[INFO] fetching crate second-stack 0.3.5...
[INFO] testing second-stack-0.3.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate second-stack 0.3.5 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate second-stack 0.3.5
[INFO] finished tweaking crates.io crate second-stack 0.3.5
[INFO] tweaked toml for crates.io crate second-stack 0.3.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate second-stack 0.3.5 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77b550931364d62fdff1895b0188001093001a92e91a3f3306876e99417f6375
[INFO] running `Command { std: "docker" "start" "-a" "77b550931364d62fdff1895b0188001093001a92e91a3f3306876e99417f6375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77b550931364d62fdff1895b0188001093001a92e91a3f3306876e99417f6375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b550931364d62fdff1895b0188001093001a92e91a3f3306876e99417f6375", kill_on_drop: false }`
[INFO] [stdout] 77b550931364d62fdff1895b0188001093001a92e91a3f3306876e99417f6375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470978edb3a3b31683f12c5567143563553920ac26ec7595aa6efc13af9e0bba
[INFO] running `Command { std: "docker" "start" "-a" "470978edb3a3b31683f12c5567143563553920ac26ec7595aa6efc13af9e0bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling second-stack v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "470978edb3a3b31683f12c5567143563553920ac26ec7595aa6efc13af9e0bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470978edb3a3b31683f12c5567143563553920ac26ec7595aa6efc13af9e0bba", kill_on_drop: false }`
[INFO] [stdout] 470978edb3a3b31683f12c5567143563553920ac26ec7595aa6efc13af9e0bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dd37283292b41d5230061c59c5c13fd40bb9cebb9c0fc9f2d3889043a3f578f
[INFO] running `Command { std: "docker" "start" "-a" "7dd37283292b41d5230061c59c5c13fd40bb9cebb9c0fc9f2d3889043a3f578f", kill_on_drop: false }`
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling second-stack v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "7dd37283292b41d5230061c59c5c13fd40bb9cebb9c0fc9f2d3889043a3f578f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd37283292b41d5230061c59c5c13fd40bb9cebb9c0fc9f2d3889043a3f578f", kill_on_drop: false }`
[INFO] [stdout] 7dd37283292b41d5230061c59c5c13fd40bb9cebb9c0fc9f2d3889043a3f578f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34fa01d1ea53a4e956df0ee429a3a7cc55eb91bbf9ce2ea1332c42de392c4e3a
[INFO] running `Command { std: "docker" "start" "-a" "34fa01d1ea53a4e956df0ee429a3a7cc55eb91bbf9ce2ea1332c42de392c4e3a", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |             let mut current = &mut *self.location.get();
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `second-stack` (lib) generated 1 warning (run `cargo fix --lib -p second-stack` to apply 1 suggestion)
[INFO] [stderr] warning: `second-stack` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/second_stack-b0ddd3c731f8d7cc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-f1d602dc5e07e10f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] [tests/integration.rs:45:5] &cfg = Cfg {
[INFO] [stdout]     threads: 32,
[INFO] [stdout]     inner_loops: 3,
[INFO] [stdout]     outer_loops: 100,
[INFO] [stdout]     recursion: 8,
[INFO] [stdout] }
[INFO] [stderr] 
[INFO] [stderr] thread '<unnamed>' (46) panicked at src/lib.rs:188:26:
[INFO] [stderr] unsafe precondition(s) violated: slice::from_raw_parts_mut requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX`
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5753750edafa - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5753750edafa - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized::<std[e72de78501789eb0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5753750edafa - std[e72de78501789eb0]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x5753750edafa - <<std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x575375101f6a - <core[6aaeda2c7ad07a48]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x575375101f6a - core[6aaeda2c7ad07a48]::fmt::write
[INFO] [stderr]    6:     0x5753750f2ed2 - std[e72de78501789eb0]::io::default_write_fmt::<std[e72de78501789eb0]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5753750f2ed2 - <std[e72de78501789eb0]::sys::stdio::unix::Stderr as std[e72de78501789eb0]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x5753750ccd1f - <std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x5753750ccd1f - std[e72de78501789eb0]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x5753750e6081 - std[e72de78501789eb0]::panicking::default_hook
