[INFO] fetching crate mtpng 0.3.4...
[INFO] testing mtpng-0.3.4 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate mtpng 0.3.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mtpng 0.3.4 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 mtpng 0.3.4
[INFO] finished tweaking crates.io crate mtpng 0.3.4
[INFO] tweaked toml for crates.io crate mtpng 0.3.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mtpng 0.3.4 already has a lockfile, it will not be regenerated
[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 strsim v0.7.0
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded cc v1.0.31
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded vcpkg v0.2.6
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded num_cpus v1.10.0
[INFO] [stderr]   Downloaded rayon v1.1.0
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] [stderr]   Downloaded rayon-core v1.5.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.51
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 85883652b366f92daedd025a2920633ae3f060c831acdfb73209ffab70196564
[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" "85883652b366f92daedd025a2920633ae3f060c831acdfb73209ffab70196564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85883652b366f92daedd025a2920633ae3f060c831acdfb73209ffab70196564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85883652b366f92daedd025a2920633ae3f060c831acdfb73209ffab70196564", kill_on_drop: false }`
[INFO] [stdout] 85883652b366f92daedd025a2920633ae3f060c831acdfb73209ffab70196564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e0976863b3bfbd1b6c60854d8c7d2b828352aec7e58d3fdd0ad2e52588f28ca5
[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" "e0976863b3bfbd1b6c60854d8c7d2b828352aec7e58d3fdd0ad2e52588f28ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling mtpng v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `libz_sys::z_stream` does not permit zero-initialization
[INFO] [stdout]    --> src/deflate.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 mem::MaybeUninit::zeroed().assume_init()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this code causes undefined behavior when executed
[INFO] [stdout]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libz-sys-1.0.25/src/lib.rs:57:5
[INFO] [stdout]     |
[INFO] [stdout] 57  |     pub zalloc: alloc_func,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "e0976863b3bfbd1b6c60854d8c7d2b828352aec7e58d3fdd0ad2e52588f28ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0976863b3bfbd1b6c60854d8c7d2b828352aec7e58d3fdd0ad2e52588f28ca5", kill_on_drop: false }`
[INFO] [stdout] e0976863b3bfbd1b6c60854d8c7d2b828352aec7e58d3fdd0ad2e52588f28ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 929e3ea797da48191046a3b9782ae41df5703a1550d7de54d98c64e29d2696b6
[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" "929e3ea797da48191046a3b9782ae41df5703a1550d7de54d98c64e29d2696b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtpng v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `libz_sys::z_stream` does not permit zero-initialization
[INFO] [stdout]    --> src/deflate.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 mem::MaybeUninit::zeroed().assume_init()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this code causes undefined behavior when executed
[INFO] [stdout]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libz-sys-1.0.25/src/lib.rs:57:5
[INFO] [stdout]     |
[INFO] [stdout] 57  |     pub zalloc: alloc_func,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `libz_sys::z_stream` does not permit zero-initialization
[INFO] [stdout]    --> src/deflate.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 mem::MaybeUninit::zeroed().assume_init()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this code causes undefined behavior when executed
[INFO] [stdout]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libz-sys-1.0.25/src/lib.rs:57:5
[INFO] [stdout]     |
[INFO] [stdout] 57  |     pub zalloc: alloc_func,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "929e3ea797da48191046a3b9782ae41df5703a1550d7de54d98c64e29d2696b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929e3ea797da48191046a3b9782ae41df5703a1550d7de54d98c64e29d2696b6", kill_on_drop: false }`
[INFO] [stdout] 929e3ea797da48191046a3b9782ae41df5703a1550d7de54d98c64e29d2696b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 699d975377fe11e38ebe0a9ef7e32faa0c1c9295e29437375c1868fdb9d7dddc
[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" "699d975377fe11e38ebe0a9ef7e32faa0c1c9295e29437375c1868fdb9d7dddc", kill_on_drop: false }`
[INFO] [stderr] warning: the type `libz_sys::z_stream` does not permit zero-initialization
[INFO] [stderr]    --> src/deflate.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 mem::MaybeUninit::zeroed().assume_init()
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this code causes undefined behavior when executed
[INFO] [stderr]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: function pointers must be non-null (in this struct field)
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libz-sys-1.0.25/src/lib.rs:57:5
[INFO] [stderr]     |
[INFO] [stderr] 57  |     pub zalloc: alloc_func,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the type `libz_sys::z_stream` does not permit zero-initialization
[INFO] [stderr]    --> src/deflate.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 mem::MaybeUninit::zeroed().assume_init()
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this code causes undefined behavior when executed
