[INFO] cloning repository https://github.com/perlindgren/array_list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/perlindgren/array_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlindgren%2Farray_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlindgren%2Farray_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 968b3d2e58566fdad8e28f94f8565f2495200922
[INFO] testing perlindgren/array_list against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlindgren%2Farray_list" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/perlindgren/array_list 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 git repo https://github.com/perlindgren/array_list
[INFO] finished tweaking git repo https://github.com/perlindgren/array_list
[INFO] tweaked toml for git repo https://github.com/perlindgren/array_list written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/perlindgren/array_list 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac0e497fb98df3a0d0616d5391ebe49723f464d01e1373185d2d5e7d0d34a0ed
[INFO] running `Command { std: "docker" "start" "-a" "ac0e497fb98df3a0d0616d5391ebe49723f464d01e1373185d2d5e7d0d34a0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0e497fb98df3a0d0616d5391ebe49723f464d01e1373185d2d5e7d0d34a0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0e497fb98df3a0d0616d5391ebe49723f464d01e1373185d2d5e7d0d34a0ed", kill_on_drop: false }`
[INFO] [stdout] ac0e497fb98df3a0d0616d5391ebe49723f464d01e1373185d2d5e7d0d34a0ed
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a8ce392ce3ced10c1b9c5a5f29c83d31bde8f024cdf84060ebf82da6d2f826b2
[INFO] running `Command { std: "docker" "start" "-a" "a8ce392ce3ced10c1b9c5a5f29c83d31bde8f024cdf84060ebf82da6d2f826b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]   --> src/main.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn free(&mut self, i: u8) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/main.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn push(&mut self, v: T) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/main.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn pop(&mut self) -> T {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         write!(f, "List :");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             write!(f, "{:?}, ", self.nodes[i as usize].data);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "a8ce392ce3ced10c1b9c5a5f29c83d31bde8f024cdf84060ebf82da6d2f826b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ce392ce3ced10c1b9c5a5f29c83d31bde8f024cdf84060ebf82da6d2f826b2", kill_on_drop: false }`
[INFO] [stdout] a8ce392ce3ced10c1b9c5a5f29c83d31bde8f024cdf84060ebf82da6d2f826b2
[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] e26ba0bff604f61579061758bc5939d32c6cea436b3fe40f93ca76479bdad0cd
[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" "e26ba0bff604f61579061758bc5939d32c6cea436b3fe40f93ca76479bdad0cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]   --> src/main.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn free(&mut self, i: u8) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/main.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn push(&mut self, v: T) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/main.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn pop(&mut self) -> T {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'assertion failed: promoted.is_none()', compiler/rustc_mir/src/transform/check_consts/qualifs.rs:248:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7fc680d92410 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x7fc680d92410 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7fc680d92410 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x7fc680d92410 - <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:     0x7fc680e005cc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x7fc680d84072 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x7fc680d9718d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x7fc680d9718d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x7fc680d9718d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x7fc680d96e38 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         write!(f, "List :");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   10:     0x7fc6816200b4 - rustc_driver::report_ice::h5b9fb8474972c25e
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             write!(f, "{:?}, ", self.nodes[i as usize].data);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   11:     0x7fc680d979d6 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:581
[INFO] [stderr]   12:     0x7fc682e9bea4 - std::panicking::begin_panic::{{closure}}::ha88863f9074c98bc
[INFO] [stderr]   13:     0x7fc682e9bdfc - std::sys_common::backtrace::__rust_end_short_backtrace::hda197c5455c3cad5
