[INFO] fetching crate palaver 0.3.0-alpha.3...
[INFO] testing palaver-0.3.0-alpha.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate palaver 0.3.0-alpha.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate palaver 0.3.0-alpha.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-9/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-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded escargot v0.5.0
[INFO] [stderr]   Downloaded heapless v0.5.3
[INFO] [stderr]   Downloaded as-slice v0.1.2
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded procfs v0.7.7
[INFO] [stderr]   Downloaded replace_with v0.1.5
[INFO] [stderr]   Downloaded twox-hash v1.5.0
[INFO] [stderr]   Downloaded valgrind_request v1.1.0
[INFO] [stderr]   Downloaded hex v0.4.1
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95c049af55f90ecdc8275e79c07b79177b32d94067f91f468899c18e131b8c81
[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" "95c049af55f90ecdc8275e79c07b79177b32d94067f91f468899c18e131b8c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95c049af55f90ecdc8275e79c07b79177b32d94067f91f468899c18e131b8c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c049af55f90ecdc8275e79c07b79177b32d94067f91f468899c18e131b8c81", kill_on_drop: false }`
[INFO] [stdout] 95c049af55f90ecdc8275e79c07b79177b32d94067f91f468899c18e131b8c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0459d8ab9dd031c9cb7c6e6623ffb56abf7b45ded2b7f4f7cf9bfd11515d7802
[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" "0459d8ab9dd031c9cb7c6e6623ffb56abf7b45ded2b7f4f7cf9bfd11515d7802", 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 bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling heapless v0.5.3
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[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 24.93s
[INFO] running `Command { std: "docker" "inspect" "0459d8ab9dd031c9cb7c6e6623ffb56abf7b45ded2b7f4f7cf9bfd11515d7802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0459d8ab9dd031c9cb7c6e6623ffb56abf7b45ded2b7f4f7cf9bfd11515d7802", kill_on_drop: false }`
[INFO] [stdout] 0459d8ab9dd031c9cb7c6e6623ffb56abf7b45ded2b7f4f7cf9bfd11515d7802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af669e566b1fd01106d981284fb9b1dee2477b4818fbd722ca83b8e1384b6a19
[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" "af669e566b1fd01106d981284fb9b1dee2477b4818fbd722ca83b8e1384b6a19", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 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 47.36s
[INFO] running `Command { std: "docker" "inspect" "af669e566b1fd01106d981284fb9b1dee2477b4818fbd722ca83b8e1384b6a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af669e566b1fd01106d981284fb9b1dee2477b4818fbd722ca83b8e1384b6a19", kill_on_drop: false }`
[INFO] [stdout] af669e566b1fd01106d981284fb9b1dee2477b4818fbd722ca83b8e1384b6a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a103d54f96d5a0fa1b5a03181b45ab50a28bc7b05abe52adadec9c0a071c860b
[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" "a103d54f96d5a0fa1b5a03181b45ab50a28bc7b05abe52adadec9c0a071c860b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[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] [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-e33b1024b1ed4933
[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-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:     0x564701a4a520 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x564701a4a520 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564701a4a520 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x564701a4a520 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x564701a684ec - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x564701a476d2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x564701a4c70d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x564701a4c70d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x564701a4c70d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x564701a4c3b8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x564701a4cdf1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x564701a4c999 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]   12:     0x564701a4a9ac - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x564701a4c959 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]   14:     0x564701a67801 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stderr]   15:     0x564701a67623 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stderr]   16:     0x5647019d5ce0 - core::result::Result<T,E>::unwrap::hb0331c11e5e0fa20
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/result.rs:973
[INFO] [stderr]   17:     0x564701995aeb - fork::fork::assert_dead::h1d442f2cfcc69aae
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/fork.rs:170
[INFO] [stderr]   18:     0x564701994626 - fork::fork::multithreaded::h24e73a31ed2a947d
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/fork.rs:101
[INFO] [stderr]   19:     0x56470199598c - fork::fork::main::h636855772838943d
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/fork.rs:160
[INFO] [stderr]   20:     0x5647019a68b6 - fork::main::he57e70b9f5af6f07
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/fork.rs:312
[INFO] [stderr]   21:     0x5647019a226b - core::ops::function::FnOnce::call_once::h2c730b9b2e1268cf
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   22:     0x56470199cd6e - std::sys_common::backtrace::__rust_begin_short_backtrace::hafdc1998ee52b357
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   23:     0x5647019a20a1 - std::rt::lang_start::{{closure}}::h26de3a7bbcfb5006
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:66
[INFO] [stderr]   24:     0x564701a4d217 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stderr]   25:     0x564701a4d217 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   26:     0x564701a4d217 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   27:     0x564701a4d217 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   28:     0x564701a4d217 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]   29:     0x5647019a2077 - std::rt::lang_start::h9e2c9ea9e8d72163
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:65
[INFO] [stderr]   30:     0x5647019a68ea - main
[INFO] [stderr]   31:     0x7fc05c2650b3 - __libc_start_main
[INFO] [stderr]   32:     0x56470199292e - _start
[INFO] [stderr]   33:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass '--test fork'
[INFO] running `Command { std: "docker" "inspect" "a103d54f96d5a0fa1b5a03181b45ab50a28bc7b05abe52adadec9c0a071c860b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a103d54f96d5a0fa1b5a03181b45ab50a28bc7b05abe52adadec9c0a071c860b", kill_on_drop: false }`
[INFO] [stdout] a103d54f96d5a0fa1b5a03181b45ab50a28bc7b05abe52adadec9c0a071c860b
