 
Dec 13 02:01:55.553 INFO [stderr] su: No module specific data is present
Dec 13 02:01:56.203 INFO running `"docker" "inspect" "5f258ef72565e80db07592c1aad6556d746fb1700cf2844e636bfffd534a2b1e"`
Dec 13 02:01:56.559 INFO running `"docker" "rm" "-f" "5f258ef72565e80db07592c1aad6556d746fb1700cf2844e636bfffd534a2b1e"`
Dec 13 02:01:56.938 INFO [stdout] 5f258ef72565e80db07592c1aad6556d746fb1700cf2844e636bfffd534a2b1e