[INFO] fetching crate chase 0.1.8... [INFO] building chase-0.1.8 against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate chase 0.1.8 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate chase 0.1.8 on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate chase 0.1.8 [INFO] finished tweaking crates.io crate chase 0.1.8 [INFO] tweaked toml for crates.io crate chase 0.1.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 27 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.23) [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.31) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10085ed6d81278c3d6a331bdb5bff07f64c4b965faabcff9caf5881cb3413db6 [INFO] running `Command { std: "docker" "start" "-a" "10085ed6d81278c3d6a331bdb5bff07f64c4b965faabcff9caf5881cb3413db6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10085ed6d81278c3d6a331bdb5bff07f64c4b965faabcff9caf5881cb3413db6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10085ed6d81278c3d6a331bdb5bff07f64c4b965faabcff9caf5881cb3413db6", kill_on_drop: false }` [INFO] [stdout] 10085ed6d81278c3d6a331bdb5bff07f64c4b965faabcff9caf5881cb3413db6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f35b53bb9482509022bbb7367a8c5e54af85525c1cafc6b7b5942bcc590d3ffe [INFO] running `Command { std: "docker" "start" "-a" "f35b53bb9482509022bbb7367a8c5e54af85525c1cafc6b7b5942bcc590d3ffe", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling chase v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | Custom(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 | Custom(Box), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:47:32 [INFO] [stdout] | [INFO] [stdout] 47 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right_matches`: superseded by `trim_end_matches` [INFO] [stdout] --> src/sync.rs:118:36 [INFO] [stdout] | [INFO] [stdout] 118 | running.buffer.trim_right_matches('\n'), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 118 | running.buffer.trim_end_matches('\n'), [INFO] [stdout] | ~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:39:34 [INFO] [stdout] | [INFO] [stdout] 39 | &IoError(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:40:43 [INFO] [stdout] | [INFO] [stdout] 40 | &ChannelSendError(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:43:33 [INFO] [stdout] | [INFO] [stdout] 43 | &Custom(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:54:33 [INFO] [stdout] | [INFO] [stdout] 54 | &Custom(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "f35b53bb9482509022bbb7367a8c5e54af85525c1cafc6b7b5942bcc590d3ffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f35b53bb9482509022bbb7367a8c5e54af85525c1cafc6b7b5942bcc590d3ffe", kill_on_drop: false }` [INFO] [stdout] f35b53bb9482509022bbb7367a8c5e54af85525c1cafc6b7b5942bcc590d3ffe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf7594c5ad885347ce2d9ef191fd719d62a61b1feaf26a081064246631bfe1a1 [INFO] running `Command { std: "docker" "start" "-a" "bf7594c5ad885347ce2d9ef191fd719d62a61b1feaf26a081064246631bfe1a1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | Custom(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 | Custom(Box), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:47:32 [INFO] [stdout] | [INFO] [stdout] 47 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right_matches`: superseded by `trim_end_matches` [INFO] [stdout] --> src/sync.rs:118:36 [INFO] [stdout] | [INFO] [stdout] 118 | running.buffer.trim_right_matches('\n'), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 118 | running.buffer.trim_end_matches('\n'), [INFO] [stdout] | ~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:39:34 [INFO] [stdout] | [INFO] [stdout] 39 | &IoError(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:40:43 [INFO] [stdout] | [INFO] [stdout] 40 | &ChannelSendError(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:43:33 [INFO] [stdout] | [INFO] [stdout] 43 | &Custom(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:54:33 [INFO] [stdout] | [INFO] [stdout] 54 | &Custom(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stdout] error: internal compiler error: compiler/rustc_mir_build/src/builder/scope.rs:1724:17: cannot unwind from goto -> bb41 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at compiler/rustc_mir_build/src/builder/scope.rs:1724:17: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x72eff9781caa - ::fmt::h636462e57d5ef1e1 [INFO] [stderr] 1: 0x72eff9e13cbc - core::fmt::write::h067060808ac50eb9 [INFO] [stderr] 2: 0x72effad28e11 - std::io::Write::write_fmt::h4674fa2ed7c0dfdd [INFO] [stderr] 3: 0x72eff9781b02 - std::sys::backtrace::BacktraceLock::print::h0c77148acfb0b5e9 [INFO] [stderr] 4: 0x72eff9783ffa - std::panicking::default_hook::{{closure}}::h30daa8e7c6ccb09d [INFO] [stderr] 5: 0x72eff9783e43 - std::panicking::default_hook::h25f21dc0f2064615 [INFO] [stderr] 6: 0x72eff88eff28 - std[b36e883d67eb0403]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x72eff97847b8 - std::panicking::rust_panic_with_hook::hc98438687e833605 [INFO] [stderr] 8: 0x72eff892a341 - std[b36e883d67eb0403]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x72eff891f526 - std[b36e883d67eb0403]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x72eff891f50d - std[b36e883d67eb0403]::panicking::begin_panic:: [INFO] [stderr] 11: 0x72eff89342a1 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x72eff8e84fdc - ::span_bug:: [INFO] [stderr] 13: 0x72eff8f0a897 - rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x72eff8ef006a - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x72eff8eefefb - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x72eff7334437 - rustc_middle[8ad6e8ce52578819]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x72effa7d541b - ::build_unwind_tree [INFO] [stderr] 18: 0x72effa7cd7cd - rustc_mir_build[73684a27b88b946a]::builder::mir_build [INFO] [stderr] 19: 0x72eff9e07714 - rustc_mir_transform[857cd804783fef4d]::mir_built [INFO] [stderr] 20: 0x72eff9e076d7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 21: 0x72effa0953d1 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 22: 0x72effa094f8d - rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 23: 0x72eff6e67185 - rustc_mir_build[73684a27b88b946a]::check_unsafety::check_unsafety [INFO] [stderr] 24: 0x72effa6e98a7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 25: 0x72effa6e9b69 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 26: 0x72effa6e97d1 - rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 27: 0x72effa29bd32 - rustc_interface[b59e7ee7606ca029]::passes::run_required_analyses [INFO] [stderr] 28: 0x72effad2cc9e - rustc_interface[b59e7ee7606ca029]::passes::analysis [INFO] [stderr] 29: 0x72effad2cc6f - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 30: 0x72effad7b355 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 31: 0x72effad7b08e - rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 32: 0x72effad701de - rustc_interface[b59e7ee7606ca029]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 33: 0x72effaddff51 - rustc_interface[b59e7ee7606ca029]::interface::run_compiler::<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 34: 0x72effacf5087 - std[b36e883d67eb0403]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 35: 0x72effacf551c - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[303105738bd0c2ae]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 36: 0x72effacf6aef - std::sys::pal::unix::thread::Thread::new::thread_start::ha554cc4ba6335b05 [INFO] [stderr] 37: 0x72effc3ccac3 - [INFO] [stderr] 38: 0x72effc45da04 - clone [INFO] [stderr] 39: 0x0 - [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: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.4.6/rustc-ice-2025-01-01T03_56_50-49.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.85.0-nightly (9b5e8b16b 2024-12-19) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 [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_built] building MIR for `read::fill` [INFO] [stderr] #1 [check_unsafety] unsafety-checking `read::fill` [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `rand` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/bin/rustc --crate-name rand --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.4.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="libc"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("alloc", "default", "i128_support", "libc", "nightly", "std"))' -C metadata=efcc16336f03420a -C extra-filename=-680d00606c273b74 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-49e6a306c6f29363.rmeta --cap-lints allow --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "bf7594c5ad885347ce2d9ef191fd719d62a61b1feaf26a081064246631bfe1a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf7594c5ad885347ce2d9ef191fd719d62a61b1feaf26a081064246631bfe1a1", kill_on_drop: false }` [INFO] [stdout] bf7594c5ad885347ce2d9ef191fd719d62a61b1feaf26a081064246631bfe1a1