Dec 14 20:12:28.984 INFO testing serial-0.4.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 20:12:28.984 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 20:12:29.440 INFO [stdout] aba26f5e7462f223aba1990f57e808a8444d1d1cb84e899e97d1f742638e7719
Dec 14 20:12:29.442 INFO running `"docker" "start" "-a" "aba26f5e7462f223aba1990f57e808a8444d1d1cb84e899e97d1f742638e7719"`
Dec 14 20:12:30.658 INFO [stderr] usermod: no changes
Dec 14 20:12:30.704 INFO [stderr]    Compiling serial-unix v0.4.0
Dec 14 20:12:31.796 INFO [stderr]    Compiling serial v0.4.0 (/source)
Dec 14 20:12:32.494 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
Dec 14 20:12:32.497 INFO [stderr] su: No module specific data is present
Dec 14 20:12:32.988 INFO running `"docker" "inspect" "aba26f5e7462f223aba1990f57e808a8444d1d1cb84e899e97d1f742638e7719"`
Dec 14 20:12:33.460 INFO running `"docker" "rm" "-f" "aba26f5e7462f223aba1990f57e808a8444d1d1cb84e899e97d1f742638e7719"`
Dec 14 20:12:33.665 INFO [stdout] aba26f5e7462f223aba1990f57e808a8444d1d1cb84e899e97d1f742638e7719
Dec 14 20:12:33.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 20:12:34.048 INFO [stdout] f2c3efab8215a2c7a9fbbd75693b61f4297a78d2262e5dbe47a71b3b336ddb3e
Dec 14 20:12:34.050 INFO running `"docker" "start" "-a" "f2c3efab8215a2c7a9fbbd75693b61f4297a78d2262e5dbe47a71b3b336ddb3e"`
Dec 14 20:12:35.885 INFO [stderr] usermod: no changes
Dec 14 20:12:35.963 INFO [stderr]    Compiling serial v0.4.0 (/source)
Dec 14 20:12:38.042 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 14 20:12:38.042 INFO [stderr]  --> examples/read_write.rs:6:5
Dec 14 20:12:38.042 INFO [stderr]   |
Dec 14 20:12:38.042 INFO [stderr] 6 | use std::io::prelude::*;
Dec 14 20:12:38.042 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 20:12:38.042 INFO [stderr]   |
Dec 14 20:12:38.042 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 20:12:38.042 INFO [stderr] 
Dec 14 20:12:39.083 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
Dec 14 20:12:39.083 INFO [stderr] su: No module specific data is present
Dec 14 20:12:39.955 INFO running `"docker" "inspect" "f2c3efab8215a2c7a9fbbd75693b61f4297a78d2262e5dbe47a71b3b336ddb3e"`
Dec 14 20:12:40.273 INFO running `"docker" "rm" "-f" "f2c3efab8215a2c7a9fbbd75693b61f4297a78d2262e5dbe47a71b3b336ddb3e"`
Dec 14 20:12:40.546 INFO [stdout] f2c3efab8215a2c7a9fbbd75693b61f4297a78d2262e5dbe47a71b3b336ddb3e
Dec 14 20:12:40.553 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 20:12:41.007 INFO [stdout] 724c3e644c84dbfbc6a02968360d793578e6c88df838f262d23f99bb04a6eb4f
Dec 14 20:12:41.015 INFO running `"docker" "start" "-a" "724c3e644c84dbfbc6a02968360d793578e6c88df838f262d23f99bb04a6eb4f"`
Dec 14 20:12:42.482 INFO [stderr] usermod: no changes
Dec 14 20:12:42.591 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 14 20:12:42.599 INFO [stderr]      Running /target/debug/deps/serial-22c7af0725aa3c34
Dec 14 20:12:42.603 INFO [stdout] 
Dec 14 20:12:42.603 INFO [stdout] running 0 tests
Dec 14 20:12:42.603 INFO [stdout] 
Dec 14 20:12:42.603 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 20:12:42.603 INFO [stdout] 
Dec 14 20:12:42.607 INFO [stderr]    Doc-tests serial
Dec 14 20:12:43.925 INFO [stdout] 
Dec 14 20:12:43.925 INFO [stdout] running 2 tests
Dec 14 20:12:45.975 INFO [stdout] test src/lib.rs - open (line 57) ... ok
Dec 14 20:12:46.082 INFO [stdout] test src/lib.rs - open (line 50) ... ok
Dec 14 20:12:46.082 INFO [stdout] 
Dec 14 20:12:46.082 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 20:12:46.082 INFO [stdout] 
Dec 14 20:12:46.113 INFO [stderr] su: No module specific data is present
Dec 14 20:12:46.973 INFO running `"docker" "inspect" "724c3e644c84dbfbc6a02968360d793578e6c88df838f262d23f99bb04a6eb4f"`
Dec 14 20:12:47.263 INFO running `"docker" "rm" "-f" "724c3e644c84dbfbc6a02968360d793578e6c88df838f262d23f99bb04a6eb4f"`
Dec 14 20:12:47.647 INFO [stdout] 724c3e644c84dbfbc6a02968360d793578e6c88df838f262d23f99bb04a6eb4f