[INFO] [stderr]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: function pointers must be non-null (in this struct field)
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libz-sys-1.0.25/src/lib.rs:57:5
[INFO] [stderr]     |
[INFO] [stderr] 57  |     pub zalloc: alloc_func,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mtpng-7ea459f484422ead
[INFO] [stdout] 
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `std::mem::ManuallyDrop<internal::SealedBag>` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stdout] running 9 tests
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test writer::tests::header_works ... ok
[INFO] [stdout] test writer::tests::crc_works ... ok
[INFO] [stdout] test filter::tests::it_works ... ok
[INFO] [stdout] test writer::tests::full_chunk_works ... ok
[INFO] [stdout] test writer::tests::it_works ... ok
[INFO] [stdout] test writer::tests::empty_chunk_works ... ok
[INFO] [stderr]    0:     0x56529832f560 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout] test filter::tests::it_works_16 ... ok
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x56529832f560 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x56529832f560 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x56529832f560 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x565298351c1c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x56529832bae2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x565298331a8d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x565298331a8d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x565298331a8d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x565298331738 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x565298332171 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x565298331d19 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]   12:     0x56529832f9ec - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x565298331cd9 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]   14:     0x5652983504f1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stderr]   15:     0x56529835043d - core::panicking::panic::hc6be4d7009fb30ae
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:50
[INFO] [stderr]   16:     0x5652983084eb - core::mem::uninitialized::h9149e7302c267363
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658
[INFO] [stderr]   17:     0x5652983084eb - crossbeam_epoch::sync::queue::Queue<T>::new::h5704d5686b4063f7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.2/src/sync/queue.rs:50
[INFO] [stderr]   18:     0x565298302104 - crossbeam_epoch::internal::Global::new::h69d406f260b842a9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.2/src/internal.rs:150
[INFO] [stderr]   19:     0x56529830c1bc - crossbeam_epoch::collector::Collector::new::he38b983ae97b8214
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.2/src/collector.rs:33
[INFO] [stderr]   20:     0x56529830578a - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__static_ref_initialize::h3fcbb5abaac1fffd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.2/src/default.rs:12
[INFO] [stderr]   21:     0x56529830578a - core::ops::function::FnOnce::call_once::h90e066959dee6b0f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   22:     0x565298305686 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h9fa1606fc27fe3b5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28
[INFO] [stderr]   23:     0x56529830b6ef - std::sync::once::Once::call_once::{{closure}}::ha0b2e6efbd52fc79
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:261
[INFO] [stderr]   24:     0x56529832ee92 - std::sync::once::Once::call_inner::h33bd609ddf05a465
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:419
[INFO] [stderr]   25:     0x56529830b671 - std::sync::once::Once::call_once::h7fe21d8966a4dfb3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:261
[INFO] [stderr]   26:     0x5652983081f9 - lazy_static::lazy::Lazy<T>::get::haac0a31205eb5523
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stderr]   27:     0x5652983081f9 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__stability::ha46dafcd521f5848
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/lib.rs:138
[INFO] [stderr]   28:     0x5652983081f9 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::hafc46f0e2127464f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/lib.rs:140
[INFO] [stderr]   29:     0x565298308274 - crossbeam_epoch::default::HANDLE::__init::hd75600c9c09936d9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.2/src/default.rs:17
[INFO] [stderr]   30:     0x5652983057f9 - core::ops::function::FnOnce::call_once::hdff30fd62332c84c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   31:     0x56529830dbac - std::thread::local::lazy::LazyKeyInner<T>::initialize::h435e01bf05255a8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:304
[INFO] [stderr]   32:     0x5652983094ad - std::thread::local::fast::Key<T>::try_initialize::haa9a3bd3d5857aec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:473
[INFO] [stderr]   33:     0x5652983095f7 - std::thread::local::fast::Key<T>::get::h357b7e5afda62640
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:456
[INFO] [stderr]   34:     0x5652983082bd - crossbeam_epoch::default::HANDLE::__getit::h3c83d5be7b90ed1a
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:183
[INFO] [stderr]   35:     0x5652982e5a45 - std::thread::local::LocalKey<T>::try_with::h542bdc5278b59f20
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:271
[INFO] [stderr]   36:     0x5652982ed5c3 - crossbeam_epoch::default::with_handle::hfab21ce90f728fdc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.2/src/default.rs:42