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x575375049e7c - <alloc[28d2dab30c1dc666]::boxed::Box<dyn for<'a, 'b> core[6aaeda2c7ad07a48]::ops::function::Fn<(&'a std[e72de78501789eb0]::panic::PanicHookInfo<'b>,), Output = ()> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::Fn<(&std[e72de78501789eb0]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   12:     0x575375049e7c - test[4f12b380f1fb68c5]::test_main_with_exit_callback::<test[4f12b380f1fb68c5]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5753750e6272 - <alloc[28d2dab30c1dc666]::boxed::Box<dyn for<'a, 'b> core[6aaeda2c7ad07a48]::ops::function::Fn<(&'a std[e72de78501789eb0]::panic::PanicHookInfo<'b>,), Output = ()> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::Fn<(&std[e72de78501789eb0]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   14:     0x5753750e6272 - std[e72de78501789eb0]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x5753750cce0a - std[e72de78501789eb0]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x5753750c4779 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace::<std[e72de78501789eb0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x5753750cdaed - __rustc[78a4cf188af856fc]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x57537510254d - core[6aaeda2c7ad07a48]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x57537510254d - core[6aaeda2c7ad07a48]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/intrinsics/mod.rs:2447:9
[INFO] [stderr]   20:     0x575375036fb1 - core[6aaeda2c7ad07a48]::slice::raw::from_raw_parts_mut::precondition_check
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x5753750346a9 - core[6aaeda2c7ad07a48]::slice::raw::from_raw_parts_mut::<integration[746bce7e62aad4af]::DropCheck<()>>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x575375011ba7 - <second_stack[fbe6ee6d301464c0]::Stack>::buffer::<integration[746bce7e62aad4af]::DropCheck<()>, integration[746bce7e62aad4af]::check_iter<()>::{closure#0}, (), integration[746bce7e62aad4af]::RandIterator<()>>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:188:26
[INFO] [stderr]   23:     0x575375018c9c - integration[746bce7e62aad4af]::check_iter::<()>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:249:15
[INFO] [stderr]   24:     0x57537501b8d3 - integration[746bce7e62aad4af]::check_rand_method::<()>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:168:14
[INFO] [stderr]   25:     0x575375020184 - integration[746bce7e62aad4af]::check_rand_type
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:190:15
[INFO] [stderr]   26:     0x57537501fd2e - integration[746bce7e62aad4af]::recurse::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:207:13
[INFO] [stderr]   27:     0x575375020271 - integration[746bce7e62aad4af]::recurse
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   28:     0x57537501f480 - integration[746bce7e62aad4af]::check_slice::<u16>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:140:9
[INFO] [stderr]   29:     0x57537503d7e1 - <integration[746bce7e62aad4af]::check_slice<u16>::{closure#0} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<(&mut [core[6aaeda2c7ad07a48]::mem::maybe_uninit::MaybeUninit<u16>],)>>::call_once
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   30:     0x57537500bcc3 - <second_stack[fbe6ee6d301464c0]::Stack>::uninit_slice::<u16, integration[746bce7e62aad4af]::check_slice<u16>::{closure#0}, ()>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:86:9
[INFO] [stderr]   31:     0x5753750126df - second_stack[fbe6ee6d301464c0]::uninit_slice::<u16, integration[746bce7e62aad4af]::check_slice<u16>::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:199:37
[INFO] [stderr]   32:     0x57537502d466 - <std[e72de78501789eb0]::thread::local::LocalKey<second_stack[fbe6ee6d301464c0]::Stack>>::try_with::<second_stack[fbe6ee6d301464c0]::uninit_slice<u16, integration[746bce7e62aad4af]::check_slice<u16>::{closure#0}, ()>::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/local.rs:462:12
[INFO] [stderr]   33:     0x57537502c0ee - <std[e72de78501789eb0]::thread::local::LocalKey<second_stack[fbe6ee6d301464c0]::Stack>>::with::<second_stack[fbe6ee6d301464c0]::uninit_slice<u16, integration[746bce7e62aad4af]::check_slice<u16>::{closure#0}, ()>::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/local.rs:426:20
[INFO] [stderr]   34:     0x5753750069bb - second_stack[fbe6ee6d301464c0]::uninit_slice::<u16, integration[746bce7e62aad4af]::check_slice<u16>::{closure#0}, ()>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:199:18
[INFO] [stderr]   35:     0x575375019fbd - integration[746bce7e62aad4af]::check_slice::<u16>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:150:9
[INFO] [stderr]   36:     0x57537501b7d3 - integration[746bce7e62aad4af]::check_rand_method::<u16>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:167:14
[INFO] [stderr]   37:     0x5753750200cb - integration[746bce7e62aad4af]::check_rand_type
