[INFO] fetching crate currant 0.2.8...
[INFO] testing currant-0.2.8 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate currant 0.2.8 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate currant 0.2.8 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32d3a27de2826d1dfd50cfd1b13a258bb6bd353e403c784e79e919833bf95303
[INFO] running `Command { std: "docker" "start" "-a" "32d3a27de2826d1dfd50cfd1b13a258bb6bd353e403c784e79e919833bf95303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32d3a27de2826d1dfd50cfd1b13a258bb6bd353e403c784e79e919833bf95303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d3a27de2826d1dfd50cfd1b13a258bb6bd353e403c784e79e919833bf95303", kill_on_drop: false }`
[INFO] [stdout] 32d3a27de2826d1dfd50cfd1b13a258bb6bd353e403c784e79e919833bf95303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05962868d9e69e195170c237103d1be8cb53d5d18e003344d8b9a3c4b50a614c
[INFO] running `Command { std: "docker" "start" "-a" "05962868d9e69e195170c237103d1be8cb53d5d18e003344d8b9a3c4b50a614c", 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 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 6.84s
[INFO] running `Command { std: "docker" "inspect" "05962868d9e69e195170c237103d1be8cb53d5d18e003344d8b9a3c4b50a614c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05962868d9e69e195170c237103d1be8cb53d5d18e003344d8b9a3c4b50a614c", kill_on_drop: false }`
[INFO] [stdout] 05962868d9e69e195170c237103d1be8cb53d5d18e003344d8b9a3c4b50a614c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86f5b9cbf932227505030d22e53df38f2f5bb10ff250bcc8850611af0885140b
[INFO] running `Command { std: "docker" "start" "-a" "86f5b9cbf932227505030d22e53df38f2f5bb10ff250bcc8850611af0885140b", kill_on_drop: false }`
[INFO] [stderr]    Compiling currant v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "86f5b9cbf932227505030d22e53df38f2f5bb10ff250bcc8850611af0885140b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f5b9cbf932227505030d22e53df38f2f5bb10ff250bcc8850611af0885140b", kill_on_drop: false }`
[INFO] [stdout] 86f5b9cbf932227505030d22e53df38f2f5bb10ff250bcc8850611af0885140b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdd571f297c510234d0b90da2637a1d655cc947bd99f2a1c6ed11c108febe80b
[INFO] running `Command { std: "docker" "start" "-a" "fdd571f297c510234d0b90da2637a1d655cc947bd99f2a1c6ed11c108febe80b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/currant-f327901d70121e34)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test color::tests::test_theta_to_rgb ... 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] 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 378 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] test test::command_empty ... ok
[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 14:45 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] 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] 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests currant
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Command::env (line 200) ... ok
[INFO] [stdout] test src/lib.rs - Command::from_string (line 166) ... ok
[INFO] [stdout] test src/lib.rs - Runner (line 350) ... 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/channel_api.rs - channel_api::ChannelCommand (line 8) ... 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] 
[INFO] [stdout] thread 'main' (268) 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:     0x63ace6d28782 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63ace6d28782 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63ace6d28782 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x63ace6d28782 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x63ace6d3b2ca - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x63ace6d3b2ca - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x63ace6d2d1d6 - std[3f03f8b59f91bef1]::io::default_write_fmt::<std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63ace6d2d1d6 - <std[3f03f8b59f91bef1]::sys::stdio::unix::Stderr as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x63ace6d0abff - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x63ace6d0abff - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x63ace6d233b1 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x63ace6d2356b - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x63ace6d0acb8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x63ace6cffdf9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x63ace6d0b65d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x63ace6d3b9dc - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x63ace6d3b752 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x63ace6c7c701 - rust_out[183646e59c86b0c5]::main
[INFO] [stdout]   18:     0x63ace6c7f0f3 - <fn() as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   19:     0x63ace6c7aad6 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   20:     0x63ace6c7bed9 - std[3f03f8b59f91bef1]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   21:     0x63ace6d22606 - <&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   22:     0x63ace6d22606 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   23:     0x63ace6d22606 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<i32, &dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   24:     0x63ace6d22606 - std[3f03f8b59f91bef1]::panic::catch_unwind::<&dyn core[585f66e14d78f9ba]::ops::function::Fn<(), Output = i32> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   25:     0x63ace6d22606 - std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:175:24
[INFO] [stdout]   26:     0x63ace6d22606 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x63ace6d22606 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<isize, std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x63ace6d22606 - std[3f03f8b59f91bef1]::panic::catch_unwind::<std[3f03f8b59f91bef1]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x63ace6d22606 - std[3f03f8b59f91bef1]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/rt.rs:171:5
[INFO] [stdout]   30:     0x63ace6c7a601 - std[3f03f8b59f91bef1]::rt::lang_start::<()>
[INFO] [stdout]   31:     0x63ace6c7f3c5 - main
[INFO] [stdout]   32:     0x77c8c8e861ca - <unknown>
[INFO] [stdout]   33:     0x77c8c8e8628b - __libc_start_main
[INFO] [stdout]   34:     0x63ace6c787b5 - _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 0.88s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fdd571f297c510234d0b90da2637a1d655cc947bd99f2a1c6ed11c108febe80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd571f297c510234d0b90da2637a1d655cc947bd99f2a1c6ed11c108febe80b", kill_on_drop: false }`
[INFO] [stdout] fdd571f297c510234d0b90da2637a1d655cc947bd99f2a1c6ed11c108febe80b
