[INFO] fetching crate watchfile 0.1.1...
[INFO] testing watchfile-0.1.1 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate watchfile 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate watchfile 0.1.1
[INFO] finished tweaking crates.io crate watchfile 0.1.1
[INFO] tweaked toml for crates.io crate watchfile 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate watchfile 0.1.1 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding toml v0.8.23 (available: v1.1.2+spec-1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53de1010456025510a02232a61c8e4290e6d5d71c73b95df452c4cdff0d2b9af
[INFO] running `Command { std: "docker" "start" "-a" "53de1010456025510a02232a61c8e4290e6d5d71c73b95df452c4cdff0d2b9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53de1010456025510a02232a61c8e4290e6d5d71c73b95df452c4cdff0d2b9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53de1010456025510a02232a61c8e4290e6d5d71c73b95df452c4cdff0d2b9af", kill_on_drop: false }`
[INFO] [stdout] 53de1010456025510a02232a61c8e4290e6d5d71c73b95df452c4cdff0d2b9af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649e32a745cca5b7fe8eae27d927df1d630ec0506aaca8161742fe544c5e47cb
[INFO] running `Command { std: "docker" "start" "-a" "649e32a745cca5b7fe8eae27d927df1d630ec0506aaca8161742fe544c5e47cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling watchfile v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.34s
[INFO] running `Command { std: "docker" "inspect" "649e32a745cca5b7fe8eae27d927df1d630ec0506aaca8161742fe544c5e47cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649e32a745cca5b7fe8eae27d927df1d630ec0506aaca8161742fe544c5e47cb", kill_on_drop: false }`
[INFO] [stdout] 649e32a745cca5b7fe8eae27d927df1d630ec0506aaca8161742fe544c5e47cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e187d6ca00a1a809016dbec0e44ec3423cde19d1081d7535a2ef0bc88b6427ae
[INFO] running `Command { std: "docker" "start" "-a" "e187d6ca00a1a809016dbec0e44ec3423cde19d1081d7535a2ef0bc88b6427ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling watchfile v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.07s
[INFO] running `Command { std: "docker" "inspect" "e187d6ca00a1a809016dbec0e44ec3423cde19d1081d7535a2ef0bc88b6427ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e187d6ca00a1a809016dbec0e44ec3423cde19d1081d7535a2ef0bc88b6427ae", kill_on_drop: false }`
[INFO] [stdout] e187d6ca00a1a809016dbec0e44ec3423cde19d1081d7535a2ef0bc88b6427ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b31ead19e5876e18d14169c7deffcf49adc244753d76283a0d6a5541d6d39b61
[INFO] running `Command { std: "docker" "start" "-a" "b31ead19e5876e18d14169c7deffcf49adc244753d76283a0d6a5541d6d39b61", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/watchfile-a78e218e028e8f3d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests watchfile
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - WatchFile::watch_file_channel (line 270) ... ok
[INFO] [stdout] test src/lib.rs - WatchFile::watch_file (line 237) ... ok
[INFO] [stdout] test src/lib.rs - WatchFile::save (line 336) ... FAILED
[INFO] [stdout] test src/lib.rs - WatchFile::post_serialize (line 102) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - WatchFile::save (line 336) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (137) panicked at src/lib.rs:20:44:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x570a1a6e760a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x570a1a6e760a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x570a1a6e760a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x570a1a6e760a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x570a1a6fc0da - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x570a1a6fc0da - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x570a1a6eb7f2 - std[ec419fa8110287d5]::io::default_write_fmt::<std[ec419fa8110287d5]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x570a1a6eb7f2 - <std[ec419fa8110287d5]::sys::stdio::unix::Stderr as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x570a1a6cdd6f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x570a1a6cdd6f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x570a1a6e0011 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x570a1a6e028b - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x570a1a6cde28 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x570a1a6c58e9 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x570a1a6ceaad - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x570a1a6fc89c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x570a1a6fc612 - core[35159d6ffb30e017]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x570a1a4752a5 - rust_out[999a937b1cc8d0f6]::main::{closure#0}
[INFO] [stdout]   18:     0x570a1a46b726 - <tokio[c5f759d542aae8b8]::runtime::park::CachedParkThread>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   19:     0x570a1a43b670 - <tokio[c5f759d542aae8b8]::runtime::park::CachedParkThread>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   20:     0x570a1a4382ed - <tokio[c5f759d542aae8b8]::runtime::context::blocking::BlockingRegionGuard>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   21:     0x570a1a46aba0 - <tokio[c5f759d542aae8b8]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   22:     0x570a1a452bcf - tokio[c5f759d542aae8b8]::runtime::context::runtime::enter_runtime::<<tokio[c5f759d542aae8b8]::runtime::scheduler::multi_thread::MultiThread>::block_on<rust_out[999a937b1cc8d0f6]::main::{closure#0}>::{closure#0}, ()>
[INFO] [stdout]   23:     0x570a1a438381 - <tokio[c5f759d542aae8b8]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   24:     0x570a1a437749 - <tokio[c5f759d542aae8b8]::runtime::runtime::Runtime>::block_on_inner::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   25:     0x570a1a4379a2 - <tokio[c5f759d542aae8b8]::runtime::runtime::Runtime>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   26:     0x570a1a47a20a - rust_out[999a937b1cc8d0f6]::main
