[INFO] fetching crate rayon_logs 0.1.3... [INFO] testing rayon_logs-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate rayon_logs 0.1.3 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate rayon_logs 0.1.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rayon_logs 0.1.3 [INFO] finished tweaking crates.io crate rayon_logs 0.1.3 [INFO] tweaked toml for crates.io crate rayon_logs 0.1.3 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate rayon_logs 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65ac06d523040119a55261530491dead5d36b4ea48048733f20732989bfb893b [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" "65ac06d523040119a55261530491dead5d36b4ea48048733f20732989bfb893b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65ac06d523040119a55261530491dead5d36b4ea48048733f20732989bfb893b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65ac06d523040119a55261530491dead5d36b4ea48048733f20732989bfb893b", kill_on_drop: false }` [INFO] [stdout] 65ac06d523040119a55261530491dead5d36b4ea48048733f20732989bfb893b [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc3002fdee3d2010ea603a8d52eb0863cef934d92dfe7a559b405e236fbb5349 [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" "dc3002fdee3d2010ea603a8d52eb0863cef934d92dfe7a559b405e236fbb5349", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling rayon_logs v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.40s [INFO] running `Command { std: "docker" "inspect" "dc3002fdee3d2010ea603a8d52eb0863cef934d92dfe7a559b405e236fbb5349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc3002fdee3d2010ea603a8d52eb0863cef934d92dfe7a559b405e236fbb5349", kill_on_drop: false }` [INFO] [stdout] dc3002fdee3d2010ea603a8d52eb0863cef934d92dfe7a559b405e236fbb5349 [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f36445b084d8cb88bcf2263049a4bf3429ba71a2c40c4fe3721dcca7a47c4b51 [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" "f36445b084d8cb88bcf2263049a4bf3429ba71a2c40c4fe3721dcca7a47c4b51", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling bstr v0.2.12 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling rayon_logs v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 35.63s [INFO] running `Command { std: "docker" "inspect" "f36445b084d8cb88bcf2263049a4bf3429ba71a2c40c4fe3721dcca7a47c4b51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f36445b084d8cb88bcf2263049a4bf3429ba71a2c40c4fe3721dcca7a47c4b51", kill_on_drop: false }` [INFO] [stdout] f36445b084d8cb88bcf2263049a4bf3429ba71a2c40c4fe3721dcca7a47c4b51 [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cfeb01dc16b144d3313d04ad55c7d11b3f09f506d09db80d7a1cba6c897364cd [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" "cfeb01dc16b144d3313d04ad55c7d11b3f09f506d09db80d7a1cba6c897364cd", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rayon_logs-17392110ea23067d) [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 unittests (/opt/rustwide/target/debug/deps/json2svg-123b22fde9495765) [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] Doc-tests rayon_logs [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test src/scope.rs - scope::Scope::spawn (line 33) ... ok [INFO] [stdout] test src/prelude.rs - prelude::IntoParallelRefIterator::par_iter (line 24) ... ok [INFO] [stdout] test src/prelude.rs - prelude::IntoParallelRefMutIterator::par_iter_mut (line 103) ... ok [INFO] [stdout] test src/prelude.rs - prelude::IntoParallelIterator::into_par_iter (line 58) ... ok [INFO] [stdout] test src/pool.rs - pool::join (line 411) ... ok [INFO] [stdout] test src/prelude.rs - prelude::IntoParallelIterator::into_par_iter (line 68) ... ok [INFO] [stdout] test src/rayon_algorithms/slice/mod.rs - rayon_algorithms::slice::ParallelSliceMut::par_sort_by_key (line 125) ... ok [INFO] [stdout] test src/rayon_algorithms/slice/mod.rs - rayon_algorithms::slice::ParallelSliceMut::par_sort (line 40) ... ok [INFO] [stdout] test src/rayon_algorithms/slice/mod.rs - rayon_algorithms::slice::ParallelSliceMut::par_sort_by (line 80) ... ok [INFO] [stdout] test src/lib.rs - (line 26) ... FAILED [INFO] [stdout] test src/pool.rs - pool::subgraph (line 67) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 26) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'saving json failed: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/workdir/src/pool.rs:567:10 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5650f5a474cc - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5650f5a474cc - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5650f5a474cc - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5650f5a474cc - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5650f5a6292c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x5650f5a44a15 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x5650f5a48e30 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5650f5a48e30 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5650f5a48e30 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x5650f5a489db - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x5650f5a494e4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x5650f5a48fc0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x5650f5a47984 