Dec 15 20:40:58.919 INFO testing btree-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 15 20:40:58.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 15 20:40:59.077 INFO [stdout] 38b50e091894f752ab46555f631b4559c26f8724a5d5770af218a2012cbce5a7 Dec 15 20:40:59.080 INFO running `"docker" "start" "-a" "38b50e091894f752ab46555f631b4559c26f8724a5d5770af218a2012cbce5a7"` Dec 15 20:40:59.538 INFO [stderr] usermod: no changes Dec 15 20:40:59.564 INFO [stderr] warning: `panic` setting is ignored for `test` profile Dec 15 20:40:59.577 INFO [stderr] Compiling raw_serde_derive v0.1.2 Dec 15 20:41:01.494 INFO [stderr] Compiling raw_serde v0.1.4 Dec 15 20:41:09.231 INFO [stderr] Compiling btree v0.1.0 (/source) Dec 15 20:41:10.724 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.17s Dec 15 20:41:10.731 INFO [stderr] su: No module specific data is present Dec 15 20:41:11.136 INFO running `"docker" "inspect" "38b50e091894f752ab46555f631b4559c26f8724a5d5770af218a2012cbce5a7"` Dec 15 20:41:11.359 INFO running `"docker" "rm" "-f" "38b50e091894f752ab46555f631b4559c26f8724a5d5770af218a2012cbce5a7"` Dec 15 20:41:11.486 INFO [stdout] 38b50e091894f752ab46555f631b4559c26f8724a5d5770af218a2012cbce5a7 Dec 15 20:41:11.489 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 15 20:41:11.729 INFO [stdout] 65f1886798f4d3057ffe9e74d1ac58847f3a3ad4db9fe8fa58d0351dbfe6ecc4 Dec 15 20:41:11.732 INFO running `"docker" "start" "-a" "65f1886798f4d3057ffe9e74d1ac58847f3a3ad4db9fe8fa58d0351dbfe6ecc4"` Dec 15 20:41:12.647 INFO [stderr] usermod: no changes Dec 15 20:41:12.731 INFO [stderr] warning: `panic` setting is ignored for `test` profile Dec 15 20:41:12.759 INFO [stderr] Compiling btree v0.1.0 (/source) Dec 15 20:41:13.991 INFO [stderr] warning: unused variable: `x` Dec 15 20:41:13.991 INFO [stderr] --> src/lib.rs:26:13 Dec 15 20:41:13.991 INFO [stderr] | Dec 15 20:41:13.991 INFO [stderr] 26 | let x = t.search(&i.to_string()).unwrap().unwrap(); Dec 15 20:41:13.991 INFO [stderr] | ^ help: consider using `_x` instead Dec 15 20:41:13.991 INFO [stderr] | Dec 15 20:41:13.991 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 15 20:41:13.991 INFO [stderr] Dec 15 20:41:17.737 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.05s Dec 15 20:41:17.744 INFO [stderr] su: No module specific data is present Dec 15 20:41:18.201 INFO running `"docker" "inspect" "65f1886798f4d3057ffe9e74d1ac58847f3a3ad4db9fe8fa58d0351dbfe6ecc4"` Dec 15 20:41:18.462 INFO running `"docker" "rm" "-f" "65f1886798f4d3057ffe9e74d1ac58847f3a3ad4db9fe8fa58d0351dbfe6ecc4"` Dec 15 20:41:18.678 INFO [stdout] 65f1886798f4d3057ffe9e74d1ac58847f3a3ad4db9fe8fa58d0351dbfe6ecc4 Dec 15 20:41:18.695 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 15 20:41:19.127 INFO [stdout] 6c15fb7dd239e2c98b0c3d042e52cd5c27fc55a7958f5b50528e46468e82ac86 Dec 15 20:41:19.132 INFO running `"docker" "start" "-a" "6c15fb7dd239e2c98b0c3d042e52cd5c27fc55a7958f5b50528e46468e82ac86"` Dec 15 20:41:19.902 INFO [stderr] usermod: no changes Dec 15 20:41:19.952 INFO [stderr] warning: `panic` setting is ignored for `test` profile Dec 15 20:41:19.979 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s Dec 15 20:41:19.993 INFO [stderr] Running /target/debug/deps/btree-063136ce92955664 Dec 15 20:41:19.993 INFO [stdout] Dec 15 20:41:19.993 INFO [stdout] running 1 test Dec 15 20:41:20.067 INFO [stdout] test it_works ... FAILED Dec 15 20:41:20.067 INFO [stdout] Dec 15 20:41:20.067 INFO [stdout] failures: Dec 15 20:41:20.067 INFO [stdout] Dec 15 20:41:20.067 INFO [stdout] ---- it_works stdout ---- Dec 15 20:41:20.067 INFO [stdout] thread 'it_works' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1009:5 Dec 15 20:41:20.067 INFO [stdout] stack backtrace: Dec 15 20:41:20.067 INFO [stdout] 0: 0x55f0001d1a63 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::heb4d4d98bcf46d90 Dec 15 20:41:20.067 INFO [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 15 20:41:20.067 INFO [stdout] 1: 0x55f0001cc1f8 - std::sys_common::backtrace::_print::h919420b22c2473e3 Dec 15 20:41:20.067 INFO [stdout] at src/libstd/sys_common/backtrace.rs:71 Dec 15 20:41:20.067 INFO [stdout] 2: 0x55f0001d09d2 - std::panicking::default_hook::{{closure}}::h22d4ac021acb88d5 Dec 15 20:41:20.067 INFO [stdout] at src/libstd/sys_common/backtrace.rs:59 Dec 15 20:41:20.067 INFO [stdout] at src/libstd/panicking.rs:210 