[INFO] crate palaver 0.3.0-alpha.3 is already in cache [INFO] testing palaver-0.3.0-alpha.3 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate palaver 0.3.0-alpha.3 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate palaver 0.3.0-alpha.3 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-5/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ecb3cc161338583a53bf94228b22f027feb529b594abc62210e3b43fceff3dd5 [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" "ecb3cc161338583a53bf94228b22f027feb529b594abc62210e3b43fceff3dd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ecb3cc161338583a53bf94228b22f027feb529b594abc62210e3b43fceff3dd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecb3cc161338583a53bf94228b22f027feb529b594abc62210e3b43fceff3dd5", kill_on_drop: false }` [INFO] [stdout] ecb3cc161338583a53bf94228b22f027feb529b594abc62210e3b43fceff3dd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2934da65c897681e9961d793ff7cff0d3cbe825af59a109b9dc180b4cf249f75 [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" "2934da65c897681e9961d793ff7cff0d3cbe825af59a109b9dc180b4cf249f75", 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 take_mut v0.2.2 [INFO] [stderr] Compiling rle-decode-fast v1.0.1 [INFO] [stderr] Compiling heapless v0.5.3 [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 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 26.93s [INFO] running `Command { std: "docker" "inspect" "2934da65c897681e9961d793ff7cff0d3cbe825af59a109b9dc180b4cf249f75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2934da65c897681e9961d793ff7cff0d3cbe825af59a109b9dc180b4cf249f75", kill_on_drop: false }` [INFO] [stdout] 2934da65c897681e9961d793ff7cff0d3cbe825af59a109b9dc180b4cf249f75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d970d376982c71f747f8c67161bc95c42e58d2d81f1a4ecfe3ff549569877e9 [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" "2d970d376982c71f747f8c67161bc95c42e58d2d81f1a4ecfe3ff549569877e9", 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 ryu v1.0.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling itoa v0.4.5 [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 c2-chacha v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [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 49.62s [INFO] running `Command { std: "docker" "inspect" "2d970d376982c71f747f8c67161bc95c42e58d2d81f1a4ecfe3ff549569877e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d970d376982c71f747f8c67161bc95c42e58d2d81f1a4ecfe3ff549569877e9", kill_on_drop: false }` [INFO] [stdout] 2d970d376982c71f747f8c67161bc95c42e58d2d81f1a4ecfe3ff549569877e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-07-24" "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] 0b1b356942e389a25b4cdaf00874321c767368d712336ddddf36bb5c399260fc [INFO] running `Command { std: "docker" "start" "-a" "0b1b356942e389a25b4cdaf00874321c767368d712336ddddf36bb5c399260fc", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/palaver-395514e2e6ce2aec [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test thread::tests::count ... ignored [INFO] [stdout] test env::tests::same ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/env-e33b1024b1ed4933 [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] [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] [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-6029d68480b71550 [INFO] [stdout] 0 [INFO] [stdout] 1 [INFO] [stdout] 2 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fork-69cda4642d8abd7f [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: 0x55c35d883ef5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55c35d883ef5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c35d883ef5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55c35d883ef5 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55c35d8a7b6c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55c35d880e62 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55c35d886400 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55c35d886400 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55c35d886400 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55c35d88614c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55c35d886a43 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55c35d88663b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x55c35d8a6f71 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x55c35d8a6d93 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x55c35d81e890 - core::result::Result::unwrap::h21dc053defe59d7a [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55c35d7de8d1 - fork::fork::assert_dead::h1d442f2cfcc69aae [INFO] [stderr] at tests/fork.rs:170 [INFO] [stderr] 16: 0x55c35d7dd576 - fork::fork::multithreaded::h24e73a31ed2a947d [INFO] [stderr] at tests/fork.rs:101 [INFO] [stderr] 17: 0x55c35d7de7a9 - fork::fork::main::h636855772838943d [INFO] [stderr] at tests/fork.rs:160 [INFO] [stderr] 18: 0x55c35d7ec946 - fork::main::he57e70b9f5af6f07 [INFO] [stderr] at tests/fork.rs:312 [INFO] [stderr] 19: 0x55c35d7e9e2b - std::rt::lang_start::{{closure}}::h253abd960fa206c6 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x55c35d886e13 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 21: 0x55c35d886e13 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 22: 0x55c35d886e13 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 23: 0x55c35d886e13 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 24: 0x55c35d886e13 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 25: 0x55c35d7e9e07 - std::rt::lang_start::h714d02aef411fc22 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 26: 0x55c35d7ec97a - main [INFO] [stderr] 27: 0x7ff769b840b3 - __libc_start_main [INFO] [stderr] 28: 0x55c35d7db9ee - _start [INFO] [stderr] 29: 0x0 - [INFO] [stderr] error: test failed, to rerun pass '--test fork' [INFO] running `Command { std: "docker" "inspect" "0b1b356942e389a25b4cdaf00874321c767368d712336ddddf36bb5c399260fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b1b356942e389a25b4cdaf00874321c767368d712336ddddf36bb5c399260fc", kill_on_drop: false }` [INFO] [stdout] 0b1b356942e389a25b4cdaf00874321c767368d712336ddddf36bb5c399260fc