[INFO] [stderr]   37:     0x5652982ed82a - crossbeam_epoch::default::is_pinned::hdf086d7ef7cdcb1a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.2/src/default.rs:29
[INFO] [stderr]   38:     0x5652982f9c32 - crossbeam_deque::Stealer<T>::steal::ha49bc3b126980384
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-deque-0.6.3/src/lib.rs:660
[INFO] [stderr]   39:     0x5652982dcbca - rayon_core::registry::WorkerThread::steal::{{closure}}::h8551fd955b177045
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:764
[INFO] [stderr]   40:     0x5652982d9f8b - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h1f09dcd89b22ec50
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:269
[INFO] [stderr]   41:     0x5652982e79d1 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::hee28f5178290e3c7
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/traits/iterator.rs:2261
[INFO] [stderr]   42:     0x5652982eaa25 - core::iter::adapters::filter_try_fold::{{closure}}::h8223e95328c13a93
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/mod.rs:1078
[INFO] [stderr]   43:     0x5652982ea31c - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h78263b104661ac59
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:269
[INFO] [stderr]   44:     0x5652982e2724 - core::iter::traits::iterator::Iterator::try_fold::h89eaa887dde000a5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/traits/iterator.rs:1888
[INFO] [stderr]   45:     0x5652982ed043 - <core::iter::adapters::chain::Chain<A,B> as core::iter::traits::iterator::Iterator>::try_fold::h31b803054e93e962
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/chain.rs:105
[INFO] [stderr]   46:     0x5652982e9c76 - <core::iter::adapters::Filter<I,P> as core::iter::traits::iterator::Iterator>::try_fold::h5da50a9677e9c2a3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/mod.rs:1127
[INFO] [stderr]   47:     0x5652982ea6a1 - core::iter::traits::iterator::Iterator::find_map::h0bc6676b5a913e23
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/traits/iterator.rs:2267
[INFO] [stderr]   48:     0x5652982e9ce6 - <core::iter::adapters::FilterMap<I,F> as core::iter::traits::iterator::Iterator>::next::hc2c2dbd93c6c726f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/mod.rs:1245
[INFO] [stderr]   49:     0x5652982dcaf8 - rayon_core::registry::WorkerThread::steal::hd9c10b4b94f621dd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:758
[INFO] [stderr]   50:     0x5652982dc882 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::h15d4f210c098a4ab
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:714
[INFO] [stderr]   51:     0x5652982f48ef - core::option::Option<T>::or_else::h0d91de15f1b7685f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:752
[INFO] [stderr]   52:     0x5652982dc577 - rayon_core::registry::WorkerThread::wait_until_cold::hb5f1611bf8ef3fc2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:712
[INFO] [stderr]   53:     0x5652982dc48b - rayon_core::registry::WorkerThread::wait_until::h95bb2ab273383997
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:692
[INFO] [stderr]   54:     0x5652982dd114 - rayon_core::registry::main_loop::ha474572f1d596244
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:812
[INFO] [stderr]   55:     0x5652982da2a0 - rayon_core::registry::ThreadBuilder::run::hbd61b140c3a34eeb
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:58
[INFO] [stderr]   56:     0x5652982da821 - <rayon_core::registry::DefaultSpawn as rayon_core::registry::ThreadSpawn>::spawn::{{closure}}::hc0a2967889b65dcf
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:103
[INFO] [stderr]   57:     0x5652982edce5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hf999da1459f2451f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   58:     0x5652982eeae1 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hc0e1a66fe537f3ba
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   59:     0x5652982f1bf1 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::head11921c011af04
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   60:     0x5652982e0de2 - std::panicking::try::do_call::hd0775aa7af505006
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   61:     0x5652982e1ffd - __rust_try
[INFO] [stderr]   62:     0x5652982e0be4 - std::panicking::try::ha51e37e3182727be
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   63:     0x5652982f2073 - std::panic::catch_unwind::h61ca9b63fbb1cc20
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   64:     0x5652982ee8d1 - std::thread::Builder::spawn_unchecked::{{closure}}::h05c5167d33b8626b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   65:     0x5652982e5e8f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h0ec03a6e82e86d47
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   66:     0x56529833857a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   67:     0x56529833857a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   68:     0x56529833857a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   69:     0x7f9be8af5609 - start_thread
[INFO] [stderr]   70:     0x7f9be8d80103 - clone
[INFO] [stderr]   71:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/mtpng-7ea459f484422ead` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "699d975377fe11e38ebe0a9ef7e32faa0c1c9295e29437375c1868fdb9d7dddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699d975377fe11e38ebe0a9ef7e32faa0c1c9295e29437375c1868fdb9d7dddc", kill_on_drop: false }`
[INFO] [stdout] 699d975377fe11e38ebe0a9ef7e32faa0c1c9295e29437375c1868fdb9d7dddc
