[INFO] fetching crate flexi_logger_rotate_writer 0.0.0...
[INFO] testing flexi_logger_rotate_writer-0.0.0 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate flexi_logger_rotate_writer 0.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate flexi_logger_rotate_writer 0.0.0
[INFO] finished tweaking crates.io crate flexi_logger_rotate_writer 0.0.0
[INFO] tweaked toml for crates.io crate flexi_logger_rotate_writer 0.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexi_logger_rotate_writer 0.0.0 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding flexi_logger v0.17.1 (available: v0.31.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flexi_logger v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34ff19f59eb149334b89b8ba726c58c692845a8a3b2df4d31dac38ad8a288809
[INFO] running `Command { std: "docker" "start" "-a" "34ff19f59eb149334b89b8ba726c58c692845a8a3b2df4d31dac38ad8a288809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ff19f59eb149334b89b8ba726c58c692845a8a3b2df4d31dac38ad8a288809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ff19f59eb149334b89b8ba726c58c692845a8a3b2df4d31dac38ad8a288809", kill_on_drop: false }`
[INFO] [stdout] 34ff19f59eb149334b89b8ba726c58c692845a8a3b2df4d31dac38ad8a288809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04651a261e8233f78a8164e9aca3e02a71afb0e93f0ea31e95d079810590cd69
[INFO] running `Command { std: "docker" "start" "-a" "04651a261e8233f78a8164e9aca3e02a71afb0e93f0ea31e95d079810590cd69", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling flexi_logger v0.17.1
[INFO] [stderr]    Compiling flexi_logger_rotate_writer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]  --> src/state.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::{Date, Datelike, Local};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> src/state.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     created_at: Date<Local>,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> src/state.rs:82:23
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn get_filepath(date: Date<Local>, config: &FilenameConfig) -> PathBuf {
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> src/state.rs:90:71
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn open_log_file(config: &Config) -> IoResult<(Box<dyn Write + Send>, Date<Local>)> {
[INFO] [stdout]    |                                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stdout]   --> src/state.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let today = Local::today();
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stdout]   --> src/state.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let today = Local::today();
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.16s
[INFO] running `Command { std: "docker" "inspect" "04651a261e8233f78a8164e9aca3e02a71afb0e93f0ea31e95d079810590cd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04651a261e8233f78a8164e9aca3e02a71afb0e93f0ea31e95d079810590cd69", kill_on_drop: false }`
[INFO] [stdout] 04651a261e8233f78a8164e9aca3e02a71afb0e93f0ea31e95d079810590cd69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 835b78eacc3f5765b66b220d222f5886a56d2deaa3d8fbeadbbcbeb892428694
[INFO] running `Command { std: "docker" "start" "-a" "835b78eacc3f5765b66b220d222f5886a56d2deaa3d8fbeadbbcbeb892428694", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]  --> src/state.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::{Date, Datelike, Local};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> src/state.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     created_at: Date<Local>,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> src/state.rs:82:23
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn get_filepath(date: Date<Local>, config: &FilenameConfig) -> PathBuf {
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> src/state.rs:90:71
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn open_log_file(config: &Config) -> IoResult<(Box<dyn Write + Send>, Date<Local>)> {
[INFO] [stdout]    |                                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stdout]   --> src/state.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let today = Local::today();
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stdout]   --> src/state.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let today = Local::today();
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling flexi_logger_rotate_writer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]  --> src/state.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::{Date, Datelike, Local};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> src/state.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     created_at: Date<Local>,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> src/state.rs:82:23
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn get_filepath(date: Date<Local>, config: &FilenameConfig) -> PathBuf {
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> src/state.rs:90:71
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn open_log_file(config: &Config) -> IoResult<(Box<dyn Write + Send>, Date<Local>)> {
[INFO] [stdout]    |                                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stdout]   --> src/state.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let today = Local::today();
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stdout]   --> src/state.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let today = Local::today();
