[INFO] updating cached repository https://github.com/wagnerf42/rayon-logs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 67f8ddb7b7e620862000deae4b280d535eed33ac [INFO] testing wagnerf42/rayon-logs against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Frayon-logs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wagnerf42/rayon-logs on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wagnerf42/rayon-logs [INFO] finished tweaking git repo https://github.com/wagnerf42/rayon-logs [INFO] tweaked toml for git repo https://github.com/wagnerf42/rayon-logs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cfef9f6c9d6f38ed457a94492537e42d71c35b448f9ae11683e7aba1863599ac [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" "cfef9f6c9d6f38ed457a94492537e42d71c35b448f9ae11683e7aba1863599ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cfef9f6c9d6f38ed457a94492537e42d71c35b448f9ae11683e7aba1863599ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfef9f6c9d6f38ed457a94492537e42d71c35b448f9ae11683e7aba1863599ac", kill_on_drop: false }` [INFO] [stdout] cfef9f6c9d6f38ed457a94492537e42d71c35b448f9ae11683e7aba1863599ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9002d73bc63e3fc40f4053ef619e8cc7e1cdce2909c1660f5c63deb38de9b1d5 [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" "9002d73bc63e3fc40f4053ef619e8cc7e1cdce2909c1660f5c63deb38de9b1d5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling num_cpus v1.13.0 [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_logs v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `median_tagged_times` [INFO] [stdout] --> src/stats.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn median_tagged_times<'a>( [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: `median_tagged_counts` [INFO] [stdout] --> src/stats.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn median_tagged_counts<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `median_tagged_speeds` [INFO] [stdout] --> src/stats.rs:122:12 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn median_tagged_speeds<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.54s [INFO] running `Command { std: "docker" "inspect" "9002d73bc63e3fc40f4053ef619e8cc7e1cdce2909c1660f5c63deb38de9b1d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9002d73bc63e3fc40f4053ef619e8cc7e1cdce2909c1660f5c63deb38de9b1d5", kill_on_drop: false }` [INFO] [stdout] 9002d73bc63e3fc40f4053ef619e8cc7e1cdce2909c1660f5c63deb38de9b1d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47391f6f41bc44586ae070a739590b0cf74cfaa60720208bfd067a2d3c052c05 [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" "47391f6f41bc44586ae070a739590b0cf74cfaa60720208bfd067a2d3c052c05", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stdout] warning: associated function is never used: `median_tagged_times` [INFO] [stdout] --> src/stats.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn median_tagged_times<'a>( [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: `median_tagged_counts` [INFO] [stdout] --> src/stats.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn median_tagged_counts<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `median_tagged_speeds` [INFO] [stdout] --> src/stats.rs:122:12 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn median_tagged_speeds<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling bstr v0.2.13 [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] [stdout] warning: associated function is never used: `median_tagged_times` [INFO] [stdout] --> src/stats.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn median_tagged_times<'a>( [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: `median_tagged_counts` [INFO] [stdout] --> src/stats.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn median_tagged_counts<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `median_tagged_speeds` [INFO] [stdout] --> src/stats.rs:122:12 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn median_tagged_speeds<'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 57.78s [INFO] running `Command { std: "docker" "inspect" "47391f6f41bc44586ae070a739590b0cf74cfaa60720208bfd067a2d3c052c05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47391f6f41bc44586ae070a739590b0cf74cfaa60720208bfd067a2d3c052c05", kill_on_drop: false }` [INFO] [stdout] 47391f6f41bc44586ae070a739590b0cf74cfaa60720208bfd067a2d3c052c05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 93cbe70d8d61231b4f05f453f9e4a1700ce93b9c1f764b8f0dc97320b873c1e3 [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" "93cbe70d8d61231b4f05f453f9e4a1700ce93b9c1f764b8f0dc97320b873c1e3", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `median_tagged_times` [INFO] [stderr] --> src/stats.rs:86:12 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn median_tagged_times<'a>( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `median_tagged_counts` [INFO] [stderr] --> src/stats.rs:103:12 [INFO] [stderr] | [INFO] [stderr] 103 | pub fn median_tagged_counts<'a>( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `median_tagged_speeds` [INFO] [stderr] --> src/stats.rs:122:12 [INFO] [stderr] | [INFO] [stderr] 122 | pub fn median_tagged_speeds<'a>( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `median_tagged_times` [INFO] [stderr] --> src/stats.rs:86:12 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn median_tagged_times<'a>( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `median_tagged_counts` [INFO] [stderr] --> src/stats.rs:103:12 [INFO] [stderr] | [INFO] [stderr] 103 | pub fn median_tagged_counts<'a>( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `median_tagged_speeds` [INFO] [stderr] --> src/stats.rs:122:12 [INFO] [stderr] | [INFO] [stderr] 122 | pub fn median_tagged_speeds<'a>( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.27s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rayon_logs-6378a832243cf291 [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/json2svg-95612e91396469c6 [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 [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::IntoParallelIterator::into_par_iter (line 58) ... ok [INFO] [stdout] test src/prelude.rs - prelude::IntoParallelIterator::into_par_iter (line 68) ... ok [INFO] [stdout] test src/prelude.rs - prelude::IntoParallelRefMutIterator::par_iter_mut (line 103) ... ok [INFO] [stdout] test src/pool.rs - pool::join (line 411) ... ok [INFO] [stdout] test src/prelude.rs - prelude::IntoParallelRefIterator::par_iter (line 24) ... 