[INFO] fetching crate yaque 0.6.6...
[INFO] testing yaque-0.6.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[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 c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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: v0.6.1)
[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: v5.1.0)
[INFO] [stderr]       Adding sysinfo v0.28.4 (available: v0.37.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b780c5d0fade9e1e612e73a748862ebde8f4f1fd593e04229a913ea10f1c53e
[INFO] running `Command { std: "docker" "start" "-a" "1b780c5d0fade9e1e612e73a748862ebde8f4f1fd593e04229a913ea10f1c53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b780c5d0fade9e1e612e73a748862ebde8f4f1fd593e04229a913ea10f1c53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b780c5d0fade9e1e612e73a748862ebde8f4f1fd593e04229a913ea10f1c53e", kill_on_drop: false }`
[INFO] [stdout] 1b780c5d0fade9e1e612e73a748862ebde8f4f1fd593e04229a913ea10f1c53e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 037aef9d11155026361d8a248e2e68a2be777a72931493fb1a6c1326b35717ea
[INFO] running `Command { std: "docker" "start" "-a" "037aef9d11155026361d8a248e2e68a2be777a72931493fb1a6c1326b35717ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling getrandom v0.2.16
[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 semver v1.0.27
[INFO] [stderr]    Compiling sysinfo v0.28.4
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling notify v5.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[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 16.31s
[INFO] running `Command { std: "docker" "inspect" "037aef9d11155026361d8a248e2e68a2be777a72931493fb1a6c1326b35717ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037aef9d11155026361d8a248e2e68a2be777a72931493fb1a6c1326b35717ea", kill_on_drop: false }`
[INFO] [stdout] 037aef9d11155026361d8a248e2e68a2be777a72931493fb1a6c1326b35717ea
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da31b0f12f2e839b7e8fb39991aa16e435743d4d6c77dd2431fbcae38be82d0c
[INFO] running `Command { std: "docker" "start" "-a" "da31b0f12f2e839b7e8fb39991aa16e435743d4d6c77dd2431fbcae38be82d0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling deranged v0.5.5
[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 ctor v0.1.26
[INFO] [stderr]    Compiling simple_logger v4.3.3
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.38s
[INFO] running `Command { std: "docker" "inspect" "da31b0f12f2e839b7e8fb39991aa16e435743d4d6c77dd2431fbcae38be82d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da31b0f12f2e839b7e8fb39991aa16e435743d4d6c77dd2431fbcae38be82d0c", kill_on_drop: false }`
[INFO] [stdout] da31b0f12f2e839b7e8fb39991aa16e435743d4d6c77dd2431fbcae38be82d0c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0f4523e7918f3337f27421dd2bc35618ea304ec681ace12d45666bbd24c2dc2
[INFO] running `Command { std: "docker" "start" "-a" "c0f4523e7918f3337f27421dd2bc35618ea304ec681ace12d45666bbd24c2dc2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yaque-a941dac21eb7f6cf)
[INFO] [stderr] 
[INFO] [stderr] thread '<unnamed>' (16) 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:     0x5946c2bb8b92 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5946c2bb8b92 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5946c2bb8b92 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5946c2bb8b92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5946c2bca8bf - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5946c2bca8bf - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x5946c2b848a3 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5946c2b848a3 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5946c2b91392 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5946c2b9670f - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x5946c2b96569 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x5946c2b96ce5 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stderr]   12:     0x5946c2b96b7a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stderr]   13:     0x5946c2b914c9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   14:     0x5946c2b77efd - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stderr]   15:     0x5946c2bd3f40 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x5946c2bd30c6 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5
[INFO] [stderr]   17:     0x5946c29da551 - core::result::Result<T,E>::unwrap::h2a959036b9561e3b
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1233:23
[INFO] [stderr]   18:     0x5946c29da551 - yaque::queue::init_log::ha7b6dc1656ae82df
[INFO] [stderr]                                at /opt/rustwide/workdir/src/queue/mod.rs:87:37
[INFO] [stderr]   19:     0x5946c29d9b06 - yaque::queue::init_log___rust_ctor___ctor::init_log___rust_ctor___ctor::hbbc98687b6d6d747
[INFO] [stderr]                                at /opt/rustwide/workdir/src/queue/mod.rs:68:1
[INFO] [stderr]   20:     0x776e2af7f304 - __libc_start_main
[INFO] [stderr]   21:     0x5946c29a9a45 - _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-a941dac21eb7f6cf` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "c0f4523e7918f3337f27421dd2bc35618ea304ec681ace12d45666bbd24c2dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f4523e7918f3337f27421dd2bc35618ea304ec681ace12d45666bbd24c2dc2", kill_on_drop: false }`
[INFO] [stdout] c0f4523e7918f3337f27421dd2bc35618ea304ec681ace12d45666bbd24c2dc2