[INFO] fetching crate currant 0.2.8...
[INFO] testing currant-0.2.8 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate currant 0.2.8 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate currant 0.2.8 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ba19587361ba94d1dadbc7523b4457e9aa63c210ef4b54860235c021244d1de
[INFO] running `Command { std: "docker" "start" "-a" "5ba19587361ba94d1dadbc7523b4457e9aa63c210ef4b54860235c021244d1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba19587361ba94d1dadbc7523b4457e9aa63c210ef4b54860235c021244d1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba19587361ba94d1dadbc7523b4457e9aa63c210ef4b54860235c021244d1de", kill_on_drop: false }`
[INFO] [stdout] 5ba19587361ba94d1dadbc7523b4457e9aa63c210ef4b54860235c021244d1de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 092af53a9f0e17344c225415ce8fa8d602f8ce8585ec758be0f9abeeafe2841e
[INFO] running `Command { std: "docker" "start" "-a" "092af53a9f0e17344c225415ce8fa8d602f8ce8585ec758be0f9abeeafe2841e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.24.1
[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 8.44s
[INFO] running `Command { std: "docker" "inspect" "092af53a9f0e17344c225415ce8fa8d602f8ce8585ec758be0f9abeeafe2841e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092af53a9f0e17344c225415ce8fa8d602f8ce8585ec758be0f9abeeafe2841e", kill_on_drop: false }`
[INFO] [stdout] 092af53a9f0e17344c225415ce8fa8d602f8ce8585ec758be0f9abeeafe2841e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e29f5151f64dccebebe4a643c45085f2c97593da2c7c9df275d0097f14e37e
[INFO] running `Command { std: "docker" "start" "-a" "75e29f5151f64dccebebe4a643c45085f2c97593da2c7c9df275d0097f14e37e", kill_on_drop: false }`
[INFO] [stderr]    Compiling currant v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "75e29f5151f64dccebebe4a643c45085f2c97593da2c7c9df275d0097f14e37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e29f5151f64dccebebe4a643c45085f2c97593da2c7c9df275d0097f14e37e", kill_on_drop: false }`
[INFO] [stdout] 75e29f5151f64dccebebe4a643c45085f2c97593da2c7c9df275d0097f14e37e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9afe78c6f64625157a8e900639402e57d762bf8ef054576743bcbdf63448e488
[INFO] running `Command { std: "docker" "start" "-a" "9afe78c6f64625157a8e900639402e57d762bf8ef054576743bcbdf63448e488", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/currant-7280cf3eeaa67ab3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test color::tests::test_theta_to_rgb ... ok
[INFO] [stdout] test test::command_empty ... ok
[INFO] [stdout] test test::command_not_found ... ok
[INFO] [stdout] SYSTEM: starting process test1
[INFO] [stdout] SYSTEM: starting process test2
[INFO] [stdout] SYSTEM: starting process test3
[INFO] [stdout] test1: total 48
[INFO] [stdout] test1: drwxr-xr-x 3 root root 4096 Dec 15 03:16 .
[INFO] [stdout] test1: drwxr-xr-x 6 root root 4096 Dec 15 03:16 ..
[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 Dec 15 03:16 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 Dec 15 03:16 src
[INFO] [stdout] test1: process exited with status: 0
[INFO] [stdout] test2: total 24
[INFO] [stdout] test2: drwxr-xr-x 6 root root 4096 Dec 15 03:16 .
[INFO] [stdout] test2: drwxr-xr-x 1 root root 4096 Dec 15 03:16 ..
[INFO] [stdout] test2: drwxr-xr-x 5 root root 4096 Dec 15 03:16 cargo-home
[INFO] [stdout] test2: drwxr-xr-x 6 root root 4096 Dec 14 17:08 rustup-home
[INFO] [stdout] test2: drwxr-xr-x 3 root root 4096 Dec 15 03:16 target
[INFO] [stdout] test2: drwxr-xr-x 3 root root 4096 Dec 15 03:16 workdir
[INFO] [stdout] test2: process exited with status: 0
[INFO] [stdout] test3: total 56
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Dec 15 03:16 .
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Dec 15 03:16 ..
