[INFO] cloning repository https://github.com/busyboredom/rust-mnist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/busyboredom/rust-mnist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyboredom%2Frust-mnist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyboredom%2Frust-mnist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28495864d69136f72433c0021fc16d46c287ccdf
[INFO] testing busyboredom/rust-mnist against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyboredom%2Frust-mnist" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/busyboredom/rust-mnist on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/busyboredom/rust-mnist
[INFO] finished tweaking git repo https://github.com/busyboredom/rust-mnist
[INFO] tweaked toml for git repo https://github.com/busyboredom/rust-mnist written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 022f0cf77c79e593b3a0fa81c0189210f2f7fdaef91d0157fc1d94cb68be6b17
[INFO] running `Command { std: "docker" "start" "-a" "022f0cf77c79e593b3a0fa81c0189210f2f7fdaef91d0157fc1d94cb68be6b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "022f0cf77c79e593b3a0fa81c0189210f2f7fdaef91d0157fc1d94cb68be6b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022f0cf77c79e593b3a0fa81c0189210f2f7fdaef91d0157fc1d94cb68be6b17", kill_on_drop: false }`
[INFO] [stdout] 022f0cf77c79e593b3a0fa81c0189210f2f7fdaef91d0157fc1d94cb68be6b17
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcf4a5e8f19decc4db3b1e1091d5eecc6d153260e8bfd3660bbef326c5fbe3b5
[INFO] running `Command { std: "docker" "start" "-a" "dcf4a5e8f19decc4db3b1e1091d5eecc6d153260e8bfd3660bbef326c5fbe3b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rust-mnist v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "dcf4a5e8f19decc4db3b1e1091d5eecc6d153260e8bfd3660bbef326c5fbe3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf4a5e8f19decc4db3b1e1091d5eecc6d153260e8bfd3660bbef326c5fbe3b5", kill_on_drop: false }`
[INFO] [stdout] dcf4a5e8f19decc4db3b1e1091d5eecc6d153260e8bfd3660bbef326c5fbe3b5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a65299c084d10cb506bc62f77d600d17b7a6f7c3e0f687059f932c78d41ac3b4
[INFO] running `Command { std: "docker" "start" "-a" "a65299c084d10cb506bc62f77d600d17b7a6f7c3e0f687059f932c78d41ac3b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling syn v2.0.48
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[INFO] [stderr]    Compiling plotters v0.3.5
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling rust-mnist v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.38s
[INFO] running `Command { std: "docker" "inspect" "a65299c084d10cb506bc62f77d600d17b7a6f7c3e0f687059f932c78d41ac3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65299c084d10cb506bc62f77d600d17b7a6f7c3e0f687059f932c78d41ac3b4", kill_on_drop: false }`
[INFO] [stdout] a65299c084d10cb506bc62f77d600d17b7a6f7c3e0f687059f932c78d41ac3b4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9af6f5754a08416f4bb0435b0375a2e399b3c19ef6caaa62de6d946c043f88b6
[INFO] running `Command { std: "docker" "start" "-a" "9af6f5754a08416f4bb0435b0375a2e399b3c19ef6caaa62de6d946c043f88b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_mnist-70c8778623ea961e)
[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 rust-mnist
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - print_image (line 153) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - print_image (line 153) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:45:84:
[INFO] [stdout] Training data file "examples/MNIST_data/train-images-idx3-ubyte" not found; did you remember to download and extract it?: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f0e067a9b6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55f0e067a9b6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f0e067a9b6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55f0e067a9b6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55f0e0699870 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55f0e0699870 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55f0e0678e1f - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55f0e067a794 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55f0e067a794 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55f0e067bcf7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55f0e067ba59 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55f0e067c188 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55f0e067c062 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55f0e067aeb6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55f0e067bdc0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55f0e06530f5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55f0e0653563 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55f0e065be28 - core::result::Result<T,E>::expect::h9bcec3277fb12480
