[INFO] fetching crate currant 0.2.8...
[INFO] testing currant-0.2.8 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate currant 0.2.8 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate currant 0.2.8
[INFO] finished tweaking crates.io crate currant 0.2.8
[INFO] tweaked toml for crates.io crate currant 0.2.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate currant 0.2.8 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] crate crates.io crate currant 0.2.8 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.24.1
[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] a94c51824837977bd56f9371415c477c1d5b3389f0993b7847def320b816b0d6
[INFO] running `Command { std: "docker" "start" "-a" "a94c51824837977bd56f9371415c477c1d5b3389f0993b7847def320b816b0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a94c51824837977bd56f9371415c477c1d5b3389f0993b7847def320b816b0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94c51824837977bd56f9371415c477c1d5b3389f0993b7847def320b816b0d6", kill_on_drop: false }`
[INFO] [stdout] a94c51824837977bd56f9371415c477c1d5b3389f0993b7847def320b816b0d6
[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] 53bc606fad93b0de289ad656c5aec1b13cf33a7fdca79dcfa66abd2b31e66cc1
[INFO] running `Command { std: "docker" "start" "-a" "53bc606fad93b0de289ad656c5aec1b13cf33a7fdca79dcfa66abd2b31e66cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling nix v0.24.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling currant v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "53bc606fad93b0de289ad656c5aec1b13cf33a7fdca79dcfa66abd2b31e66cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53bc606fad93b0de289ad656c5aec1b13cf33a7fdca79dcfa66abd2b31e66cc1", kill_on_drop: false }`
[INFO] [stdout] 53bc606fad93b0de289ad656c5aec1b13cf33a7fdca79dcfa66abd2b31e66cc1
[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] 1d280791e49ce93788f1df99a87ce58a6ed0ccd9c40b9e1ba5a0cd7074977a40
[INFO] running `Command { std: "docker" "start" "-a" "1d280791e49ce93788f1df99a87ce58a6ed0ccd9c40b9e1ba5a0cd7074977a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling currant v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "1d280791e49ce93788f1df99a87ce58a6ed0ccd9c40b9e1ba5a0cd7074977a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d280791e49ce93788f1df99a87ce58a6ed0ccd9c40b9e1ba5a0cd7074977a40", kill_on_drop: false }`
[INFO] [stdout] 1d280791e49ce93788f1df99a87ce58a6ed0ccd9c40b9e1ba5a0cd7074977a40
[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] 3bd8feb1b9b797e2886722eea6ee640fb7ea373b18abef1d86949e3214cc3272
[INFO] running `Command { std: "docker" "start" "-a" "3bd8feb1b9b797e2886722eea6ee640fb7ea373b18abef1d86949e3214cc3272", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/currant-f327901d70121e34)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::command_empty ... ok
[INFO] [stdout] test test::command_not_found ... ok
[INFO] [stdout] SYSTEM: starting process test2
[INFO] [stdout] SYSTEM: starting process test3
[INFO] [stdout] SYSTEM: starting process test1
[INFO] [stdout] test color::tests::test_theta_to_rgb ... ok
[INFO] [stdout] test1: total 48
[INFO] [stdout] test1: drwxr-xr-x 3 root root 4096 Jan  7 15:03 .
[INFO] [stdout] test1: drwxr-xr-x 6 root root 4096 Jan  7 15:03 ..
[INFO] [stdout] test1: -rw-r--r-- 1 root root   94 Jan  1  1970 .cargo_vcs_info.json
[INFO] [stdout] test1: -rw-r--r-- 1 root root    8 Nov 29  1973 .gitignore
[INFO] [stdout] test1: -rw-r--r-- 1 root root 4172 Jan  1  1970 Cargo.lock
[INFO] [stdout] test1: -rw-r--r-- 1 root root  560 Jan  7 15:03 Cargo.toml
[INFO] [stdout] test1: -rw-r--r-- 1 root root  574 Nov 29  1973 Cargo.toml.orig
[INFO] [stdout] test1: -rw-r--r-- 1 root root 1068 Nov 29  1973 LICENSE
[INFO] [stdout] test1: -rw-r--r-- 1 root root  420 Nov 29  1973 README.md
[INFO] [stdout] test1: -rw-r--r-- 1 root root 3838 Nov 29  1973 infrastructure.md
[INFO] [stdout] test1: drwxr-xr-x 2 root root 4096 Jan  7 15:03 src
[INFO] [stdout] test1: process exited with status: 0
[INFO] [stdout] test3: total 68
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Jan  7 15:03 .
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Jan  7 15:03 ..
