[INFO] fetching crate mownstr 0.1.1... [INFO] testing mownstr-0.1.1 against 1.44.0 for beta-1.45-1 [INFO] extracting crate mownstr 0.1.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate mownstr 0.1.1 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate mownstr 0.1.1 [INFO] finished tweaking crates.io crate mownstr 0.1.1 [INFO] tweaked toml for crates.io crate mownstr 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 53b974621a8ff31fdcdf92534f4dba2e2c33d15d571ff618a3ab8c394588cf75 [INFO] running `"docker" "start" "-a" "53b974621a8ff31fdcdf92534f4dba2e2c33d15d571ff618a3ab8c394588cf75"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling mownstr v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `"docker" "inspect" "53b974621a8ff31fdcdf92534f4dba2e2c33d15d571ff618a3ab8c394588cf75"` [INFO] running `"docker" "rm" "-f" "53b974621a8ff31fdcdf92534f4dba2e2c33d15d571ff618a3ab8c394588cf75"` [INFO] [stdout] 53b974621a8ff31fdcdf92534f4dba2e2c33d15d571ff618a3ab8c394588cf75 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 870a2054bee62a2d8c5a480312e089f5532bbb3c64f83d75bccbbf2bcf863931 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "870a2054bee62a2d8c5a480312e089f5532bbb3c64f83d75bccbbf2bcf863931"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling oorandom v11.1.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling criterion-plot v0.4.2 [INFO] [stderr] Compiling crossbeam-queue v0.2.2 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling criterion v0.3.2 [INFO] [stderr] Compiling mownstr v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 58.23s [INFO] running `"docker" "inspect" "870a2054bee62a2d8c5a480312e089f5532bbb3c64f83d75bccbbf2bcf863931"` [INFO] running `"docker" "rm" "-f" "870a2054bee62a2d8c5a480312e089f5532bbb3c64f83d75bccbbf2bcf863931"` [INFO] [stdout] 870a2054bee62a2d8c5a480312e089f5532bbb3c64f83d75bccbbf2bcf863931 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fbd1137d5bbfd8f89d446663953034a6327e67bb53b6549acb1b5d45b613baaf [INFO] running `"docker" "start" "-a" "fbd1137d5bbfd8f89d446663953034a6327e67bb53b6549acb1b5d45b613baaf"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mownstr-441eea2ef4529e99 [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test test::no_double_free ... ok [INFO] [stdout] test test::test_build_owned_from_box ... ok [INFO] [stdout] test test::test_build_owned_from_string ... ok [INFO] [stdout] test test::test_hash ... ok [INFO] [stdout] test test::test_order ... ok [INFO] [stdout] test test::test_build_borrowed ... ok [INFO] [stdout] test test::test_display ... ok [INFO] [stdout] test test::test_eq ... ok [INFO] [stdout] test test::test_deref ... ok [INFO] [stdout] test test::test_build_borrowed_from_cow ... ok [INFO] [stdout] test test::test_build_owned_from_cow ... ok [INFO] [stdout] test test::no_memory_leak ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test::no_memory_leak stdout ---- [INFO] [stdout] vmsize = 154 MB [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] 1 MownStrs in the Vec, of len 100000000, starting with "xx" [INFO] [stdout] vmsize = 514 MB [INFO] [stdout] thread 'test::no_memory_leak' panicked at 'assertion failed: increase < 3.0', src/lib.rs:432:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55bec4d59fc4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55bec4d59fc4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55bec4d59fc4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55bec4d59fc4 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55bec4d82c0c - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55bec4d0d375 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55bec4d543a1 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55bec4d5c895 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55bec4d5c895 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55bec4d5c895 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55bec4d5c57b - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55bec4d5cef2 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55bec4cf8bdd - std::panicking::begin_panic::h165c503003426863 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stdout] 13: 0x55bec4cf52ad - mownstr::test::no_memory_leak::he2702b95fefe6819 [INFO] [stdout] at src/lib.rs:432 [INFO] [stdout] 14: 0x55bec4cf4ada - mownstr::test::no_memory_leak::{{closure}}::ha0b0786d337e71f3 [INFO] [stdout] at src/lib.rs:405 [INFO] [stdout] 15: 0x55bec4cf8e6e - core::ops::function::FnOnce::call_once::h572ed17c38f2c0a0 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x55bec4d34806 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 17: 0x55bec4d34806 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x55bec4d34806 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x55bec4d34806 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x55bec4d34806 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55bec4d34806 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x55bec4d34806 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x55bec4d0c826 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x55bec4d11bb5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x55bec4d11bb5 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x55bec4d11bb5 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 27: 0x55bec4d11bb5 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x55bec4d11bb5 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x55bec4d11bb5 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x55bec4d11bb5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x55bec4d636da - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 32: 0x55bec4d636da - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x55bec4d636da - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7fd7a1290609 - start_thread [INFO] [stdout] 35: 0x7fd7a119c103 - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test::no_memory_leak [INFO] [stdout] [INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "fbd1137d5bbfd8f89d446663953034a6327e67bb53b6549acb1b5d45b613baaf"` [INFO] running `"docker" "rm" "-f" "fbd1137d5bbfd8f89d446663953034a6327e67bb53b6549acb1b5d45b613baaf"` [INFO] [stdout] fbd1137d5bbfd8f89d446663953034a6327e67bb53b6549acb1b5d45b613baaf