[INFO] fetching crate yaque 0.6.2...
[INFO] testing yaque-0.6.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate yaque 0.6.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate yaque 0.6.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaque 0.6.2
[INFO] finished tweaking crates.io crate yaque 0.6.2
[INFO] tweaked toml for crates.io crate yaque 0.6.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab08b55317427485228205c385dc5d9641d6e707b1b52d7fc808453edae4365a
[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" "ab08b55317427485228205c385dc5d9641d6e707b1b52d7fc808453edae4365a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab08b55317427485228205c385dc5d9641d6e707b1b52d7fc808453edae4365a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab08b55317427485228205c385dc5d9641d6e707b1b52d7fc808453edae4365a", kill_on_drop: false }`
[INFO] [stdout] ab08b55317427485228205c385dc5d9641d6e707b1b52d7fc808453edae4365a
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86dada0d954db39a27566170e46098db6f5f0c850bc48055a0dac0e8ae185bdd
[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" "86dada0d954db39a27566170e46098db6f5f0c850bc48055a0dac0e8ae185bdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling sysinfo v0.17.5
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling inotify v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling notify v5.0.0-pre.10
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling yaque v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.50s
[INFO] running `Command { std: "docker" "inspect" "86dada0d954db39a27566170e46098db6f5f0c850bc48055a0dac0e8ae185bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86dada0d954db39a27566170e46098db6f5f0c850bc48055a0dac0e8ae185bdd", kill_on_drop: false }`
[INFO] [stdout] 86dada0d954db39a27566170e46098db6f5f0c850bc48055a0dac0e8ae185bdd
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9498083e2ad627a40531632a2a4ed252f8ca56c29f31fc48d71d568d9e6f1604
[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" "9498083e2ad627a40531632a2a4ed252f8ca56c29f31fc48d71d568d9e6f1604", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling notify v5.0.0-pre.10
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling yaque v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.78s
[INFO] running `Command { std: "docker" "inspect" "9498083e2ad627a40531632a2a4ed252f8ca56c29f31fc48d71d568d9e6f1604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9498083e2ad627a40531632a2a4ed252f8ca56c29f31fc48d71d568d9e6f1604", kill_on_drop: false }`
[INFO] [stdout] 9498083e2ad627a40531632a2a4ed252f8ca56c29f31fc48d71d568d9e6f1604
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 043ee81d23be4a605016e1d7d2c5247d7e8e15bddcc36bca81ad789280739236
[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" "043ee81d23be4a605016e1d7d2c5247d7e8e15bddcc36bca81ad789280739236", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yaque-099b1c63653facc9)
[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/mod.rs:87:37
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x560cd3bcb3d0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x560cd3bcb3d0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x560cd3bcb3d0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x560cd3bcb3d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x560cd3bf08ec - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]    5:     0x560cd3bc7a35 - std::io::Write::write_fmt::h4c802b6f761026c1
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]    6:     0x560cd3bcdabb - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x560cd3bcdabb - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x560cd3bcdabb - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x560cd3bcd591 - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x560cd3bce161 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17
[INFO] [stderr]   11:     0x560cd3bcdc67 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13
[INFO] [stderr]   12:     0x560cd3bcb8ac - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   13:     0x560cd3bcdbc9 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5
[INFO] [stderr]   14:     0x560cd393b9d1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14
[INFO] [stderr]   15:     0x560cd393bac3 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5
[INFO] [stderr]   16:     0x560cd3b4ccc7 - core::result::Result<T,E>::unwrap::hab6926db269a271e
[INFO] [stderr]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1037:23
[INFO] [stderr]   17:     0x560cd39926e7 - yaque::queue::init_log::hdd57ac534af50fd1
[INFO] [stderr]                                at /opt/rustwide/workdir/src/queue/mod.rs:87:5
[INFO] [stderr]   18:     0x560cd393c1a6 - yaque::queue::init_log___rust_ctor___ctor::init_log___rust_ctor___ctor::h90f8620dbeeaa18b
[INFO] [stderr]                                at /opt/rustwide/workdir/src/queue/mod.rs:68:1
[INFO] [stderr]   19:     0x560cd3bf73dd - __libc_csu_init
[INFO] [stderr]   20:     0x7f2e6aaee040 - __libc_start_main
[INFO] [stderr]   21:     0x560cd393c1de - _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-099b1c63653facc9` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "043ee81d23be4a605016e1d7d2c5247d7e8e15bddcc36bca81ad789280739236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043ee81d23be4a605016e1d7d2c5247d7e8e15bddcc36bca81ad789280739236", kill_on_drop: false }`
[INFO] [stdout] 043ee81d23be4a605016e1d7d2c5247d7e8e15bddcc36bca81ad789280739236