[INFO] fetching crate flexi_logger_rotate_writer 0.0.0...
[INFO] testing flexi_logger_rotate_writer-0.0.0 against 1.94.0 for beta-1.95-1
[INFO] extracting crate flexi_logger_rotate_writer 0.0.0 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexi_logger_rotate_writer 0.0.0 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "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" "+1.94.0" "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 flexi_logger v0.17.1 (available: v0.31.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0061e10efbcbe4ef32bb03dcf30beeeba1a5b088abfb7ad811c47d7a6d648c9f
[INFO] running `Command { std: "docker" "start" "-a" "0061e10efbcbe4ef32bb03dcf30beeeba1a5b088abfb7ad811c47d7a6d648c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0061e10efbcbe4ef32bb03dcf30beeeba1a5b088abfb7ad811c47d7a6d648c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0061e10efbcbe4ef32bb03dcf30beeeba1a5b088abfb7ad811c47d7a6d648c9f", kill_on_drop: false }`
[INFO] [stdout] 0061e10efbcbe4ef32bb03dcf30beeeba1a5b088abfb7ad811c47d7a6d648c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b366abb4ecfcd8c19801664c83606b0d6df6d7e407bed61a38f1779f59e6332b
[INFO] running `Command { std: "docker" "start" "-a" "b366abb4ecfcd8c19801664c83606b0d6df6d7e407bed61a38f1779f59e6332b", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling regex v1.12.3
[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 8.06s
[INFO] running `Command { std: "docker" "inspect" "b366abb4ecfcd8c19801664c83606b0d6df6d7e407bed61a38f1779f59e6332b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b366abb4ecfcd8c19801664c83606b0d6df6d7e407bed61a38f1779f59e6332b", kill_on_drop: false }`
[INFO] [stdout] b366abb4ecfcd8c19801664c83606b0d6df6d7e407bed61a38f1779f59e6332b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4f66a3393128b0f8e2e1c2932cf706a3a048e541876ac0aeaf7aa8c97d93021
[INFO] running `Command { std: "docker" "start" "-a" "e4f66a3393128b0f8e2e1c2932cf706a3a048e541876ac0aeaf7aa8c97d93021", 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] [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: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] [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 0.57s
[INFO] running `Command { std: "docker" "inspect" "e4f66a3393128b0f8e2e1c2932cf706a3a048e541876ac0aeaf7aa8c97d93021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f66a3393128b0f8e2e1c2932cf706a3a048e541876ac0aeaf7aa8c97d93021", kill_on_drop: false }`
[INFO] [stdout] e4f66a3393128b0f8e2e1c2932cf706a3a048e541876ac0aeaf7aa8c97d93021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ef8c1febfd18651dcbea2fd41f975d5fecd20a2f91d23d53f12effe52649018
[INFO] running `Command { std: "docker" "start" "-a" "5ef8c1febfd18651dcbea2fd41f975d5fecd20a2f91d23d53f12effe52649018", 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 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexi_logger_rotate_writer-bfee38ed13351c24)
[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 flexi_logger_rotate_writer
[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:     0x5a85e153d952 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a85e153d952 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a85e153d952 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a85e153d952 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a85e154e7da - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a85e154e7da - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x5a85e1515976 - std::io::default_write_fmt::hd49a3027caaa0994
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a85e1515976 - std::io::Write::write_fmt::h6f0185aecf0ed75f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a85e151fd39 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a85e151fd39 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a85e151fb99 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5a85e151ff7b - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5a85e151fdf8 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5a85e151cd89 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5a85e15092ad - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5a85e1552f5c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5a85e1552122 - core::result::unwrap_failed::hf2d1f30a3ac850fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5a85e11e6987 - rust_out::main::_doctest_main_src_lib_rs_9_0::h865b262c22023bd8
[INFO] [stdout]   18:     0x5a85e11e6896 - rust_out::main::h1d5d9cc717612345
[INFO] [stdout]   19:     0x5a85e11e5c73 - core::ops::function::FnOnce::call_once::he8fbd57a2bdb8de4
[INFO] [stdout]   20:     0x5a85e11e56d6 - std::sys::backtrace::__rust_begin_short_backtrace::h3d7d4fbbe21d8c6a
[INFO] [stdout]   21:     0x5a85e11e53d9 - std::rt::lang_start::{{closure}}::he8b303f9f75577a3
[INFO] [stdout]   22:     0x5a85e1517276 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6cf6e1b4b1f98539
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5a85e1517276 - std::panicking::catch_unwind::do_call::h174840425564edbd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x5a85e1517276 - std::panicking::catch_unwind::had0fde8b5d7282ba
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x5a85e1517276 - std::panic::catch_unwind::hdb1c6876cc6d1988
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5a85e1517276 - std::rt::lang_start_internal::{{closure}}::h9a3342d69e945811
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5a85e1517276 - std::panicking::catch_unwind::do_call::haba617e1655662f0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5a85e1517276 - std::panicking::catch_unwind::hdcb3b0cdc4ef023b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5a85e1517276 - std::panic::catch_unwind::hd7496902866db161
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5a85e1517276 - std::rt::lang_start_internal::h9f282d832ae47dd5
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5a85e11e53c1 - std::rt::lang_start::h0508fb788dac5655
[INFO] [stdout]   32:     0x5a85e11e6d25 - main
[INFO] [stdout]   33:     0x74987c6421ca - <unknown>
[INFO] [stdout]   34:     0x74987c64228b - __libc_start_main
[INFO] [stdout]   35:     0x5a85e11e4745 - _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 0.90s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5ef8c1febfd18651dcbea2fd41f975d5fecd20a2f91d23d53f12effe52649018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef8c1febfd18651dcbea2fd41f975d5fecd20a2f91d23d53f12effe52649018", kill_on_drop: false }`
[INFO] [stdout] 5ef8c1febfd18651dcbea2fd41f975d5fecd20a2f91d23d53f12effe52649018