Dec 15 20:41:20.067 INFO [stdout] 3: 0x55f0001d06c7 - std::panicking::default_hook::h1134a4d34aab4428 Dec 15 20:41:20.067 INFO [stdout] at src/libstd/panicking.rs:218 Dec 15 20:41:20.067 INFO [stdout] 4: 0x55f0001d10e0 - std::panicking::rust_panic_with_hook::h9c89557c251f2d42 Dec 15 20:41:20.067 INFO [stdout] at src/libstd/panicking.rs:487 Dec 15 20:41:20.067 INFO [stdout] 5: 0x55f0001d0c61 - std::panicking::continue_panic_fmt::h6b63497ce98499d4 Dec 15 20:41:20.067 INFO [stdout] at src/libstd/panicking.rs:394 Dec 15 20:41:20.067 INFO [stdout] 6: 0x55f0001d0b45 - rust_begin_unwind Dec 15 20:41:20.067 INFO [stdout] at src/libstd/panicking.rs:321 Dec 15 20:41:20.067 INFO [stdout] 7: 0x55f0001e0e6c - core::panicking::panic_fmt::h68c043a5e81351f3 Dec 15 20:41:20.067 INFO [stdout] at src/libcore/panicking.rs:95 Dec 15 20:41:20.067 INFO [stdout] 8: 0x55f000177f34 - core::result::unwrap_failed::h452fb07b75904559 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libcore/macros.rs:26 Dec 15 20:41:20.067 INFO [stdout] 9: 0x55f0001776a3 - core::ops::function::FnOnce::call_once::ha4d80cf710c9824e Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libcore/result.rs:808 Dec 15 20:41:20.067 INFO [stdout] at src/lib.rs:10 Dec 15 20:41:20.067 INFO [stdout] at src/lib.rs:9 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libcore/ops/function.rs:238 Dec 15 20:41:20.067 INFO [stdout] 10: 0x55f00018706e - >::call_box::h3cf534772c089f15 Dec 15 20:41:20.067 INFO [stdout] at src/libtest/lib.rs:1483 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libcore/ops/function.rs:238 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:673 Dec 15 20:41:20.067 INFO [stdout] 11: 0x55f0001df6a9 - __rust_maybe_catch_panic Dec 15 20:41:20.067 INFO [stdout] at src/libpanic_unwind/lib.rs:102 Dec 15 20:41:20.067 INFO [stdout] 12: 0x55f0001a4a17 - test::run_test::run_test_inner::{{closure}}::h5f14673685eef7c8 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398 Dec 15 20:41:20.067 INFO [stdout] at src/libtest/lib.rs:1438 Dec 15 20:41:20.067 INFO [stdout] 13: 0x55f00017f924 - std::sys_common::backtrace::__rust_begin_short_backtrace::h96de92a7d062bb5f Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/sys_common/backtrace.rs:136 Dec 15 20:41:20.067 INFO [stdout] 14: 0x55f00017ff94 - std::panicking::try::do_call::h6a71e68ea4ad0d8a Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/thread/mod.rs:479 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:319 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:306 Dec 15 20:41:20.067 INFO [stdout] 15: 0x55f0001df6a9 - __rust_maybe_catch_panic Dec 15 20:41:20.067 INFO [stdout] at src/libpanic_unwind/lib.rs:102 Dec 15 20:41:20.067 INFO [stdout] 16: 0x55f000186f4c - >::call_box::h260fd1ad8e2854a6 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panicking.rs:285 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/panic.rs:398 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/thread/mod.rs:478 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:673 Dec 15 20:41:20.067 INFO [stdout] 17: 0x55f0001d366d - std::sys::unix::thread::Thread::new::thread_start::h08aa646226e66c99 Dec 15 20:41:20.067 INFO [stdout] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/liballoc/boxed.rs:683 Dec 15 20:41:20.067 INFO [stdout] at src/libstd/sys_common/thread.rs:24 Dec 15 20:41:20.067 INFO [stdout] at src/libstd/sys/unix/thread.rs:91 Dec 15 20:41:20.067 INFO [stdout] 18: 0x7fba84efb6b9 - start_thread Dec 15 20:41:20.067 INFO [stdout] 19: 0x7fba84a1b41c - clone Dec 15 20:41:20.067 INFO [stdout] 20: 0x0 - Dec 15 20:41:20.067 INFO [stdout] Dec 15 20:41:20.067 INFO [stdout] Dec 15 20:41:20.067 INFO [stdout] failures: Dec 15 20:41:20.067 INFO [stdout] it_works Dec 15 20:41:20.067 INFO [stdout] Dec 15 20:41:20.067 INFO [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out Dec 15 20:41:20.067 INFO [stdout] Dec 15 20:41:20.070 INFO [stderr] error: test failed, to rerun pass '--lib' Dec 15 20:41:20.079 INFO [stderr] su: No module specific data is present Dec 15 20:41:20.484 INFO running `"docker" "inspect" "6c15fb7dd239e2c98b0c3d042e52cd5c27fc55a7958f5b50528e46468e82ac86"` Dec 15 20:41:20.663 INFO running `"docker" "rm" "-f" "6c15fb7dd239e2c98b0c3d042e52cd5c27fc55a7958f5b50528e46468e82ac86"` Dec 15 20:41:20.946 INFO [stdout] 6c15fb7dd239e2c98b0c3d042e52cd5c27fc55a7958f5b50528e46468e82ac86