[INFO] cloning repository https://github.com/Xiaobin0860/rust_learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xiaobin0860/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust_learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust_learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eadf8da07e65c727989d906e1b7873b0d30682c3 [INFO] checking Xiaobin0860/rust_learning against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust_learning" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xiaobin0860/rust_learning on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Xiaobin0860/rust_learning [INFO] finished tweaking git repo https://github.com/Xiaobin0860/rust_learning [INFO] tweaked toml for git repo https://github.com/Xiaobin0860/rust_learning written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/Xiaobin0860/rust_learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tonic-build v0.5.1 [INFO] [stderr] Downloaded tonic v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b93a657fbad837a8386bc8edef72aedd6e90e08133af27a6d8096d0089d11b1 [INFO] running `Command { std: "docker" "start" "-a" "6b93a657fbad837a8386bc8edef72aedd6e90e08133af27a6d8096d0089d11b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b93a657fbad837a8386bc8edef72aedd6e90e08133af27a6d8096d0089d11b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b93a657fbad837a8386bc8edef72aedd6e90e08133af27a6d8096d0089d11b1", kill_on_drop: false }` [INFO] [stdout] 6b93a657fbad837a8386bc8edef72aedd6e90e08133af27a6d8096d0089d11b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 735e56e31d887b186852de840670bc15d8c417cfdaee43f5b2b92d044ea84bdf [INFO] running `Command { std: "docker" "start" "-a" "735e56e31d887b186852de840670bc15d8c417cfdaee43f5b2b92d044ea84bdf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Checking tower-layer v0.3.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking hello_bin v0.1.0 (/opt/rustwide/workdir/training/hello_bin) [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> training/hello_bin/src/types.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | age: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `gender` [INFO] [stdout] --> training/hello_bin/src/types.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub(crate) gender: Gender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking instant v0.1.9 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> training/hello_bin/src/types.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | age: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `gender` [INFO] [stdout] --> training/hello_bin/src/types.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub(crate) gender: Gender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling tokio v1.11.0 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Compiling rust_learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking dashmap v4.0.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling which v4.1.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking http-body v0.4.2 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Compiling prost-build v0.8.0 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling prost-derive v0.8.0 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> tests/test_macros.rs:55:70 [INFO] [stdout] | [INFO] [stdout] 55 | println!("{:?} = {:?}", stringify!($expression), $expression); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 64 | / print_result!({ [INFO] [stdout] 65 | | let x = 1u32; [INFO] [stdout] 66 | | x * x + 2 * x - 1 [INFO] [stdout] 67 | | }) [INFO] [stdout] | |______- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `print_result` [INFO] [stdout] = note: this warning originates in the macro `print_result` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/test_std_libs.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | x: f64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> tests/test_std_libs.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | y: f64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/test_prints.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | x: i64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> tests/test_prints.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | y: i64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `z` [INFO] [stdout] --> tests/test_prints.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | z: i64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `p1` [INFO] [stdout] --> tests/test_prints.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | p1: Point, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `p2` [INFO] [stdout] --> tests/test_prints.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | p2: Point, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> tests/test_conversion.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | value: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> tests/test_custom_types.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> tests/test_custom_types.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | age: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking tracing-subscriber v0.2.19 [INFO] [stderr] Compiling prost v0.8.0 [INFO] [stderr] Checking prost-types v0.8.0 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stderr] Checking tokio-stream v0.1.7 [INFO] [stderr] Checking tokio-io-timeout v1.1.1 [INFO] [stderr] Checking hello_lib v0.1.0 (/opt/rustwide/workdir/training/hello_lib) [INFO] [stdout] warning: field is never read: `permit` [INFO] [stdout] --> training/hello_lib/src/ticket.