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1030:23
[INFO] [stdout]   18:     0x55f0e06575be - rust_mnist::Mnist::new::h1f5d4d4262b259e8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:45:26
[INFO] [stdout]   19:     0x55f0e0653c96 - rust_out::main::_doctest_main_src_lib_rs_153_0::h734fffa7912de88f
[INFO] [stdout]   20:     0x55f0e0653c66 - rust_out::main::h7d13ed1f0b74fb4f
[INFO] [stdout]   21:     0x55f0e0653973 - core::ops::function::FnOnce::call_once::h9310bc2590e31970
[INFO] [stdout]   22:     0x55f0e06538f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::haeb71db878654b8a
[INFO] [stdout]   23:     0x55f0e0653949 - std::rt::lang_start::{{closure}}::h3fc7e49d09688110
[INFO] [stdout]   24:     0x55f0e0676141 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x55f0e0676141 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   26:     0x55f0e0676141 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   27:     0x55f0e0676141 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   28:     0x55f0e0676141 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stdout]   29:     0x55f0e0676141 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x55f0e0676141 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x55f0e0676141 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55f0e0676141 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stdout]   33:     0x55f0e0653927 - std::rt::lang_start::hd109d716ba1a5b01
[INFO] [stdout]   34:     0x55f0e0653d45 - main
[INFO] [stdout]   35:     0x7f47a5587d90 - <unknown>
[INFO] [stdout]   36:     0x7f47a5587e40 - __libc_start_main
[INFO] [stdout]   37:     0x55f0e0653825 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - print_image (line 153)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9af6f5754a08416f4bb0435b0375a2e399b3c19ef6caaa62de6d946c043f88b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af6f5754a08416f4bb0435b0375a2e399b3c19ef6caaa62de6d946c043f88b6", kill_on_drop: false }`
[INFO] [stdout] 9af6f5754a08416f4bb0435b0375a2e399b3c19ef6caaa62de6d946c043f88b6
[INFO] testing busyboredom/rust-mnist against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyboredom%2Frust-mnist" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/busyboredom/rust-mnist on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/busyboredom/rust-mnist
[INFO] finished tweaking git repo https://github.com/busyboredom/rust-mnist
[INFO] tweaked toml for git repo https://github.com/busyboredom/rust-mnist written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebbfe8f3774f269bd0e60d2cd627729cbf34d426142de0d3d552a3bab0ce4d82
[INFO] running `Command { std: "docker" "start" "-a" "ebbfe8f3774f269bd0e60d2cd627729cbf34d426142de0d3d552a3bab0ce4d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebbfe8f3774f269bd0e60d2cd627729cbf34d426142de0d3d552a3bab0ce4d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbfe8f3774f269bd0e60d2cd627729cbf34d426142de0d3d552a3bab0ce4d82", kill_on_drop: false }`
[INFO] [stdout] ebbfe8f3774f269bd0e60d2cd627729cbf34d426142de0d3d552a3bab0ce4d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90b6abb963ab87da9c931edc383673bcea2d180a1f3c5e93a9f40b12cc120a0d
[INFO] running `Command { std: "docker" "start" "-a" "90b6abb963ab87da9c931edc383673bcea2d180a1f3c5e93a9f40b12cc120a0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rust-mnist v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "90b6abb963ab87da9c931edc383673bcea2d180a1f3c5e93a9f40b12cc120a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b6abb963ab87da9c931edc383673bcea2d180a1f3c5e93a9f40b12cc120a0d", kill_on_drop: false }`
[INFO] [stdout] 90b6abb963ab87da9c931edc383673bcea2d180a1f3c5e93a9f40b12cc120a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb246dfce56a5e511636c8a94301120ee9399391e1ae1ef230acceaf43c6499c
[INFO] running `Command { std: "docker" "start" "-a" "bb246dfce56a5e511636c8a94301120ee9399391e1ae1ef230acceaf43c6499c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling rust-mnist v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "bb246dfce56a5e511636c8a94301120ee9399391e1ae1ef230acceaf43c6499c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb246dfce56a5e511636c8a94301120ee9399391e1ae1ef230acceaf43c6499c", kill_on_drop: false }`
[INFO] [stdout] bb246dfce56a5e511636c8a94301120ee9399391e1ae1ef230acceaf43c6499c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 594a2c0eeba49b89d0483972a7165c74b50d85f222f420f78decae069f799cdb