[INFO] [stdout] test3: -rwxr-xr-x   1 root root    0 Jan  7 15:03 .dockerenv
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    7 Apr 22  2024 bin -> usr/bin
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Jul 10 14:46 bin.usr-is-merged
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Apr 22  2024 boot
[INFO] [stdout] test3: drwxr-xr-x   5 root root  340 Jan  7 15:03 dev
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Jan  7 15:03 etc
[INFO] [stdout] test3: drwxr-xr-x   3 root root 4096 Oct 13 14:09 home
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    7 Apr 22  2024 lib -> usr/lib
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Nov 14  2024 lib.usr-is-merged
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    9 Dec 18 16:35 lib32 -> usr/lib32
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    9 Apr 22  2024 lib64 -> usr/lib64
[INFO] [stdout] test3: lrwxrwxrwx   1 root root   10 Dec 18 16:35 libx32 -> usr/libx32
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Oct 13 14:02 media
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Oct 13 14:02 mnt
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Jan  7 15:03 opt
[INFO] [stdout] test3: dr-xr-xr-x 405 root root    0 Jan  7 15:03 proc
[INFO] [stdout] test3: drwx------   1 root root 4096 Dec 18 16:34 root
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Dec 18 16:37 run
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    8 Apr 22  2024 sbin -> usr/sbin
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Jul 10 14:46 sbin.usr-is-merged
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Oct 13 14:02 srv
[INFO] [stdout] test3: dr-xr-xr-x  13 root root    0 Jan  7 15:03 sys
[INFO] [stdout] test3: drwxrwxrwt   1 root root 4096 Dec 18 16:37 tmp
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Dec 18 16:36 usr
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Oct 13 14:09 var
[INFO] [stdout] test3: process exited with status: 0
[INFO] [stdout] test2: total 24
[INFO] [stdout] test2: drwxr-xr-x 6 root root 4096 Jan  7 15:03 .
[INFO] [stdout] test2: drwxr-xr-x 1 root root 4096 Jan  7 15:03 ..
[INFO] [stdout] test2: drwxr-xr-x 4 root root 4096 Jan  7 15:03 cargo-home
[INFO] [stdout] test2: drwxr-xr-x 6 root root 4096 Jan  6 20:27 rustup-home
[INFO] [stdout] test2: drwxr-xr-x 6 root root 4096 Jan  7 14:44 target
[INFO] [stdout] test2: drwxr-xr-x 3 root root 4096 Jan  7 15:03 workdir
[INFO] [stdout] test2: process exited with status: 0
[INFO] [stdout] test standard_out_api::tests::run_commands ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests currant
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Command::from_string (line 166) ... ok
[INFO] [stdout] test src/lib.rs - Command::from_argv (line 120) ... ok
[INFO] [stdout] test src/writer_api.rs - writer_api::WriterCommand (line 16) ... FAILED
[INFO] [stdout] test src/standard_out_api.rs - standard_out_api::ConsoleCommand (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Command::env (line 200) ... ok
[INFO] [stdout] test src/channel_api.rs - channel_api::ChannelCommand (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Runner (line 350) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/writer_api.rs - writer_api::WriterCommand (line 16) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (193) panicked at src/writer_api.rs:13:48:
[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:     0x5f72a2e3f4a2 - 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:     0x5f72a2e3f4a2 - 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:     0x5f72a2e3f4a2 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f72a2e3f4a2 - <<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:     0x5f72a2e51fea - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f72a2e51fea - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x5f72a2e43ef6 - 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:     0x5f72a2e43ef6 - <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:     0x5f72a2e2191f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f72a2e2191f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f72a2e3a081 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5f72a2e3a23b - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5f72a2e219d8 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5f72a2e16ba9 - 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:     0x5f72a2e2237d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5f72a2e526fc - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5f72a2e52472 - core[27de1724e4349be2]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5f72a2d93581 - rust_out[8e547ba4386cb4c9]::main
[INFO] [stdout]   18:     0x5f72a2d95f73 - <fn() as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   19:     0x5f72a2d91956 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   20:     0x5f72a2d92c79 - std[3b51380354919863]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   21:     0x5f72a2e392d6 - <&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]   22:     0x5f72a2e392d6 - 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]   23:     0x5f72a2e392d6 - 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]   24:     0x5f72a2e392d6 - 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]   25:     0x5f72a2e392d6 - std[3b51380354919863]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/rt.rs:175:24
[INFO] [stdout]   26:     0x5f72a2e392d6 - 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]   27:     0x5f72a2e392d6 - 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]   28:     0x5f72a2e392d6 - 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]   29:     0x5f72a2e392d6 - std[3b51380354919863]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/rt.rs:171:5
[INFO] [stdout]   30:     0x5f72a2d903f1 - std[3b51380354919863]::rt::lang_start::<()>
[INFO] [stdout]   31:     0x5f72a2d96245 - main
[INFO] [stdout]   32:     0x75c46bf801ca - <unknown>
[INFO] [stdout]   33:     0x75c46bf8028b - __libc_start_main
[INFO] [stdout]   34:     0x5f72a2d8f635 - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/writer_api.rs - writer_api::WriterCommand (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.94s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3bd8feb1b9b797e2886722eea6ee640fb7ea373b18abef1d86949e3214cc3272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd8feb1b9b797e2886722eea6ee640fb7ea373b18abef1d86949e3214cc3272", kill_on_drop: false }`
[INFO] [stdout] 3bd8feb1b9b797e2886722eea6ee640fb7ea373b18abef1d86949e3214cc3272
