[INFO] updating cached repository https://github.com/millere/bf [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 795dab0d74ee89bc90dbc63e10e545708494e3bb [INFO] testing millere/bf against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmillere%2Fbf" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/millere/bf on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/millere/bf [INFO] finished tweaking git repo https://github.com/millere/bf [INFO] tweaked toml for git repo https://github.com/millere/bf written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/millere/bf already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-06-03" "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] 51179b0f971d1a75ebba928c6ae0ed6791b3521bba26ccd5e788803e047c0109 [INFO] running `"docker" "start" "-a" "51179b0f971d1a75ebba928c6ae0ed6791b3521bba26ccd5e788803e047c0109"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling bf v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:4:37 [INFO] [stderr] | [INFO] [stderr] 4 | fn brainfuck(prg: &str, input: &mut io::Read, output: &mut io::Write) { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:4:60 [INFO] [stderr] | [INFO] [stderr] 4 | fn brainfuck(prg: &str, input: &mut io::Read, output: &mut io::Write) { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:14:22 [INFO] [stderr] | [INFO] [stderr] 14 | b'.' => {output.write(&mut buffer[mptr .. mptr+1]);}, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `"docker" "inspect" "51179b0f971d1a75ebba928c6ae0ed6791b3521bba26ccd5e788803e047c0109"` [INFO] running `"docker" "rm" "-f" "51179b0f971d1a75ebba928c6ae0ed6791b3521bba26ccd5e788803e047c0109"` [INFO] [stdout] 51179b0f971d1a75ebba928c6ae0ed6791b3521bba26ccd5e788803e047c0109 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cb2bae16d6d7bc18377c3c159eacd4112fd7d429d662dbb9b6c9e0ca6909deeb [INFO] running `"docker" "start" "-a" "cb2bae16d6d7bc18377c3c159eacd4112fd7d429d662dbb9b6c9e0ca6909deeb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling bf v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:4:37 [INFO] [stderr] | [INFO] [stderr] 4 | fn brainfuck(prg: &str, input: &mut io::Read, output: &mut io::Write) { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:4:60 [INFO] [stderr] | [INFO] [stderr] 4 | fn brainfuck(prg: &str, input: &mut io::Read, output: &mut io::Write) { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:14:22 [INFO] [stderr] | [INFO] [stderr] 14 | b'.' => {output.write(&mut buffer[mptr .. mptr+1]);}, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `"docker" "inspect" "cb2bae16d6d7bc18377c3c159eacd4112fd7d429d662dbb9b6c9e0ca6909deeb"` [INFO] running `"docker" "rm" "-f" "cb2bae16d6d7bc18377c3c159eacd4112fd7d429d662dbb9b6c9e0ca6909deeb"` [INFO] [stdout] cb2bae16d6d7bc18377c3c159eacd4112fd7d429d662dbb9b6c9e0ca6909deeb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-06-03" "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] 36d45686ebb3580486d2c46ef4898471907b2c40e9a0a5910392cc49f57920b3 [INFO] running `"docker" "start" "-a" "36d45686ebb3580486d2c46ef4898471907b2c40e9a0a5910392cc49f57920b3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] [INFO] [stderr] --> src/main.rs:4:37 [INFO] [stdout] running 1 test [INFO] [stderr] | [INFO] [stderr] 4 | fn brainfuck(prg: &str, input: &mut io::Read, output: &mut io::Write) { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:4:60 [INFO] [stderr] | [INFO] [stderr] 4 | fn brainfuck(prg: &str, input: &mut io::Read, output: &mut io::Write) { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:14:22 [INFO] [stderr] | [INFO] [stderr] 14 | b'.' => {output.write(&mut buffer[mptr .. mptr+1]);}, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/bf-abec10a50dea1cde [INFO] [stderr] error: test failed, to rerun pass '--bin bf' [INFO] [stdout] test test_brainfuck ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_brainfuck stdout ---- [INFO] [stdout] thread 'test_brainfuck' panicked at 'assertion failed: String::from_utf8(output).unwrap() == "Hello, world!"', src/main.rs:75:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561bbd795995 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x561bbd795995 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x561bbd795995 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x561bbd795995 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x561bbd7bd8ec - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x561bbd7487f5 - std::io::Write::write_fmt::h944a31ab04b0dfe4 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x561bbd78ebe1 - std::io::impls::>::write_fmt::h6bd94c41a9c566d2 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x561bbd7981c0 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x561bbd7981c0 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x561bbd7981c0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x561bbd797eba - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x561bbd7987f7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x561bbd746907 - std::panicking::begin_panic::h40345f8626ff1fb7 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:410 [INFO] [stdout] 13: 0x561bbd74074a - bf::test_brainfuck::h5fbfd9d8b8a48818 [INFO] [stdout] at src/main.rs:75 [INFO] [stdout] 14: 0x561bbd7405fa - bf::test_brainfuck::{{closure}}::ha3c5fef90964e4e5 [INFO] [stdout] at src/main.rs:71 [INFO] [stdout] 15: 0x561bbd74190e - core::ops::function::FnOnce::call_once::h26d71bc56297d075 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x561bbd76fbe2 - as core::ops::function::FnOnce>::call_once::hd23431bd7b767a0c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 17: 0x561bbd76fbe2 - as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x561bbd76fbe2 - std::panicking::try::do_call::haee67871ebe8ee92 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 19: 0x561bbd76fbe2 - std::panicking::try::hcba534043f17f42d [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x561bbd76fbe2 - std::panic::catch_unwind::h6908c2ae7517b434 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x561bbd76fbe2 - test::run_test_in_process::h66277a63b8267865 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x561bbd76fbe2 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x561bbd747cb6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x561bbd74d255 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x561bbd74d255 - as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x561bbd74d255 - std::panicking::try::do_call::h4b45bcf4d5d82a80 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 27: 0x561bbd74d255 - std::panicking::try::h297c0c407d3f8196 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x561bbd74d255 - std::panic::catch_unwind::h877baa9fbef2eafe [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x561bbd74d255 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x561bbd74d255 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x561bbd79eaba - as core::ops::function::FnOnce>::call_once::hfc5c0e64036d1b09 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 32: 0x561bbd79eaba - as core::ops::function::FnOnce>::call_once::hf3d73184efc070c1 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 33: 0x561bbd79eaba - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7f0659786609 - start_thread [INFO] [stdout] 35: 0x7f0659692103 - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_brainfuck [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "36d45686ebb3580486d2c46ef4898471907b2c40e9a0a5910392cc49f57920b3"` [INFO] running `"docker" "rm" "-f" "36d45686ebb3580486d2c46ef4898471907b2c40e9a0a5910392cc49f57920b3"` [INFO] [stdout] 36d45686ebb3580486d2c46ef4898471907b2c40e9a0a5910392cc49f57920b3