[INFO] cloning repository https://github.com/ofersadan85/watchfile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ofersadan85/watchfile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fofersadan85%2Fwatchfile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fofersadan85%2Fwatchfile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d813fabc95fda6fabe4fd6299570a956e8b6f38f
[INFO] testing ofersadan85/watchfile against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fofersadan85%2Fwatchfile" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ofersadan85/watchfile
[INFO] finished tweaking git repo https://github.com/ofersadan85/watchfile
[INFO] tweaked toml for git repo https://github.com/ofersadan85/watchfile written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ofersadan85/watchfile on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ofersadan85/watchfile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76e68811f8e9be4cc1523f6bfff9b77969c3d9c19f4325c686cce05d29974f2c
[INFO] running `Command { std: "docker" "start" "-a" "76e68811f8e9be4cc1523f6bfff9b77969c3d9c19f4325c686cce05d29974f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e68811f8e9be4cc1523f6bfff9b77969c3d9c19f4325c686cce05d29974f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e68811f8e9be4cc1523f6bfff9b77969c3d9c19f4325c686cce05d29974f2c", kill_on_drop: false }`
[INFO] [stdout] 76e68811f8e9be4cc1523f6bfff9b77969c3d9c19f4325c686cce05d29974f2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 472497c66337215562894b5eafe9fb808ee887959ac8f2ece65f202c8329b93d
[INFO] running `Command { std: "docker" "start" "-a" "472497c66337215562894b5eafe9fb808ee887959ac8f2ece65f202c8329b93d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling watchfile v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.56s
[INFO] running `Command { std: "docker" "inspect" "472497c66337215562894b5eafe9fb808ee887959ac8f2ece65f202c8329b93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472497c66337215562894b5eafe9fb808ee887959ac8f2ece65f202c8329b93d", kill_on_drop: false }`
[INFO] [stdout] 472497c66337215562894b5eafe9fb808ee887959ac8f2ece65f202c8329b93d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] a18e78e1b845a0fe43fb7e1e46eee4f81e496aa2cb13bd08dab2b9f7e354910d
[INFO] running `Command { std: "docker" "start" "-a" "a18e78e1b845a0fe43fb7e1e46eee4f81e496aa2cb13bd08dab2b9f7e354910d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling watchfile v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 38.95s
[INFO] running `Command { std: "docker" "inspect" "a18e78e1b845a0fe43fb7e1e46eee4f81e496aa2cb13bd08dab2b9f7e354910d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a18e78e1b845a0fe43fb7e1e46eee4f81e496aa2cb13bd08dab2b9f7e354910d", kill_on_drop: false }`
[INFO] [stdout] a18e78e1b845a0fe43fb7e1e46eee4f81e496aa2cb13bd08dab2b9f7e354910d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 2509fa296ab6fd7bdf30a729e8bb2902a77118a4e3d174ca9b46c2c7e468654e
[INFO] running `Command { std: "docker" "start" "-a" "2509fa296ab6fd7bdf30a729e8bb2902a77118a4e3d174ca9b46c2c7e468654e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/watchfile/9409510d469aa9d1/deps/watchfile-9409510d469aa9d1)
[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::post_serialize (line 102) ... FAILED
[INFO] [stdout] test src/lib.rs - WatchFile::save (line 336) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[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' (142) 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:     0x5c24be83a852 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c24be83a852 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c24be83a852 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c24be83a852 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c24be84f53a - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c24be84f53a - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x5c24be83f256 - std[840933623431fd06]::io::default_write_fmt::<std[840933623431fd06]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c24be83f256 - <std[840933623431fd06]::sys::stdio::unix::Stderr as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5c24be82044f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c24be82044f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c24be8330a1 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5c24be83330b - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5c24be820508 - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5c24be817ff9 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5c24be8212cd - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5c24be84fc7c - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5c24be84f9f2 - core[8f93d80df273fe75]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5c24be5fa46b - rust_out[c8cdd22bfd421af4]::main::{closure#0}
[INFO] [stdout]   18:     0x5c24be5f2486 - <tokio[6d5fe09e2401eb49]::runtime::park::CachedParkThread>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   19:     0x5c24be5ca436 - <tokio[6d5fe09e2401eb49]::runtime::park::CachedParkThread>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   20:     0x5c24be5c71cb - <tokio[6d5fe09e2401eb49]::runtime::context::blocking::BlockingRegionGuard>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   21:     0x5c24be5f18de - <tokio[6d5fe09e2401eb49]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   22:     0x5c24be5dcd6f - tokio[6d5fe09e2401eb49]::runtime::context::runtime::enter_runtime::<<tokio[6d5fe09e2401eb49]::runtime::scheduler::multi_thread::MultiThread>::block_on<rust_out[c8cdd22bfd421af4]::main::{closure#0}>::{closure#0}, ()>
[INFO] [stdout]   23:     0x5c24be5c7263 - <tokio[6d5fe09e2401eb49]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   24:     0x5c24be5c65c9 - <tokio[6d5fe09e2401eb49]::runtime::runtime::Runtime>::block_on_inner::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   25:     0x5c24be5c681d - <tokio[6d5fe09e2401eb49]::runtime::runtime::Runtime>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   26:     0x5c24be5fe5fa - rust_out[c8cdd22bfd421af4]::main
