Dec 05 13:36:32.502 INFO testing mtmccarthy/pop3 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 13:36:32.502 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 13:36:32.868 INFO [stdout] f004985cb048ac40d3f605c398e83a41c28e3cd95ef1042f0f0edad70ab1fea8
Dec 05 13:36:32.875 INFO running `"docker" "start" "-a" "f004985cb048ac40d3f605c398e83a41c28e3cd95ef1042f0f0edad70ab1fea8"`
Dec 05 13:36:33.472 INFO [stderr] usermod: no changes
Dec 05 13:36:33.537 INFO [stderr]    Compiling pop3 v0.1.0 (/source)
Dec 05 13:36:33.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:33.792 INFO [stderr]   --> src/pop3/pop3client.rs:16:5
Dec 05 13:36:33.792 INFO [stderr]    |
Dec 05 13:36:33.792 INFO [stderr] 16 |     stream.flush();
Dec 05 13:36:33.792 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 13:36:33.792 INFO [stderr]    |
Dec 05 13:36:33.792 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 13:36:33.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:33.792 INFO [stderr] 
Dec 05 13:36:33.792 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:33.792 INFO [stderr]   --> src/pop3/pop3client.rs:42:5
Dec 05 13:36:33.792 INFO [stderr]    |
Dec 05 13:36:33.792 INFO [stderr] 42 |     stream.write(b"STAT");
Dec 05 13:36:33.792 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:33.792 INFO [stderr]    |
Dec 05 13:36:33.792 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:33.792 INFO [stderr] 
Dec 05 13:36:34.428 INFO [stderr] warning: unused import: `pop3::pop3::pop3client::send_stat`
Dec 05 13:36:34.428 INFO [stderr]  --> src/main.rs:4:5
Dec 05 13:36:34.428 INFO [stderr]   |
Dec 05 13:36:34.428 INFO [stderr] 4 | use pop3::pop3::pop3client::send_stat;
Dec 05 13:36:34.428 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:34.428 INFO [stderr]   |
Dec 05 13:36:34.428 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 13:36:34.428 INFO [stderr] 
Dec 05 13:36:34.428 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 05 13:36:34.428 INFO [stderr]  --> src/main.rs:6:5
Dec 05 13:36:34.428 INFO [stderr]   |
Dec 05 13:36:34.428 INFO [stderr] 6 | use std::io::prelude::*;
Dec 05 13:36:34.428 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:34.428 INFO [stderr] 
Dec 05 13:36:35.028 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Dec 05 13:36:35.028 INFO [stderr] su: No module specific data is present
Dec 05 13:36:35.611 INFO running `"docker" "inspect" "f004985cb048ac40d3f605c398e83a41c28e3cd95ef1042f0f0edad70ab1fea8"`
Dec 05 13:36:35.894 INFO running `"docker" "rm" "-f" "f004985cb048ac40d3f605c398e83a41c28e3cd95ef1042f0f0edad70ab1fea8"`
Dec 05 13:36:36.136 INFO [stdout] f004985cb048ac40d3f605c398e83a41c28e3cd95ef1042f0f0edad70ab1fea8
Dec 05 13:36:36.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 13:36:36.524 INFO [stdout] 84ddf388ff76e4de3ccdae7570c745bed187fa9f60dc4137dad8e3f5ad1972a4
Dec 05 13:36:36.529 INFO running `"docker" "start" "-a" "84ddf388ff76e4de3ccdae7570c745bed187fa9f60dc4137dad8e3f5ad1972a4"`
Dec 05 13:36:38.147 INFO [stderr] usermod: no changes
Dec 05 13:36:38.224 INFO [stderr]    Compiling pop3 v0.1.0 (/source)
Dec 05 13:36:38.772 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:38.772 INFO [stderr]   --> src/pop3/pop3client.rs:16:5
Dec 05 13:36:38.772 INFO [stderr]    |
Dec 05 13:36:38.772 INFO [stderr] 16 |     stream.flush();
Dec 05 13:36:38.772 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 13:36:38.772 INFO [stderr]    |
