[INFO] fetching crate yaque 0.6.6...
[INFO] testing yaque-0.6.6 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate yaque 0.6.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate yaque 0.6.6
[INFO] finished tweaking crates.io crate yaque 0.6.6
[INFO] tweaked toml for crates.io crate yaque 0.6.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yaque 0.6.6 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 111 packages to latest compatible versions
[INFO] [stderr]       Adding ctor v0.1.26 (available: v0.5.0)
[INFO] [stderr]       Adding notify v5.2.0 (available: v8.2.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_xorshift v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding simple_logger v4.3.3 (available: v5.0.0)
[INFO] [stderr]       Adding sysinfo v0.28.4 (available: v0.37.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7ace9f2af1642b364b1594da4e0f93c44d1bec904ff7a988775b2ce3d16f268
[INFO] running `Command { std: "docker" "start" "-a" "c7ace9f2af1642b364b1594da4e0f93c44d1bec904ff7a988775b2ce3d16f268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7ace9f2af1642b364b1594da4e0f93c44d1bec904ff7a988775b2ce3d16f268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ace9f2af1642b364b1594da4e0f93c44d1bec904ff7a988775b2ce3d16f268", kill_on_drop: false }`
[INFO] [stdout] c7ace9f2af1642b364b1594da4e0f93c44d1bec904ff7a988775b2ce3d16f268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 147462d4a664095d875cab1da4cba964a90397900862e13519cc97bf3f40f1a2
[INFO] running `Command { std: "docker" "start" "-a" "147462d4a664095d875cab1da4cba964a90397900862e13519cc97bf3f40f1a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling sysinfo v0.28.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling notify v5.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling yaque v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "147462d4a664095d875cab1da4cba964a90397900862e13519cc97bf3f40f1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147462d4a664095d875cab1da4cba964a90397900862e13519cc97bf3f40f1a2", kill_on_drop: false }`
[INFO] [stdout] 147462d4a664095d875cab1da4cba964a90397900862e13519cc97bf3f40f1a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f27dcb67e5c15e1c0227f3fb91281bad0fdcbc4901c5ff45de3b079c8b067d3f
[INFO] running `Command { std: "docker" "start" "-a" "f27dcb67e5c15e1c0227f3fb91281bad0fdcbc4901c5ff45de3b079c8b067d3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling notify v5.2.0
[INFO] [stderr]    Compiling yaque v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling simple_logger v4.3.3
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "f27dcb67e5c15e1c0227f3fb91281bad0fdcbc4901c5ff45de3b079c8b067d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27dcb67e5c15e1c0227f3fb91281bad0fdcbc4901c5ff45de3b079c8b067d3f", kill_on_drop: false }`
[INFO] [stdout] f27dcb67e5c15e1c0227f3fb91281bad0fdcbc4901c5ff45de3b079c8b067d3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 471ce8f9e72026a418474a4c897055e52963b9b4be4e8870b15d3c470ea3d084
[INFO] running `Command { std: "docker" "start" "-a" "471ce8f9e72026a418474a4c897055e52963b9b4be4e8870b15d3c470ea3d084", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yaque-7a4dfa2c082debe9)
[INFO] [stderr] 
[INFO] [stderr] thread '<unnamed>' (24) panicked at src/queue/mod.rs:87:37:
[INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5ff924493922 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5ff924493922 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5ff924493922 - std::sys::backtrace::_print_fmt::hec54e31f36456895
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5ff924493922 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb1988e8b50fa5f19
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5ff9244a599f - core::fmt::rt::Argument::fmt::h3118a66e1a57a586
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5ff9244a599f - core::fmt::write::hcd056e06a609f600
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]    6:     0x5ff92445eb81 - std::io::default_write_fmt::h45f0f9de0268fdcb
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5ff92445eb81 - std::io::Write::write_fmt::hc685c74e0b8ce55d
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5ff92446ba72 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5ff924470dff - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x5ff924470c59 - std::panicking::default_hook::h09da2eaf8f1deadd
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x5ff924471485 - std::panicking::panic_with_hook::h13c40d280d130fd3
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:834:13
[INFO] [stderr]   12:     0x5ff92447131a - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13
[INFO] [stderr]   13:     0x5ff92446bbb9 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   14:     0x5ff924451e6d - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5
[INFO] [stderr]   15:     0x5ff9244af0a0 - core::panicking::panic_fmt::h326b75cf8ee01b13
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14
[INFO] [stderr]   16:     0x5ff9244ae246 - core::result::unwrap_failed::h38baee32fdec5ac8
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1855:5
[INFO] [stderr]   17:     0x5ff9242a9e81 - core::result::Result<T,E>::unwrap::h05254fe381e000ec
[INFO] [stderr]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1226:23
[INFO] [stderr]   18:     0x5ff9242a9e81 - yaque::queue::init_log::h9c47173c25a33b45
[INFO] [stderr]                                at /opt/rustwide/workdir/src/queue/mod.rs:87:37
[INFO] [stderr]   19:     0x5ff9242a9446 - yaque::queue::init_log___rust_ctor___ctor::init_log___rust_ctor___ctor::h871ee29f6cb89483
[INFO] [stderr]                                at /opt/rustwide/workdir/src/queue/mod.rs:68:1
[INFO] [stderr]   20:     0x7fc684371304 - __libc_start_main
[INFO] [stderr]   21:     0x5ff924277eb5 - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] fatal runtime error: failed to initiate panic, error 5, aborting
[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-7a4dfa2c082debe9` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "471ce8f9e72026a418474a4c897055e52963b9b4be4e8870b15d3c470ea3d084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471ce8f9e72026a418474a4c897055e52963b9b4be4e8870b15d3c470ea3d084", kill_on_drop: false }`
[INFO] [stdout] 471ce8f9e72026a418474a4c897055e52963b9b4be4e8870b15d3c470ea3d084