[INFO] [stderr]   14:     0x7fc682f0fbfc - std::panicking::begin_panic::h41d5a0bd7abd23ad
[INFO] [stderr]   15:     0x7fc682b203ea - rustc_mir::transform::check_consts::qualifs::in_operand::h74801bbc4f7573e5
[INFO] [stderr]   16:     0x7fc682cb16b9 - rustc_mir::transform::promote_consts::Validator::qualif_local::h790b9da30cf041be
[INFO] [stderr]   17:     0x7fc682cb283c - rustc_mir::transform::promote_consts::Validator::validate_local::h2857f163b77ea63e
[INFO] [stderr]   18:     0x7fc682cb2823 - rustc_mir::transform::promote_consts::Validator::validate_local::h2857f163b77ea63e
[INFO] [stderr]   19:     0x7fc682cb2474 - rustc_mir::transform::promote_consts::Validator::validate_local::h2857f163b77ea63e
[INFO] [stderr]   20:     0x7fc682cb78b5 - rustc_mir::transform::promote_consts::should_suggest_const_in_array_repeat_expressions_attribute::h01a06ade48ea0ff7
[INFO] [stderr]   21:     0x7fc682a983cb - rustc_mir::borrow_check::type_check::TypeChecker::check_rvalue::hb2a321fcf6718269
[INFO] [stderr]   22:     0x7fc682a9bf53 - rustc_mir::borrow_check::type_check::TypeChecker::typeck_mir::h9fc6e3d8582e0e05
[INFO] [stderr]   23:     0x7fc682a8ee1d - rustc_mir::borrow_check::type_check::type_check::h2bf00d78ec6338e9
[INFO] [stderr]   24:     0x7fc682d2a1a7 - rustc_mir::borrow_check::nll::compute_regions::h2efba4be43e16e62
[INFO] [stderr]   25:     0x7fc682ef31f4 - rustc_mir::borrow_check::do_mir_borrowck::h622799f45ef37df2
[INFO] [stderr]   26:     0x7fc682972531 - rustc_infer::infer::InferCtxtBuilder::enter::h18a314578a90a889
[INFO] [stderr]   27:     0x7fc682ef244f - rustc_mir::borrow_check::mir_borrowck::h2db5be00ecbcfee2
[INFO] [stderr]   28:     0x7fc682e9cc85 - core::ops::function::FnOnce::call_once::h1711866d7f5ce9fd
[INFO] [stderr]   29:     0x7fc681888a55 - rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::mir_borrowck>::compute::h0adaf8d8777fed0d
[INFO] [stderr]   30:     0x7fc68181afe7 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h3578e070773002be
[INFO] [stderr]   31:     0x7fc68188b021 - rustc_data_structures::stack::ensure_sufficient_stack::h99a1f9572ae9d05a
[INFO] [stderr]   32:     0x7fc681811b33 - rustc_query_system::query::plumbing::get_query_impl::hefb3b83f78123a75
[INFO] [stderr]   33:     0x7fc6818137c9 - rustc_query_system::query::plumbing::ensure_query_impl::h3a8bc3754a47335a
[INFO] [stderr]   34:     0x7fc681867109 - rustc_session::utils::<impl rustc_session::session::Session>::time::h6a2b8c7fc7b3dbff
[INFO] [stderr]   35:     0x7fc6818ad8db - rustc_interface::passes::analysis::h42cb8a299fcacd38
[INFO] [stderr]   36:     0x7fc68169bae2 - rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::analysis>::compute::hb65b85e12b55f528
[INFO] [stderr]   37:     0x7fc6816612d7 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h9bf8d79b3c567c34
[INFO] [stderr]   38:     0x7fc681670da0 - rustc_data_structures::stack::ensure_sufficient_stack::h8bb7429a04f474d0
[INFO] [stderr]   39:     0x7fc681606d73 - rustc_query_system::query::plumbing::get_query_impl::h95a4e9ff7ab813c1
[INFO] [stderr]   40:     0x7fc68169c6ef - rustc_interface::passes::QueryContext::enter::hd3f560a4dbbbbec3
[INFO] [stderr]   41:     0x7fc68166e89c - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::had791f63f727c367
[INFO] [stderr]   42:     0x7fc681643a67 - rustc_span::with_source_map::h755817392b17a216
[INFO] [stderr]   43:     0x7fc68166aac1 - scoped_tls::ScopedKey<T>::set::he59500e39ec4abad
[INFO] [stderr]   44:     0x7fc681671e21 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd47de080afaa24c1
[INFO] [stderr]   45:     0x7fc6815ecf4e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd9b6798a9391b23c
[INFO] [stderr]   46:     0x7fc680da670a - <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]   47:     0x7fc680da670a - <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]   48:     0x7fc680da670a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   49:     0x7fc680cc2609 - start_thread
[INFO] [stderr]   50:     0x7fc680be3103 - clone
[INFO] [stderr]   51:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.48.0-beta.2 (212e76c31 2020-10-08) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type bin
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] #0 [mir_borrowck] borrow-checking `A`
[INFO] [stderr] #1 [analysis] running analysis passes on this crate
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not compile `array_list`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e26ba0bff604f61579061758bc5939d32c6cea436b3fe40f93ca76479bdad0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26ba0bff604f61579061758bc5939d32c6cea436b3fe40f93ca76479bdad0cd", kill_on_drop: false }`
[INFO] [stdout] e26ba0bff604f61579061758bc5939d32c6cea436b3fe40f93ca76479bdad0cd