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | permit: SemaphorePermit<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures v0.3.15 [INFO] [stdout] warning: field is never read: `permit` [INFO] [stdout] --> training/hello_lib/src/ticket.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | permit: SemaphorePermit<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking h2 v0.3.3 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tower v0.4.8 [INFO] [stderr] Checking prostc v0.1.0 (/opt/rustwide/workdir/training/prostc) [INFO] [stderr] Compiling tonic-build v0.5.1 [INFO] [stderr] Compiling kv v0.1.0 (/opt/rustwide/workdir/training/kv) [INFO] [stderr] Compiling pow v0.1.0 (/opt/rustwide/workdir/training/pow) [INFO] [stderr] Checking hyper v0.14.11 [INFO] [stderr] error: failed to run custom build command for `pow v0.1.0 (/opt/rustwide/workdir/training/pow)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pow-0f9b4e6a5dafefd5/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', training/pow/build.rs:5:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x562144d5475c - std::backtrace_rs::backtrace::libunwind::trace::h2ab374bc2a3b7023 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x562144d5475c - std::backtrace_rs::backtrace::trace_unsynchronized::h128cb5178b04dc46 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x562144d5475c - std::sys_common::backtrace::_print_fmt::h5344f9eefca2041f [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x562144d5475c - ::fmt::h213003bc5c7acf04 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x562144d79e1c - core::fmt::write::h78bf85fc3e93663f [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/core/src/fmt/mod.rs:1126:17 [INFO] [stderr] 5: 0x562144d51ab5 - std::io::Write::write_fmt::he619515c888f21a5 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x562144d56510 - std::sys_common::backtrace::_print::hf706674f77848203 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x562144d56510 - std::sys_common::backtrace::print::hf0b6c7a88804ec56 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x562144d56510 - std::panicking::default_hook::{{closure}}::h2dde766cd83a333a [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x562144d560c7 - std::panicking::default_hook::h501e3b2e134eb149 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x562144d56be9 - std::panicking::rust_panic_with_hook::hc09e869c4cf00885 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:628:17 [INFO] [stderr] 11: 0x562144d566a0 - std::panicking::begin_panic_handler::{{closure}}::hc2c6d70142458fc8 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:521:13 [INFO] [stderr] 12: 0x562144d54c04 - std::sys_common::backtrace::__rust_end_short_backtrace::had58f7c459a1cd6e [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x562144d56609 - rust_begin_unwind [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:517:5 [INFO] [stderr] 14: 0x562144a937e1 - core::panicking::panic_fmt::hf443e5eeb6cc9eab [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/core/src/panicking.rs:103:14 [INFO] [stderr] 15: 0x562144a938d3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/core/src/result.rs:1617:5 [INFO] [stderr] 16: 0x562144acef36 - core::result::Result::unwrap::h017d57ebd052ef7d [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/core/src/result.rs:1299:23 [INFO] [stderr] 17: 0x562144aa6718 - build_script_build::main::he155f18a2d580c91 [INFO] [stderr] at /opt/rustwide/workdir/training/pow/build.rs:2:5 [INFO] [stderr] 18: 0x562144aa365b - core::ops::function::FnOnce::call_once::hdf8992d773924f25 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x562144aa519e - std::sys_common::backtrace::__rust_begin_short_backtrace::hc37e4d4800d48337 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x562144aa3361 - std::rt::lang_start::{{closure}}::h2e7b2c6167927f0f [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/rt.rs:64:18 [INFO] [stderr] 21: 0x562144d571ca - core::ops::function::impls:: for &F>::call_once::hab43eb8ec758341e [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x562144d571ca - std::panicking::try::do_call::hb667fefd650e964d [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:403:40 [INFO] [stderr] 23: 0x562144d571ca - std::panicking::try::hc279775c9409768d [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:367:19 [INFO] [stderr] 24: 0x562144d571ca - std::panic::catch_unwind::hbe8b6ecc84f73073 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x562144d571ca - std::rt::lang_start_internal::{{closure}}::hb04fdaef496a162b [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/rt.rs:46:48 [INFO] [stderr] 26: 0x562144d571ca - std::panicking::try::do_call::habca359de051411d [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:403:40 [INFO] [stderr] 27: 0x562144d571ca - std::panicking::try::h24c556a6948e0937 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:367:19 [INFO] [stderr] 28: 0x562144d571ca - std::panic::catch_unwind::h58075d47f5a308d8 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x562144d571ca - std::rt::lang_start_internal::h3d20dc1537d76758 [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/rt.rs:46:20 [INFO] [stderr] 30: 0x562144aa3330 - std::rt::lang_start::h4cb4717f5ff19c5e [INFO] [stderr] at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/rt.rs:63:17 [INFO] [stderr] 31: 0x562144aa673c - main [INFO] [stderr] 32: 0x7fd9e09e80b3 - __libc_start_main [INFO] [stderr] 33: 0x562144a93fde - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "735e56e31d887b186852de840670bc15d8c417cfdaee43f5b2b92d044ea84bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "735e56e31d887b186852de840670bc15d8c417cfdaee43f5b2b92d044ea84bdf", kill_on_drop: false }` [INFO] [stdout] 735e56e31d887b186852de840670bc15d8c417cfdaee43f5b2b92d044ea84bdf