[INFO] running `Command { std: "docker" "start" "-a" "594a2c0eeba49b89d0483972a7165c74b50d85f222f420f78decae069f799cdb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_mnist-f6c5d854944b1cc7)
[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 rust-mnist
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - print_image (line 153) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - print_image (line 153) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:45:84:
[INFO] [stdout] Training data file "examples/MNIST_data/train-images-idx3-ubyte" not found; did you remember to download and extract it?: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56072d9e8046 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56072d9e8046 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56072d9e8046 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56072d9e8046 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56072da06c50 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56072da06c50 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56072d9e62bf - std::io::Write::write_fmt::hc65183f01d14754a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56072d9e7e24 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56072d9e7e24 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56072d9e9387 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x56072d9e90e9 - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x56072d9e9818 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:781:13
[INFO] [stdout]   12:     0x56072d9e96f2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   13:     0x56072d9e8546 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x56072d9e9444 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   15:     0x56072d9c00f5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x56072d9c0563 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x56072d9c9498 - core::result::Result<T,E>::expect::h6ca0bebc04a32822
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1030:23
[INFO] [stdout]   18:     0x56072d9c456e - rust_mnist::Mnist::new::hb9668cf4ca10f4c0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:45:26
[INFO] [stdout]   19:     0x56072d9c0c36 - rust_out::main::_doctest_main_src_lib_rs_153_0::h4b1e740f67b36d7a
[INFO] [stdout]   20:     0x56072d9c0c06 - rust_out::main::hff4e5118cb484971
[INFO] [stdout]   21:     0x56072d9c0973 - core::ops::function::FnOnce::call_once::h07035dc3b47525ba
[INFO] [stdout]   22:     0x56072d9c08f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h27e28290e6a5ea6b
[INFO] [stdout]   23:     0x56072d9c0949 - std::rt::lang_start::{{closure}}::hc9e353f29d6b9183
[INFO] [stdout]   24:     0x56072d9e3541 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb70d08830a5ade10
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x56072d9e3541 - std::panicking::try::do_call::h22b4f7e5a6651b4a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   26:     0x56072d9e3541 - std::panicking::try::hc21d1712e01c2e20
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   27:     0x56072d9e3541 - std::panic::catch_unwind::h043dedc9b446785f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   28:     0x56072d9e3541 - std::rt::lang_start_internal::{{closure}}::hd5b437811c37f411
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:48
[INFO] [stdout]   29:     0x56072d9e3541 - std::panicking::try::do_call::hd87c54a927c7af49
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   30:     0x56072d9e3541 - std::panicking::try::hf94d97659ed75d92
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   31:     0x56072d9e3541 - std::panic::catch_unwind::h2ddd57de1d25402e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x56072d9e3541 - std::rt::lang_start_internal::h7fecc45801af5220
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:20
[INFO] [stdout]   33:     0x56072d9c0927 - std::rt::lang_start::h613ce2a20714e78a
[INFO] [stdout]   34:     0x56072d9c0ce5 - main
[INFO] [stdout]   35:     0x7f3f8af62d90 - <unknown>
[INFO] [stdout]   36:     0x7f3f8af62e40 - __libc_start_main
[INFO] [stdout]   37:     0x56072d9c0825 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - print_image (line 153)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "594a2c0eeba49b89d0483972a7165c74b50d85f222f420f78decae069f799cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594a2c0eeba49b89d0483972a7165c74b50d85f222f420f78decae069f799cdb", kill_on_drop: false }`
[INFO] [stdout] 594a2c0eeba49b89d0483972a7165c74b50d85f222f420f78decae069f799cdb