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "835b78eacc3f5765b66b220d222f5886a56d2deaa3d8fbeadbbcbeb892428694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835b78eacc3f5765b66b220d222f5886a56d2deaa3d8fbeadbbcbeb892428694", kill_on_drop: false }`
[INFO] [stdout] 835b78eacc3f5765b66b220d222f5886a56d2deaa3d8fbeadbbcbeb892428694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 124b61f7999153baf7afbafb44bf71212f15861191f54e36db5e2f5318a1b253
[INFO] running `Command { std: "docker" "start" "-a" "124b61f7999153baf7afbafb44bf71212f15861191f54e36db5e2f5318a1b253", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stderr]  --> src/state.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 | use chrono::{Date, Datelike, Local};
[INFO] [stderr]   |              ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stderr]   --> src/state.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |     created_at: Date<Local>,
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stderr]   --> src/state.rs:82:23
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn get_filepath(date: Date<Local>, config: &FilenameConfig) -> PathBuf {
[INFO] [stderr]    |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stderr]   --> src/state.rs:90:71
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn open_log_file(config: &Config) -> IoResult<(Box<dyn Write + Send>, Date<Local>)> {
[INFO] [stderr]    |                                                                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stderr]   --> src/state.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let today = Local::today();
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `chrono::Local::today`: use `Local::now()` instead
[INFO] [stderr]   --> src/state.rs:91:24
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let today = Local::today();
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `flexi_logger_rotate_writer` (lib) generated 6 warnings
[INFO] [stderr] warning: `flexi_logger_rotate_writer` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexi_logger_rotate_writer-6f8e755047c63f03)
[INFO] [stderr]    Doc-tests flexi_logger_rotate_writer
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (55) panicked at src/lib.rs:12:6:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: OutputIo(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c9e49a76f62 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c9e49a76f62 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c9e49a76f62 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c9e49a76f62 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c9e49a8dc8a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c9e49a8dc8a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x5c9e49a7dea6 - std[3b51380354919863]::io::default_write_fmt::<std[3b51380354919863]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c9e49a7dea6 - <std[3b51380354919863]::sys::stdio::unix::Stderr as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5c9e49a5dadf - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c9e49a5dadf - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c9e49a713c1 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5c9e49a7157b - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5c9e49a5db98 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5c9e49a52c69 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5c9e49a5e6bd - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5c9e49a8e44c - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5c9e49a8e1c2 - core[27de1724e4349be2]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5c9e49725a67 - rust_out[8e547ba4386cb4c9]::main::_doctest_main_src_lib_rs_9_0
[INFO] [stdout]   18:     0x5c9e49725626 - rust_out[8e547ba4386cb4c9]::main
[INFO] [stdout]   19:     0x5c9e49726a13 - <fn() as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x5c9e49724c86 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x5c9e49724d39 - std[3b51380354919863]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x5c9e49a70356 - <&dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5c9e49a70356 - std[3b51380354919863]::panicking::catch_unwind::do_call::<&dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x5c9e49a70356 - std[3b51380354919863]::panicking::catch_unwind::<i32, &dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x5c9e49a70356 - std[3b51380354919863]::panic::catch_unwind::<&dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5c9e49a70356 - std[3b51380354919863]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5c9e49a70356 - std[3b51380354919863]::panicking::catch_unwind::do_call::<std[3b51380354919863]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5c9e49a70356 - std[3b51380354919863]::panicking::catch_unwind::<isize, std[3b51380354919863]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5c9e49a70356 - std[3b51380354919863]::panic::catch_unwind::<std[3b51380354919863]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5c9e49a70356 - std[3b51380354919863]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5c9e49724c71 - std[3b51380354919863]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x5c9e49726b25 - main
[INFO] [stdout]   33:     0x7261736b21ca - <unknown>
[INFO] [stdout]   34:     0x7261736b228b - __libc_start_main
[INFO] [stdout]   35:     0x5c9e497243d5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "124b61f7999153baf7afbafb44bf71212f15861191f54e36db5e2f5318a1b253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124b61f7999153baf7afbafb44bf71212f15861191f54e36db5e2f5318a1b253", kill_on_drop: false }`
[INFO] [stdout] 124b61f7999153baf7afbafb44bf71212f15861191f54e36db5e2f5318a1b253