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:179:14
[INFO] [stderr]   38:     0x57537501fcc6 - integration[746bce7e62aad4af]::recurse::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:204:13
[INFO] [stderr]   39:     0x575375020271 - integration[746bce7e62aad4af]::recurse
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   40:     0x57537501de4e - integration[746bce7e62aad4af]::check_slice::<(u32, u32)>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:140:9
[INFO] [stderr]   41:     0x57537503d541 - <integration[746bce7e62aad4af]::check_slice<(u32, u32)>::{closure#0} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<(&mut [core[6aaeda2c7ad07a48]::mem::maybe_uninit::MaybeUninit<(u32, u32)>],)>>::call_once
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   42:     0x57537500a6d3 - <second_stack[fbe6ee6d301464c0]::Stack>::uninit_slice::<(u32, u32), integration[746bce7e62aad4af]::check_slice<(u32, u32)>::{closure#0}, ()>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:86:9
[INFO] [stderr]   43:     0x575375019513 - integration[746bce7e62aad4af]::check_slice::<(u32, u32)>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:152:15
[INFO] [stderr]   44:     0x57537501b143 - integration[746bce7e62aad4af]::check_rand_method::<(u32, u32)>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:167:14
[INFO] [stderr]   45:     0x575375020174 - integration[746bce7e62aad4af]::check_rand_type
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:189:15
[INFO] [stderr]   46:     0x57537501fd2e - integration[746bce7e62aad4af]::recurse::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:207:13
[INFO] [stderr]   47:     0x575375020271 - integration[746bce7e62aad4af]::recurse
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   48:     0x575375022b0e - <integration[746bce7e62aad4af]::RandIterator<(u16, u16)> as core[6aaeda2c7ad07a48]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:293:13
[INFO] [stderr]   49:     0x57537500fd93 - <second_stack[fbe6ee6d301464c0]::Stack>::buffer::<integration[746bce7e62aad4af]::DropCheck<(u16, u16)>, integration[746bce7e62aad4af]::check_iter<(u16, u16)>::{closure#0}, (), integration[746bce7e62aad4af]::RandIterator<(u16, u16)>>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:155:25
[INFO] [stderr]   50:     0x575375012b21 - second_stack[fbe6ee6d301464c0]::buffer::<integration[746bce7e62aad4af]::DropCheck<(u16, u16)>, integration[746bce7e62aad4af]::check_iter<(u16, u16)>::{closure#0}, (), integration[746bce7e62aad4af]::RandIterator<(u16, u16)>>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:217:37
[INFO] [stderr]   51:     0x57537502dfa3 - <std[e72de78501789eb0]::thread::local::LocalKey<second_stack[fbe6ee6d301464c0]::Stack>>::try_with::<second_stack[fbe6ee6d301464c0]::buffer<integration[746bce7e62aad4af]::DropCheck<(u16, u16)>, integration[746bce7e62aad4af]::check_iter<(u16, u16)>::{closure#0}, (), integration[746bce7e62aad4af]::RandIterator<(u16, u16)>>::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/local.rs:462:12
[INFO] [stderr]   52:     0x57537502c36e - <std[e72de78501789eb0]::thread::local::LocalKey<second_stack[fbe6ee6d301464c0]::Stack>>::with::<second_stack[fbe6ee6d301464c0]::buffer<integration[746bce7e62aad4af]::DropCheck<(u16, u16)>, integration[746bce7e62aad4af]::check_iter<(u16, u16)>::{closure#0}, (), integration[746bce7e62aad4af]::RandIterator<(u16, u16)>>::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/local.rs:426:20
[INFO] [stderr]   53:     0x575375006d4d - second_stack[fbe6ee6d301464c0]::buffer::<integration[746bce7e62aad4af]::DropCheck<(u16, u16)>, integration[746bce7e62aad4af]::check_iter<(u16, u16)>::{closure#0}, (), integration[746bce7e62aad4af]::RandIterator<(u16, u16)>>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:217:18
[INFO] [stderr]   54:     0x575375017dc3 - integration[746bce7e62aad4af]::check_iter::<(u16, u16)>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:247:9
[INFO] [stderr]   55:     0x57537501b513 - integration[746bce7e62aad4af]::check_rand_method::<(u16, u16)>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:168:14
[INFO] [stderr]   56:     0x575375020134 - integration[746bce7e62aad4af]::check_rand_type
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:185:14
[INFO] [stderr]   57:     0x57537501fd2e - integration[746bce7e62aad4af]::recurse::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:207:13
[INFO] [stderr]   58:     0x575375020271 - integration[746bce7e62aad4af]::recurse
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   59:     0x575375020e48 - <integration[746bce7e62aad4af]::DropCheck<(u16, u32)> as core[6aaeda2c7ad07a48]::ops::drop::Drop>::drop
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:266:13