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_key (line 125) ... ok [INFO] [stdout] test src/lib.rs - (line 26) ... FAILED [INFO] [stdout] test src/pool.rs - pool::subgraph (line 67) ... FAILED [INFO] [stdout] test src/rayon_algorithms/slice/mod.rs - rayon_algorithms::slice::ParallelSliceMut::par_sort_by (line 80) ... ok [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: Other, message: "Read-only file system" }', /opt/rustwide/workdir/src/pool.rs:576:10 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55d370679295 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55d370679295 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55d370679295 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55d370679295 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55d3706977cc - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55d370677272 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stdout] at src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x55d37067b8e0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x55d37067b8e0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x55d37067b8e0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x55d37067b62c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:217 [INFO] [stdout] 10: 0x55d37067bf23 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 11: 0x55d37067bb1b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 12: 0x55d370696bd1 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 13: 0x55d3706969f3 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 14: 0x55d3705f82c5 - core::result::Result::expect::h7b0b8ea47af1582e [INFO] [stdout] 15: 0x55d3705f33f3 - rayon_logs::pool::ThreadPool::install::he8a23eaa46c3a139 [INFO] [stdout] 16: 0x55d3705fdf1c - rust_out::main::h405f65324f7b53be [INFO] [stdout] 17: 0x55d3705f4403 - std::rt::lang_start::{{closure}}::h4b28e45528b64eb3 [INFO] [stdout] 18: 0x55d37067c3c3 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 19: 0x55d37067c3c3 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stdout] at src/libstd/panicking.rs:348 [INFO] [stdout] 20: 0x55d37067c3c3 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stdout] at src/libstd/panicking.rs:325 [INFO] [stdout] 21: 0x55d37067c3c3 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x55d37067c3c3 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 23: 0x55d3705f43e8 - std::rt::lang_start::hb412ec904ea47782 [INFO] [stdout] 24: 0x55d3705fe19b - main [INFO] [stdout] 25: 0x7f78a07e10b3 - __libc_start_main [INFO] [stdout] 26: 0x55d3705ee17e - _start [INFO] [stdout] 27: 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: Other, message: "Read-only file system" }', /opt/rustwide/workdir/src/pool.rs:576:10 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5619cb6586b5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5619cb6586b5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5619cb6586b5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5619cb6586b5 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5619cb676bec - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x5619cb656692 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stdout] at src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x5619cb65ad00 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5619cb65ad00 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5619cb65ad00 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x5619cb65aa4c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:217 [INFO] [stdout] 10: 0x5619cb65b343 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 11: 0x5619cb65af3b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 12: 0x5619cb675ff1 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 13: 0x5619cb675e13 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 14: 0x5619cb5d88c5 - core::result::Result::expect::h7b0b8ea47af1582e [INFO] [stdout] 15: 0x5619cb5d35c3 - rayon_logs::pool::ThreadPool::install::he8a23eaa46c3a139 [INFO] [stdout] 16: 0x5619cb5dd07e - rust_out::main::h405f65324f7b53be [INFO] [stdout] 17: 0x5619cb5d4ec3 - std::rt::lang_start::{{closure}}::h4b28e45528b64eb3 [INFO] [stdout] 18: 0x5619cb65b7e3 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 19: 0x5619cb65b7e3 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stdout] at src/libstd/panicking.rs:348 [INFO] [stdout] 20: 0x5619cb65b7e3 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stdout] at src/libstd/panicking.rs:325 [INFO] [stdout] 21: 0x5619cb65b7e3 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x5619cb65b7e3 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 23: 0x5619cb5d4ea8 - std::rt::lang_start::hb412ec904ea47782 [INFO] [stdout] 24: 0x5619cb5dd56b - main [INFO] [stdout] 25: 0x7f186016a0b3 - __libc_start_main [INFO] [stdout] 26: 0x5619cb5cf17e - _start [INFO] [stdout] 27: 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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "93cbe70d8d61231b4f05f453f9e4a1700ce93b9c1f764b8f0dc97320b873c1e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93cbe70d8d61231b4f05f453f9e4a1700ce93b9c1f764b8f0dc97320b873c1e3", kill_on_drop: false }` [INFO] [stdout] 93cbe70d8d61231b4f05f453f9e4a1700ce93b9c1f764b8f0dc97320b873c1e3