[INFO] crate palaver 0.3.0-alpha.3 is already in cache [INFO] testing palaver-0.3.0-alpha.3 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate palaver 0.3.0-alpha.3 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate palaver 0.3.0-alpha.3 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 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-2/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bdd5acb1d1991149332ea8909ddfeed36bf7f1c9fe38690eafed4aa257466dc3 [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" "bdd5acb1d1991149332ea8909ddfeed36bf7f1c9fe38690eafed4aa257466dc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bdd5acb1d1991149332ea8909ddfeed36bf7f1c9fe38690eafed4aa257466dc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdd5acb1d1991149332ea8909ddfeed36bf7f1c9fe38690eafed4aa257466dc3", kill_on_drop: false }` [INFO] [stdout] bdd5acb1d1991149332ea8909ddfeed36bf7f1c9fe38690eafed4aa257466dc3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 426acd1d94b32e3d046df5eee045ab6f4470d08f4d244c90fda097df8a7527fc [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" "426acd1d94b32e3d046df5eee045ab6f4470d08f4d244c90fda097df8a7527fc", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling heapless v0.5.3 [INFO] [stderr] Compiling rle-decode-fast v1.0.1 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling hex v0.4.1 [INFO] [stderr] Compiling twox-hash v1.5.0 [INFO] [stderr] Compiling replace_with v0.1.5 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling libflate v0.1.27 [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 16.42s [INFO] running `Command { std: "docker" "inspect" "426acd1d94b32e3d046df5eee045ab6f4470d08f4d244c90fda097df8a7527fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "426acd1d94b32e3d046df5eee045ab6f4470d08f4d244c90fda097df8a7527fc", kill_on_drop: false }` [INFO] [stdout] 426acd1d94b32e3d046df5eee045ab6f4470d08f4d244c90fda097df8a7527fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02c7dd1a1f440dceb91acaf703fc15746ac01880ef70eba9b60d12bfb7b2a73a [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" "02c7dd1a1f440dceb91acaf703fc15746ac01880ef70eba9b60d12bfb7b2a73a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling escargot v0.5.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [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 44.08s [INFO] running `Command { std: "docker" "inspect" "02c7dd1a1f440dceb91acaf703fc15746ac01880ef70eba9b60d12bfb7b2a73a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02c7dd1a1f440dceb91acaf703fc15746ac01880ef70eba9b60d12bfb7b2a73a", kill_on_drop: false }` [INFO] [stdout] 02c7dd1a1f440dceb91acaf703fc15746ac01880ef70eba9b60d12bfb7b2a73a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e1f8d957029423ed0213a9c3bd965bb4126a51f171f69037e6d9e1c4f51c9088 [INFO] running `Command { std: "docker" "start" "-a" "e1f8d957029423ed0213a9c3bd965bb4126a51f171f69037e6d9e1c4f51c9088", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/palaver-d1bb7c9056da4127 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test thread::tests::count ... ignored [INFO] [stdout] test env::tests::same ... ok [INFO] [stdout] test process::tests::count ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/env-bd9a641c6490c8e6 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test same_as_rust ... ok [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] [stderr] Running /opt/rustwide/target/debug/deps/fd_iter-ddf4899ead428334 [INFO] [stdout] 0 [INFO] [stdout] 1 [INFO] [stdout] 2 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fork-f157ec3f38c72906 [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:170:38 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5582f6e9db85 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5582f6e9db85 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5582f6e9db85 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5582f6e9db85 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5582f6ec180c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5582f6e9aaf2 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x5582f6ea0090 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5582f6ea0090 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5582f6ea0090 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5582f6e9fddc - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x5582f6ea06d3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x5582f6ea02cb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x5582f6ec0c11 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5582f6ec0a33 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x5582f6e3a840 - core::result::Result::unwrap::h8cc2dfdc2405e62c [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x5582f6dfa8d1 - fork::fork::assert_dead::hb235234ba47e8dac [INFO] [stderr] at tests/fork.rs:170 [INFO] [stderr] 16: 0x5582f6df9576 - fork::fork::multithreaded::h60e329d837e2e938 [INFO] [stderr] at tests/fork.rs:101 [INFO] [stderr] 17: 0x5582f6dfa7a9 - fork::fork::main::h7251204e1819fab2 [INFO] [stderr] at tests/fork.rs:160 [INFO] [stderr] 18: 0x5582f6e08946 - fork::main::h3bb108dbab9f6128 [INFO] [stderr] at tests/fork.rs:312 [INFO] [stderr] 19: 0x5582f6e05e2b - std::rt::lang_start::{{closure}}::h776c704005d5e0e2 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x5582f6ea0aa3 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 21: 0x5582f6ea0aa3 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 22: 0x5582f6ea0aa3 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 23: 0x5582f6ea0aa3 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 24: 0x5582f6ea0aa3 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 25: 0x5582f6e05e07 - std::rt::lang_start::h7c963ea2a16bda0f [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67 [INFO] [stderr] 26: 0x5582f6e0897a - main [INFO] [stderr] 27: 0x7f0cd8ef40b3 - __libc_start_main [INFO] [stderr] 28: 0x5582f6df79ee - _start [INFO] [stderr] 29: 0x0 - [INFO] [stderr] error: test failed, to rerun pass '--test fork' [INFO] running `Command { std: "docker" "inspect" "e1f8d957029423ed0213a9c3bd965bb4126a51f171f69037e6d9e1c4f51c9088", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1f8d957029423ed0213a9c3bd965bb4126a51f171f69037e6d9e1c4f51c9088", kill_on_drop: false }` [INFO] [stdout] e1f8d957029423ed0213a9c3bd965bb4126a51f171f69037e6d9e1c4f51c9088