[INFO] [stdout]   27:     0x570a1a4973a3 - <fn() as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   28:     0x570a1a44e9b6 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   29:     0x570a1a46dee9 - std[ec419fa8110287d5]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   30:     0x570a1a6df567 - <&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   31:     0x570a1a6df567 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x570a1a6df567 - std[ec419fa8110287d5]::panicking::catch_unwind::<i32, &dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x570a1a6df567 - std[ec419fa8110287d5]::panic::catch_unwind::<&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x570a1a6df567 - std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:175:24
[INFO] [stdout]   35:     0x570a1a6df567 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x570a1a6df567 - std[ec419fa8110287d5]::panicking::catch_unwind::<isize, std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x570a1a6df567 - std[ec419fa8110287d5]::panic::catch_unwind::<std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x570a1a6df567 - std[ec419fa8110287d5]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:171:5
[INFO] [stdout]   39:     0x570a1a448361 - std[ec419fa8110287d5]::rt::lang_start::<()>
[INFO] [stdout]   40:     0x570a1a4989a5 - main
[INFO] [stdout]   41:     0x74882d9961ca - <unknown>
[INFO] [stdout]   42:     0x74882d99628b - __libc_start_main
[INFO] [stdout]   43:     0x570a1a4346c5 - _start
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - WatchFile::post_serialize (line 102) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (156) panicked at src/lib.rs:23:59:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c4dcd21180a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c4dcd21180a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c4dcd21180a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c4dcd21180a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c4dcd22594a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c4dcd22594a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x5c4dcd2159f2 - std[ec419fa8110287d5]::io::default_write_fmt::<std[ec419fa8110287d5]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5c4dcd2159f2 - <std[ec419fa8110287d5]::sys::stdio::unix::Stderr as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5c4dcd1f7f6f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c4dcd1f7f6f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c4dcd20a211 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5c4dcd20a48b - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5c4dcd1f8028 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5c4dcd1efae9 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5c4dcd1f8cad - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5c4dcd22610c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5c4dcd225e82 - core[35159d6ffb30e017]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5c4dccfe219b - rust_out[999a937b1cc8d0f6]::main::{closure#0}
[INFO] [stdout]   18:     0x5c4dccfda2b6 - <tokio[c5f759d542aae8b8]::runtime::park::CachedParkThread>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   19:     0x5c4dccfb1a56 - <tokio[c5f759d542aae8b8]::runtime::park::CachedParkThread>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   20:     0x5c4dccfae89b - <tokio[c5f759d542aae8b8]::runtime::context::blocking::BlockingRegionGuard>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   21:     0x5c4dccfd972e - <tokio[c5f759d542aae8b8]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   22:     0x5c4dccfc4b9f - tokio[c5f759d542aae8b8]::runtime::context::runtime::enter_runtime::<<tokio[c5f759d542aae8b8]::runtime::scheduler::multi_thread::MultiThread>::block_on<rust_out[999a937b1cc8d0f6]::main::{closure#0}>::{closure#0}, ()>
[INFO] [stdout]   23:     0x5c4dccfae933 - <tokio[c5f759d542aae8b8]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   24:     0x5c4dccfadcf9 - <tokio[c5f759d542aae8b8]::runtime::runtime::Runtime>::block_on_inner::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   25:     0x5c4dccfadf52 - <tokio[c5f759d542aae8b8]::runtime::runtime::Runtime>::block_on::<rust_out[999a937b1cc8d0f6]::main::{closure#0}>
[INFO] [stdout]   26:     0x5c4dccfe6418 - rust_out[999a937b1cc8d0f6]::main
[INFO] [stdout]   27:     0x5c4dccffc013 - <fn() as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   28:     0x5c4dccfc1146 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   29:     0x5c4dccfdc689 - std[ec419fa8110287d5]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   30:     0x5c4dcd209767 - <&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   31:     0x5c4dcd209767 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x5c4dcd209767 - std[ec419fa8110287d5]::panicking::catch_unwind::<i32, &dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x5c4dcd209767 - std[ec419fa8110287d5]::panic::catch_unwind::<&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5c4dcd209767 - std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:175:24
[INFO] [stdout]   35:     0x5c4dcd209767 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x5c4dcd209767 - std[ec419fa8110287d5]::panicking::catch_unwind::<isize, std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5c4dcd209767 - std[ec419fa8110287d5]::panic::catch_unwind::<std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5c4dcd209767 - std[ec419fa8110287d5]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:171:5
[INFO] [stdout]   39:     0x5c4dccfbc071 - std[ec419fa8110287d5]::rt::lang_start::<()>
[INFO] [stdout]   40:     0x5c4dccffd285 - main
[INFO] [stdout]   41:     0x7c04d553b1ca - <unknown>
[INFO] [stdout]   42:     0x7c04d553b28b - __libc_start_main
[INFO] [stdout]   43:     0x5c4dccfab125 - _start
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - WatchFile::post_serialize (line 102)
[INFO] [stdout]     src/lib.rs - WatchFile::save (line 336)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.69s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b31ead19e5876e18d14169c7deffcf49adc244753d76283a0d6a5541d6d39b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b31ead19e5876e18d14169c7deffcf49adc244753d76283a0d6a5541d6d39b61", kill_on_drop: false }`
[INFO] [stdout] b31ead19e5876e18d14169c7deffcf49adc244753d76283a0d6a5541d6d39b61
