[INFO] fetching crate control-flow 0.1.1...
[INFO] testing control-flow-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate control-flow 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate control-flow 0.1.1 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 crates.io crate control-flow 0.1.1
[INFO] finished tweaking crates.io crate control-flow 0.1.1
[INFO] tweaked toml for crates.io crate control-flow 0.1.1 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c35cd8f076e8c1f14294f06c8551f68e5f11485a52fdf920fa1fcf62d7ba40d4
[INFO] running `Command { std: "docker" "start" "-a" "c35cd8f076e8c1f14294f06c8551f68e5f11485a52fdf920fa1fcf62d7ba40d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c35cd8f076e8c1f14294f06c8551f68e5f11485a52fdf920fa1fcf62d7ba40d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35cd8f076e8c1f14294f06c8551f68e5f11485a52fdf920fa1fcf62d7ba40d4", kill_on_drop: false }`
[INFO] [stdout] c35cd8f076e8c1f14294f06c8551f68e5f11485a52fdf920fa1fcf62d7ba40d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3238d2db152636b3fbb4585ecbb55f9b255c1d2378c8b6ec974e63e14a7b17ff
[INFO] running `Command { std: "docker" "start" "-a" "3238d2db152636b3fbb4585ecbb55f9b255c1d2378c8b6ec974e63e14a7b17ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling control-flow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "3238d2db152636b3fbb4585ecbb55f9b255c1d2378c8b6ec974e63e14a7b17ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3238d2db152636b3fbb4585ecbb55f9b255c1d2378c8b6ec974e63e14a7b17ff", kill_on_drop: false }`
[INFO] [stdout] 3238d2db152636b3fbb4585ecbb55f9b255c1d2378c8b6ec974e63e14a7b17ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0018e4d349019e6c8d083a87e4cfec5ff01ddfbd6c1a60a96b3a45ea590ebfc1
[INFO] running `Command { std: "docker" "start" "-a" "0018e4d349019e6c8d083a87e4cfec5ff01ddfbd6c1a60a96b3a45ea590ebfc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling control-flow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0018e4d349019e6c8d083a87e4cfec5ff01ddfbd6c1a60a96b3a45ea590ebfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0018e4d349019e6c8d083a87e4cfec5ff01ddfbd6c1a60a96b3a45ea590ebfc1", kill_on_drop: false }`
[INFO] [stdout] 0018e4d349019e6c8d083a87e4cfec5ff01ddfbd6c1a60a96b3a45ea590ebfc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 821d766831f92653bba3ebbc8135a624c815be4ceb2ea5fa7ff08fe6678bcc71
[INFO] running `Command { std: "docker" "start" "-a" "821d766831f92653bba3ebbc8135a624c815be4ceb2ea5fa7ff08fe6678bcc71", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/control_flow-793743e59c998e24)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::direct_value ... ok
[INFO] [stdout] test tests::loop_break ... ok
[INFO] [stdout] test tests::loop_continue ... ok
[INFO] [stdout] test tests::return_early ... ok
[INFO] [stdout] test tests::store_ctrl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests control-flow
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate control_flow;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0468`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "821d766831f92653bba3ebbc8135a624c815be4ceb2ea5fa7ff08fe6678bcc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821d766831f92653bba3ebbc8135a624c815be4ceb2ea5fa7ff08fe6678bcc71", kill_on_drop: false }`
[INFO] [stdout] 821d766831f92653bba3ebbc8135a624c815be4ceb2ea5fa7ff08fe6678bcc71
[INFO] testing control-flow-0.1.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate control-flow 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate control-flow 0.1.1 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 crates.io crate control-flow 0.1.1
[INFO] finished tweaking crates.io crate control-flow 0.1.1
[INFO] tweaked toml for crates.io crate control-flow 0.1.1 written to /workspace/builds/worker-4-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] 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fd69bbf93bccc47b089289618d2e89d7fa7ae7a43a65fc2ab913217ca1e71e6b
[INFO] running `Command { std: "docker" "start" "-a" "fd69bbf93bccc47b089289618d2e89d7fa7ae7a43a65fc2ab913217ca1e71e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd69bbf93bccc47b089289618d2e89d7fa7ae7a43a65fc2ab913217ca1e71e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd69bbf93bccc47b089289618d2e89d7fa7ae7a43a65fc2ab913217ca1e71e6b", kill_on_drop: false }`
[INFO] [stdout] fd69bbf93bccc47b089289618d2e89d7fa7ae7a43a65fc2ab913217ca1e71e6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 631b06b715fc32099ceeafc98665fd2966785b9420cb1bd342392229c5bba1b0
[INFO] running `Command { std: "docker" "start" "-a" "631b06b715fc32099ceeafc98665fd2966785b9420cb1bd342392229c5bba1b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling control-flow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "631b06b715fc32099ceeafc98665fd2966785b9420cb1bd342392229c5bba1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631b06b715fc32099ceeafc98665fd2966785b9420cb1bd342392229c5bba1b0", kill_on_drop: false }`
[INFO] [stdout] 631b06b715fc32099ceeafc98665fd2966785b9420cb1bd342392229c5bba1b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 50fdfb9bcf12ddc8ac172157f8f2bce8ef200036fadd88aa2a8c34db7c733a61
[INFO] running `Command { std: "docker" "start" "-a" "50fdfb9bcf12ddc8ac172157f8f2bce8ef200036fadd88aa2a8c34db7c733a61", kill_on_drop: false }`
[INFO] [stderr]    Compiling control-flow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "50fdfb9bcf12ddc8ac172157f8f2bce8ef200036fadd88aa2a8c34db7c733a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50fdfb9bcf12ddc8ac172157f8f2bce8ef200036fadd88aa2a8c34db7c733a61", kill_on_drop: false }`
[INFO] [stdout] 50fdfb9bcf12ddc8ac172157f8f2bce8ef200036fadd88aa2a8c34db7c733a61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5f13e5327329e2184cad81336efc9bae943f99000323d888ce3b5c1ad7437183
[INFO] running `Command { std: "docker" "start" "-a" "5f13e5327329e2184cad81336efc9bae943f99000323d888ce3b5c1ad7437183", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/control_flow-c0703ae5080416a3)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::direct_value ... ok
[INFO] [stdout] test tests::loop_break ... ok
[INFO] [stdout] test tests::loop_continue ... ok
[INFO] [stdout] test tests::return_early ... ok
[INFO] [stdout] test tests::store_ctrl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests control-flow
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate control_flow;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0468`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5f13e5327329e2184cad81336efc9bae943f99000323d888ce3b5c1ad7437183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f13e5327329e2184cad81336efc9bae943f99000323d888ce3b5c1ad7437183", kill_on_drop: false }`
[INFO] [stdout] 5f13e5327329e2184cad81336efc9bae943f99000323d888ce3b5c1ad7437183