[INFO] [stderr]   60:     0x575375037fc3 - core[6aaeda2c7ad07a48]::ptr::drop_in_place::<integration[746bce7e62aad4af]::DropCheck<(u16, u32)>>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ptr/mod.rs:809:1
[INFO] [stderr]   61:     0x5753750159d2 - <*mut integration[746bce7e62aad4af]::DropCheck<(u16, u32)>>::drop_in_place
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ptr/mut_ptr.rs:1400:18
[INFO] [stderr]   62:     0x5753750159d2 - <<second_stack[fbe6ee6d301464c0]::Stack>::buffer::Writer<integration[746bce7e62aad4af]::DropCheck<(u16, u32)>> as core[6aaeda2c7ad07a48]::ops::drop::Drop>::drop
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:141:42
[INFO] [stderr]   63:     0x575375039763 - core[6aaeda2c7ad07a48]::ptr::drop_in_place::<<second_stack[fbe6ee6d301464c0]::Stack>::buffer::Writer<integration[746bce7e62aad4af]::DropCheck<(u16, u32)>>>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ptr/mod.rs:809:1
[INFO] [stderr]   64:     0x57537500f73c - <second_stack[fbe6ee6d301464c0]::Stack>::buffer::<integration[746bce7e62aad4af]::DropCheck<(u16, u32)>, integration[746bce7e62aad4af]::check_iter<(u16, u32)>::{closure#0}, (), integration[746bce7e62aad4af]::RandIterator<(u16, u32)>>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:190:9
[INFO] [stderr]   65:     0x57537501798c - integration[746bce7e62aad4af]::check_iter::<(u16, u32)>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:249:15
[INFO] [stderr]   66:     0x57537501b423 - integration[746bce7e62aad4af]::check_rand_method::<(u16, u32)>
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:168:14
[INFO] [stderr]   67:     0x575375020144 - integration[746bce7e62aad4af]::check_rand_type
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:186:14
[INFO] [stderr]   68:     0x57537501fd2e - integration[746bce7e62aad4af]::recurse::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:207:13
[INFO] [stderr]   69:     0x575375020271 - integration[746bce7e62aad4af]::recurse
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   70:     0x57537501fbea - integration[746bce7e62aad4af]::soak::{closure#0}::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:58:25
[INFO] [stderr]   71:     0x575375034f32 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace::<integration[746bce7e62aad4af]::soak::{closure#0}::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   72:     0x57537503c94a - std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked::<integration[746bce7e62aad4af]::soak::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr]   73:     0x575375037be0 - <core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<integration[746bce7e62aad4af]::soak::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   74:     0x575375034f76 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<integration[746bce7e62aad4af]::soak::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stderr]   75:     0x57537503dedb - __rust_try
[INFO] [stderr]   76:     0x57537503c16d - std[e72de78501789eb0]::panicking::catch_unwind::<(), core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<integration[746bce7e62aad4af]::soak::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stderr]   77:     0x57537503c16d - std[e72de78501789eb0]::panic::catch_unwind::<core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe<std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<integration[746bce7e62aad4af]::soak::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stderr]   78:     0x57537503c16d - std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked::<integration[746bce7e62aad4af]::soak::{closure#0}::{closure#0}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]   79:     0x57537503cc7e - <std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked<integration[746bce7e62aad4af]::soak::{closure#0}::{closure#0}, ()>::{closure#1} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   80:     0x5753750ed40f - <alloc[28d2dab30c1dc666]::boxed::Box<dyn core[6aaeda2c7ad07a48]::ops::function::FnOnce<(), Output = ()> + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2240:9
[INFO] [stderr]   81:     0x5753750ed40f - <std[e72de78501789eb0]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stderr]   82:     0x7c18cfdbeaa4 - <unknown>
[INFO] [stderr]   83:     0x7c18cfe4ba64 - clone
[INFO] [stderr]   84:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--test integration`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/integration-f1d602dc5e07e10f` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "34fa01d1ea53a4e956df0ee429a3a7cc55eb91bbf9ce2ea1332c42de392c4e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fa01d1ea53a4e956df0ee429a3a7cc55eb91bbf9ce2ea1332c42de392c4e3a", kill_on_drop: false }`
[INFO] [stdout] 34fa01d1ea53a4e956df0ee429a3a7cc55eb91bbf9ce2ea1332c42de392c4e3a