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x5650f5a48f29 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x5650f59bce11 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x5650f59bcea3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x5650f59c696e - core::result::Result::expect::h6125f11e3da1e1c5 [INFO] [stdout] 17: 0x5650f59c22c1 - rayon_logs::pool::ThreadPool::install::h7f8658f66969a5c6 [INFO] [stdout] 18: 0x5650f59cc783 - rust_out::main::_doctest_main_src_lib_rs_26_0::h4f3f3420964b1c22 [INFO] [stdout] 19: 0x5650f59cc696 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x5650f59c51e3 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x5650f59c3519 - std::sys_common::backtrace::__rust_begin_short_backtrace::h14f53ef84fb8b5f7 [INFO] [stdout] 22: 0x5650f59c36a9 - std::rt::lang_start::{{closure}}::h5922618cc8a7ae58 [INFO] [stdout] 23: 0x5650f5a46d11 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x5650f5a46d11 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x5650f5a46d11 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x5650f5a46d11 - std::panic::catch_unwind::hab40227675186980 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x5650f5a46d11 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x5650f5a46d11 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x5650f5a46d11 - std::panicking::try::h32d4e72fd8922bce [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x5650f5a46d11 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x5650f5a46d11 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x5650f59c3691 - std::rt::lang_start::h886614fd12d1e379 [INFO] [stdout] 33: 0x5650f59cc8f3 - main [INFO] [stdout] 34: 0x7f1126b700b3 - __libc_start_main [INFO] [stdout] 35: 0x5650f59bd52e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/pool.rs - pool::subgraph (line 67) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'saving json failed: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/workdir/src/pool.rs:567:10 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x557a6dcb7d7c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x557a6dcb7d7c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x557a6dcb7d7c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x557a6dcb7d7c - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x557a6dcd31dc - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x557a6dcb52c5 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x557a6dcb96e0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x557a6dcb96e0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x557a6dcb96e0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x557a6dcb928b - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x557a6dcb9d94 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x557a6dcb9870 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x557a6dcb8234 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x557a6dcb97d9 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x557a6dc2ee11 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x557a6dc2eea3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x557a6dc3852e - core::result::Result::expect::h6125f11e3da1e1c5 [INFO] [stdout] 17: 0x557a6dc33621 - rayon_logs::pool::ThreadPool::install::h2885d604c785a958 [INFO] [stdout] 18: 0x557a6dc3cc6f - rust_out::main::_doctest_main_src_pool_rs_67_0::h645ff8fd05c73d56 [INFO] [stdout] 19: 0x557a6dc3cb66 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x557a6dc36f83 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x557a6dc352d9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h14f53ef84fb8b5f7 [INFO] [stdout] 22: 0x557a6dc35469 - std::rt::lang_start::{{closure}}::h5922618cc8a7ae58 [INFO] [stdout] 23: 0x557a6dcb75c1 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x557a6dcb75c1 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x557a6dcb75c1 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x557a6dcb75c1 - std::panic::catch_unwind::hab40227675186980 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x557a6dcb75c1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x557a6dcb75c1 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x557a6dcb75c1 - std::panicking::try::h32d4e72fd8922bce [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x557a6dcb75c1 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x557a6dcb75c1 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x557a6dc35451 - std::rt::lang_start::h886614fd12d1e379 [INFO] [stdout] 33: 0x557a6dc3cfc3 - main [INFO] [stdout] 34: 0x7f322cf760b3 - __libc_start_main [INFO] [stdout] 35: 0x557a6dc2f52e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 26) [INFO] [stdout] src/pool.rs - pool::subgraph (line 67) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 9 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.78s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "cfeb01dc16b144d3313d04ad55c7d11b3f09f506d09db80d7a1cba6c897364cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfeb01dc16b144d3313d04ad55c7d11b3f09f506d09db80d7a1cba6c897364cd", kill_on_drop: false }` [INFO] [stdout] cfeb01dc16b144d3313d04ad55c7d11b3f09f506d09db80d7a1cba6c897364cd