Dec 15 07:57:40.817 INFO testing immut_string-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 07:57:40.817 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15 07:57:41.420 INFO [stdout] 94783b0a3693f92acc3fe42a1800011419e230ddbf4d06976ac609a1759c6a62
Dec 15 07:57:41.422 INFO running `"docker" "start" "-a" "94783b0a3693f92acc3fe42a1800011419e230ddbf4d06976ac609a1759c6a62"`
Dec 15 07:57:42.158 INFO [stderr] usermod: no changes
Dec 15 07:57:42.184 INFO [stderr]    Compiling immut_string v0.1.0 (/source)
Dec 15 07:57:42.841 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 15 07:57:42.843 INFO [stderr] su: No module specific data is present
Dec 15 07:57:43.508 INFO running `"docker" "inspect" "94783b0a3693f92acc3fe42a1800011419e230ddbf4d06976ac609a1759c6a62"`
Dec 15 07:57:43.605 INFO running `"docker" "rm" "-f" "94783b0a3693f92acc3fe42a1800011419e230ddbf4d06976ac609a1759c6a62"`
Dec 15 07:57:43.712 INFO [stdout] 94783b0a3693f92acc3fe42a1800011419e230ddbf4d06976ac609a1759c6a62
Dec 15 07:57:43.716 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15 07:57:43.948 INFO [stdout] 79e1b3991c471e0a35c09e4a27f116ffea098c7c059fc60c056718988ae9fed0
Dec 15 07:57:43.952 INFO running `"docker" "start" "-a" "79e1b3991c471e0a35c09e4a27f116ffea098c7c059fc60c056718988ae9fed0"`
Dec 15 07:57:44.815 INFO [stderr] usermod: no changes
Dec 15 07:57:44.831 INFO [stderr]    Compiling immut_string v0.1.0 (/source)
Dec 15 07:57:46.011 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 15 07:57:46.011 INFO [stderr] su: No module specific data is present
Dec 15 07:57:46.481 INFO running `"docker" "inspect" "79e1b3991c471e0a35c09e4a27f116ffea098c7c059fc60c056718988ae9fed0"`
Dec 15 07:57:46.761 INFO running `"docker" "rm" "-f" "79e1b3991c471e0a35c09e4a27f116ffea098c7c059fc60c056718988ae9fed0"`
Dec 15 07:57:46.971 INFO [stdout] 79e1b3991c471e0a35c09e4a27f116ffea098c7c059fc60c056718988ae9fed0
Dec 15 07:57:46.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15 07:57:47.354 INFO [stdout] 7d50f8cf00dada04609895ef6ac5c79eff11ec02f275e77f794fd341ed17f928
Dec 15 07:57:47.356 INFO running `"docker" "start" "-a" "7d50f8cf00dada04609895ef6ac5c79eff11ec02f275e77f794fd341ed17f928"`
Dec 15 07:57:48.656 INFO [stderr] usermod: no changes
Dec 15 07:57:48.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 15 07:57:48.725 INFO [stderr]      Running /target/debug/deps/immut_string-447f3c002265c98e
Dec 15 07:57:48.727 INFO [stdout] 
Dec 15 07:57:48.727 INFO [stdout] running 0 tests
Dec 15 07:57:48.727 INFO [stdout] 
Dec 15 07:57:48.727 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 07:57:48.727 INFO [stdout] 
Dec 15 07:57:48.727 INFO [stderr]    Doc-tests immut_string
Dec 15 07:57:49.714 INFO [stdout] 
Dec 15 07:57:49.714 INFO [stdout] running 5 tests
Dec 15 07:57:51.855 INFO [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 166) ... ok
Dec 15 07:57:52.663 INFO [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 141) ... ok
Dec 15 07:57:53.104 INFO [stdout] test src/immut_string.rs - immut_string::ImmutString (line 9) ... ok
Dec 15 07:57:53.208 INFO [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 97) ... ok
Dec 15 07:57:53.439 INFO [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 191) ... ok
Dec 15 07:57:53.439 INFO [stdout] 
Dec 15 07:57:53.439 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 07:57:53.439 INFO [stdout] 
Dec 15 07:57:53.455 INFO [stderr] su: No module specific data is present
Dec 15 07:57:54.276 INFO running `"docker" "inspect" "7d50f8cf00dada04609895ef6ac5c79eff11ec02f275e77f794fd341ed17f928"`
Dec 15 07:57:54.683 INFO running `"docker" "rm" "-f" "7d50f8cf00dada04609895ef6ac5c79eff11ec02f275e77f794fd341ed17f928"`
Dec 15 07:57:54.978 INFO [stdout] 7d50f8cf00dada04609895ef6ac5c79eff11ec02f275e77f794fd341ed17f928