Dec 05 13:36:38.772 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 13:36:38.772 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:38.772 INFO [stderr] 
Dec 05 13:36:38.772 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:36:38.772 INFO [stderr]   --> src/pop3/pop3client.rs:42:5
Dec 05 13:36:38.772 INFO [stderr]    |
Dec 05 13:36:38.772 INFO [stderr] 42 |     stream.write(b"STAT");
Dec 05 13:36:38.772 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:38.772 INFO [stderr]    |
Dec 05 13:36:38.772 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:36:38.772 INFO [stderr] 
Dec 05 13:36:38.884 INFO [stderr] warning: unused import: `pop3::pop3::pop3client::send_stat`
Dec 05 13:36:38.884 INFO [stderr]  --> src/main.rs:4:5
Dec 05 13:36:38.884 INFO [stderr]   |
Dec 05 13:36:38.884 INFO [stderr] 4 | use pop3::pop3::pop3client::send_stat;
Dec 05 13:36:38.884 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:38.884 INFO [stderr]   |
Dec 05 13:36:38.884 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 13:36:38.884 INFO [stderr] 
Dec 05 13:36:38.885 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 05 13:36:38.885 INFO [stderr]  --> src/main.rs:6:5
Dec 05 13:36:38.885 INFO [stderr]   |
Dec 05 13:36:38.885 INFO [stderr] 6 | use std::io::prelude::*;
Dec 05 13:36:38.885 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 05 13:36:38.885 INFO [stderr] 
Dec 05 13:36:39.397 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Dec 05 13:36:39.400 INFO [stderr] su: No module specific data is present
Dec 05 13:36:40.540 INFO running `"docker" "inspect" "84ddf388ff76e4de3ccdae7570c745bed187fa9f60dc4137dad8e3f5ad1972a4"`
Dec 05 13:36:40.794 INFO running `"docker" "rm" "-f" "84ddf388ff76e4de3ccdae7570c745bed187fa9f60dc4137dad8e3f5ad1972a4"`
Dec 05 13:36:41.152 INFO [stdout] 84ddf388ff76e4de3ccdae7570c745bed187fa9f60dc4137dad8e3f5ad1972a4
Dec 05 13:36:41.158 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 13:36:41.592 INFO [stdout] c2742eb1ba809ed49a75939a1dd74d89945848ece22770cdfda122d0c5cc2be5
Dec 05 13:36:41.604 INFO running `"docker" "start" "-a" "c2742eb1ba809ed49a75939a1dd74d89945848ece22770cdfda122d0c5cc2be5"`
Dec 05 13:36:43.759 INFO [stderr] usermod: no changes
Dec 05 13:36:43.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 05 13:36:43.840 INFO [stderr]      Running /target/debug/deps/pop3-9ab0da95c74ed074
Dec 05 13:36:43.848 INFO [stdout] 
Dec 05 13:36:43.848 INFO [stdout] running 0 tests
Dec 05 13:36:43.848 INFO [stdout] 
Dec 05 13:36:43.848 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:36:43.848 INFO [stdout] 
Dec 05 13:36:43.848 INFO [stderr]      Running /target/debug/deps/pop3-e41e3ea01a856374
Dec 05 13:36:43.864 INFO [stdout] 
Dec 05 13:36:43.864 INFO [stdout] running 0 tests
Dec 05 13:36:43.864 INFO [stdout] 
Dec 05 13:36:43.864 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:36:43.864 INFO [stdout] 
Dec 05 13:36:43.864 INFO [stderr]    Doc-tests pop3
Dec 05 13:36:44.302 INFO [stdout] 
Dec 05 13:36:44.302 INFO [stdout] running 0 tests
Dec 05 13:36:44.302 INFO [stdout] 
Dec 05 13:36:44.302 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:36:44.302 INFO [stdout] 
Dec 05 13:36:44.308 INFO [stderr] su: No module specific data is present
Dec 05 13:36:45.393 INFO running `"docker" "inspect" "c2742eb1ba809ed49a75939a1dd74d89945848ece22770cdfda122d0c5cc2be5"`
Dec 05 13:36:45.720 INFO running `"docker" "rm" "-f" "c2742eb1ba809ed49a75939a1dd74d89945848ece22770cdfda122d0c5cc2be5"`
Dec 05 13:36:46.080 INFO [stdout] c2742eb1ba809ed49a75939a1dd74d89945848ece22770cdfda122d0c5cc2be5