Dec 13 00:43:46.840 INFO testing tercen/rustson against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 00:43:46.840 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 13 00:43:47.250 INFO [stdout] a28288acdd71dcb7f65cb7ae9a3cb744734d393c1323b73888649cea9e2a6094
Dec 13 00:43:47.252 INFO running `"docker" "start" "-a" "a28288acdd71dcb7f65cb7ae9a3cb744734d393c1323b73888649cea9e2a6094"`
Dec 13 00:43:48.671 INFO [stderr] usermod: no changes
Dec 13 00:43:48.835 INFO [stderr]    Compiling rustson v0.1.0 (/source)
Dec 13 00:43:49.423 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 00:43:49.423 INFO [stderr]    --> src/lib.rs:133:17
Dec 13 00:43:49.423 INFO [stderr]     |
Dec 13 00:43:49.423 INFO [stderr] 133 |                 add_object(v, buf);
Dec 13 00:43:49.423 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
Dec 13 00:43:49.423 INFO [stderr]     |
Dec 13 00:43:49.423 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 00:43:49.423 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 00:43:49.423 INFO [stderr] 
Dec 13 00:43:50.901 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Dec 13 00:43:50.904 INFO [stderr] su: No module specific data is present
Dec 13 00:43:52.175 INFO running `"docker" "inspect" "a28288acdd71dcb7f65cb7ae9a3cb744734d393c1323b73888649cea9e2a6094"`
Dec 13 00:43:52.451 INFO running `"docker" "rm" "-f" "a28288acdd71dcb7f65cb7ae9a3cb744734d393c1323b73888649cea9e2a6094"`
Dec 13 00:43:52.819 INFO [stdout] a28288acdd71dcb7f65cb7ae9a3cb744734d393c1323b73888649cea9e2a6094
Dec 13 00:43:52.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 13 00:43:53.272 INFO [stdout] 5ea732a385a96e32cdd03ce3dc6643b5867ec1fc825f563142ae1fe462e86711
Dec 13 00:43:53.274 INFO running `"docker" "start" "-a" "5ea732a385a96e32cdd03ce3dc6643b5867ec1fc825f563142ae1fe462e86711"`
Dec 13 00:43:55.076 INFO [stderr] usermod: no changes
Dec 13 00:43:55.171 INFO [stderr]    Compiling rustson v0.1.0 (/source)
Dec 13 00:43:55.563 INFO [stderr] warning: unused import: `std::fs::File`
Dec 13 00:43:55.563 INFO [stderr]    --> src/lib.rs:456:9
Dec 13 00:43:55.563 INFO [stderr]     |
Dec 13 00:43:55.563 INFO [stderr] 456 |     use std::fs::File;
Dec 13 00:43:55.563 INFO [stderr]     |         ^^^^^^^^^^^^^
Dec 13 00:43:55.563 INFO [stderr]     |
Dec 13 00:43:55.563 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 13 00:43:55.563 INFO [stderr] 
Dec 13 00:43:55.563 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 13 00:43:55.563 INFO [stderr]    --> src/lib.rs:457:9
Dec 13 00:43:55.563 INFO [stderr]     |
Dec 13 00:43:55.563 INFO [stderr] 457 |     use std::io::prelude::*;
Dec 13 00:43:55.563 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Dec 13 00:43:55.563 INFO [stderr] 
Dec 13 00:43:55.915 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 00:43:55.915 INFO [stderr]    --> src/lib.rs:133:17
Dec 13 00:43:55.915 INFO [stderr]     |
Dec 13 00:43:55.915 INFO [stderr] 133 |                 add_object(v, buf);
Dec 13 00:43:55.915 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
Dec 13 00:43:55.915 INFO [stderr]     |
Dec 13 00:43:55.915 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 00:43:55.915 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 00:43:55.915 INFO [stderr] 
Dec 13 00:43:57.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
Dec 13 00:43:57.851 INFO [stderr] su: No module specific data is present
Dec 13 00:43:58.726 INFO running `"docker" "inspect" "5ea732a385a96e32cdd03ce3dc6643b5867ec1fc825f563142ae1fe462e86711"`
Dec 13 00:43:59.009 INFO running `"docker" "rm" "-f" "5ea732a385a96e32cdd03ce3dc6643b5867ec1fc825f563142ae1fe462e86711"`
Dec 13 00:43:59.311 INFO [stdout] 5ea732a385a96e32cdd03ce3dc6643b5867ec1fc825f563142ae1fe462e86711
Dec 13 00:43:59.319 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 13 00:43:59.744 INFO [stdout] 720827576e8085772fbd9e676dc4ad749d15c8ec4c997b725e28976b022f2bcc
Dec 13 00:43:59.752 INFO running `"docker" "start" "-a" "720827576e8085772fbd9e676dc4ad749d15c8ec4c997b725e28976b022f2bcc"`
Dec 13 00:44:00.952 INFO [stderr] usermod: no changes
Dec 13 00:44:01.028 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 00:44:01.041 INFO [stderr]      Running /target/debug/deps/rustson-b110ea8c11f00ef3
Dec 13 00:44:01.055 INFO [stdout] 
Dec 13 00:44:01.055 INFO [stdout] running 4 tests
Dec 13 00:44:01.055 INFO [stdout] test tests::empty_lst ... ok
Dec 13 00:44:01.055 INFO [stdout] test tests::lst ... ok
Dec 13 00:44:01.055 INFO [stdout] test tests::map ... ok
Dec 13 00:44:01.063 INFO [stdout] test tests::null ... ok
Dec 13 00:44:01.063 INFO [stdout] 
Dec 13 00:44:01.063 INFO [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 00:44:01.063 INFO [stdout] 
Dec 13 00:44:01.067 INFO [stderr]    Doc-tests rustson
Dec 13 00:44:01.391 INFO [stdout] 
Dec 13 00:44:01.391 INFO [stdout] running 0 tests
Dec 13 00:44:01.391 INFO [stdout] 
Dec 13 00:44:01.391 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 00:44:01.391 INFO [stdout] 
Dec 13 00:44:01.407 INFO [stderr] su: No module specific data is present
Dec 13 00:44:02.111 INFO running `"docker" "inspect" "720827576e8085772fbd9e676dc4ad749d15c8ec4c997b725e28976b022f2bcc"`
Dec 13 00:44:02.385 INFO running `"docker" "rm" "-f" "720827576e8085772fbd9e676dc4ad749d15c8ec4c997b725e28976b022f2bcc"`
Dec 13 00:44:02.666 INFO [stdout] 720827576e8085772fbd9e676dc4ad749d15c8ec4c997b725e28976b022f2bcc