[INFO] fetching crate shack 0.1.1... [INFO] testing shack-0.1.1 against beta-2020-10-09 for beta-1.48-1 [INFO] extracting crate shack 0.1.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate shack 0.1.1 on toolchain beta-2020-10-09 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate shack 0.1.1 [INFO] finished tweaking crates.io crate shack 0.1.1 [INFO] tweaked toml for crates.io crate shack 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ole32-sys v0.2.0 [INFO] [stderr] Downloaded app_dirs v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e24325afff6b9837eaf494907ebd9416b5d75a5e75fb678d024bef46099f8447 [INFO] running `Command { std: "docker" "start" "-a" "e24325afff6b9837eaf494907ebd9416b5d75a5e75fb678d024bef46099f8447", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e24325afff6b9837eaf494907ebd9416b5d75a5e75fb678d024bef46099f8447", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e24325afff6b9837eaf494907ebd9416b5d75a5e75fb678d024bef46099f8447", kill_on_drop: false }` [INFO] [stdout] e24325afff6b9837eaf494907ebd9416b5d75a5e75fb678d024bef46099f8447 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7252539a59e42ae570f202f6f20f4e66542aa3c65632cfca52f829ee307a6f2c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7252539a59e42ae570f202f6f20f4e66542aa3c65632cfca52f829ee307a6f2c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling xdg v2.2.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling app_dirs v1.2.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling shack v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.11s [INFO] running `Command { std: "docker" "inspect" "7252539a59e42ae570f202f6f20f4e66542aa3c65632cfca52f829ee307a6f2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7252539a59e42ae570f202f6f20f4e66542aa3c65632cfca52f829ee307a6f2c", kill_on_drop: false }` [INFO] [stdout] 7252539a59e42ae570f202f6f20f4e66542aa3c65632cfca52f829ee307a6f2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26d3ce520ea6ef1048e7ae406105f5fab087029417b8ebf9be068a62ab0fd4a3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "26d3ce520ea6ef1048e7ae406105f5fab087029417b8ebf9be068a62ab0fd4a3", kill_on_drop: false }` [INFO] [stderr] Compiling shack v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.43s [INFO] running `Command { std: "docker" "inspect" "26d3ce520ea6ef1048e7ae406105f5fab087029417b8ebf9be068a62ab0fd4a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26d3ce520ea6ef1048e7ae406105f5fab087029417b8ebf9be068a62ab0fd4a3", kill_on_drop: false }` [INFO] [stdout] 26d3ce520ea6ef1048e7ae406105f5fab087029417b8ebf9be068a62ab0fd4a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d2d3bd086822b7520352e34bdc83b4f689e105c130d287c3b463ffc5417ac8fe [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d2d3bd086822b7520352e34bdc83b4f689e105c130d287c3b463ffc5417ac8fe", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/shack-c1b70a0c47f01e8b [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test database::test_print_all_values ... ok [INFO] [stdout] test database::test_save ... ok [INFO] [stderr] error: test failed, to rerun pass '--bin shack' [INFO] [stdout] test database::delete_test ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- database::delete_test stdout ---- [INFO] [stdout] thread 'database::delete_test' panicked at 'called `Result::unwrap()` on an `Err` value: Error("EOF while parsing a value", line: 1, column: 0)', src/database.rs:43:58 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f5cd3e68b0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stdout] 1: 0x55f5cd3e68b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55f5cd3e68b0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79 [INFO] [stdout] 3: 0x55f5cd3e68b0 - ::fmt::h1e0bdbb35e83deca [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58 [INFO] [stdout] 4: 0x55f5cd408dac - core::fmt::write::he67f9b17bcb7ee73 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080 [INFO] [stdout] 5: 0x55f5cd3667e6 - std::io::Write::write_fmt::h68b2e5fe4c78e61a [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516 [INFO] [stdout] 6: 0x55f5cd3e0f5d - std::io::impls::>::write_fmt::he9ebec865e28165c [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179 [INFO] [stdout] 7: 0x55f5cd3e8dcd - std::sys_common::backtrace::_print::haa20918e28a126c5 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61 [INFO] [stdout] 8: 0x55f5cd3e8dcd - std::sys_common::backtrace::print::h49e772a4873d9076 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48 [INFO] [stdout] 9: 0x55f5cd3e8dcd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208 [INFO] [stdout] 10: 0x55f5cd3e8a22 - std::panicking::default_hook::h63997b7b949e1ce0 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224 [INFO] [stdout] 11: 0x55f5cd3e94b1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577 [INFO] [stdout] 12: 0x55f5cd3e9059 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484 [INFO] [stdout] 13: 0x55f5cd3e6d3c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153 [INFO] [stdout] 14: 0x55f5cd3e9019 - rust_begin_unwind [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483 [INFO] [stdout] 15: 0x55f5cd407681 - core::panicking::panic_fmt::h5b17d4a0e853d0f5 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85 [INFO] [stdout] 16: 0x55f5cd4074a3 - core::option::expect_none_failed::hd08bf36cae411fff [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234 [INFO] [stdout] 17: 0x55f5cd35cad7 - core::result::Result::unwrap::h7664892af8998835 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/result.rs:973 [INFO] [stdout] 18: 0x55f5cd3581e6 - shack::database::delete_value::h3333afda60314e73 [INFO] [stdout] at /opt/rustwide/workdir/src/database.rs:43 [INFO] [stdout] 19: 0x55f5cd35b4b1 - shack::database::delete_test::h45fe6766b29262ed [INFO] [stdout] at /opt/rustwide/workdir/src/database.rs:55 [INFO] [stdout] 20: 0x55f5cd35b46a - shack::database::delete_test::{{closure}}::hdda484516837e10b [INFO] [stdout] at /opt/rustwide/workdir/src/database.rs:53 [INFO] [stdout] 21: 0x55f5cd35d2ce - core::ops::function::FnOnce::call_once::ha0c15ba97027cf41 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227 [INFO] [stdout] 22: 0x55f5cd38d5d3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227 [INFO] [stdout] 23: 0x55f5cd38d5d3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516 [INFO] [stdout] 24: 0x55f5cd38bad8 - as core::ops::function::FnOnce>::call_once::h01fd09163cae2442 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stdout] 25: 0x55f5cd38bad8 - as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308 [INFO] [stdout] 26: 0x55f5cd38bad8 - std::panicking::try::do_call::h564a32f132f2c264 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381 [INFO] [stdout] 27: 0x55f5cd38bad8 - std::panicking::try::h477cfd4b06a2e64a [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345 [INFO] [stdout] 28: 0x55f5cd38bad8 - std::panic::catch_unwind::hdb5abc6d008c399d [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382 [INFO] [stdout] 29: 0x55f5cd38bad8 - test::run_test_in_process::he8ff7dec91b275be [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543 [INFO] [stdout] 30: 0x55f5cd38bad8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449 [INFO] [stdout] 31: 0x55f5cd365b66 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137 [INFO] [stdout] 32: 0x55f5cd36acd5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464 [INFO] [stdout] 33: 0x55f5cd36acd5 - as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308 [INFO] [stdout] 34: 0x55f5cd36acd5 - std::panicking::try::do_call::h6cd25078f4a5ea13 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381 [INFO] [stdout] 35: 0x55f5cd36acd5 - std::panicking::try::h84b1d49961301705 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345 [INFO] [stdout] 36: 0x55f5cd36acd5 - std::panic::catch_unwind::h6145324593b3654b [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382 [INFO] [stdout] 37: 0x55f5cd36acd5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463 [INFO] [stdout] 38: 0x55f5cd36acd5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227 [INFO] [stdout] 39: 0x55f5cd3ef70a - as core::ops::function::FnOnce>::call_once::hd4d30e37db281e8f [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stdout] 40: 0x55f5cd3ef70a - as core::ops::function::FnOnce>::call_once::h019185a215ba16e4 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stdout] 41: 0x55f5cd3ef70a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87 [INFO] [stdout] 42: 0x7f03f1a83609 - start_thread [INFO] [stdout] 43: 0x7f03f1d0e103 - clone [INFO] [stdout] 44: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] database::delete_test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d2d3bd086822b7520352e34bdc83b4f689e105c130d287c3b463ffc5417ac8fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2d3bd086822b7520352e34bdc83b4f689e105c130d287c3b463ffc5417ac8fe", kill_on_drop: false }` [INFO] [stdout] d2d3bd086822b7520352e34bdc83b4f689e105c130d287c3b463ffc5417ac8fe