[INFO] crate palaver 0.3.0-alpha.3 is already in cache [INFO] testing palaver-0.3.0-alpha.3 against 1.45.2 for beta-1.46-1 [INFO] extracting crate palaver 0.3.0-alpha.3 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate palaver 0.3.0-alpha.3 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate palaver 0.3.0-alpha.3 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate palaver 0.3.0-alpha.3 [INFO] tweaked toml for crates.io crate palaver 0.3.0-alpha.3 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate crates.io crate palaver 0.3.0-alpha.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9e225c6045cd028d9c60285229f0a142cefb7f13cc02bc545a573cbd1dac80e [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" "c9e225c6045cd028d9c60285229f0a142cefb7f13cc02bc545a573cbd1dac80e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9e225c6045cd028d9c60285229f0a142cefb7f13cc02bc545a573cbd1dac80e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9e225c6045cd028d9c60285229f0a142cefb7f13cc02bc545a573cbd1dac80e", kill_on_drop: false }` [INFO] [stdout] c9e225c6045cd028d9c60285229f0a142cefb7f13cc02bc545a573cbd1dac80e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48da440f2873f899384bc8359d88e3daabde76946a17fb6fc22353c8e70436e1 [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" "48da440f2873f899384bc8359d88e3daabde76946a17fb6fc22353c8e70436e1", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling heapless v0.5.3 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling hex v0.4.1 [INFO] [stderr] Compiling replace_with v0.1.5 [INFO] [stderr] Compiling twox-hash v1.5.0 [INFO] [stderr] Compiling libflate v0.1.27 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling as-slice v0.1.2 [INFO] [stderr] Compiling procfs v0.7.7 [INFO] [stderr] Compiling palaver v0.3.0-alpha.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.37s [INFO] running `Command { std: "docker" "inspect" "48da440f2873f899384bc8359d88e3daabde76946a17fb6fc22353c8e70436e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48da440f2873f899384bc8359d88e3daabde76946a17fb6fc22353c8e70436e1", kill_on_drop: false }` [INFO] [stdout] 48da440f2873f899384bc8359d88e3daabde76946a17fb6fc22353c8e70436e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fa17e0aa4b8b6c4341c8d3101cdf827a76b59cf9e3a4658985d44f15c85e6fd [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" "7fa17e0aa4b8b6c4341c8d3101cdf827a76b59cf9e3a4658985d44f15c85e6fd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling escargot v0.5.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling serde_json v1.0.47 [INFO] [stderr] Compiling palaver v0.3.0-alpha.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 50.47s [INFO] running `Command { std: "docker" "inspect" "7fa17e0aa4b8b6c4341c8d3101cdf827a76b59cf9e3a4658985d44f15c85e6fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fa17e0aa4b8b6c4341c8d3101cdf827a76b59cf9e3a4658985d44f15c85e6fd", kill_on_drop: false }` [INFO] [stdout] 7fa17e0aa4b8b6c4341c8d3101cdf827a76b59cf9e3a4658985d44f15c85e6fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 58991e5f4244cda642fe7ba6226891025fa8ddfe62c3e68baf5baf14a8cae03e [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" "58991e5f4244cda642fe7ba6226891025fa8ddfe62c3e68baf5baf14a8cae03e", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.28s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/palaver-19e6258cb95c14a4 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test thread::tests::count ... ignored [INFO] [stderr] Running /opt/rustwide/target/debug/deps/env-6045459a70171c1f [INFO] [stdout] test process::tests::count ... ok [INFO] [stdout] test env::tests::same ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test same_as_rust ... ok [INFO] [stdout] test echo ... test echo has been running for over 60 seconds [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fd_iter-cad7140b87849d8a [INFO] [stdout] test echo ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] 0 [INFO] [stdout] 1 [INFO] [stdout] 2 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fork-ae9795ccd8e9948d [INFO] [stdout] multithreaded [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', tests/fork.rs:170:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b121dc3fe5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55b121dc3fe5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55b121dc3fe5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55b121dc3fe5 - ::fmt::h5fe20777f4174074 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55b121de7e4c - core::fmt::write::he14c3177144df275 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55b121dc0fb3 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55b121dc65c0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55b121dc65c0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55b121dc65c0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55b121dc630c - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55b121dc6bf7 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x55b121dc67fb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 12: 0x55b121de7251 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stderr] at src/libcore/panicking.rs:101 [INFO] [stderr] 13: 0x55b121de7073 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stderr] at src/libcore/option.rs:1272 [INFO] [stderr] 14: 0x55b121d5e500 - core::result::Result::unwrap::h508e3dd69a35534e [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55b121d1fe41 - fork::fork::assert_dead::h7a9065b358f9a73c [INFO] [stderr] at tests/fork.rs:170 [INFO] [stderr] 16: 0x55b121d1e586 - fork::fork::multithreaded::he31db36d2149085b [INFO] [stderr] at tests/fork.rs:101 [INFO] [stderr] 17: 0x55b121d1f7b9 - fork::fork::main::h56626fc06b4b8402 [INFO] [stderr] at tests/fork.rs:160 [INFO] [stderr] 18: 0x55b121d2d256 - fork::main::hdda41738e2e03e38 [INFO] [stderr] at tests/fork.rs:312 [INFO] [stderr] 19: 0x55b121d2a6cb - std::rt::lang_start::{{closure}}::hca88a1ddcadcd1bc [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x55b121dc6fc8 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 21: 0x55b121dc6fc8 - std::panicking::try::do_call::hb2bfa58b743656f1 [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 22: 0x55b121dc6fc8 - std::panicking::try::haaa85a89ce3784c3 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 23: 0x55b121dc6fc8 - std::panic::catch_unwind::h49baa277f74e60cb [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 24: 0x55b121dc6fc8 - std::rt::lang_start_internal::h7aa2f6739b31fe58 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 25: 0x55b121d2a6a7 - std::rt::lang_start::hb479ccd4eec28333 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:67 [INFO] [stderr] 26: 0x55b121d2d28a - main [INFO] [stderr] 27: 0x7f297790c0b3 - __libc_start_main [INFO] [stderr] 28: 0x55b121d1c9ee - _start [INFO] [stderr] 29: 0x0 - [INFO] [stderr] error: test failed, to rerun pass '--test fork' [INFO] running `Command { std: "docker" "inspect" "58991e5f4244cda642fe7ba6226891025fa8ddfe62c3e68baf5baf14a8cae03e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58991e5f4244cda642fe7ba6226891025fa8ddfe62c3e68baf5baf14a8cae03e", kill_on_drop: false }` [INFO] [stdout] 58991e5f4244cda642fe7ba6226891025fa8ddfe62c3e68baf5baf14a8cae03e