[INFO] fetching crate yaque 0.5.0-pre3...
[INFO] testing yaque-0.5.0-pre3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate yaque 0.5.0-pre3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate yaque 0.5.0-pre3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaque 0.5.0-pre3
[INFO] finished tweaking crates.io crate yaque 0.5.0-pre3
[INFO] tweaked toml for crates.io crate yaque 0.5.0-pre3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] cd8e520ea6d47e98131c58e5d114b1614066a83fa362047a82aa5f561222765e
[INFO] running `Command { std: "docker" "start" "-a" "cd8e520ea6d47e98131c58e5d114b1614066a83fa362047a82aa5f561222765e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8e520ea6d47e98131c58e5d114b1614066a83fa362047a82aa5f561222765e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8e520ea6d47e98131c58e5d114b1614066a83fa362047a82aa5f561222765e", kill_on_drop: false }`
[INFO] [stdout] cd8e520ea6d47e98131c58e5d114b1614066a83fa362047a82aa5f561222765e
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 633af20ac8d5c21733e7b461707cf577b1ff3f55c5b5cc2a5bd58b6e1f5d6856
[INFO] running `Command { std: "docker" "start" "-a" "633af20ac8d5c21733e7b461707cf577b1ff3f55c5b5cc2a5bd58b6e1f5d6856", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling sysinfo v0.14.15
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling inotify v0.8.3
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling notify v5.0.0-pre.4
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling yaque v0.5.0-pre3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.84s
[INFO] running `Command { std: "docker" "inspect" "633af20ac8d5c21733e7b461707cf577b1ff3f55c5b5cc2a5bd58b6e1f5d6856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633af20ac8d5c21733e7b461707cf577b1ff3f55c5b5cc2a5bd58b6e1f5d6856", kill_on_drop: false }`
[INFO] [stdout] 633af20ac8d5c21733e7b461707cf577b1ff3f55c5b5cc2a5bd58b6e1f5d6856
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] f524060ada3ba623150ae1ad5279cd91ed0591ff8789c371443c39136c5e5afb
[INFO] running `Command { std: "docker" "start" "-a" "f524060ada3ba623150ae1ad5279cd91ed0591ff8789c371443c39136c5e5afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling ctor v0.1.17
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling yaque v0.5.0-pre3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.96s
[INFO] running `Command { std: "docker" "inspect" "f524060ada3ba623150ae1ad5279cd91ed0591ff8789c371443c39136c5e5afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f524060ada3ba623150ae1ad5279cd91ed0591ff8789c371443c39136c5e5afb", kill_on_drop: false }`
[INFO] [stdout] f524060ada3ba623150ae1ad5279cd91ed0591ff8789c371443c39136c5e5afb
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb4980b4a9262fd007d36bab9a89df5e563d4dc00244ec9cf2f9f33f6fee9d51
[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" "fb4980b4a9262fd007d36bab9a89df5e563d4dc00244ec9cf2f9f33f6fee9d51", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yaque-18eae822aa8ca783
[INFO] [stderr] thread '<unnamed>' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/queue.rs:785:37
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x556b36ee7df0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]    1:     0x556b36ee7df0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x556b36ee7df0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x556b36ee7df0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he009dcaaa75eed60
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x556b36f0e44c - core::fmt::write::h77b4746b0dea1dd3
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]    5:     0x556b36ee3812 - std::io::Write::write_fmt::heb7e50902e98831c
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]    6:     0x556b36eea8c5 - std::sys_common::backtrace::_print::h2d880c9e69a21be9
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x556b36eea8c5 - std::sys_common::backtrace::print::h5f02b1bb49f36879
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x556b36eea8c5 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x556b36eea568 - std::panicking::default_hook::hb52d73f0da9a4bb8
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9
[INFO] [stderr]   10:     0x556b36eeb061 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17
[INFO] [stderr]   11:     0x556b36eeaba7 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13
[INFO] [stderr]   12:     0x556b36ee82ac - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   13:     0x556b36eeab09 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5
[INFO] [stderr]   14:     0x556b36f0cdb1 - core::panicking::panic_fmt::ha0bb065d9a260792
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14
[INFO] [stderr]   15:     0x556b36f0cbd3 - core::option::expect_none_failed::h7e1dd0a94971eb61
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/option.rs:1268:5
[INFO] [stderr]   16:     0x556b36d7d450 - core::result::Result<T,E>::unwrap::h84bac48309ade449
[INFO] [stderr]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/result.rs:973:23
[INFO] [stderr]   17:     0x556b36c19cef - yaque::queue::init_log::h70cc6ab365026c2f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/queue.rs:785:5
[INFO] [stderr]   18:     0x556b36c0c0c6 - yaque::queue::init_log___rust_ctor___ctor::init_log___rust_ctor___ctor::hfb1b7f7315d69883
[INFO] [stderr]                                at /opt/rustwide/workdir/src/queue.rs:766:1
[INFO] [stderr]   19:     0x556b36f1596d - __libc_csu_init
[INFO] [stderr]   20:     0x7fd0de2ff040 - __libc_start_main
[INFO] [stderr]   21:     0x556b36c0c0fe - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] fatal runtime error: failed to initiate panic, error 5
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/yaque-18eae822aa8ca783` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "fb4980b4a9262fd007d36bab9a89df5e563d4dc00244ec9cf2f9f33f6fee9d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4980b4a9262fd007d36bab9a89df5e563d4dc00244ec9cf2f9f33f6fee9d51", kill_on_drop: false }`
[INFO] [stdout] fb4980b4a9262fd007d36bab9a89df5e563d4dc00244ec9cf2f9f33f6fee9d51