[INFO] [stdout] test3: -rwxr-xr-x   1 root root    0 Dec 15 03:16 .dockerenv
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    7 Sep 11 14:04 bin -> usr/bin
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Apr 18  2022 boot
[INFO] [stdout] test3: drwxr-xr-x   5 root root  340 Dec 15 03:16 dev
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Dec 15 03:16 etc
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Apr 18  2022 home
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    7 Sep 11 14:04 lib -> usr/lib
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    9 Sep 11 14:04 lib32 -> usr/lib32
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    9 Sep 11 14:04 lib64 -> usr/lib64
[INFO] [stdout] test3: lrwxrwxrwx   1 root root   10 Sep 11 14:04 libx32 -> usr/libx32
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Sep 11 14:04 media
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Sep 11 14:04 mnt
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Dec 15 03:16 opt
[INFO] [stdout] test3: dr-xr-xr-x 425 root root    0 Dec 15 03:16 proc
[INFO] [stdout] test3: drwx------   2 root root 4096 Sep 11 14:07 root
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Dec  6 06:19 run
[INFO] [stdout] test3: lrwxrwxrwx   1 root root    8 Sep 11 14:04 sbin -> usr/sbin
[INFO] [stdout] test3: drwxr-xr-x   2 root root 4096 Sep 11 14:04 srv
[INFO] [stdout] test3: dr-xr-xr-x  13 root root    0 Dec 15 03:16 sys
[INFO] [stdout] test3: drwxrwxrwt   1 root root 4096 Dec  6 06:19 tmp
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Dec  6 06:18 usr
[INFO] [stdout] test3: drwxr-xr-x   1 root root 4096 Sep 11 14:07 var
[INFO] [stdout] test3: 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 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests currant
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/writer_api.rs - writer_api::WriterCommand (line 16) ... FAILED
[INFO] [stdout] test src/lib.rs - Command::from_string (line 166) ... 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 - Command::from_argv (line 120) ... ok
[INFO] [stdout] test src/lib.rs - Runner (line 350) ... ok
[INFO] [stdout] test src/standard_out_api.rs - standard_out_api::ConsoleCommand (line 21) ... 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] thread 'main' 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:     0x643fa448b74a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x643fa448b74a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x643fa448b74a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x643fa448b74a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x643fa44ab6e3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x643fa44ab6e3 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x643fa4488e33 - std::io::Write::write_fmt::h7b09c64fe0be9c84
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x643fa448b592 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x643fa448c6dc - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x643fa448c522 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x643fa448ccb7 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x643fa448cb4a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   12:     0x643fa448bc29 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x643fa448c7dc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x643fa43e1bd0 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   15:     0x643fa43e1fe6 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   16:     0x643fa43e865f - rust_out::main::h86d391cc11b8a827
[INFO] [stdout]   17:     0x643fa43e43c3 - core::ops::function::FnOnce::call_once::hd1e0b33d350e8c2e
[INFO] [stdout]   18:     0x643fa43e2d16 - std::sys::backtrace::__rust_begin_short_backtrace::hb7c4fd168269da08
[INFO] [stdout]   19:     0x643fa43e2ce9 - std::rt::lang_start::{{closure}}::h7630186e3858a44d
[INFO] [stdout]   20:     0x643fa448563e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfdb85f4ee94732d3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   21:     0x643fa448563e - std::panicking::try::do_call::h6e577310f330cbef
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   22:     0x643fa448563e - std::panicking::try::ha588d438267d2645
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   23:     0x643fa448563e - std::panic::catch_unwind::h429fda1e025f26d9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   24:     0x643fa448563e - std::rt::lang_start_internal::{{closure}}::h7b731265e841c4bf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/rt.rs:174:48
[INFO] [stdout]   25:     0x643fa448563e - std::panicking::try::do_call::hc0f6a675b7ae5a36
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   26:     0x643fa448563e - std::panicking::try::h4c93b7ff0671f1ff
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   27:     0x643fa448563e - std::panic::catch_unwind::hcc1e154961d16ce6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   28:     0x643fa448563e - std::rt::lang_start_internal::h1c66660c99c8424c
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/rt.rs:174:20
[INFO] [stdout]   29:     0x643fa43e2cc7 - std::rt::lang_start::hcdb31f4834f76b8c
[INFO] [stdout]   30:     0x643fa43e90c5 - main
[INFO] [stdout]   31:     0x7f71b72f5d90 - <unknown>
[INFO] [stdout]   32:     0x7f71b72f5e40 - __libc_start_main
[INFO] [stdout]   33:     0x643fa43e2425 - _start
[INFO] [stdout]   34:                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 2.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9afe78c6f64625157a8e900639402e57d762bf8ef054576743bcbdf63448e488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9afe78c6f64625157a8e900639402e57d762bf8ef054576743bcbdf63448e488", kill_on_drop: false }`
[INFO] [stdout] 9afe78c6f64625157a8e900639402e57d762bf8ef054576743bcbdf63448e488