[INFO] [stdout]   27:     0x5c24be615163 - <fn() as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   28:     0x5c24be5d9306 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   29:     0x5c24be5f4789 - std[840933623431fd06]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   30:     0x5c24be8325e6 - <&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   31:     0x5c24be8325e6 - std[840933623431fd06]::panicking::catch_unwind::do_call::<&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x5c24be8325e6 - std[840933623431fd06]::panicking::catch_unwind::<i32, &dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x5c24be8325e6 - std[840933623431fd06]::panic::catch_unwind::<&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5c24be8325e6 - std[840933623431fd06]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/rt.rs:175:24
[INFO] [stdout]   35:     0x5c24be8325e6 - std[840933623431fd06]::panicking::catch_unwind::do_call::<std[840933623431fd06]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x5c24be8325e6 - std[840933623431fd06]::panicking::catch_unwind::<isize, std[840933623431fd06]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5c24be8325e6 - std[840933623431fd06]::panic::catch_unwind::<std[840933623431fd06]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5c24be8325e6 - std[840933623431fd06]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/rt.rs:171:5
[INFO] [stdout]   39:     0x5c24be5d1531 - std[840933623431fd06]::rt::lang_start::<()>
[INFO] [stdout]   40:     0x5c24be6166d5 - main
[INFO] [stdout]   41:     0x7160faad21ca - <unknown>
[INFO] [stdout]   42:     0x7160faad228b - __libc_start_main
[INFO] [stdout]   43:     0x5c24be5c3ac5 - _start
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[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' (153) panicked at src/lib.rs:20:44:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x615d536ee202 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x615d536ee202 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x615d536ee202 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x615d536ee202 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x615d5370387a - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x615d5370387a - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x615d536f2c06 - std[840933623431fd06]::io::default_write_fmt::<std[840933623431fd06]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x615d536f2c06 - <std[840933623431fd06]::sys::stdio::unix::Stderr as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x615d536d3dff - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x615d536d3dff - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x615d536e6a51 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x615d536e6cbb - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x615d536d3eb8 - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x615d536cb9a9 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x615d536d4c7d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x615d53703fbc - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x615d53703d32 - core[8f93d80df273fe75]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x615d5346b135 - rust_out[c8cdd22bfd421af4]::main::{closure#0}
[INFO] [stdout]   18:     0x615d534612b6 - <tokio[6d5fe09e2401eb49]::runtime::park::CachedParkThread>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   19:     0x615d53431d06 - <tokio[6d5fe09e2401eb49]::runtime::park::CachedParkThread>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   20:     0x615d5342e8cb - <tokio[6d5fe09e2401eb49]::runtime::context::blocking::BlockingRegionGuard>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   21:     0x615d5346070e - <tokio[6d5fe09e2401eb49]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>::{closure#0}
[INFO] [stdout]   22:     0x615d534486af - tokio[6d5fe09e2401eb49]::runtime::context::runtime::enter_runtime::<<tokio[6d5fe09e2401eb49]::runtime::scheduler::multi_thread::MultiThread>::block_on<rust_out[c8cdd22bfd421af4]::main::{closure#0}>::{closure#0}, ()>
[INFO] [stdout]   23:     0x615d5342e963 - <tokio[6d5fe09e2401eb49]::runtime::scheduler::multi_thread::MultiThread>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   24:     0x615d5342dcc9 - <tokio[6d5fe09e2401eb49]::runtime::runtime::Runtime>::block_on_inner::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   25:     0x615d5342df1d - <tokio[6d5fe09e2401eb49]::runtime::runtime::Runtime>::block_on::<rust_out[c8cdd22bfd421af4]::main::{closure#0}>
[INFO] [stdout]   26:     0x615d5346ffea - rust_out[c8cdd22bfd421af4]::main
[INFO] [stdout]   27:     0x615d5348e313 - <fn() as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   28:     0x615d53444486 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   29:     0x615d53463979 - std[840933623431fd06]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   30:     0x615d536e5f96 - <&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   31:     0x615d536e5f96 - std[840933623431fd06]::panicking::catch_unwind::do_call::<&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x615d536e5f96 - std[840933623431fd06]::panicking::catch_unwind::<i32, &dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x615d536e5f96 - std[840933623431fd06]::panic::catch_unwind::<&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x615d536e5f96 - std[840933623431fd06]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/rt.rs:175:24
[INFO] [stdout]   35:     0x615d536e5f96 - std[840933623431fd06]::panicking::catch_unwind::do_call::<std[840933623431fd06]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x615d536e5f96 - std[840933623431fd06]::panicking::catch_unwind::<isize, std[840933623431fd06]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x615d536e5f96 - std[840933623431fd06]::panic::catch_unwind::<std[840933623431fd06]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x615d536e5f96 - std[840933623431fd06]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/rt.rs:171:5
[INFO] [stdout]   39:     0x615d5343a2c1 - std[840933623431fd06]::rt::lang_start::<()>
[INFO] [stdout]   40:     0x615d5348fc95 - main
[INFO] [stdout]   41:     0x737a08a061ca - <unknown>
[INFO] [stdout]   42:     0x737a08a0628b - __libc_start_main
[INFO] [stdout]   43:     0x615d5342ad15 - _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 5.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2509fa296ab6fd7bdf30a729e8bb2902a77118a4e3d174ca9b46c2c7e468654e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2509fa296ab6fd7bdf30a729e8bb2902a77118a4e3d174ca9b46c2c7e468654e", kill_on_drop: false }`
[INFO] [stdout] 2509fa296ab6fd7bdf30a729e8bb2902a77118a4e3d174ca9b46c2c7e468654e
